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1. Circuit Breaker Analyzer System JR SAMMA PRODU GE Pow er Systems M1300 High voltage circuit breakers are extremely important for the function of modern electric power supply systems The breaker is the active link that ultimately has the role of quickly opening the primary circuit when a fault has occurred Many times the breaker has to perform its duty within a few millisec onds after months perhaps years of idly standing by Since condition based maintenance has become the established strategy for most owners and operators of electric power supply systems the need for reliable and accurate field test instruments is obvious TM 1800 Circuit Breaker Analyzer Capabilities S System platform for testing high voltage circuit breakers m Expandable modular concept high flexibility up to 48 48 timing channels m Stand alone functionality one toolbox for all breaker testing m Designed for Off line and On line measurements m Analog or digital transducers for contact travel measurements m Calibration module for stable accuracy m Predefined circuit breaker templates Automatic testing m Enhanced contact timing m Active interference suppression patent pending m Integrated static contact resistance measurement m Automatic measurement of coil voltage and current m Automatic measurement of a and b auxiliary contacts m Quick test functions m Vibration measurement s Temperature measurement CABA b
2. No of channds TRIG OUT Switch Resolution Duration Inaccuracy Dday from Trig in Voltage mode Output Voltage Output Resistance Contact mode English Swedish Spanish French German Built in trackball and mouse buttons 0 250 V AC DC User configurable in soft ware in steps of 1 V 0 01 of reading 0 1 ms 25 30V DC 20 mA H mA 1 5 kQ 40 5 kQ 3 TRIG OUT DRM WARNING Electronic lms User configurable in software 0 01 of reading 0 1ms minimum 5ms 12V DC 5 250 50 M aking Breaking range max 0 5 A Resistive load DRM Switch Resolution Inaccuracy Voltage mode Output voltage Output current Contact mode at 12 V Relay 10 ms 0 01 of reading 10ms 12V DC 5 max 0 5A M aking Breaking range max 0 5 A Resistive load WARNING Switch Resolution Duration Inaccuracy at 12 V Relay 10 ms User configurable in software 0 01 of reading 10ms Voltage mode Output Voltage Output Current Contact mode 12 V DC 5 max 1 A M aking Breaking range max 1 A Resistive load Temperature Interface at 12 V for HighPrecision 1 wire Digital Thermometer Communication interfaces Printer port Serial port External screen No of channds Time base inaccuracy Resolution Bandwidth M easuring time Input voltage range Waght N on bouncing switch Function Continuous current M ax current Dday from trig in if applicable Current measuring
3. 20 sec at 0 8 kg 1 8 Ibs 10 V 45 24 V 5 0 22mA 0 22 mA 0 35 U A At data compres sion x 2 1 of reading 0 1 of range 0 250 V AC DC 10 V 250 V 0 3 mV 20mV 1 of reading 0 01 of range 6 Incremental transducers RS422 0 01 of reading 0 05 ms 16 sec at 20 kS s 0 7 kg 1 5 Ibs 5V DC 4 or 12 V DC 15 lt 200 mA 1 20 kS s 432000 pulses 1 pulse pulse 6 0 01 of reading 0 05 ms 0 05 ms lt 25 mA 16 sec at 20 kS s 32 sec at 10 kS s 0 8 kg 1 8 Ibs 27 V 10 Closed lt 1009 Open gt 1 kQ 5 of threshold 0 250 V ACI DC 10 V 40 5 V Thermal printer Thermal 114 mm 50 mm s 400 dotlines s 8 doty mm 8 doty mm IP21 0 8 kg 1 8 Ibs 250 ppm per year 0 6 kg 1 3 Ibs T Dolphin Clips 2 Ground Cable 5 Analog Module Cable 6 Timing AUX Cable Transducers and M ounting Kit Digital Transducer Cable 9 Cable Reels Ordering Information TM1800 Basic U nit Complete with Transport case User s manual Mains and Ground cable USB memory pen Control module Complete with 3 cable sets 5 m Timing M R module Complete with 3 cable sets 5 m 3 dolphin clips black 6 dolphin clips red Analog module Complete with 3 cable sets 10 m Digital module Cables delivered with transducers Timing Aux module Complete with 3 cable sets 5 m Calibration module Complete with Calibration cable Printer module Complete with
4. M easuring range Resolution Inaccuracy Voltage measuring M easuring range Resolution Inaccuracy Type l II li PCMCIA cards Universal Serial Bus ver 1 1 100 base T x Fast Ethernet LTP Multi mode parallel ECP EPP SPP RS232 9 pin D Sub female SVGA up to 800 x 600 at 64k color 2 MB SDRAM 3 0 01 of reading 0 1 ms 0 1 ms 5 kHz 19 sec at 10 kS s 39 sec at 5 kS s 200 sec at 10 kS s Data compression 0 250 V ACI DC 1 0 kg 2 2 Ibs Normally O pen Normally closed dual direction 16 A 60 A during 100 ms with intermittence of 5 lt 2 5 MS 60 A 3 mA At data compression X 2 1 of reading 0 1 of range 250 V 20 mV 1 of reading 0 1 of range Auxiliary contact status resistance Open circuit voltage Short circuit current Status threshold Resistance range Resolution Inaccuracy Timing M R M odule G eneral No of channds Time base inaccuracy Resolution Bandwidth M easuring time Induction protection Waght 30 V 10 lt 25 mA Open gt 10 kQ gt close 0 10kQ 1009 50MQ 10 ka 5Q 2 of reading 0 2 of range 6 in pairs of 2 0 01 of reading 0 05 ms 0 05 ms 5 kHz at 10 kS s 10 kHz at 20 kS s 8 sec at 20 kS s 16 sec at 10 kS s 1000 sec at 20 kS s Data compression Capacitively coupled inter ference current from surroundings max 20 mA per channel Active interference suppression patent pending 0 8 kg 1 8 Ibs Timing of main
5. Paper role Dummy module GA 00850 40 08320 40 08322 Optional Accessories CABA Win RO2A Temperature Sensor with sensor cable 5 m Motion Transducers Rotary Digital 1 phase Ready to U se Digital Rotary Transducer 3 phase Ready to U se Digital Rotary Transducer Complete with Mounting and calibration kit Baumer BDH Digital transducer Complete with Transd cable amp Flex coupling Motion Transducers Rotary Analog 1 phase Ready to U se Analog Rotary Transducer 3 phase Ready to U se Analog Rotary Transducer Complete with Mounting and calibration kit IP 6501 rotary transducer 357 Complete with Transducer cable Motion Transducers Linear Analog TLH 500 linear transducer 500 mm 20 travel LWG 225 linear transducer 225 mm 9 travel TS 150 linear transducer 150 mm 6 travel Mounting kits Kit for TLH LWG TS and IP transducers Kit for linear transducers TLH LWH Kit for vibration transducers Kit for calibration of rotary transducer P6501 Breaker Specific Transducer Mounting Kits For HPL circuit breaker ABB For LTB circuit breaker ABB For BLG operating mechanism ABB Extension cables Analog cable TM1800 XLR female to male 10 m For Analog and Timing M R cables and temperature sensor Cable reel 20 m 65 5 ft black red blue gren yal low Dynamic resistance measurement DRM 1000 Injection Control Complete with Connection box Cables red and blue for vehicle battery and Sensi
6. less than 2 ms even for such systems It should also be noted that breakers that perform synchronized breaking must meet more stringent requirements in both of the previously stated situations There are no generalized time limits for the time relationships between main and auxiliary contacts but it is still important to understand and check their Operation The purpose of an auxiliary contact is to close and open a circuit Such a circuit might enable a closing coil when a breaker is about to perform a closing operation and then open the cir cuit immediately after the operation starts thereby preventing coil burnout The A contact must close well in advance of the closing of the main contact The B contact must open when the operating mechanism has released its stored energy in order to close the breaker The breaker manufacturer will be able to provide detailed information about this cycle Motion Measurement A high voltage breaker is designed to interrupt a specific short circuit current and this requires Operation at a given speed In order to build up an adquate cooling stream of air oil or gas depending on the type of breaker This stream cools the elec tric arc sufficiently to interrupt the current at the next zero crossover It is important to interrupt the current in such a way that the arc will not re strike before the breaker contact has entered the so called damping zone Speed is calculated between two poin
7. the resistor contact and resistance of linear PIR For DRM measurements you need two channels per break m Six channels per module grouped 3x2 in pairs with common return m Main contact timing m Parallel contact timing m Ohmic value of parallel resistors Digital channels for measurement of motion both linear and rotary with incremental transducer m Six channels per module m Measurement ranges transducer resolution up to 32000 pulses m Power supply 5 V and 12 V DC For making printouts Printouts can also be made via parallel LPT or USB output in top module or from PC with CABA Win A number of different printout formats are available as well as user adapted both graphic and numeric You can have printouts in English German French Spanish Swedish The printing can be set to auto matic printout in CABA Local m Thermal printer sensitive line dot method m Paper width 114mm 4 m Printing speed 50mm s 400 dot lines s PC card module is a non optional module which is part of the basic unit The two PC card slots are for any type of PCMCIA card i e storage modem net work wireless communication etc The module also contains the hard disk for the system for easy extraction and secures storage of recorded data during transport This module is always in slot 10 in the module panel m Two PC card slots m Type lI PCMCIA cards m 20GB storage capacity on built in hard drive m Optional Flash
8. to note however that the relationship between the two current peaks varies particularly with temperature This also applies to the lowest tripping voltage Dynamic Resistance Measurements DRM DRM procedures measure variations in contact resistance during breaker operation not to be confused with static resistance measurement which measures contact resistance when a breaker is closed DRM has a number of applications On certain types of breakers DRM can be used to measure the short ening of arcing contacts When breaker contact motion is measured simultaneously with resistance the results can be used to determine the length of the arcing contact In some cases breaker manufac turers can supply reference curves for the type of contact in question In another application timing measurements can be performed on a breaker with both sides grounded and it is difficult because of practical considerations to disconnect one side from ground If a sufficiently high current is used about 250 A or higher there will be a noticeable step in the voltage change when the breaker contact closes or opens in spite of the parallel ground connections Similarly DRM can be used when a breaker has parallel main contacts Example of DRM measurement 1 Motion measurement phase C 1 4 Timing phase A 5 Start of motion A The TM1800 Breaker Analyzer System can determine the condition of any circuit breaker type and model f
9. ackwards compatibility Rugged and reliable for field use s Multilingual Human M achine Interface m Enhanced reporting assessments and archiving of test results Market Trends Many new breaker technologies and designs have been introduced over the past decades At the same time the lifetime of an installed circuit breaker is often longer than 40 years This means that at most sites the vast range of existing circuit breakers with different configurations present an enormous chal lenge to the test engineers Another factor has been market driven reorgani zations of electric power utilities Frequently the established service organizations within utilities have given way to slimmed operations with outsourced maintenance and service Again this has meant that a lot of practical Know how and background history about specific breakers has been lost along the way The financial requirements on utilities have tightened as well Asset optimization has become a priority The possibility to continue using a costly circuit breaker rather than unnecessarily replacing it with a new is very interesting from this perspective as long as it does not put the safety and reliability of the electric power supply at risk This again puts the pos sibility to quickly and reliably diagnose the breaker s condition into focus The reorganizations within the industry mentioned above leading to outsourcing of service and maintenance means th
10. and resistive contacts M easuring voltage M easuring current Status threshold 55 V 10 lt 27 mA 10 Main lt 10Q PIR lt 10 kQ lt O pen PIR resistance measurement Supported PIR types M easuring range Inaccuracy Voltage measurement M easuring range Linear PIR 0Q 10kQ 10 of reading 0 1 of range 100 V 10 V 20 5 V Resolution Inaccuracy 20 mV 0 4 mV 20u V 1 of reading 0 1 of range At data compression x 2 Analog Module General No of channds 3 Timebaseinaccuracy 0 01 of reading 0 025 ms Sampling rate Bandwidth M easuring time Voltage output Current output Current measuring Current meas range Resolution Inaccuracy Voltage measuring Input voltage range M easuring range Resolution Inaccuracy Digital module G eneral No of channds Supported types Time base inaccuracy M easuring time Weight Output Voltage Current output Digital input Sampling rate Range Resolution Inaccuracy Timing Aux Module General No of channds Time base inaccuracy Resolution M easuring current M easuring time M easuring voltage Status threshold Inaccuracy Voltage Mode Input voltage range Status threshold Inaccuracy Printer module G eneral Printe type Pape type Printing speed H orizontal resolution Vertical resolution Enclosure class Weight Calibration module General Reference Stability Weight 1 40 kS s 15 kHz 10 sec at 40 kS s
11. at reporting archiving and evaluation of test results become more critical Modern service organizations need tools and facilities to provide the breaker owner operator with reports and recommendations in formats that are suitable The Response In response to all these challenges GE Power Systems has designed the TM 1800 breaker analyzer system The objective was to incorporate all relevant test functions in one compact unit that should be flexible enough to test any circuit breaker that exists on the market In line with the Programma product line tradition the new TM1800 Breaker Analyzer System is portable and rugged making it suitable for use in any type of environment The concept is a flexible modular system that can be easily configured for any type of circuit breaker Distribution breakers with one contact per phase and one operating mechanism can easily be tested Transmission breakers often have a more complex design with several contacts per phase and separate operating mechanisms Even here TM 1800 is fully capable of capturing any parameter For example when testing circuit breakers with pre insertion resistor PIR contacts the TM 1800 automatically measures timing of the main and PIR contacts as well as the resistance value of the pre insertion resistor Furthermore with the TM1800 system test methods such as static resistance meas urement SRM dynamic resistance measurement DRM and vibration testing are eas
12. disk APPLI dN Circuit Breaker System with Common Operating Mechanism Minimum configuration of modules for this application is m 1 Control module m 1 Timing M R module 1 m 1 Analog module oe a S DTD oe TM1800 Set up for one main contact and common operating mechanism The drawing shows an analog measurement but it can also be done with a digital module and incremental transducers Y1 close coil Y2 trip coil 1 Y3 trip coil 2 The settings in the TM 1800 are easy to manage using the internal software CABA Local It offers easy access via function keys and the built in key board It comes with a track ball and large bright screen which works as well in direct sunlight Below set up shows complete wiring for pole A The timing hook up for remaining pole B and C isdone accordingly to pole A Two control modules six outputs are needed to control each coil Y1 Y2 for every pole The below set up shows the wiring of pole A This also auto matically tests timing on the auxiliary contacts that are connected in series to the coils When on site doing the hook up you can get help on how to connect by pressing the i button see example on the left Circuit Breaker System with Separate Operating Mechanism Per Pole TM1800 set up for two main contacts and one operating mechanism per pole Motion measurement can be added with an analog or digital module Minimum c
13. iliary contact opens 9 Current decay Coil Currents These can be measured on a routine basis to detect potential mechanical and or electrical problems in actuating coils well in advance of their emergence as actual faults The coil s maximum current if current is permitted to reach its highest value is a direct function of the coil s resistance and actuating voltage This test indicates whether or not a winding has been short circuited When you apply a voltage across a coil the current curve first shows a straight transition whose rate of rise depends on the coil s electrical characteristic and the supply voltage points 1 2 When the coil armature which actuates the latch on the operating mechanism s energy package starts to move the electrical relationship changes and the coil current drops points 3 5 When the armature hits its mechanical end position the coil current rises to the current proportional to the coil voltage points 5 8 The auxiliary contact then opens the circuit and the coil current drops to zero with a current decay caused by the inductance in the circuit points 8 9 The peak value of the first lower current peak is related to the fully saturated coil current max cur rent and this relationship gives an indication of the spread to the lowest tripping voltage If the coil was to reach its maximum current before the armature and latch start to move the breaker would not be tripped It isimportant
14. ily integrated in the circuit breaker testing TM1800 has a straightforward and user friendly interface CABA Local The display is an 8 inch transreflecive screen that enhances the use in direct sunlight You can also use a separate PC with the optional CABA Win software to prepare and evaluate the tests The user interface CABA Local has been designed to facilitate setup and analysis There are for example integrated help functions that guides the user through out the testing Special efforts have also been made to reduce the number of connecting leads required Furthermore many functions have been automated to reduce the number of manual exercises and breaker operations required to perform atest Asa result the training needed to use the TM 1800 to its full extent is minimized and the time to carry out actual tests is minimal Timing Measurements Simultaneous measurements within a single phase is important in situations where a number of contacts are connected in series H ere the breaker becomes a voltage divider when it opens a circuit If the time dif ferences are too great the voltage becomes too high across one contact and the tolerance for most types of breakers Is less than 2 ms The time tolerance for simultaneous measurements between phases is greater for a 3 phase power transmission system running at 50 Hz since there is always 6 67 ms between zero crossovers Still the time tolerance is usually specified as
15. ng cables Vibration testing Signal Conditioning Amplifier SCA606 Accelerometer DYTRAN 3200B5 Vibration Analysis Software Separate CABA option for DT W analysis CG 19090 CG 19030 GA 00870 CG 19080 CG 19000 GA 01005 CG 19040 CG 19060 G A 00870 CG 19020 G A 001006 CG 19050 CG 19010 CG 8000X XB 31010 XB 39110 XB 39120 XB 39130 XB 31091 XB 31093 XB 31010 XB 30020 XB 30117 XB 30030 XB 39010 XB 39065 XB 39070 XB 39095 XB 39080 XB 39090 XB 39085 GA 01005 GA 00840 GA 00842 GA 00846 GA 00845 GA 00844 BL 90041 BL 13096 XB 32010 BL 8270X TM SUL Circuit Breaker Analyzer System SROGRAM M PRODI GE Power Systems gepower com Programma Electric AB Eldarvagen 4 Tel 46 8 510 195 00 SE 187 75 TABY Fax 46 8510 195 95 Sweden programma ps ge com GEA 13519 2003 General Electric Company All rights reserved The contents of this document are the property of General Electric Company No part of this work may be reproduced or transmitted in any form or by any means except as permitted in written license agreement with General Electric Company General Electric Company has made every reasonable attempt to ensure the completeness and accuracy of this document However the information contained in this document is subject to change without notice and does not represent a commitment on the part of General Electric Company The GE logo is a registered trademark of Gene
16. onfiguration of modules for this application is m 2 Control modules m 1 Timing M R module Y1 close coil Y2 trip coil 1 Y3 trip coil 2 PECIFI Specifications are valid after 30 minutes warm General up time Specifications are subject to change without notice Environment Application Field Temperature Operating Storage amp Transport Enclosure Class Humidity Transport Compliance Safdy Certifications CB Catificate For the use in high voltage substations and industrial environments 0 C to 50 C 32 F to 122 F 20 C to 50 C 4 F to 122 F with flash disk 55 C L 85 C 67 F to 185 F IP41 5 95 RH non condensng Operating and non operating ISTA 2A unit in transport case EN 61326 1997 A1 1998 A2 2001 EN 61010 1 2001 IEC 61010 1 2001 incl all national deviations CE marking Basic unit General Mains input 100 240 V 10 AC 50 60 Hz Max power consumption 200 VA Dimensions 513x175x438 mm 20 2 x17 2 x6 9 Weight 15 5 kg 34 2 Ibs Display Type Transreflecting to increase visibility in direct sunlight Diagonal size 21cm 8 No of pixels 800 x 600 W x H Display mode 256k colour Luminance 350 cd m2 Keyboard Available languages Pointing device External input Trig in Voltage mode Input range Threshold leva Time inaccuracy Contact mode Output voltage Output current Threshold leva External outputs General
17. quence is set in CABA Local ANALOG 3 The analog module is for measurement of any analog signal measured with an industrial standard transducer with voltage 10V or current 4 20mA Output Typical quantities that are measured are for example motion voltage current vibration acoustic pressure etc m Three channels per module m 10V and 24 V output m Measure with any industrial standard analog transducer M easures timing of any auxiliary contact for example spring motor auxiliary contacts m Timing of contact or voltage Polarity insensitive m Six channels per module each one separately grouping marked with background colour m Safety plug type of connections For on site calibration of measuring inputs The calibration module is slightly smaller than the other modules and has a designated module place Like any other measuring instrument TM 1800 has to be calibrated to traceable standards on a regular basis With the calibration module the unit can be calibrated in field m The calibration module is intended to be in slot 9 in the module panel m You only need to send this module for calibration and you can use TM 1800 without it 2 TIMINGM R S M easures the timing of the main and parallel resistor contacts Each pair of channels is independent of the others and has its own current limited DC voltage source Measurement current is limited to 27 mA One channel can measure both the main and
18. ral Electric Company
19. rom any manufacturer Thanks to its modular design it permits user configuration for any application It also enables upgrading for future circuit breaker applications and designs The main part of the top panel is designed for the modules You can config ure your TM 1800 with the type of module that suit your needs and of course add replace modules whenever you like In an empty slot there should always be a dummy module On the top panel of the basic unit are the following inputs and outputs m Power supply m Trig inputs and trig outputs m External outputs for DRM trig and warning signal alerting nearby personnel that breaker operation is about to take place m Earth Ground Connection m Sync input and sync output m Temperature transducer input m Communication interfaces USB Ethernet etc s TZ Controls the operation of the circuit breaker It gives a pulse to the coil for close open and for the motor operation The module has three contact closures one for each phase For 1 phase operation use A for close and B for open C can be used for motor Operation or second trip coil If two modules are used you can have 3 phase operation with separate voltage for all phases and close and open operation The control module measures coil current and volt age and timing of auxiliary a and b contacts m Three independent contact functions per module m Sequences C O C O O C O C 0 m The function of the se
20. ts on the motion curve The upper point is defined as a distance in length degrees or percentage of movement from a the breaker s closed position or b the contact clo sure or contact separation point The time that elapses between these two points ranges from 10 to 20 ms which corresponds to 1 2 zero crossovers The distance throughout which the breaker s electric arc must be extinguished is usually called the arcing zone From the motion curve a velocity or accelera tion curve can be calculated in order to reveal even marginal changes that may have taken place in the breaker mechanics Damping is an important parameter for the high energy operating mechanisms used to open and close a circuit breaker If the damping device does not function satisfactorily the powerful mechanical strains that develop can shorten breaker service life and or cause serious damage The damping of opening operations is usually measured as a second speed but it can also be based on the time that elapses between two points just above the breaker s open position Closed position Contact closure L 0 Arcing zone fe E Speed calculation points Damping zone Open position S iy n I Time M otion Curve 1 Trip coil energize 2 3 Armature travel ta OC 2 1 Armature operateSitrip latch 4 5 Armature completes its travel 5 Armature hits stop 6 Change in coil inductance 7 Proportional to DC coil resistance 8 Aux

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