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IDAX User's Manual

1. 70 366 Specimen capacitance above 71 367 Measured DC current gt 71 368 Measured hum current gt 71 Index 72 2009 Megger AB IDAX 3 1 1 1 1 1 1 1 1 1 1 IDAX Overview IDAX is an insulation diagnostic system for investigations analysis of dielectric materials normally insulators The measurement method used is dielectric spectroscopy i e measurement of the dielectric properties of the material as a function of the frequency and in some cases also as a function of the voltage By studying the dielectric material properties as functions of frequency it is possible to make a distinction between different types of phenomena For example it is possible to separate polarization loss from leakage currents The system applies a sinusoidal voltage with desired frequency over the sample This voltage will generate a current in the sample By accurately measuring the voltage and the current the sample impedance can be calculated Depending upon the actual sample model various parameters can be calculated from the impedance such as capacitance loss resistance etc This procedure can then be repeated at the specified fre
2. Megger INTERFACE IDAX 300 Insulation Gl Diagnostic Analyzer IDAX User s Manual PEWA Messtechnik GmbH Weidenweg 21 98239 Schwerte Tel 02304 96109 0 Fax 02304 96109 88 Kes 2 E Mail info pewa de Elektronik Homepage www pewa de 2009 Megger AB IDAX User s Manual Table of Contents Part oa fF OO N Part Il 1 2 Part Ill Foreword IDAX 3 Overview UPC 3 Instrument Pariels iure rud ores tag Ve qu a dU ANM 7 SOPtWare Installation ERO 9 Measurement TECHNIC UGC 9 Getting Started With IDAX C 12 IDAX SYSLCM CONTO cnc orar chu Dei undae ue Oc ec Ioa Ev Due DUET VDO WP 21 Results User Interface 25 Results Menus eni ordeo occa esha ete a ee 26 Test BROWSER ETE UT TETTE 63 IDAX Error Messages 66 347 Output voltage is not within specified 5 2 1 11 70 LE o ru 70 364 Measured capacitances don t TO 365 Specimen capacitance below
3. e Tw rs e pw In case of a three winding transformer the IDAX 300 second input channel is utilized standard the leads need to be moved between test 2 and test 3 between test 4 and test 5 If use IDAX 206 IDA 200 on a three winding transformer the leads need to be moved between every test If using IDAX 300 with two electrometers option the two set ups using same cable set up can be measured simultaneously e g test 1 and test 2 test 3 and test4 test 5 and test 6 Note that Test 6 CTH Energize T and measure H in many cases are replaced by CHT Energize H and Measure T e IDAX 300 UST 2 H lo T same cable set up as Test 1 and Test 2 e IDAX 206 CHT UST T L shorted to tank 1 5 2 During Measurement When the measurement has been started the measurement file icon changes to an icon corresponding to the data file 1 By pressing F4 on the keyboard Results window can be activated if not already active and the measurement progress can be viewed when selecting Graph tab The graph shows the dissipation factor for the Test Capacitor in the frequency range 0 1 1000 Hz 2009 Megger AB 18 IDAX User s Manual 3 Inl xJ Fie Edit Diagram Yew Soren Help 4 T Test 2002 10 17 Getting Started NC12 UST m Capacilo Measurement Data Graph Table 50Hz Data 8 CJ Transformer IICTO GS
4. 1 Amplitude HS CAL 1 Contig UST 1 Frequency 0 021544 O 0099999 Comma as a decimal separator 0 0055 781 O 0030685 0 002619 0 002460 0 002467 0 002829 0 0032596 0 0046769 0 008724 0 017233 0 035673 0 075152 0 15946 D 32781 0 62519 1 0359 0 99901 140 s RMS 1 Tan Deta O 0035 751 0 003065 O 0026 715 0 002460 00024573 00 0026297 0 0032596 0 0045769 0 008 34 0 017233 0 035673 0 075152 0 15946 0 32701 0 63515 1 0359 0 92931 9455 9 9538 9 962 9 9703 9 9737 9 9767 9 9049 9 9991 9 9955 9 9991 9 T OO43E 9 7 342 9 T 1145E 9 338 B Lns7E 8 3 946E 9 1 FOFE 3 455 9538 9 962 9 9703 9 6 9r3rE 9 6 976rE 9 6 9349E 9 6 9691 E 9 6 9935E 9 6 9991 E 9 7 OO4SE 9 T 0342E 9 7 1145 9 Paso E 9 o 0057E 9 3 946E 9 1 T r E 8 2009 Megger AB Results User Interface 0 0035781 0 0030685 0 0026715 0 0024607 0 0024573 0 0026297 0 0032596 0 0045769 B B455E 8 B 9538E 9 B 362E 9 B a7 3E 8 B a737E 8 6 9767E 9 B 9849E 9 69891 6 9 41 0 008724 8235 9 0 017233 99 1 9 0 035673 7 D043E 8 0 075152 7 0342E 9 0 15846 7 1148E 9 0 32781 7 33B7E 8 0 63518 8 0057 9 1 0359 4 94 9 0 0099999 0 98981 1 7707E 8 2 1 1 10 5 File Export Measurement Templates Measurement Templates can be exported to a selected location on the I
5. 2 2 2 Measurement Templates Measurement Templates are templates which are recommended to use when performing various measurements on power and distribution transformers bushings and cables The form view of Measurement Template is pre specified however can be modified to satisfy different requirements For information about the commands in the IDAX C file see the Commands and Variable Reference in the program help file or included pdf manual In all Measurement Templates it is provided that user can choose to perform either 1 frequency sweep down to a specified stop frequency or 2 measurement only at power frequency 50 or 60 Hz This last option is not available for XLPE cable measurements and in limited extent in general measurement plans Two winding transformer Available Measurement Templates are 2W CH measurement of insulation between high voltage winding and ground 2W CHL measurement of insulation between high and low voltage windings 2W CL measurement of insulation between low voltage winding and ground Three winding transformer Available Measurement Templates are 3W CH measurement of insulation between high voltage winding and ground 3W CHL measurement of insulation between high and low voltage windings 3W CHT measurement of insulation between high voltage and tertiary winding 3W CLT measurement of insulation between low voltage and tertiary winding 3W CL measurement of insulation between lo
6. Measurement Sequence can be edited using also Text view mode The changes made here will however be unique for the given Measurement Sequence only Permanent changes must be made in Object Template s Results File Edit Diagram View COnHIBUrSHen gt ca iei Dli ga 5 i IModel Transformer 2002 10 21 Test Measurement pm Graph Table 5Hz Data Capacitor E Measurement information tl Airtemp CY Air Weg a 7 2002 10 2 p 22 _ Test capacitor App temp C 22 Measurement made by Information Measurement Template 1 Selected Measurement Template is associated with an object Displays the appearance of Measurement Plan for specific conditions see also Measurement Templates and given object Measurement Template s can be edited using also Text view mode The changes made here will however be unique for the given object only Permanent changes must be made in Measurement Template s 2009 Megger AB Results User Interface 53 Results Fie Edit Diagram View Configuration Help d il m Biss 4 Model Transformer 2wW CH C Test Measurement Template Graph Table 50Hz Data 171 lT est Capacitor 3 EMEN Winding Transformer Zw CHL UTE 5 ded 140 V RMS Stop req 041 Hz Only 50 t r C1 H1 L1 H2 T C1 Follow local
7. 3 Connect Current 1 and Sense 1 to the top capacitance connector 4 Remove possible ground connections from somewhere 5 Turn on the output switch activate the output and then start the measurement 6 Wait until measurement is finished or abort earlier by stopping the measurement Grounded Specimen Test GST Measurement Results File Edit Diagram View Configuration Help Li 122 6 1 Test Capacitor 2008 06 30 Test HET ck Test pU Flan Graph T able FOH Data i II Test Capacitor 2002 10 16 Frequency Sy Capacitance CT 0 2002 10 16 Power Frequer 2008 06 30 Test Capacitor zz ae 11 GS T Guard U 40 5 Stop freq 0 1 Hz cb C12 UST jg 12 C10 10 12 eS 1 20 GST Guard Follow local safety regulations HL IMadel Transformer Make sure that both preparation procedures described E Lonnectthe generator output to the upper capacitance c Connect Current and Sense 1 to the lower capacitance Remove possible ground connections from the connect an the output switch activate the output and then stal Walt until measurement is finished or abort earlier by stoj zi 2009 Megger AB 16 IDAX User s Manual OUTPUT CE Generator Input 2 1 C AD I i Max 300 V In Test Browser select Measurement Plan file C70 GST Guard carefully read and follow the instructions Alternatively follow
8. Data E C3 Tegi FETE TEESE TEESE TRESS TET SETS TEST RESETS ESET ETS STR TSE TET SESE TSE TS oA imera Boso ntt um emer ccn ms M HCI C10 10 12 Te i I i ff IC20 GST Guard E p Configuration Hum 50Hz Dffset Capacitance B By a UST 0 0035 1 0 0061 n 4826 pF ml GST Guard 0 019 wh 10007 pF da CT UST GST Ground 2 14833 pF C12 SF pb 712 C10 CT0 C12 140 V 5 C20 GST Guard 1 Frequency Tan Delta 0 013886 0 012491 0 011022 Results vi l PES L f Test 2002 10 17 Getting Started 2 UST CI Ten Capac HOJ Madel Transformer 2 7 Tes Sweep V RMS Curent mA Power W lt Tand Cay fry CTO GST Guard fr C10 1 12 C12 140 0 2128 D 00026502 08339 483 fry 20 GST Guard 10 kV equivalent 15 2 1 277 08394 483 Ay 2002 10 17 Getting Started pb C10 85 T uard ded C12 UST C12 5nF pb 712 C10 CT0 C12 C20 G5T Guard 1 5 4 Selecting Models 1 Select Configuration Models in Results window and all available models will be presented as shown below In this picture both the Dielectric and C PF Tan delta models are ticked Select the desired models and click OK 2009 Megger AB IDAX 21 A x k ateria ro LOS d Used if no CO ii S d Seated Rectangular C FF Tan Del
9. 19 1 5 3 Presenting Results By default the measurement data is presented using a model defined in the measurement plan However additional models can be added while inspecting the results see Selecting Models for details Depending on which parameters are of interest to the user the measurement data can be presented using different models E g in the tans model the dissipation and or power factor as well as capacitance can be displayed in the graph as a function of frequency See also how to select models in sections Configuration Models and Sample Modelling The results can be viewed using three additional tabs Graph Table and 50 60 Hz data as shown in pictures below Graph tab is active 3j iix i mu Test 2002 10 17 Getting Started IC12 UST z 271 Test Capaciloi Measurement Data Graph Table 50Hz Data 271 Moda Transformer eT EHC Test ine 0 zz rh 10 GST Guard Miri fr icta CIO 10 12 IC20 G5 T Guard E 7 2002 10 17 Getting Started GST Guard adi 2 By C12 UST C12 5eF ZEE fey 012 C10 1 12 E IC20 GST Guard 2009 Megger AB 20 IDAX User s Manual Table tab is active arla el ma 98 j f Test 2002 10 17 Getting Started 12 UST Fy HTest H C3 Transformer 4 Data id
10. 408 409 410 411 412 413 Message No Sweep No points in sweep Wrong model Wrong parameter Printer error Illegal value for x min Illegal value for y min Error y max is less than Vm Error x max is less than x min Error Table not exported No information to show Cannot read from floppy Cannot read from drive Explanation high The desired frequency is out of the specified limits Possible typing error in the C file The specified parameter was not found in the sample cable No cable data was found The specified parameter was not found in the Termination Box No Termination Box data were found The applied voltage differs from the desired Not possible to perform InitMeasureZ measurement This message is followed by one of 340 342 High Voltage amplifier not selected Overload in Electrometer instrument during a measurement Measurement point is probably inaccurate Message also written in point property Problem accessing instrument backplane Syntax error in Calibration or Self test files Syntax error in Calibration or Selftest files Syntax error in Calibration or Selftest files An overvoltage occurred Disagreement between values of capacitance measured for different configurations Measured capacitance below specified limit Measured capacitance above specified limit Measured DC current exceeds limits set by MaxDCCurrent variable Measured interference hum
11. T Guard 412 10 042 SELLE ECRIRE T5 IC 20 GST Guard Y ERE AIT Lal RR EUR ES Tr 7 2002 10 17 Getting Started 1r Tim a FIERI C10 ST Guard E By C12 UST C12 5nF p 1712 C10 10 12 GST Guard zr r aei apa oe ee i i bob b Pb ode b i i i bibi NHRA STERENN Rp R a reat Gira i EL Frequency Hz Properties C PF Complex C ml C mil ic PR Off tng 2 By pressing F5 on the keyboard an oscilloscope will be displayed on the screen The Ch 0 red signal in the oscilloscope displays the applied voltage over the sample Ch 1 white is the output voltage from the first electrometer and Ch 2 blue is the output voltage from the second electrometer The output voltage from the electrometer is a function of the current through the sample ChD HUY CHT Ih 0 00051 2s div gt 40 00 V div gt 2 00 V div v Auto 3 The instrument stops automatically after the last measurement point is completed however the measurement can be interrupted earlier by a stop command You can press stop button or on the IDAX 206 the OUTPUT OFF button On the IDAX 206 a lit green READY LED on the front panel indicates that the measurement is stopped or finished 2009 Megger AB IDAX
12. Templates Object Templates Export selected Object Templates 2 1 1 10 1 File Export IDA Zip File Short cut keys Ctrl Alt E Export of the data in an archived izf format By exporting data into an IDA Zip File the data structure is preserved It is possible to export e individual measurements Object and Measurement Sequence information are included e Measurement Sequences Object information and all measurements in this sequence are included e Objects all Measurement Sequences with respective measurements are included 2 1 1 10 2 File Export Data Short cut keys The Export command invokes export dialog with two different file type options export to a file as a graph or the measurement points e WMF Windows metafile e TXT Tab delimited format If the measurement data is exported as a TXT file one can also select appropriate Format and Decimal separator The Format option allows user to remove the header of the file which makes it easier to import the data into another program Decimal numbers are written in the file using chosen Decimal separator option point or comma 2009 Megger AB Results User Interface 39 Save In Frogram Fax Diagnostics Calibration Help Images Decimal separator Point Comma Format with header File name Testindttt 7 Save as type Text Files Tab Delimited 818 Include D File
13. Title Change background color Toggles ON OFF the graph title 2 1 5 2 2 Configuration Graph Axis The Axis command invokes the axis dialog window This window allows the names scales grid prefixes etc on the axes to be modified The dialog is divided into three parts Title X axis Y axis Tile Y axis Label v Auto Unit dv Auto 1122 Log Guid C None C Small Scale 3x 0 9913 M Autoscale Scientific v Full 4 Precision Za 2 1 5 2 2 1 Autoscale Autoscale automatically sets the scale so that all active curves are displayed in the graph Note Negative values are not possible to display in logarithmic scale 25222 Grid For grid settings three options are available None no grid is shown Small also called tics Only an indication at the axis no lines in the graph Full all lines are displayed in the graph 2009 Megger AB Results User Interface Tile Y axis Label Min Unit amm Mag 0 8913 Lag M Autoscale bid gt C None Prefix C Small Scientific Full 4 Precision zs Exi 2 1 5 2 2 3 Label Allows user to enter a label text for both X and Y axis 2 1 5 2 2 4 Log Lin Makes it possible to change between logarithmic and linear scale for the X and or Y axis Note Negative va
14. a Self test could not be created The Data type specified does not exist Displayed when IDAX is not properly set up in order to perform a measurement Usually accompanied by a more detailed message Problem accessing Windows Registry Explanation Variable is expected to be complex number in X Yi format Wrong type has been assigned to variable Incorrect command Most likely a typing error Type must be specified before data field Example R Category must be specified before data field Example Cat Wrong variable in category Cat has been used Indicates the number of line in C file where error was detected VoltageSource has to be of a defined type Most likely a typing error Check boxes can have only Boolean values Parameter values must be of the same type as in the parameter declaration Parameter values must be of the same type as in the parameter declaration Parameter values must be of the same type as in the parameter declaration Data type must be of a defined type Most likely a typing error Too few or too many arguments in a variable Undefined error in the syntax Usually accompanied by additional information There must be at least two buttons in a radio group The function is assigned to a value that does not match any radio button Most likely a typing error Parameter values have to be of the same type as in the parameter declaration Image is not a bmp file or the
15. file is corrupted new variables must be declared with a New function AmplitudeScale must be assigned See User s Manual for options VoltageSource must be assigned See User s Manual for options FileType must be assigned See User s Manual for options SpecVersion must be assigned See User s Manual for options 2009 Megger AB 68 IDAX User s Manual No 227 228 229 Message DraftSpecVersion not assigned Configuration not assigned Value not assigned Explanation DraftSpecVersion must be assigned See User s Manual for options Configuration must be assigned if using a Termination Box with relays See User s Manual for options If cat P is assigned the field can not be left blank Errors related to IDAX 206 system and measurement settings No 301 302 303 JUG 21 22 222 314 212 25 314 2 15 21 320 321 222 242 324 222 327 249 330 21 222 D 334 22 340 341 Message Wrong argument in LinSweep function Wrong argument in LogSweep function Settings could not be Saved No DSP device name Could not open DSP No geometric capacitance Error initializing DSP DSP not present or inactive Neither the file LastC icf nor specified file could be found Unknown C File command Wrong number of arguments No Amplitude No Frequency No measurement to comment No current measurement DSP var
16. ies Moreover it is possible to export also the measurement file itself by checking checkbox Include D File which may be favourable when exporting to floppy disk 2 1 1 10 3 Header Export with header kkxkXxXEddikkkXiXdfikxkkXiqdgk ikikkkXkidtfirkkkXkigdgkttikkkxidgtfikxkkXiqdgktfkikkkiidtikkkikiqdgkttirkkkidgtikkkiidgitkkxkii DADS 200 hjectData Demo transformer 2002 08 01 test 1Tveo winding transformer idf 11111 HERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERREREREREE 1 Amplitude 140 RMS 1 CHL 1 Contig UST 1 Frequency 1 Tan Delta O 0099999 O 0035 751 0 003065 O 0026 719 0 002460 00024573 00 0026297 L S 2885 O 0046769 0 008 34 0 017233 O 0356 7s 0 075152 0 15946 0 32701 0 63515 1 0359 0 99901 9455 9 9538 9 62 9 9703 9 9737 9 4 6 9935E 9 6 9991 E 9 7 4 9 r 342 9 7 1145 9 338 a 00SrE 9 3 946E 9 1 2009 Megger 40 IDAX User s Manual Export without header 0 021544 O 0099999 2 1 1 10 4 Point Comma Point as a decimal separator HERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERREREREREE DADA 200 bjectData Demo trangsformerv2002 D8 01 test 1 1veo winding transformer idf 11111 HERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERRERERERREREREREE
17. mains outlet protective ground and the test object protective ground then additional measures described in local safety standards should be applied to ensure personal safety The measurement system can generate hazardous and even lethal voltages Do not attempt to service the IDAX yourself as opening or removing covers may expose you to dangerous voltage Do not use any accessories that are not intended for use together with the IDAX Unplug the IDAX from the mains supply when it is left unattended or not in use Before cleaning unplug the IDAX from the mains supply Use a damp cloth for cleaning Do not use liquid or aerosol cleaners Caution Make sure that the mains voltage selected on the selector switch located on the back panel corresponds to the voltage level before connecting the mains Refer all servicing to qualified service personnel If you need to return your IDAX please use either the original crate or one of equivalent strength 2009 Megger AB IDAX 7 1 2 Instrument Panels 1 2 1 IDAX 300 Front Panel Overview OUTPUT m o o Generator TEST INTERFACE EXTERNAL FN FFEN 9 ers Input 2 Max 300 V Power a Power ON OFF switch Turns unit on and off b Mains connector For connecting to mains outlet Fuse a Use small screwdriver to gently pry out to change the fuse F1 2A slow blow Interface d USB Port for connecting computer INTERFACE e ETHERNE
18. not in Text View mode the Print command is inactive 2 1 1 12 File Report Shortcut keys Ctrl Alt P This command invokes a dialog window where two report generators are available Report Generator Description List amp Label Create report using special set of drivers only option available when creating report on IDAX MS Word Create Report using features Microsoft Word text editor Requires MS Word application installed on computer 2 1 1 12 1 List amp Label Report List amp Label is a set of special drivers provided for designing viewing and printing reports When invoking List amp Label report generator a dialog window allows for choosing between various options as shown in the picture below If there are already prepared report file s they will be listed in the left side of the dialog window and can be selected to work with Report Templates IIT est Capacitor Braph lst IIT est Capacitor FF D ata lst Bushings Graph lst Bushings Data lst Add report FILC Cable Graph let FILC Cable PF Data let Delete Transformer bushings Braph Ist Transformer bushings PF D ata Ist i Transformer bushings extended Grap Modity Transformer bushings extended FF D Preview Print New report file Llose 2009 Megger AB 44 IDAX User s Manual Menu functions New report file Add report Delete Modify Preview Print Close 2 1 1 1
19. principle is given in this section How impedance is measured Gives basic principle of IDAX operation Sample modeling Describes theoretical models used for presenting measurement results 1 4 1 How Impedance is Measured IDAX measures impedance By measuring the impedance at one point i e at a specific frequency and amplitude parameters such as resistance capacitance and loss can be calculated The impedance of a sample is measured by applying a voltage across the sample This voltage will generate a current through the sample By accurately measuring the voltage and the current the impedance can be calculated see illustration below Computer with DSP board Voltage source Control voltage Fig 1 Measurement of electrical impedance The impedance is calculated using Ohm s law U 2 where Z U and I are complex entities The voltage and the current is generated by a voltage source There are currently two internal voltage sources available in the IDAX system which can deliver a maximum peak output of 10 Vpeak and 200 Vpeak respectively The voltage is measured by means of a voltmeter and 2009 Megger AB 10 IDAX User s Manual the current is measured by an ammeter or electrometer which acts as a current to voltage converter The analogue signals voltages are then converted to digital samples of the signals that are used in subsequent calculations 1 4 2 Sample Modelling
20. settings in the axis settings however remain unchanged 2 1 4 Results View Menu 2 1 4 1 2 1 4 2 2 1 4 3 2 1 4 4 2 1 4 5 Menu Command Description Browser Show Hide Test Browser Browse Object Tree Allow to select which items are displayed Test Browser Browse Measurement Templates Show only Measurement Templates Browse Object Templates Show only Object Templates Information Display information about Object Measurement Sequence Measurement Plan etc Graph Show graphical representation of measurements Table Show table view of the measurement results 50 60 Hz Data Present the values at power frequency Text View Open Measurement Plan or Template programming commands for its interface and measurement settings for review and editing Show Measurement Templates Show Hide Measurement Templates View Browser Toggles between hide and show Test Browser It may be convenient to hide it in order to maximise the area for graphical output as well as for table and when editing measurement plans View Browse Object Tree Displays all objects inclusive associated Measurement Templates Measurement Sequences Measurement Plans C files and measurement data files D files View Browse Measurement Templates Displays all available Measurement Templates and it is possible to edit any of them as well as create new ones View Browse ObjectTemplates Displays all available Object Templates and it is possible to edi
21. signal from the DSP In the manual mode the time base is set by the Time div slide bar The time above the slide bar refers to the time per division the full oscilloscope window width consists of ten divisions Roll The Roll check box can be used for slow signals that the oscilloscope may otherwise have difficulties to accurately lock Vertical control The gain of the input channels can be adjusted with the two vertical slide bars next to the Grid check box at the oscilloscope window The voltage range is displayed beside the ChO and Ch1 check boxes The offset of the displayed signals can be adjusted by placing the mouse pointer inside the oscilloscope window and dragging it up and down while holding the mouse button Grid The Grid check box displays or hides the grid 1 6 4 Changing Language The language in which IDAX user interface IDAX software is displayed can be changed The following languages are available English Swedish German French Spanish Language is changed selecting menu Configuration Change Language in IDAX System Control which opens a file opening dialog The selected language file Ing is loaded and it will be used after restarting the IDAX program Each language has its own language file Ing and all language files are located in the directory D VDA Language files 2009 Megger AB 24 IDAX User s Manual In addition to IDAX interface language the language of Measu
22. template or Measurement Plan 2 1 1 7 File Save As 1 Select template which is to be saved under new name 2 Invoke Save As dialog from menu File Save As 2009 Megger AB Results User Interface 33 3 Enter new name for the template and press OK Save File name new object obj Note Templates under Measurement Templates directory 2 1 1 8 File Load D file Shortcut keys Ctrl L The Object Templates are saved in Object Templates directory and Measurement This command allows for temporary loading of single measurement files D files During loading a Temporary Object and Temporary Sequence are created as shown in picture below subsequent data files are opened under the same Temporary Sequence File Diagram Yew Configuration islas wi raf gt IMadel Transformer Mew M a E Sequence 2 88 000190 200 V Peak 200 V Peak ey 147 200 V Peak Properties 3 ojx Imp pum oor EEE HE Hi E POMS Hee TH E rne TESH 4 9 m EU ME CF El EX ul ded a SR kd 5 tzet i 1 3 Hn 3 ESEE i z r beai mema ii Hl rete TIIT 8 13 ria hee m ii res T
23. the instructions below 1 Make sure that preparation procedures have been followed see also Ungrounded Specimen Test UST Measurement 2 Connect the generator output to the upper capacitance connector 3 Connect Current 1 and Sense 1 to the lower capacitance connector 4 Remove possible ground connections from the connection pins 5 Turn on the output switch activate the output and then start the measurement 6 Wait until measurement is finished or abort earlier by stopping the measurement 1 5 1 2 Comparing 1 ch IDAX 206 and 2 ch IDAX 300 IDAX 300 two winding transformer Test no Measure Configuration Energize Channel 1 Channel 2 Gen Yellow IDAX 206 two winding transformer Test no Measure Configuration Energize Channel 1 Hi Red Lo Blue CH GST Guard gu ur Jj z IDAX 300 three winding transformer 2009 Megger AB IDAX 17 GST Guard 1 2 H UST 1 Gen Red blue Yellow UST 2 GST Guard 1 2 UST 1 C e Tu s IDAX 206 three winding transformer Test no Measure Configuratio Energize Channel 1 n Hi Red Lo Blue GST Guard H L T shorted to L T shorted to tank GST Guard T shorted to H U GST Guard L shorted to H L shorted to tank In case of a two winding transformer the set up of IDAX 206 IDA 200 and IDAX 300 are very similar the leads need to be moved between test 2 and test 3 s
24. the list of available reports Delete Delete the selected report file Modify Modify in selected report file can be done It means that the layout appearance etc can be changed Compile Preview selected report file with the users data Printing is done using MS Word print options Close Close Report dialog 2009 Megger AB Results User Interface 45 2 1 1 13 File Send to Shortcut keys Ctrl D In addition to different data export options the measurement data file D file can be sent to other programs directly for further analysis For this purpose Results are configured by providing search path to the external program The configuration is made from menu Configuration Program where the appropriate executable file is selected in dialog box File location C Program Filez MODS MODS exe Browse X cos Now the data file loaded into Results can be sent to the chosen external program from File Send to as shown below If the configuration step has been omitted the dialog shown above appears and user is prompted to enter the search path at this stage R Results File Edit Diagram View A Help New 51179 T Demo AddiRemave Templates Measurement D ata Graph en Measurement lose Measurement emake Measurement Sl a Hem mj Save EIE EH T I lt Save aor Load D File Import Export Print Re
25. using different parameters i e loss tangent power factor PF capacitance C and others see also Configuration Models 2 inj xi Bie ES Dran gee Dep Eum Er gl js didara ia ih m m pm ave ere Ac wT P OF tang By clicking right mouse button on a measurement point the properties of this point are shown in Properties box in left lower corner of Results window 2009 Megger AB Results User Interface 55 ADS HEEL 52 AE Tei oe LI 1s d LI ut El TOP ET OE orla Tu UE Re M VE gece eee eee Mouse Pointer frequency hz Right click and get the Properties of the 0 00021 S4he 0 001262 9 250mref Peak point closest to the Mouse Pointer in the Property box 2 1 4 7 View Table Shortcut keys Ctrl T Ongoing measurement and or previously made and opened measurements are displayed in a text mode In addition to measured values loss tangent power factor PF capacitance C and others in Table mode also hum current DC offset and object s capacitance are shown for specified configurations Results gl Diagram Yew Configuration Help LT Model Transformer 2102 10 15 Frequency Sweeps 2W CHL Measurement Data Graph Table 2 Data PIUTHPEAPPSPIPEPPUPTUIOHEENLFELIEUAUHRP
26. using the mains switch POWER on the front panel The IDAX performs a self test and start up procedure 3 Activate the Results window if not active after start up 4 In Results create new object selecting Object from menu File New Click Browse and select Test Capacitor obj template and enter arbitrary name as Object Name for example Test and click OK 5 By default all measurement templates listed as Associated Measurement Templates will be available for performing the measurements It is possible to deselect one or more measurement templates from Associated Measurement Templates As shown in picture below four Measurement Templates 70 GST Guard C12 UST 12 C10 10 12 and C20 GST Guard are associated with the object Test for IDAX 206 similar procedure as IDAX 300 6 Fill in available fields with relevant information 7 Create new measurement sequence selecting Measurement Sequence from menu File New Arbitrary name can be entered as Measurement Sequence for example Getting Started and press OK New measurement sequence with corresponding Measurement Plan files will appear in Test Browser 2009 Megger AB 14 IDAX User s Manual 8 Fill in available fields with relevant information 1 5 1 1 Test Sequence for IDAX 300 This is Getting Started test sequence when using IDAX 300 The specimen to be measured using the built in capacitance box built into the system that terminate
27. voltage and current Therefore the IDAX system should mainly be calibrated with voltage and current standards Calibration of the IDAX 206 system is performed using an external calibration box containing voltage current and impedance references The system can be calibrated against the calibration box every year or every 6 months On the other hand if the system is used and stored outside certain temperature moisture limits more frequent calibration is recommended The system may also require more frequent calibration to compensate for exposure to temperature gradients during measurement work or if the calibration temperature differs too much from the ambient temperature Moreover one may recommend more frequent calibration if tighter accuracy specifications are to be met Using the external calibration box for calibration of the system makes it possible to always have a calibrated system which eliminates the need to send the whole system away for calibration The only thing that needs to be sent away is the external calibration box It is recommended to calibrate the box every two years 1 6 8 Calibration Procedure IDAX 300 It is recommended to calibrate the IDAX 300 at least once a year There are two options regarding calibration of IDAX 300 The IDAX unit can be sent to Pax for calibration Calibration can be performed by the customer using the optional Calibration Set The second option means that the IDAX instrument is available si
28. 2 2 MS Word Report Description Create new report file See also separate manual for List amp Label Add a report to the list of available reports Delete the selected report file Modify in selected report file can be done It means that the layout appearance etc can be changed See separate manual for List amp Label Preview selected report file with the users data Print the report according to previously designed layout from selected report file for example Two winding transformer bushings Ist Close Report dialog MS Word report generator allows for designing viewing and printing reports using Microsoft Word features When invoking MS Word report generator a dialog window allows for choosing between various options as shown in the picture below If there are already prepared report file s they will be listed in the left side of the dialog window and can be selected to work with zix Report Templates IIT est Capacitor Graph dac New report file II Test Capacitor FF Data doc Bushings Graph dac Bushings Data doc FILC Cable Graph doc FILC Cable PF Data doc Transformer bushings Graph dac Add report Delete Transformer bushings PF Data dac Transformer bushings extended sii Compile Transformer bushings extended D Menu functions Description New report file Create new report file using MS Word Add report Add a report to
29. ASEA 1471DF Ti 4_1 idf 5 Select measurement s to be imported By default all measurements located in given directory are imported Deselect those which not to import by unchecking appropriate check boxes 2009 Megger AB 36 IDAX User s Manual Import Files fram Directory cs emp Browse Import Files Into Object Measurement Sequence New Transformer 2002 1 0 17 New Sequence Import Files 000790 idf ASEA 147 1DF T1241 id 6 Press OK button and the measurement will appear in the Test Browser File Edit Diagram View Configuration Help Test Capacitor Object Graph AE IModel Transformer Transformer 2 1 1 9 3 File Import Measurement Templates Measurement Templates can be imported from a selected location on the IDAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Import Measurement Templates 1 Choose directory where template s to be imported are located by typing in the path manually or using Browse button 2 Select template s to be imported from available templates in the left hand side 2009 Megger AB Results User Interface Add Remove Templates CAT emp Browse Avalble Templates Selected Templates tM ew measurement template ict Add gt Lx Remove wu X Cancel 3 Press Add button or double click by left mouse bu
30. DAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Export Measurement Templates 1 Select templates to be exported side from available templates in the left hand 2 Press Add button or double click by left mouse button 3 Choose destination directory typing in the path or using Browse button 4 Press OK button 4dd Remove Templates Selected Director emp Browse Selected Templates Avalble Templates HOSO L1 icf H1 CT icf H2 L1 icf H3 ET ict Three bushing 214 Three bushings ict Three bushings2 ict Two winding three bushings T wa winding transformer 4 ict two winding transformer 1 T wo winding transformer ict winding transformer icf Bushing ict GettingStarted ict Add gt Remove To remove a template 1 Select it from the right hand side from selected templates 2 Press Remove button or double click by left mouse button 2009 Megger AB 42 IDAX User s Manual 2 1 1 10 6 File Export ObjectTemplates Object Templates can be exported to a selected location on the IDAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Export Object Templates 1 Select templates to be exported side from available templates in the left hand 2 Press Add button or double click by left mouse button 3 Choose dest
31. Delta Kelvin Celsius Fahrenheit Radians Degrees Selected models appear at the bottom of Results window where one can choose which parameters are to be shown Below the Dielectric and C PF Tan Delta models are chosen to be used in Results and as a parameter is displayed the graph Impedance models The following impedance models and their parameters are available 2009 Megger AB Results User Interface 63 Die lectrie E E tan start value for Az 0 92 Restive Parallel Complex C start value for Ac 0 9c Re Z Im Z Tand C tan PF 2 1 7 Results Help Menu Menu command Description Contents Show content of all IDAX Help Results Help Display help for Results only What s this Pop up help for unclear fields or menu 2 1 7 1 Help Contents IDAX Help contents displays available Help topic Topic Description IDAX Overview of IDAX operating principle and functions Results User Interface Preparation of measurements and presentation of results Command and Variable Reference Reference of programming directives IDAX Error Messages Error messages generated by IDAX and possible countermeasures 2 2 Test Browser Test Browser is located at the left hand side of the Results window and it works similarly to Microsoft Windows Explorer The main purpose of the Test Browser is to facilitate navigation between alread
32. GST Guard 1 UST 1 2 GST Calibration box allows field calibration recommended interval 2 years 90 265 V ac 50 60 Hz 250 VA USB 2 0 and LAN 4 9 kg 11 Ibs 9 9 kg 22 Ibs 8 5 kg 18 lbs soft bag 335 x 300 x 99 mm 17 7 x 6 3 x 16 1 in 520 x 430 x 220 mm 20 5 x 17 x 8 7 in 0 C to 50 C 32 F to 122 F 40 C to 70 40 F to 158 F 20 95 RH non condensing IEC61010 LVD EN61326 EMC Windows 2000 XP Vista Pentium 500 MHz 512 Mb or better USB 2 0 2009 Megger AB IDAX 1 1 22 System and Accessories 1 1 2 1 IDAX 300 System and Accessories IDAX 300 Transport case Cables 2009 Megger AB IDAX User s Manual 1 1 3 Safety Precautions A Warning statement denotes hazardous conditions and actions that can cause bodily harm or death A Caution statement denotes conditions and actions that can damage the IDAX or the equipment being tested Warning Always follow local safety regulations when working on high voltage equipment Make certain all personnel working with IDAX have been trained in its correct use and that all applicable safety precautions are taken BEFORE connecting this unit to the mains outlet user must verify that only a single protective ground systems exists AND no measurable voltage potential exists between the mains outlet protective ground and the test object protective ground If a voltage potential is found between
33. RHAPUPUHPUPOUFOHENTEHTUFUUHEPUPAPUUIPEPTEUTETUFRPUEUF EHE POPE VOCI UIUIFUPOUP Model Transformer 2002 10 15 Frequency Sweeps 2W CHL idf ick kk RE PE ESS TFATTECAATAK KEE EREC EES STS TTA AEE ECE EET EEE STATS KKK KEE ETE ET STATA KEE Configuration Hum 50Hz Offset Capacitance S80Hz l40V RAS ST 0 003 1 0 024 6979 6 pF GST Guard 0 067 1 4977 4 pF GST Ground 11957 pF 1 Amplitude 140 V RMS 1 1 Contig UST 1 Frequency Ian Delta 1000 0 2036227 6 9533E 9 470 59 0 0031067 5 9617E 3 222 24 0 0027122 6 9 701E 9 20 395 0 0024934 97056 9 2j C PF Complex mic imr PF 2 1 4 8 View 50 60 Hz Data Measured values When a frequency sweep is performed the measurements are done at certain pre defined frequencies Due to possible interferences at power frequency 50 or 60 Hz it is generally 2009 Megger AB 56 IDAX User s Manual 2 1 4 9 recommended to avoid this frequency Instead two measurements near the power frequency are performed and the values at power frequency are obtained by interpolation 10 kV equivalents The 10 kV equivalents are values that are calculated from the measured values Using low voltage e g 200 Vpeak will result in a certain current through the sample A linear insulating material such as oil and or paper will hav
34. T d RJA5 connector for Ethernet connection via twisted pair cable 2009 Megger AB IDAX User s Manual Output f Enable switch 1 for activating the output of voltage 0 for deactivating the output of voltage g Generator Generator output connector h Active Red high intensity LED Is lit when the Generator output is switched on dark when the output is switched off External i AMPLIFIER Connector for external amplifier Input j Input 1 and Sense 1 First input channels k Input 2 and Sense 2 Second input channels I Protective ground Connector for connection to station ground m Test Test inputs Input 1 Sense 1 Max 300 V 2009 Megger AB IDAX 9 1 3 Software Installation The IDAX 206 come with the measurement and display software already installed on the internal computer On the IDAX 300 and if you want to use the IDAX 206 with an external PC you have to install the software To start installing the software insert the USB memory stick and run the program DAXInstall XXXX exe from it When first starting the IDAX software after installing it make sure the IDAX206 300 is connected and turned on For the IDAX 206 also check that the switch in the rear panel is set to EXT USB When the software starts it will look for the IDAX hardware and connect to it automatically 1 4 Measurement Technique Short overview of measurement
35. Temp Object Temp Sequence Object Graph Table 50Hz Data um ET al E 12225 01022711 T i r WT ix I ME omm mim ze ZU ID pd Hr ri T TITRE demir iT Tir HIM Bt 7 ertt Rod mc Eu L a ji u LM In LE LL x C FF TanDelta Complex C m l C FF tang The opened files can be then imported under an existing object by using File Import File To Structure If Results program is opened as an independent program and the data files are temporary opened then closing Results program user is asked if the opened files should be imported into the existing data structure 2009 Megger AB 34 IDAX User s Manual TICENENESSS xi 7 Import temporary opened Files 2 1 1 9 File Import When sharing measurement data between different IDAX instruments or computers Import function facilitates the process of insertion of individual measurements into existing data structure Data are imported in a fashion which corresponds that they can be appropriately imported back into the same or other data structure Depending on data to be imported type and structure the following options are available IDA Zip File Import archived measurement data File to Structure Import selected file into existing structure Measurement
36. Templates Import selected Measurement Templates Object Templates Import selected Object Templates 2 1 1 9 1 File Import IDA Zip File Short cut keys Ctrl Alt l Import the data in from archived izf format Data are inserted among existing measurements preserving the structure of the archived file 1 Choose File Import IDA Zip File to invoke regular Open dialog 2 Select file to be imported and press OK 2 1 1 9 2 File Import File to Structure Command is used to import individual measurement files into existing data structure i e it requires an Object and a Measurement Sequence New Object and Measurement Sequence need to be defined in case there is no object and or sequence to import the data 1 From menu File Import File to Structure invoke import dialog 2 Select the directory where measurement s to be imported are located 3 Select Object under which the measurement must be imported 2009 Megger AB Results User Interface 35 Import Files fram Directory cs emp Browse Import Files Into Object Measurement Sequence IModel Transformer Mew Transformer 000004 idf 000190 idf ASEA 1471DF T124 1 idf 4 Select the Measurement Sequence File Import Import Files from Directory emp Browse Import Files Into Object Measurement Sequence New Transformer 2002 10 17 New Sequence Import Files 000004 idf 000190 idf
37. The impedance Z can be presented directly or by using different impedance models Two ways of presenting Z directly are the polar and the rectangular as follows Polar Z Abs Z Arg Z Rectangular Zp RelZj Z Im Z Two simple models which are usually used in circuit analysis although more seldom in insulation analysis are capacitance C and resistance R The equivalent RC circuit models available are series and parallel models see Fig 1 calculated as follows a b Fig 1 Equivalent circuit models a series RC circuit b parallel RC circuit Parallel Rp 1 j R C C Be 7022 as Re 2 Series 2 2 R RelZj where 2 and f is frequency Another model more often used in insulation diagnostics is the complex capacitance model describing the insulation impedance as a complex capacitance where the imaginary part of the capacitance represents the losses The complex capacitance model is defined as follows jac C C jc where 2009 Megger AB IDAX 11 Complex C cus 1 C je AC C k C Im jaz i The AC is defined as the capacitance C with an arbitrary constant k usually negative added The aim of this parameter is to make it possible to distinguish between small changes in capacitance in graphical presentation A model very often used in insulation diagnos
38. ab 19 A About 24 Autoscale 58 Axis Autoscale 58 Grid 58 Label 59 Scale 59 Settings 58 Title 59 Unit 60 Calibration 25 Calibration Procedure 25 EMO Calibration 25 Full Calibration 25 Capacitance Geometrical 10 Conductivity 10 Configuration Graph 56 57 Information 56 Models 56 61 Power Data 60 Power Frequency Data 56 Send 56 Table 56 60 Current Range 3 D Diagram Zoomin 49 Zoom Out 49 51 Directives Emmision 3 Immunity 3 IVD 3 Mechanics 3 Dissipation factor 10 Edit Change Sweep Color 47 49 Copy 47 Copy All 47 48 Cut 47 48 Mark Sweep 47 48 Paste 47 48 Read Only 47 49 Select All 47 48 Toggle Sweep 47 48 Undo 47 Unmark Sweep 47 49 Equivalent Circuit Paralell 10 Series 10 Error Messages 66 Export 38 Data 38 IDA Zip File 38 Measurement Templates 41 Object Templates 42 Point or Comma 40 TXT format 38 With or without header 39 WMF format 38 M File Add Templates 31 Add Remove Templates 27 Close Measurement 27 32 Delete File Folder 27 46 Ext 27 47 Export 27 Import 27 2009 Megger AB Index 73 File Load D file 27 33 New 27 New Measurement Sequence 30 New Measurement Template 29 New Object 27 New Object Template 29 Open Measurement 27 32 Print 27 42 Remake Measurement 27 32 Remove Templates 31 Rename File Folder 27 46 Report 27 43 Save 27 32 Save As 27 32 Send To 27 45 Frequency Range 3 cr Getting Start
39. asurement One or more measurements can be opened by this command depending on selected item in Test Browser Selected item Data to be opened Single data file sweeps in selected data file Measurement Sequence All sweeps in all data files under selected Measurement Sequence Object All sweeps in all data files in all Measurement Sequences under selected Object 2 1 1 4 File Close Measurement One or more measurements can be closed by this command depending on selected item in Test Browser Selected item Data to be closed Single data file sweeps in selected data file Measurement Sequence sweeps in all data files under selected Measurement Sequence Object All sweeps in all data files in all Measurement Sequences under selected Object 2 1 1 5 File Remake Measurement In cases when user is dissatisfied with a certain measurement it is possible to repeat this measurement with the same settings using Remake Measurement as follows 1 Connect IDAX to the test object if not connected 2 Select the measurement file D file to be repeated obligatory 3 Choose Remake Measurement It will create a Measurement Plan C file from the selected data file i e all measurement settings from this data file are copied into the new Measurement Plan C file 4 Make corrections in Measurement Plan if needed 5 Press ON on IDAX front panel to start the measurement 2 1 1 6 File Save Save any changes made to the current
40. between Show and Hide sweep mi Show Hide Test Browser Switch between Measurement Sequence Measurement Plan or data file 4 4 Go one Measurement Plan or data file Down in Measurement Sequence if there are more than one t Go one Measurement Plan or data file UP in Measurement Sequence if there are more than one 2 1 1 Results File Menu Menu Command Description New Create new objects and Measurement Sequences Add Remove Templates Add new or remove existing Measurement templates Open Measurement Open selected measurements Close Measurement Close selected measurements Remake Measurement Repeat a measurement Save Save current template or Measurement Plan Save As Save the current template under a new name Load D file Temporarily load a measurement file into Results Import Import measurement data Export Export measurement data Print Print short summary of measurement Report Create detailed report about measurement Send to Send data to an external analysis program Rename File Folder Rename individual file test sequence or object folder Delete File Folder Delete individual file s test sequence s or object folder s Exit Close Results program 2 1 1 4 File New Depending on selected file or folder in Test Browser user can create New Object Create new Object is created if the object to be measured is not among those in Test Browser New Test Sequence Create new Measurement Sequence for a se
41. ctive model the capacitance is described by a permittivity and the loss by a conductivity or resistivity The dielectric and resistive models are derived as follows 2009 Megger AB 12 IDAX User s Manual 1 5 z2 l jac Dielectric 2 FOC Z k 3 7 2 Imi Resistive 2 _ 1 Joc Z P 1 Rey 1 p If geometrical capacitance C is unknown it can be set by the user by entering a permittivity dielectric constant for the material Entering a permittivity will let the system calculate an approximate making use of the material models available Yet one must be aware that the accuracy of the absolute values are limited by the accuracy of the entered permittivity If the geometrical capacitance is unknown and an approximate permittivity is given the geometrical capacitance is calculated as follows The impedance value Z used in the calculation is the first measurement point in the actual measurement Getting Started with IDAX This describes how to perform a diagnostic measurement on a specific test specimen More details about the software functions can be found in IDAX System Control and IDAX Results It is recommended to start using IDAX by going through the procedure in this section in order to become familiar with the instrument and the software This procedure
42. current exceeds limits set by MaxHumcCurrent variable Explanation Error in D file syntax Error in D file syntax Error in D file syntax Error in D file syntax Displays error from printer routines Illegal settings for axis values Illegal settings for axis values Illegal settings for axis values Illegal settings for axis values The D file table was not exported properly The information dialog could not display the information Results cannot read from floppy disk Possibly damaged floppy Results cannot read from specified drive 2009 Megger AB 70 IDAX User s Manual 3 1 347 Output voltage is not within specified limits Measured output voltage is outside specified limits Possible reasons and countermeasures 1 Voltage electrode Hi is grounded check measurement set up and disconnect ground change measurement configuration if terminal of test object cannot be disconnected from ground 2 Voltage electrode Hi is connected to measuring electrode Lo or Ground check measurement set up and disconnect measuring or guard electrodes from the voltage electrode Voltage electrode Hi must not be connected to either measuring or guard electrode 3 High stray capacitances to ground or high capacitance of the test object lower the highest frequency used in C file see also Measurement variables Lower the InitFrequency in the C file see also Measurement variables 3 2 361 Ove
43. d This command can also be invoked right click on selected sweep Edit Read Only Allows for changes in those fields which are read only by default e object data when measurement sequence is selected e Measurement plan for data files D files By selecting Edit Read Only this feature is removed and user can change the content of all fields Results Diagram Menu Menu command Description Zoom in Zooming in into a selected area Zoom out Returning to full graph Diagram Zoom In Shortcut keys 1 The Zoom In command allows user to select a rectangular area of the by dragging a rectangle with the mouse 2009 Megger AB 50 IDAX User s Manual Results pi IITest m IMadel Transformer 2 rr Frequent E 2 S E C1 H1 Ci H2 L1 H3 ph c2 H2 In C2 amp 7 2002 10 15 Power Fr 9 12 New Transtemer 8 1 5 Model Transformer E e 2002 10 15 Frequent rd 2w CH 3 I 2W CHL Bh 2w CL D C1 H1 C1 H2 C1 H3 C2 H1 py c2 H2 py C2 H3 amp 7 2002 10 15 Power Fr _ New Transformer i ba T 1 10 o PPP 1 DIM d H o E FP ELT 9 A es 2009 Megger AB Results User Interface 51 2 1 3 2 Diagram Zoom Out Shortcut keys Ctrl O Zoom out command fully displays all active curves similarly as turning on Autoscale in axis settings The axis
44. d objects with and without guard The IDAX 300 system applies sinusoidal shaped voltages at different frequencies across the test object and simultaneously measures the current through it The output voltage is either taken from a 10 LA arbitrary waveform generator or from a 200 V peak arbitrary waveform generator 2009 Megger AB IDAX User s Manual Output Voltage current range 10V Voltage current range 200V Frequency range Measurements Inputs Capacitance Range Accuracy Dissipation Factor Range Accuracy Noise Level Test Modes 2 Channels Calibration General Mains Input nominal Power Consumption max Communication Ports Physical Instrument Weight Case and Instrument Weight Accessories Weight Dimensions Dimensions with Case Environmental Operating Ambient Temp Storage Ambient Temp Humidity CE Standards PC Requirements Operating System CPU RAM Interface 0 10V 0 0 200 V 0 50 mA 0 1 mHz 10 kHz Channel 1 channel 2 ground 10 pF 100 uF 0 5 1 pF 0 10 with retained accuracy of capacitance otherwise higher gt 1 40 0003 1 mHz 100 Hz gt 1 nF gt 2 40 0005 100 Hz 1 kHz C 1 nF Max 500 uA at 50 Hz 60 Hz UST 1 UST 2 UST 1 2 GST GST Guard 1 GST Guard 2 GST Guard 1 2 With 2 ch measurement option additionally UST 1 UST 2 UST 1 GST Guard 2 UST 2
45. e Clipboard where it can be pasted elsewhere 2009 Megger AB 48 IDAX User s Manual 2 1 2 3 2 1 2 4 2 1 2 5 2 1 2 6 2 1 2 7 2 1 2 8 Edit Copy Shortcut keys Ctrl Alt C Graph Copy Results window to Clipboard i e make screen dump as using Alt Print Screen Table Copy content of the table to Clipboard 50 60 Hz Values Copy measured values at 50 60 Hz to Clipboard Test Plan Highlight all text in the current text frame Text View and place a duplicate of it onto the Clipboard where it can be pasted elsewhere Edit Cut Shortcut keys Ctrl X Delete the selected text from Measurement Plan or Template and place it on the Clipboard where it can be pasted elsewhere Edit Paste Shortcut keys Ctrl V Place the contents of the clipboard the last text cut or copied back into Test Plan Edit Select All Shortcut keys Ctrl A Highlight all text in the current text frame Text View for subsequent copying Edit Toggle Sweep Toggles between Mark Sweep and Unmark Sweep i e displays or hides the selected sweep s in the graph table and the values at power frequency The effect of Toggle Sweep depends on position in Test Browser Position in Test Browser Displayed sweeps Object All opened measurements under this object are displayed hidden Measurement Sequence All opened measurements in this sequence are displayed hidden Measurement file sweeps in this file are display
46. e the same dissipation factor and capacitance also at a 10 kV test voltage Therefore it is possible to calculate the current and power at 10 kV from the measured values File Edit Diagram iew Configuration Help co Gweep Power w Capacitance pF CHL 140 0 3072 00 0001113 0 2599 6984 EV equivalent 21 94 0 569 0 2569 6984 View Text View Displays text behind the Measurement Plan or Template In Text View all formatting and measurement settings are shown for user and editing is enabled It is also possible to view data files D files but their editing is disabled 2 1 4 10 View Show Measurement Templates Shows or hides Measurement Templates associated to objects in Test Browser Hiding templates saves space in Test Browser which may be recommended 2 1 5 Results Configuration Menu 2 1 5 1 There are commands under this menu which allow user to configure output of measurement results display desired measured values in both graphical and text format as well as edit measurement plan s Menu command Description Information Configure appearance and Template and Measurement Plan editing tools Graph Configure appearance of graphical output Table Configure Table view Power Frequency Data Display values of losses and capacitance at power network frequency 50 or 60 Hz Send to Select an external program for data analysis Models Display available models for presentation of results Configuratio
47. ed Data File 17 Performing Measurement 17 Graph 57 Axis 58 Background 60 Display Title 58 Graph Tab 19 Grid 58 Header 39 Help Contents 63 Results 63 What s this 63 IDAX 206 System and Accessories 5 IDAX 206 System Control Comments 21 Message Window 21 Oscilloscope 21 Selftest 21 Impedance Measurement 9 Models 10 Impedance Models 62 Import 34 File to Structure 34 IDA Zip File 34 Measurement Templates Object Templates 37 Instrument Panel Front 7 Interface 7 Output 7 Label 59 Language Change Language 23 lin 59 Linear scale 59 log 59 Logarithmic scale 59 MaxDCCurrent 71 MaxHumCurrent 71 MaxSpecimenC 71 Measurement Templates Messages Error messages 22 Message window 22 MinSpecimenC 70 Models 20 61 N New 27 Measurement Sequence Measurement Template Object 27 Object Template 29 Object Templates 66 Oscilloscope Chanell checkboxes 22 Grid 22 Horizontal control 22 Rol 22 Vertical control 22 Output voltage 70 36 30 29 2009 Megger AB 74 IDAX User s Manual Overvoltage 70 P e Version 24 Permittivity 10 View Power factor 10 10 kV Equivalents 55 Precision 59 50 Hz data 55 Prefix 59 50 60 Hz Data 51 Presenting Results 60 Hzdata 55 Getting Started 19 Browse Measurement Templates 51 On screen 19 Browse Object Templates 51 Browse Object Tree 51 _ R _ Browser 51 Graph 51 54 Info
48. ed hidden A sweep selected Only selected sweep is displayed hidden Edit Mark Sweep Displays the selected sweep in the graph table and shows values at power frequency In order to have an effect of Mark Sweep e the sweeps must be unmarked hidden e the sweeps to be displayed also depends on selected position in Test Browser Position in Test Browser Displayed sweeps Object All opened measurements under this object are displayed Measurement sequence All opened measurements in this sequence are displayed Measurement file sweeps in this file are displayed 2009 Megger AB Results User Interface 49 2 1 2 9 2 1 2 10 2 1 2 11 2 1 3 2 1 3 1 A sweep selected Only selected sweep is displayed Edit Unmark Sweep Hides the selected sweep in the graph table and the values at power frequency In order to have an effect of Unmark Sweep e the sweeps must be marked displayed e the sweeps to be hidden also depends on selected position in Test Browser Position in Test Browser Displayed sweeps Object All opened measurements under this object are hidden Measurement sequence All opened measurements in this sequence are hidden Measurement file sweeps in this file are hidden A sweep selected Only selected sweep is hidden Edit Change Sweep Color Changes colour appearance of selected sweep Change Sweep Color invokes a colour dialog window from which a desired colour for sweep can be selecte
49. egger AB Results User Interface 47 x amp Are vou sure vau want to delete the File Falder Demo transformer h 3 To confirm select Yes and press Enter or left click otherwise select No 2 1 1 16 File Exit Shortcut keys Alt F4 1 Closes Results program without quitting IDAX System Control program Results can be restored by pressing F4 or selecting from menu Windows Results in IDAX System Control window 2 If Results were launched as stand alone application File Exit quits Results program without saving changes 2 1 2 Results Edit Menu Commands for handling text and objects Menu Command Description Undo Undo last operation Copy Copy object s or text to clipboard All Copy all selected objects or text to clipboard Cut Cut object s or text to clipboard Paste Paste object s or text from clipboard Select Select all object s or text from Results window Commands for handling graphical output Menu Command Description Toggle Sweep Toggles between show and hide measurement sweep Mark Sweep Shows measurement sweep Unmark Sweep Hides measurement sweep Change Sweep Color Changes colour appearance of measurement sweep 2 1 2 1 Edit Undo Shortcut keys Ctrl Z Reverse the effect of the last action performed such as typing deleting or formatting text etc 2 1 2 2 Edit Copy Shortcut keys Ctrl C Place a duplicate of the selected text or object s onto th
50. es XLPE Cable A measurement of insulation of phase A XLPE Cable B measurement of insulation of phase B XLPE Cable C measurement of insulation of phase C A B and C are default labels for different phases of the cable General measurements Available Measurement Templates are General PF Data generic measurement plan for measuring only at power frequency 50 60 Hz General Sweep generic measurement plan for measuring of frequency sweep General HV generic measurement plan for measurements using IDA High Voltage Unit 2 2 3 Object Templates Object Templates are templates which are recommended to use when creating new objects Available pre specified templates are Test Capacitor General Specimen Autotransformer with Tertiary Bushings Autotransformer with Tertiary Autotransformer without Tertiary Bushings Autotransformer with Tertiary Bushings PILC Paper Insulated Lead Covered Cable Three Winding Transformer Bushings Three Winding Transformer Two Winding Transformer Bushings Two Winding Transformer XLPE Cable The form view of Object Template is pre specified however it can be modified to satisfy different requirements For information about the commands in the IDAX C file see the Commands and Variable Reference in the program help file or included pdf manual IDAX Error Messages System messages No Message Explanation 101 Filename missing File na
51. i 4 E i Pup p C1 H1 see TER EC EET 1 8 5 d fic 4 i i Fi Feit 1 Hoe iH HHHH 2 H1 rub run i Parra z E Eg I iil d 1 i c 1 IM f i H i IN lt mal 2 8 05 C2 H2 0 1 E 7 2002 10 15 Power Fregi m EH ER gi EEHIB A 11 EE t Lranetanier E ot ds E S a EEE NT 01 C Mis 0 0011 Frequency Hz Propertie Complex C Tan Delta 4 ef acim f c FF fw tang 2 1 Results Menus and Commands Windows menu Menu Description File Menu Operations with measurement objects measurement files etc Edit Menu Editing and changing properties of opened measurements Diagram Menu Zooming features View Menu Selection of presentation form Confiquration Menu Configuration of Results window settings Help Menu On line Help Icon menu Icon menu is designed for easier navigation and operations with Test Browser 215 PEST Open measurement Demo Transformer 3 2002 05 06 Demo test 225 Close measurement a Save 2009 Megger AB Results User Interface 27 New Measurement Sequence D Toggle
52. iables wrong DSP code not found Index does not exist in NT registry Could not interpolate calibration data No voltage source selected Could not ger info from DSP MeasurementPerPoints must be greater than zero DSP reset failed Else without if End without zr Only variables or constants are allowed Types does not match Error updating D File Invalid voltage Invalid current Explanation Wrong number type of argument See User s Manual Appendix A 6 for options Wrong number type of argument See s Manual Appendix A 6 for options User settings could not be saved The name of the DSP instrument is not valid contact a service supplier The DSP instrument did not connect properly The DSP instrument did not connect properly The C file is not found in the system Probably problem with reading writing to disc or Windows registry The specified command does not exist Most likely a typing error Too few or too many arguments in a command Amplitude must be assigned See User s Manual Appendix A 5 for options Frequency must be assigned See User s Manual Appendix A 5 for options Comments are possible during a measurement or directly after the measurement No measurement which has been started The DSP variables e g MinTime MinCycles etc are wrong No or wrong DSP code found in the system Problems accessing Windows Registry Could not interpolate transfer functions A voltage so
53. ination directory typing in the path or using Browse button 4 Press OK button 4dd Remove Templates i X Selected Director Browse Avalble Templates Selected Templates New two winding transformer with Mew two winding transformer witt New bia winding transformer abi BE vo windini three bushing OB winding three bushings ob Add gt Remove To remove a template 1 Select it from the right hand side from selected templates 2 Press Remove button or double click by left mouse button 2 1 1 11 File Print Shortcut keys Ctrl P The Print command allows user to print out a simple report of the measurement results in a text format Graph Table or 50 60 Hz Data view Pressing Print first invokes a special window for Print Setup where user can compose the appearance of the report By checking in given options one can print out a report consisting of e calculated values such as equivalent current dissipated power power factor and capacitance at 10 kV and at 50 60 Hz e table containing the data which are selected in the Results window e graphical presentation of the measurement 2009 Megger AB Results User Interface 43 Print setup Select what parts you want to prin Extracted data at E Hz W Table Test Plan view When in Measurement Plan view and in Text View mode user can print test plan text If
54. is also a good test to perform whenever a confirmation of the proper functioning of the instrument is required This test is executed using the standard equipment delivered with IDAX Before starting to use IDAX certain preparatory procedures must be followed 2009 Megger AB IDAX 13 Preparatory Procedure IDAX instrument 1 Before connecting IDAX instrument power cord to the mains outlet read the safety precautions connect the transparent ground lead to a protective earth ground close to measurement specimen and to panel of instrument 2 Connect IDAX instrument to a mains outlet which meets the requirements in User s Manual and local safety regulations and switch on IDAX instrument using the mains switch POWER on the front panel Preparatory Procedure Specimen 1 All specimen capacitances must be discharged before connecting IDAX leads This means that all specimen electrodes must be short circuited and grounded The electrodes must remain grounded until IDAX leads are connected Below a general picture of ground connections is shown Specimen to be measured 2 In the case of Test Capacitor keeping the electrodes grounded while connecting IDAX leads is complicated Therefore in this particular case with Test Capacitor it is permitted to remove the ground connections before connecting IDAX 1 5 1 Measurement 1 Make sure that IDAX is properly connected to mains outlet 2 Turn on IDAX
55. lected Object 2 1 1 1 1 File New Object New object is created if the object to be measured is not among those in Test Browser 1 Select New Object from File menu which opens New Object dialog 2009 Megger AB IDAX User s Manual Hew Object Object and Measurement Title Test Object Template C Program Pax Diagnostics IL Browse Object N ame _ Associated Measurement Templates o Measurement emplates C10 G57 Guard ict ow MeasurementT emplatess t 12 LIST Jic SMleasurementT emplatesWIC12 C10 C10 C12 ict v Measurement emplates s H C20 GST Guard ict ce 2 Select appropriate object template by using Browse button and press Open A File information Look in Object emplates lt EF Ee Date Time a I I Ouick Test obj f Three Winding Transforme Test Capacitor obj Two Winding Transformer Title IGeneral Specimen abj Winding Transformer s Test capacitance amp utatransFarmer with Tertiary Bushings abj xLPE Cable abij ial AutatransFarmer with Tertiary obj Ubject al 4utotranshormer without Tertiary Bushings obj f autotransformer without Tertiary obj Description _ pi Bushings abj Object template Z Metar obi ia al PILC Paper Insulated Lead Covered Cable obj 9 Three Winding Transformer Bushings obj _ File name IIT est Capacitor obj Files of type Object Template
56. lues are not possible to display in logarithmic scale 2 1 5 2 2 5 Precision Precision sets how many digits of the point is presented in the Graph Table 2 1 5 2 2 6 Prefix Scientific Changes between Prefix or Scientific notation in the Graph Table 1055 Tr 1008 12 3 1 008 18 2 1 5 2 2 7 Title Here the title for the graph in Results can be written If Auto is checked the title of the measurement will be displayed for the measurement If more than one measurements are 2009 Megger AB 60 IDAX User s Manual loaded in the results window with different titles no title will be displayed 021 Tithe X axis axis Deselect Auto and write your own 77 Auto 2 1 5 2 2 8 Unit Units for both X and Y axis 2 1 5 2 3 Configuration Graph Background Shortcut keys Ctrl B Using this command the background of the graph can be changed The selected color is used on display and in files exported in wmf format however when printing the background color is set to white 2 1 5 3 Configuration Table Allows user to choose between displaying or hiding the disturbance data when in Table mode Table View Configuration EE Configuration Settings Show Disturbance Data 2 1 5 4 Configuration Power Data Configures display of desired values at power frequency 50 or 60 Hz This command invokes a dialog window shown below The options are as f
57. me not specified file dialog Specify a file name 103 Not string A string variable is expected 196 Could not open file Wrong file name file is missing or path is incorrect 105 Could not open or create Problem accessing Windows Registry key 2009 Megger AB IDAX Error Messages 67 No 106 107 108 109 112 213 Message Key could not be deleted Redeclaration of variable Error writing to file Incorrect data type Cannot start measurement Error reading Windows registry Errors associated with C file No 201 202 209 204 205 206 208 209 210 211 2212 4123 214 2126 LN 210 219 220 LI 222 422 224 Zoo 226 Message Not a complex number Illegal assignment Unknown directive No Data type specified No Category specified Incorrect Category Error on line VoltageSource incorrect Boolean is expected for check box CB Not an integer Not a real Not a Boolean Unknown Data type Wrong number of arguments oyntax error To few radio buttons in group RB Not a radio buttons item RB Not an array of integers Invalid bitmap Image Variable not declared AmplitudeScale not assigned VoltageSource not assigned FileType not assigned SpecVersion not assigned Explanation Problem accessing Windows Registry A variable is declared two or more times in the C file The log file from a Calibration or
58. n Information Editing of Measurement and Object Templates and Measurement Plans in Text View mode can be facilitated by means of this dialog window 2009 Megger AB Results User Interface 57 Information Configuration 2 T ext View Settings Gutter Advanced help Highlighting settings Font 1 Checking unchecking Gutter displays hides line numbering in the left side 2 Advanced help enables automatic appearance of alternatives for variables When typing a variable name followed by sign the alternatives appear as a drop down menu see below and user can select the appropriate one IntegrationHMode urao 22MaxIntegrationTime 15 103 CapacitivehlH eer it ad 3 Highlighting settings allows user to change the color scheme for appearance of text editor see example below Editor color settings 2 x Comments Farm directive Farm string Form number Form Command Selecting Header String Number X Cancel 4 Font allows user to select the fonts to be used in Text view of Measurement or Object Templates and Measurement Plan 2 1 5 2 Configuration Graph Allows user to configure appearance of graphical output Menu commands Description 2009 Megger AB 58 IDAX User s Manual Display Title Toggle ON OFF display title Axis Configure Axis settings Background 2 1 5 2 1 Configuration Graph Display
59. nce it does not need to be sent away for calibration The calibration procedure is easy to perform using the optional Calibration Set which consists of Calibration Box Calibration Software Cables and connectors User s Manual The only thing that needs to be sent away is the Calibration Box and calibration of the Calibration Box can be performed by any local accredited laboratory or testing facility handling test and measure instruments 2 Results User Interface Results program is the window where all data from the measurement are displayed in a graphical or text format Earlier performed measurements can also be opened for comparison purposes Moreover a measurement plan for the measurement to be performed can be edited here Interaction with the program is done via windows and toolbar menu the functions are described in Results Menus and Commands Results window is divided into two sections Test Browser left side Measurement Plan and presentation of the measurement results in graphical and table format right side 2009 Megger AB 26 IDAX User s Manual 2 lol File Edit Diagram View Configuration Help A Bil 5 25 E amp 11tf Model Transformer 2002 10 15 Frequency Swe Measurement Data Graph Table Data West Capacitor E 21 Model Transformer PUN EHE 2002 10 15 Frequency EE D 2w CH 1 tse ph 2 VETT
60. nnectthe Ground lead black to ground the transformer tank Ea ee Prequel Connect the Lo lead blue to the low voltage winding E Eg ee Connectthe lead red to the high voltage winding 8 01 Test capacitor Remove ground connections from both windings Press the green ON button to activate the output and star the measurement Information Measurement Data 2009 Megger AB 54 IDAX User s Manual Measurement Data displays the same information as Measurement Plan The data itself is not visible yet can be viewed in Text mode Caution The data files are Read only and even the editing is possible after disabling Read only attribute it is strongly discouraged Any data loss or damage caused by editing of data files is user s responsibility The IDAX System Control reads the Measurement Plan and each line is interpreted in subsequent order Normally every variable or command is contained in a separate row However multiple variables and commands can be entered in the same row if they are separated with semicolons When the measurement is started current Measurement Plan is copied to a file LastC icf in catalogue which is then read and executed by the IDAX System Control 2 1 4 6 View Graph Shortcut keys Ctrl G Displays graphical output of an ongoing measurement and or previously made and opened measurements It is possible to display graphical representation of the measurements
61. ollows 1 showing either loss tangent tand or Power Factor PF 2 select power frequency 50 Hz e g Europe Australia most part of Africa and Asia 60 Hz e g USA Canada Mexico certain countries in South America 3 showing interpolated 10 kV equivalents for current dissipated power Power Factor and capacitance 2009 Megger AB Results User Interface 61 Power Data Configuration i Configuration Settings E ritit Power Frequenc Tan Dela v 50 He Network C Power Factor Hz Network Show 10k Equivalent 2 1 5 5 Configuration Program The dialog window which appears when selecting this menu command allow user to choose an external application for further data analysis This is done by providing the search path to this program as shown below File location C Program Filez MODS MODS exe Browse X cose 2 1 5 6 Configuration Models Shortcut keys Ctrl M Command Configuration Models invokes a window where available models for presentation of measurement results are shown Different models can be selected and the corresponding results in graphical or text format will be simultaneously displayed 2009 Megger AB 62 IDAX User s Manual 2 1 6 hax 205 Used if na CO assigned Resistive Impedance model Parallel Serial Complex C Polar Rectangular 1 C FF Tan
62. port Ckri AlE4 P Send En Rename File Falder Delete File Falder Exit 2 When executable application is selected the name of the executable is added to the Send to menu as shown below where MODS has been chosen as application where data are to be sent 2009 Megger AB 46 IDAX User s Manual Fa Results File Edit Diagram View Configuration Help Mew amp ddiRemave Templates Open Measurement Close Measurement Remake Measurement Save Save e Load D file Impart Export Print Ctrl F Report Send ka MODS Rename File Folder Delete File Folder Exit Alt F4 EE LL m L 1 1 The data can also be send to selected application by right mouse click and selecting Send to MODS as shown in picture below S Results File Edit Diagram View Configuration Help ml Test Capacitor E 3 IModel Transformer 3 73 2002 10 15 Frequenc 2 1 1 14 File Rename File Folder es 4 t Measurement Data 1 Select the file or folder to be renamed 2 Choose Rename File Folder from menu or right click on the file or folder 3 Type new file or folder name and press Enter 2 1 1 15 File Delete File Folder 1 Select the file or folder to be deleted 2 Choose Delete File Folder from menu or right click on the file or folder A pop up window will appear 2009 M
63. quencies and voltage levels and even more information on the sample can be revealed More information can be found in the chapter Measurement technique The system is fully computerized and most of the measurements can be performed automatically More technical and safety details are given in sections Specifications System and accessories Safety precautions Specifications The Insulation Diagnostic System IDAX measures the insulation impedance at different frequencies for insulation materials present in high and medium voltage transmission and distribution networks The measurement results are used for insulation diagnosis The IDAX uses voltages up to 200 Vpeak 140 V RMS The voltage range can be increased by adding an external high voltage unit the high voltage unit is specified separately IDAX 300 Specifications General The Insulation Diagnostic System IDAX 300 measures the insulation impedance at different frequencies for insulation materials present in high and medium voltage transmission and distribution networks The measurement results are used for insulation diagnosis The IDAX 300 uses voltages to 200 Vpeak 140 V RMS The voltage range be increased by adding an external high voltage unit the high voltage unit is specified separately The IDAX 300 is operated using an external laptop PC The IDAX 300 uses a three electrode set up which allows for measurements of non grounded as well as grounde
64. rement Templates is changed if a translation is available The translation files are stored in directory D VDA Language files 1 6 5 Test Leads Test Leads Cable sets Generator R Ohm 0 21 L Henry Ci2 Farad amp 55e 010 C23 Farad 9 84e 009 The Test Leads dialog is used to select and possible edit the settings for different cable sets The presets drop down is used to select what cable set you are to use for a measurement If the cable set you are planning to use is not included you can use the Add button to add a new preset The settings for a cable set can be edited What the different settings means is explained in this table Generator puta Ground _ Resistance of centre Resistance of Resistance of Resistance of conductor centre centre earth ground conductor conductor conductor Inductance of Inductance of Inductance of input 1 cable input 1 cable earth ground Capacitance between Cap between Cap between centre conductor and conductor and conductor and middle shield Capacitance between middle shield and outer shield 1 6 6 About In About window the software versions of installed IDAX system its program components and information about the operating system are displayed 2009 Megger AB IDAX 25 1 6 7 Calibration The IDAX system presents its measurement results derived from measured
65. rmation 51 Report 43 115181 Report 43 Show Measurement Templates 51 56 MSD Word Report 44 Table 51 55 Text View 51 56 Results Configuration Menu 56 Voltage 3 Diagram Menu 49 Range 3 Edit Menu 47 File Menu 27 Helo 63 Menus and Commands 26 Test Browser 63 User Interface 25 View Menu 51 Safety 6 Scale 59 Scientific 59 Settings for Graph 58 Specifications 3 Ta Table Tab 19 Temperature 3 Operating 3 Storage 3 Test Browser 63 Data Structure 64 Measurement Templates 65 Object Templates 66 U Unit 60 2009 Megger AB
66. ructure In order to perform a measurement a Measurement Sequence must be available or a new one must be created New sequence is created by selecting desired object and press File New Measurement Sequence This will result in e Adialog will appear where a test date and an optional name of Measurement Sequence can be defined e All Measurement Templates associated with the object will be copied to the folder of new Measurement Sequence inclusive the object information as command or C files icf e n order to run a measurement a command file from those under Measurement Sequence is chosen and IDAX is started by pressing ON e When measurement is started the command file is replaced by a data file containing both information from the command file and measurement data Finished measurement can be 2009 Megger AB Results User Interface 65 repeated by selecting data file and choosing File Remake Measurement This will create a new command file copy from data file which is possible to start again The name of command file will remain the same as original data file with additional number at the end for example 2 or yyyy 3 where number indicates times the measurement has been repeated e When measurement is finished the next command file in given Measurement Sequence can be selected and run until the entire Measurement Sequence is done Unwanted command files can be deleted or simply left as they are
67. rvoltage Measurement aborted due to overvoltage detected on measuring electrode Lo Potential difference between signal ground and real ground exceeds limiting value Possible reasons and countermeasures 1 Ground electrode is not connected to true ground connect Ground electrode to true station substation ground 2 Transients caused by accidentally disconnected ground connection check ground connection 3 3 364 Measured capacitances don t match Values of capacitance measured for different configurations the UST GST Guard and GST Ground are in disagreement Possible reasons and countermeasures 1 When performing UST measurement measuring electrode Lo is connected together with Ground electrode or Lo is connected to ground check measurement set up and make sure that measuring electrode Lo is connected to a non grounded terminal of the test object and that Ground electrode is connected to ground 3 4 365 Specimen capacitance below limit Measured capacitance below limit specified in C file by MinSpecimenC Possible reasons and countermeasures 1 Measured capacitance higher than 10 pF 2009 Megger AB IDAX Error Messages 71 Specimen size is very small which results in low value of capacitance change limit set by MinSpecimenC to an approximately 10 lower value than measured capacitance select another measurement configuration if possible 2 Measured capacitance lower than 10 pF Mo
68. s obi Lancel 3 Enter name for the new object for example Test capacitor obj and press OK 2009 Megger AB Results User Interface 29 Hew Object Object and Measurement Title Test Object Template CA Program Pas DiagnastiesME Browse Object M ame est capacitor Associated Measurement Templates sMeasurementT emplates VIT C10 35 T Guard icf v emplates C12 LIST J icf v MeasurementT emplates C12 C10 CTOSCT2 icf v SM easurementT emplates s 2 GST Buard icf PT 4 Newly created object appears in Test Browser as shown below Results File Edit Diagram View Contig Test m p H Test Capacitor Model Transformer 2 1 1 1 2 File New Measurement Template 1 From View menu select View Browse Measurement Templates 2 From File menu select File New Measurement Template enter a name e g template icf for new template and press Save New empty template will appear in Text View mode for editing See also section IDAX 206 Commands and Variables Save File name New Measurement template icf T 2 1 1 1 3 File New Object Template 1 From View menu select View Browse Object Templates 2 From File menu select File New Object Template enter a name for new template and 2009 Megger AB 30 IDAX User s Manual press Save New empty
69. s at the front panel The respective capacitances are Cio 2 9 nF C 4 7 nF Warning The measurement system can generate hazardous and even lethal voltages Carefully read Safety precautions Ungrounded Specimen Test UST Measurement J Results File Edit Diagram View Configuration Help ja j mi eS 1 Test Capacitor 2008 06 30 Test Capacit 1 Hluiek Test Measurement Plan Graph Table 50Hz Data Lt Test Capacitor mt 2002 10 16 Frequei Capacitance C12 71 2002 10 16 Power i U 140 V RMS Stop freq He 51 c C12 C10 E10 ES 1 20 85 T Gua Follow local safety requlations 4 1 Model Transformer Make sure that both preparation procedures described below Cannectthe generator outoutto the upper capacitance connec Connect Current 1 and Sense 1 to the lower capacitance conne Remove possibly ground connections fram the connection pin an the output switch activate the output and then start the n Walt until measurement is finished or abort earlier by stopping 2009 Megger AB IDAX 15 Eg Oo Generator Max 300 V In Test Browser select Measurement Plan file 72 UST carefully read and follow the instructions Or follow the instructions below 1 Make sure that preparation procedures both IDAX and Specimen have been followed 2 Connect the output to the lower capacitance connector
70. safety regulations r C2 Make sure that bath preparation procedures described below have bee C2 H2 2 When using View Browse Measurement Templates Similar as above but the changes made in Text view mode will be permanent and will have effect when creating next new object or adding given Measurement Template to existing object s Fie Edit Diagram View Configuration Help eae il m B 1 Model Transformer 2wWw CH Mlluick Test _ Measurement Template Graph Table 50Hz Data 71 Test Capacitor 1 8 ae CH Two Winding Transformer 5 GPL U 40 5 Stop freq 0 1 Hz Only r C1 H1 L1 H2 E C1 H3 Follow local safety regulations C2 H1 Make sure that bath preparation procedures described below have bee C2 H2 Information Measurement Plan Measurement Plan displays the same information as Measurement Template and can be edited also using Text view mode In the Text view mode appearance of the Measurement Plan view can be specified thus hiding irrelevant information from the user The changes made here will however be unique for the given measurement Permanent changes must be made in Measurement Template s APS 2 140 vanimo nz Unlyb5U bU Hz r ct HI mae Follow local safety regulations C2 Make sure that both preparation procedures described below have been made i Co
71. st Date 2006 1 0 31 Sequence Mame First test Associated Measurement Templates v GST Guard icf ow C12 LIST Licf C12 C10 C10 C12 ict v C20 GST Guard ict 2 1 1 2 File Add Remove Templates User can add or remove Measurement Templates C files for selected measurement object using this command It invokes a dialog window where user can manipulate with available Measurement Templates see picture below Add Remove Templates 1 Avalible Templates Selected Templates hi cl ict hz c1 icf hi3 c1 icf two winding transformer ict Bushing ict GettingStarted ict HOO C1 ict Three bushing 2 ict Three bushings ict Three bushings2 ict T wa winding three bushings Twa winding transformer 4 ict two winding transformer Bick 7 T wa winding transformerz icf A X2 Addc di 2 Remove This dialog window can be also invoked by right mouse click on selected object and choosing Add Remove Templates from the menu which appears as shown below 2009 Megger AB 32 IDAX User s Manual A Results File Edit Diagram View Configuration Help 5j les 1T New Transforn H E NT est Capacitor Object Graph Table 50Hz Data Model Transformer Tranctormer data Mew Measurement Sequence Add Remove Templates Object Delete File Falder Rename File Falder 2 1 1 3 File Open Me
72. st likely no contact with specimen check connections with specimen for loose contacts check measurement cables for damage 3 5 366 Specimen capacitance above limit Measured capacitance above limit specified in C file by MaxSpecimenC Possible reasons and countermeasures Large size of test object results in high values of capacitance change limit set by MaxSpecimenC to an approximately 10 higher value than measured capacitance select another measurement configuration if possible decrease in test voltage allows for measuring at higher frequencies 3 6 367 Measured DC current gt MaxDCCurrent Measured DC current exceeds the limits set in C file by MaxDCCurrent Possible reasons and countermeasures Features of the test object as well as certain configurations can result in high values of DC current use caution when analyzing the data increase the limit for DC current set by MaxDCCurrent 3 7 368 Measured hum current gt MaxHumcCurrent Measured interference or hum current exceeds the limits set in C file by MaxHumCurrent Possible reasons and countermeasures 1 Level of interferences is very high try to reduce the influence of interferences by placing measuring cables close to each other and avoiding cable loops increase the limit for hum current set by MaxHumcCurrent 2009 Megger AB 72 IDAX User s Manual Index ES 347 70 361 70 365 70 366 71 367 71 368 71 5 50 60 Hz Data T
73. t Messages Displaying messages from the software during a measurement Oscilloscope Viewing the actual voltage and current curve forms 1 6 1 Message Window Messages from IDAX system to the user will be displayed in the Messages window For example if a measurement was aborted prematurely by the program the reason for it will be displayed here Messages 365 Specimen capacitance below limit measurement aborted Configuration Measured capacitance 1 71853e 011F Ch 1 Defined MinSpecimenC 4e 011F 1 6 2 Connect and Disconnect In the File menu you have the choice to connect if not connected and disconnect if connected to the IDAX unit If you are not connected and the software needs to connect to the IDAX unit it will be done automatically 1 6 3 Oscilloscope The Oscilloscope displays the signals present on channel 0 white ChO and channel 1 red Ch1 inputs of the analogue IO unit 2009 Megger AB IDAX 23 ChD HUY CHT Fh 000512s div gt 4000V dv gp 200 V div v Auto and Ch1 and their check boxes The ChO and Ch1 check boxes select the channels that are displayed Trace 0 white is proportional to the sample voltage Trace 1 red shows the electrometer output voltage which is a function of the input current Horizontal control The oscilloscope time base can be set either on auto scale or manual On auto scale the time base is set from the generator
74. t any of them as well as create new ones View Information Measurements performed by IDAX are described in a command file called Measurement Plan or C file icf This text file contains all information specific for the measurement in question and is in its entirety saved in the data file idf before the measurement data Displayed content of Information tab depends on selected place in Test Browser There are several possibilities e Object selected e Measurement Sequence selected 2009 Megger AB 52 IDAX User s Manual e Measurement Template selected e Measurement Plan selected e Measurement Data selected Information Object Displays information about object corresponding to the chosen Object Template Object information can be edited using also Text view mode The changes made here will however be unique for the given object Permanent changes must be made in Object Template s 3 Results Fie Edit Diagram wiew configuration Help Brig ils E EE E 1 Transformer WOuick Test a 1 1 Graph Table 50Hz Data Transformer data an Tes capaci Company Pax Diagnostics Division Development Le Diagnostics Year at mir 2006 at E 1 10 20 Phase 3 YID M Coolant foil Class FOA ES Information Measurement Sequence Measurement Sequence displays information relevant to given measurement occasion
75. ta Amplitude fe Peak AMS Kelvin Celsius Fahrenheit f Radians Degrees 2 In the Graph tab you can select the desired parameters For example the dielectric parameter e mic A FF Of tans e Of tans 3 In Results window menu the choices File Export File Print and File Report allow for exporting the measurement data and creation of reports measurements are stored on the IDAX 206 system hard disk or the measurement computer s hard disk on an IDAX 300 system and can be opened and analysed at any time For comparison purposes many measurements can be loaded into the same Results window 1 6 IDAX System Control The IDAX System Control performs a measurement according to commands pre arranged in a Measurement plan or command file C file using programming syntax described in IDAX Command and Variable References The Measurement plan used is available in Results tab Measurement plan 2009 Megger AB 22 IDAX User s Manual 24 System Control File Configuration Tools Window Help System Generator Voltage Elapsed time 00 00 00 Frequency In addition to the IDAX System Control program window a few more windows are accessible from here Window Functions Results Editing of measurement plans and displaying the results Window is activated after up start by default Comments Adding comments to the actual measuremen
76. template will appear in Text View mode for editing See also section IDAX 206 Commands and Variables Save File name New Object Template ict TE 2 1 1 1 4 File New Measurement Sequence New Measurement Sequence is created when e new measurement is to be performed on new object e new measurement is to be performed on an existing object e individual measurement file s is imported Note Before creating new Measurement Sequence at least one measurement template must be associated with the test object 1 To create new test sequence e select New Measurement Sequence from File menu Or e right click on chosen test object and from menu selecting New Measurement Sequence see picture below a Results File Edit Diagram View Configuration Help 21 585217 C Quick Test Object Graph Tat 71 Capacitor 4 71 Model Transformer Test Capaci 5 Mew Measurement Sequence Add Remove Templates Object Delete File Falder Rename File Falder 2 New Measurement Sequence will be automatically assigned a name in form of date as shown below date has the format according to International Standard ISO 8601 The name for Measurement Sequence i e First Test as in picture below is optional 2009 Megger AB Results User Interface 31 New Measurement Sequence Object and Measurement Title Test Object Test capacitor Te
77. tics is a description of the insulation impedance as a capacitance combined with a dissipation factor tan or a power factor PF or coso The capacitance tan and cosq PF are defined as follows C PF Tan Delta 1 C Re TOM E 27 tan amp If tan and cosq PF small then tan PF E g 0 1 corresponds to 0 0995 Insulation diagnostics is based on material characterization and therefore material models are often used To be able to define material parameters from measured impedance Z the geometry of the sample described in terms of the geometrical capacitance C has to be defined In the illustration below a vacuum or air filled capacitor of defined geometry is shown Since no material is between the electrodes the capacitance of a is the geometrical capacitance U C g amp g g amp op C b Material parameter models based a geometrical capacitance CO and material parameters In the above illustration b and c a material is inserted between the electrodes and it will influence the current I flowing in the circuit The influence of the material can be described by different parameters using either a dielectric model or a conductive model In the dielectric model the material capacitance the permittivity is a complex function describing both the capacitance and the loss Whereas in the condu
78. tton on chosen template 4 Press OK button 2 1 1 9 4 File Import Object Templates 37 Object Templates can be imported from a selected location on the IDAX hard drive or user s computer It is done by invoking a dialog window shown below from menu File Import Object Templates 1 Choose directory where the template s to be imported are located by typing in the path manually or using Browse button 2 Select the template s to be imported from available templates in the left hand side Add Remove Templates E x Selected Director emp Browse Avalible Templates Selected Templates obiect template obj Lx Remove X Cancel 3 Press Add button or double click by left mouse button on chosen template 2009 Megger AB 38 IDAX User s Manual 4 Press OK button 2 1 1 10 File Export When sharing measurement data between different IDAX instruments or computers Export function facilitates the process of extraction of individual measurements or templates from existing data structure Data are exported in such a fashion that they can be appropriately imported back into the same or other data structure Depending on objective the Export function can be used in differently IDA Zip File Export data structure to a single file Data Export tab delimited data or graph into a file Measurement Templates Export selected Measurement
79. urce must be selected before measuring Problems with the connection to the DSP instrument One measurement at each frequency must be performed Problems with the connection to the DSP instrument Syntax error in C file Syntax error in C file Only variables or constants are allowed in an if else statement Wrong type of data e g string assigned to an integer Measured data was not properly added to the D file The desired voltage is out of the specified limits Possible typing error in the C file The applied settings results in a current that is too 2009 Megger AB IDAX Error Messages 69 Dow 22 222 99 6 CO eo OO OY D 99 O1 CO CO OY 1 CO OV CO Message Invalid frequency Cable parameter not found Cable parameters not found Temination box parameter not found Termination box parameters not found Output voltage is not within specified levels InitMeasureZ settings No Amplifier type selected Electrometer Overload Error reading backplane serial Cannot option find the Name in file Cannot find the Connection option in file Error in file at line Overvoltage Measured capacitances don t match Specimen capacitance below Linit Specimen capacitance above J pm b Measured DC current MaxDCCurrent Measured hum current MaxHumCurrent Errors associated with D file No 400 401 403 404 405 406 407
80. w voltage winding and ground 3W CT measurement of insulation between tertiary winding and ground Autotransformer without tertiary winding Available Measurement Templates are 2WA CH measurement of insulation between high low voltage winding and ground Autotransformer with tertiary winding Available Measurement Templates are 3WA CH measurement of insulation between high low voltage winding and ground 3WA CHT measurement of insulation between high low voltage and tertiary windings 3WA CT measurement of insulation between tertiary winding and ground Bushings Available Measurement Templates are for each phase C1 H1 measurement of bushing H1 main insulation C1 C1 H2 measurement of bushing H2 main insulation C1 C1 H3 measurement of bushing H3 main insulation C1 C2 H1 measurement of bushing H1 insulation between test tap and ground sleeve C2 C2 H2 measurement of bushing H2 insulation between test tap and ground sleeve C2 C2 H3 measurement of bushing H3 insulation between test tap and ground sleeve C2 2009 Megger AB 66 IDAX User s Manual H1 H2 and H3 are default labels for bushings of different phases PILC Cables PILC Cable A measurement of insulation of phase A PILC Cable B measurement of insulation of phase B PILC Cable C measurement of insulation of phase C A B and C are default labels for different phases of the cable XLPE Cabl
81. y performed measurements Object and Measurement Templates organisation of new measurements on the existing or new objects creation and editing Measurement and Object Templates 2009 Megger AB 64 IDAX User s Manual Fa Results File Edit Diagram View Configuration Help E C3 Test Capacitor Th C10 G5T Guard rh I C12 UST rh C12 C10 10 12 rh C20 8S T Guard 11 4002 10 16 Frequency sweeps ph C10 GST Guard p5 C12 UST D 012 C10 0104012 ph IC20 GST Guard E 3 2002 10716 Power Frequency Only H Model Transformer 2 2 1 Data Structure Test Browser is arranged as a tree like structure consisting of Objects Measurement Sequences Measurement Plans and data files Objects Each object is represented by an object template specified in a file Object obj This file contains the information about the object which is constant such as owner manufacturer serial number etc There are several pre defined Object Templates for power transformers bushings and cables Depending on user s needs these files can also be modified as well as new templates can be created When creating new objects it is recommended to select Measurement Templates which can be associated to those objects Measurement Sequence Measurement Sequence is created in order to make a measurement and therefore at least one Measurement Template must be associated with the Object Measurement st

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