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CT-8000 - Vanguard Instruments Company, Inc.

1. 46 Figure 17 Sample Timing Report Using Resistor Type 47 Figure 18 Typical O C O Test Results Graph Fun er 57 Figure 19 Typical Tabulated Test Results Printout for an O C O Operation 58 Figure 20 Typical Tabulated Test Results Printout for a CLOSE Operation 62 Figure 21 Typical Test Results 64 Figure 22 Expansion Graph from OMS to 300MS 65 Figure 23 On Line Timing Test Report 66 Figure 24 On Line Test Graphic 0 2 4 0 1 1 6 67 Figure 25 Typical Test Results 68 Figure 26 Typical Tabulated Test Results Printout for an O C O Operation 69 Figure 27 Graphical Interpretation of an OPEN Timing 70 Figure 28 Graphical Interpretation of a CLOSE Timing 5 4 24 70 Figure 29 Graphical Interpretations of an OPEN CLOSE and CLOSE OPEN Timing Shot 71 Figure 30 Typical Static Resistance Test 73 Figure 31 Dynamic Resistance Graph 0 400 micro ohm
2. ENTER when done Type the delay time using the numeric keypad and then press the ENTER key Continue to step h 3 No DELAY Press the 3 key to initiate the CLOSE and OPEN commands simultaneously Continue to step h h The following screen will be displayed Hold ARM until test completes START to Begin STOP to ABORT Hold down the ARM switch and press the START key i The following screen will be displayed TEST IN PROGRESS Hold ARM until test completes Up to 25 seconds Continue to hold down the ARM switch until testing is finished You will be returned to the START UP menu once testing is finished LO CT 8000 USER S MANUAL REV 2 3 3 3 Timing an OPEN CLOSE OPEN Operation The OPEN CLOSE OPEN operation requires the user to enter two time delays in milliseconds between the circuit breaker operations The first delay is from the first OPEN command to the CLOSE command and the second delay is from the CLOSE command to the second OPEN command Follow the steps below to time an OPEN CLOSE OPEN operation a Start from the START UP menu e RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 1 key RUN TEST b The following screen will be displayed L TIME BREAKER STATIC RES TEST 3 DYNAMIC RES TEST Press the 1 key TIME BREAKER c The following screen will be displayed INSERTION RESISTOR N
3. ee EEEE E EEE ees E teera rime remm nm mRismid bdbhda A ee Pe a 1 J 3 g L mamans HAIZHIHLAA3EIREIE III E Se Perse mmm Pere a BIZZEGEEIBIBEIHHIJERAR 1ERIBIA mems mamenn empenar eee Re REEF LR n es eens ee emen a a 1 A nities ine IG eee FREE EI EET ee Pee i 1 ITE Model 14 4K Circuit Breaker OPEN CLOSE Timing Chart REV 2 8000 USER S MANUAL 60 Hz BREAKER TIMING RESULTS SHOT NUMBER noose DODATE oF oO1 oOS TIME 13 20 arias INSTRUMENT STATIONs CIFeCLII Fes MOGEL TEST CLOSE CONTACT OPEN TIME CH TIME amp SOUNCE gt lt mS gt 1 4 30 OS OD 20 os OS ono 20 oso 60 Di ato CONTACT RECLOSE TIME CH TIME CYCLES BOUNCE cms gt gt 291 10 17
4. BREAKER TIMING RESULTS SHOT NHUMEER OOO DATE OSA 01i A 03 TIMEs i 42 AH UANGUARO IFISTFeLIPIETFAT STAT CIRCUIT HE F MooeLs meris OFERATORF TEST Close COWTACT CLOSE TIME CH TIME ELDLIFAC E lt gt cms gt 1 172 o 22 oo SO iro ro 10 24 ooo iro amp o 13 24 noc oco CONTACT OPEN TIME CH TIME CYCLES lt mS gt lt gt ies 00 11 10 ois 40 ive ro 11 10 oo Oc 20 CONTACT LIVE TIME TIME cms gt 1 Di OD OO 56 3 ooo oc PEAK TRALEL in gt 44 TOUZ H OISTANCE lt gt oc gt WOLTS 45 6 AMPS Wi NOMINAL VOLTAGE MINIMUM VOLTAGE IHITIATOR CLIFEFEEFAT SHOT LENGTH 1 SECOND INSERTION RESISTOR TRIGGER INTERNAL DELAY CLOSE CH 1 ITE Model 14 4K Circuit Breaker CLOSE OPEN Tabulated Report oe we o o o eee 1 i DEED cari 0620000 EIDEM gt LLJ cc lt lt gt 2 cc LLJ Un e e e 09 Q
5. CT 8000 DIGITAL CIRCUIT BREAKER ANALYZER USER S MANUAL Vanguard Instruments Company Inc 7 1520 5 Hellman Ave _ s Ontario California 91761 USA TEL 909 923 9390 March 2010 FAX 909 923 9391 Revision 2 CT 8000 USER S MANUAL REV 2 SAFETY SUMMARY FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this User s Manual may create one or more safety hazards may damage the CT 8000 or cause errors in the test results Vanguard Instruments Company Inc assumes no liability for unsafe or improper use of the CT 8000 All safety precautions provided in this manual must be observed during all phases of testing including test preparation test lead connection actual testing and test lead disconnection SAFETY WARNINGS AND CAUTIONS Only trained operators shall use the CT 8000 All devices under test shall be off line and fully isolated Do not perform test procedures or service unless another person is also present who is capable of rendering aid and resuscitation DO NOT MODIFY TEST EQUIPMENT To avoid the risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modification to any CT 8000 test unit To ensure that all designed safety features are maintained it is highly recommended that repairs be performed only by Vanguard Instruments Company factory personnel or by an authorized repair service provider
6. a LER CONTACT T I ME TINE nS gt 4 FS 265 45 i 1 SS L T I ME cH T IME nS gt aS o 1 Si n gt gt oOo 1 325 oa FEAK TA PEARKE TRALEL gt uw ODM HOM I HAL 420 MOL Tea ee I AT OF SHOT LENGTH I OH TH I OEL A REES I STOF E CONGO Fico mS 200 m c oOo OEL A Figure 26 Typical Tabulated Test Results Printout for an O C O Operation REV 2 REV 2 8000 USER S MANUAL CONTACT CLOSED RESISTOR CONTACT CLOSED AND OPEN OPENED CONTACT OPEN TIME RESISTOR ON TIME RESISTOR OPEN TIME CT65K13 030902 Figure 27 Graphical Interpretation of an OPEN Timing Shot CONTACT RESISTOR CLOSED CLOSED CONTACT AND RESISTOR OPENED CLOSED RESISTOR CLOSED TIME RESISTOR ON TIME 74 CONTACT CLOSED TIME CT65K14 030902 Figure 28 Graphical Interpretation of a CLOSE Timing Shot CT 8000 USER S MANUAL REV 2 CONTACT LLI DEAD TIME d CONTACT 2 OPENED TIME O RESISTOR OPENED 5 RESISTOR CLOSED TIME 21 CONTACT CLOSED T
7. 2 or 3 Continue to step d LI CT 8000 USER S MANUAL REV 2 d The following screen will be displayed TRIGGER MODE L INTERNAL TRIGGER EXTERNAL TRIGGER Press the 1 key INTERNAL TRIGGER The following screen will be displayed TIMING MODE 1 OPEN a LIO Press the 1 key OPEN The following screen will be displayed Hold ARM until test completes START to Begin STOP to ABORT Hold down the ARM switch and press the START key The following screen will be displayed TEST IN PROGRESS Hold ARM until test completes Up to 25 seconds Continue to hold down the ARM switch until testing is finished You will be returned to the START UP menu once testing is finished Continue to step h to print the test results The START UP menu will be displayed as shown RUN TEST 03 10 10 GET RSLT 09 04 05 SETUP DIAGNOSTICS Press the 2 key GET RSLT REV 2 8000 USER S MANUAL The following screen will be displayed PRINT TEST RESULTS PLOT FULL CHART PLOT EXPANSION PLOT 0 200M5 Press the 4 key PLOT 200MS The following screen will be displayed DYNAMIC RES PLOT l 0 400 u Ohms 2 D 2000 u Ohms 3 10 2000 SemiLog The Dynamic Resistance graph can be printed with 400 micro ohm linear scale 0 to 2000 micro ohm linear scale or a O to 2000 micro ohm semi log
8. gt oOo 1 325 oa L T I ME cH T IME nS gt aS o 1 Si 4 TA PEARKE TRALEL gt uw ODM HAr IHAL UOL Ta oe IAT CURREEHNT SHOT LENGTH amp 1 E I RES I STOF FAC TA cooler I HTERHKHAL OEL A OEL Aa Z200 m Figure 19 Typical Tabulated Test Results Printout for an O C O Operation CT 8000 USER S MANUAL REV 2 3 3 4 Running CT 8000 s in Tandem Two or more CT 8000 s can be used to time a circuit breaker in cases where more than 6 timing contact channels are required A typical application is to use one CT 8000 with 6 channels CT 8000 6 and one CT 8000 with 3 channels CT 8000 3 to create a 9 contact timing apparatus Use the steps below to configure the CT 8000 s a Connect the CT 8000 6 to phase A and B of the circuit breaker b Connect the CT 8000 3 to phase C of the circuit breaker c Connect the CT 8000 6 s initiate cable to the breaker control circuit This unit will operate the circuit breaker d Connect the CT 8000 3 s external trigger cable to the OPEN coil for the OPEN test and CLOSE coil for the CLOSE test This unit will operate as a slave device e Start running a test from the CT 8000
9. 1 3 CONTACTS CONTACTS Press either the 1 key 3 CONTACTS 2 key 6 CONTACTS to select the corresponding number of contact channels REV 2 8000 USER S MANUAL e The following screen will be displayed Select the number of transducer channels by pressing either the 1 2 or 3 key The configuration information will be saved and you will be returned to the START UP menu CT 8000 USER S MANUAL REV 2 3 2 8 Configuring the Contact Filter Settings Although the CT 8000 automatically detects the contact time using its own algorithm it also allows the user to enter a custom filter value The value can be between 1 and 300 A filter setting of 1 allows the CT 8000 to pick up the first contact transition time after the resistor contact activity is detected A filter setting of 300 allows the CT 8000 to pick up the last contact transition time after the resistor contact activity is detected Use the steps below to set the contact filter value b Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 4 key DIAGNOSTICS The following screen will be displayed SLOW CLOSE TEST CHECK HOOKUP TEST TRANSDUCER NEXT PAGE Press the 4 key NEXT PAGE The following screen will be displayed 1 PRINT DATA ENCODER FILTER 3 CONTACT FILTER Press the 3 key CONTACT FILTER
10. 1 SECOND lt 416 INSERTION RESISTOR No AT TRIGGER INTERNAL 2 18 Figure 20 Typical Tabulated Test Results Printout for CLOSE Operation CT 8000 USER S MANUAL REV 2 Item Number N FP CQ I 10 11 12 13 14 15 16 17 18 Table 3 Descriptions of Tabulated Test Results Elements Description Test record number and the date and time the test was performed Test record header information Company Station Circuit etc Type of test performed OPEN CLOSE O C C O or O C O Contact channel times shown in milliseconds and cycles Contact channel bounce times shown in milliseconds Contact channel wipe distances in inches Contact delta time in milliseconds This is the difference between the slowest contact time and the fastest contact time Current transformer time in milliseconds and cycles This is the circuit breaker open or close time when using the CT 8000 AC current sensor for on line testing Breaker contact stroke in inches Contact velocity in feet per second Contact over travel distance in inches Contact bounce back distance in inches Contact velocity calculation points DC power supply nominal and minimum voltage if DC power supply was monitored during testing Initiate current Timing shot duration Insertion time if breaker had an insertion resistor or NO if there was no resistor Trigger mode Internal or External i 1
11. REV 2 8000 USER S MANUAL d The following screen will be displayed Press the 1 key WINDOW 1 SEC The following screen will be displayed Press the 1 key INTERNAL TRIGGER The following screen will be displayed Press the 1 key OPEN The following screen will be displayed Hold down the ARM switch and press the START key The following screen will be displayed Continue to hold down the ARM switch until testing is finished You will be returned to the START UP menu once testing is finished LI CT 8000 USER S MANUAL REV 2 REV 2 8000 USER S MANUAL 3 3 2 Timing a CLOSE OPEN Operation Using Contact Channel 1 The CLOSE OPEN operation of a breaker simulates a condition where a breaker is closed fault There are three options when timing a CLOSE OPEN operation 1 Contact 1 CLOSE The CT 8000 will initiate a CLOSE operation The open operation is then initiated after contact channel 1 is closed This option closes simulates the breaker closing on a fault condition in the field 2 Set DELAY A delay from 10 to 500 ms can be set between the CLOSE command and the OPEN command The CT 8000 will initiate the CLOSE operation and start the delay counter The OPEN operation will be initiated when the delay time has elapsed 3 No DELAY Both the CLOSE and OPEN commands are initiated by the CT 8000 simultaneously The OPEN coil is energized
12. STREE LIEL Mimi H S HI DaS 1 OF OFEN LOW 0D OF ZO CLOSE HI CLOSE LO 1074 9 S0 WEL C COIST e AFi APS I iz 00 ms Velocity m m Calculation OFEN SPEEDO ANALYSIS POINTS Formula POINT CONTACT POINT CONTACT PLUS DiD mz CLOSE SFEECO ANALYSIS POINTS POIWT 1 CONTACT CONTACT mirus 010 Figure 37 Typical Breaker Test Plan Printout REV 2 8000 USER S MANUAL 47 63 ms 2 8 3 8 cycles Coll Close Pole A Contact Pole C Contact Contact trovel indication Example of Close Operation Record A Calculation For Contact Closing Velocity UNS V 12 00 b meters second Calculation For Overtravel rebound S 120 0c b millimeters Note a b and may be measured any consistent units Figure 38 Siemens SPS2 121 CLOSE Timing Illustration CT 8000 USER S MANUAL REV 2 20 26 ms 1 2 1 56 cycles 7 OPEN Time Parameters maximum Trip Col N 10 ms 0 6 cycles b Contact travel indication Example of Opening Operation Record Contact Stroke 120mm Transducer Stroke 80mm Calculation For Contact Opening Velocity 12 00 0 meter second Note a b and may be measured in any consistant units Figure 39 Siemens SPS2 121 OPEN Timing Illustration REV 2 8000 USER S MANUAL 4 0 DIAGNOSTICS VERIFICATION AND TROUBLESHOOTING 41
13. The following screen will be displayed Type the desired value using the numeric keypad You can press the CLEAR key to reset the value to 0 000 MM Deg Press the ENTER key to save the new value You will be returned to the START UP menu CT 8000 USER S MANUAL REV 2 3 2 11 Configuring the Resister Type Transducer Settings The CT 8000 provides one channel for a resistor type transducer The transducer must be configured before it can be used with the CT 8000 Up to 9 resistor transducer setups can be stored in the CT 8000 s Flash EEPROM When a resistive transducer is used with the CT 8000 it is shown as transducer 1 on the timing report as shown in Figure 17 Creating a New Resistor Type Transducer Setup Follow the steps below to create a new resistor type transducer setup a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 2 key MEASUREMENT UNITS The following screen will be displayed SELECT UNITS l ENGLISH METRIC 3 ROT 4 RES ENC Press the 4 key RES ENC d The following screen will be displayed RESISTIVE ENCODER 1 CREATE NEW SETUP LOAD SETUP 3 PRINT SETUP DIR Press the 1 key CREATE NEW SETUP REV 2 8000 USER S MAN
14. e Remove the leftover thermal paper roll from the paper holder Unroll the new thermal paper roll e Feed the thermal paper into the slot between the paper pocket and the rubber roller The printer will automatically pull the paper under the thermal head e Place the paper roll into the paper holder e Lift the thermal head and align the thermal paper if necessary e Re install the printer cover REV 2 8000 USER S MANUAL 3 0 OPERATING PROCEDURES 3 1 Cable Connections 3 1 1 Contact Cable Connections A typical contact cable connection to a circuit breaker is shown in Figure 3 Red and black clips are connected across the circuit contact phases A B and C A typical circuit breaker with series contacts is shown in Figure 4 CONTACTS Figure 3 Typical 3 Phase Circuit Breaker Connections CT 8000 USER S MANUAL REV 2 BLACK BLACK CONTACTS Figure 4 Typical Series Circuit Breaker Connections REV 2 8000 USER S MANUAL 3 1 2 Initiate Cable Connections The CT 8000 can trip or close breakers through a solid state device operating on any AC or DC control voltage ranging from 10 to 300 Volts Both the trip and close circuits are protected by 5 Ampere fuses A typical DC trip and DC close control circuit connection is shown in Figure 5 A typical DC trip and AC close control circuit connection is shown in Figure 6 Positive Trip Circuit WHITE GREEN gt CLOSE OPEN G
15. 2 Setting the Clock To set the CT 8000 s internal clock a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed SHOT DESCRIPTION NUMBER OF CHANNELS SET DATE amp TIME NEXT PAGE Press the 3 key SET DATE amp TIME d The following screen will be displayed ENTER MM DD YY HH MM SS Enter the month date time hours minutes and seconds in 24 hour format using the alpha numeric keypad When the last digit is entered the clock will be set and you will be returned to the START UP menu REV 2 8000 USER S MANUAL 3 2 3 Configuring the Automatic Printing Feature The CT 8000 can be configured to print graphs and tabulated results automatically after each test To configure the automatic printing feature a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE e NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed SHOT DESCRIPTION NUMBER OF CHANNELS SET DATE amp TIME NEXT
16. 3 using the EXTERNAL TRIGGER option f Run atest from the CT 8000 6 using the INTERNAL TRIGGER option The CT 8000 6 will operate the circuit breaker and start the timing sequence The CT 8000 3 will start its timing sequence as soon as it senses the voltage applied to the breaker coil The timing report of the CT 8000 6 will show the contact time of phase A and B The timing report of the CT 8000 3 will show the contact time for phase C If the results are downloaded to a PC using the included software the two reports can be combined to generate a 9 channel test report REV 2 8000 USER S MANUAL 3 3 5 Printing or Viewing Timing Results Follow the steps below to print or view the timing results after performing a circuit breaker timing test a After performing a timing test you will be returned to the START UP menu RUN TEST 03 10 10 e GET 09 04 05 SETUP DIAGNOSTICS Press the 2 key GET RSLT b The following screen will be displayed l PRINT TEST RESULTS PLOT FULL CHART 3 PLOT EXPANSION 4 PLOT 0 COOMS 1 PRINT TEST RESULTS Press the 1 key to view the test results on the screen or to print the tabulated test results WITHOUT the graph The following screen will be displayed SELECT PRINTER 1 THERMAL PRINTER DISPLAY RESULTS Press the 1 key THERMAL PRINTER to print the tabulated test results on the built in thermal printer The tabulated results will be printed
17. 50O ir 54 20195 60 292 80 17 57 OE CONTACT DERFD TIME CH TIME cms gt 22756 eo 15 41 258 10 15 49 15 77 39 TO PEAK lt i gt Ti or 21 NOMINAL VOLTAGE MALTS MINIMUM VOLTAGE VOLTS INITIATOR CURREHT 0S r AMPS SHOT LENGTH 1 SECOND INSERTION RESISTOR TRIGGER INTERNAL DEL 100 mz ITE Model 14 4K Circuit Breaker OPEN CLOSE Tabulated Report CT 8000 USER S MANUAL REV 2 5 2 APPENDIX B Siemens TCP Breaker Velocity Calculation 47 65 ms _2 8 3 8 cycles Close Coil Pole Contact 10 ms 0 6 cycles Contact travel indication of Close Operation Record Contact Stroke 120 mm Transducer Stroke 80mm Calculation For Contact Closing Velocity 12 00 6 meters second Calculation For Overtravel rebound S 120 0c b millimeters Note a b and may be measured in any consistent units REV 2 8000 USER S MANUAL 5 3 APPENDIX C Siemens SPS2 Breaker Velocity Calculation 20 26 ms 1 2 1 56 cycles moximum Trip Cot LI LIN in Contact travel indication Example of Opening Operation Record Contact Stroke 120mm Calculation tor Contact Opening Velocity 12 00 0 meter second Note a b and may be measured in any consistant units Transducer Stroke 80mm CT
18. ANAL TS I Sas gt A i 4 Se OD d HiO TEL WO T AGE Mes INIT I ATORE LENS THe i SECOND INSERT ION HA TAI INTERNAL Figure 14 Typical 60 Hz Tabulated Test Results T CT 8000 USER S MANUAL REV 2 3 2 7 Configuring the Channel Settings The CT 8000 is available with 3 or 6 contact inputs Since most common timing applications require the use of only 3 contact timing channels and one travel transducer channel there is no need to print data for more than 3 timing channels and one transducer channel on the graphic and tabulated reports The CT 8000 s is configured to print 3 contact channels by default channels 1 2 and 3 and one transducer channel transducer channel 1 The default settings can be changed using the steps below a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed SHOT DESCRIPTION NUMBER OF CHANNELS SET DATE amp TIME NEXT PAGE Press the 2 key VUMBER OF CHANNELS d The following screen will be displayed NUMBER OF CHANNELS
19. I3 A m w D 100 Y TTT H t H 2 H t H 2 4 H 2 2 Figure 24 On Line Test Graphic Report Y ll 50100 4100 O D 2 0 5 5 5 D dw C gu m E M A T a 2 E a a E a a L b a a a a WN Figure 25 Typical O C O Test Results Graph lt lt gt 2 cc LLJ Un e 09 UO gt LLJ cc CT 8000 USER S MANUAL 60 SHar ic DATE rio T IME 14 LIA I OHH a OMT ae I O Ir ACI I T rir Monel s CT 80 0O00 Sis ocu ERAT O He TEST ncurpBEFRGI CL DzEE EDFEEkF CONTACT OFEN T IME Sud T nS gt Fo IL ro gt C to LES Lea lc Cont AST RECLOSE T I ME T IME lt gt 060 45 4oe i1 gt 407 65 CLES E DL I p E n gt gt 4 So 1 C LIEbATY amp 3CC T T IME TIME CYCLES BOUNCE n gt gt 4 440 So e Sea
20. LIST OF FIGURES Figure 1 CT 8000 Controls and Indicators 2 6 Figure 2 CT 8000 Operating Voltage Setting 5 20 1 10 8 Figure 3 Typical 3 Phase Circuit Breaker Connections 10 Figure 4 Typical Series Circuit Breaker 5 11 Figure 5 Typical DC Trip and DC Close Control Circuit Connection 12 Figure 6 Typical DC Trip and AC Close Control Circuit 13 Figure 7 Typical Analog and Digital Voltage Monitoring 14 Figure 8 Typical External Trigger Input Cable 5 15 Figure 9 Typical Digital Transducer Connection 4 80 00 16 Figure 10 Typical Resistor Type Transducer 4 17 Figure 11 Typical Contact Resistance Cable Connection 18 Figure 12 AC Current Sensor Connection 19 Figure 13 Typical 50 Hz Tabulated Test 15 32 Figure 14 Typical 60 Hz Tabulated Test 15 32 Figure 15 Contact Filter Setting Illustrations 36 Figure 16 Sample Resistor Type Transducer Setup Directory
21. TIME OS 1759 751 ae hH G P e FD STAT Tors OMT ex I O circuit T 1 ITE a ist 5 4 1 lI OFERA T OOF a Hear TEST STATIC RES TEST TEST AMNr gt RES I STANCE S u OnM gt Figure 30 Typical Static Resistance Test Report REV 2 8000 USER S MANUAL 3 9 Performing a Dynamic Resistance Test The Dynamic Resistance Test can graph the circuit breaker contact resistance during the circuit breaker operation and can help detect circuit contact problems during operation Follow the steps below to perform a Dynamic Resistance Test a Start from the START UP menu e RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 1 key RUN TEST b The following screen will be displayed 1 TIME BREAKER STATIC RES TEST 3 DYNAMIC RES TEST Press the 3 key DYNAMIC REST TEST c The following screen will be displayed INSERTION RESISTOR l NO YES 1 NO Press the 1 key if you are timing a circuit breaker without insertion resistors Continue to step d 2 YES Press the 2 key if you are timing a circuit breaker with insertion resistors The following screen will be displayed RESISTOR VALUE 1 LESS THAN 1000 OHM 1000 to 2000 OHM MORE THAN 2000 OHM Select the resistance value by pressing the corresponding key 1
22. The following screen will be displayed ENTER FILTER SETTING 2 300 CURRENT SETTING NEW SETTING Type the new filter value using the numeric keypad and then press the ENTER key The contact filter value will be set and you will be returned to the START UP menu REV 2 8000 USER S MANUAL CONTACT CLOSED RESISTOR CLOSED CONTACT AND RESISTOR OPENED 1 CLOSED Filter Setting 1 will select this contact time 70719 65 2 CONTACT CLOSED RESISTOR CLOSED CONTACT AND RESISTOR OPENED CLOSED Filter Setting 300 will select this contact time 070719CT65K2 CONTACT CLOSED RESISTOR CLOSED OPEN CONTACT AND RESISTOR OPENED Filter Setting 1 will select this contact time 070719CT65K1 CONTACT CLOSED RESISTOR CLOSED OPEN CONTACT AND RESISTOR OPENED Filter Setting 300 will select this contact time 070719CT65K1 Figure 15 Contact Filter Setting Illustrations i CT 8000 USER S MANUAL REV 2 3 2 9 Configuring the Transducer Encoder Filter Setting In a typical 1 second timing record the CT 8000 records 20 000 data points for each of the contact channels digital transducer channels voltage input channels CT channel DCR channel resistor transducer channel and initiate current channel In most circuit breaker timing applications the breaker activities end after 200 milliseconds A common problem found in the field is
23. Vista based Breaker Analysis software application is provided with each unit Using this software circuit breakers can be timed from the PC Test records can be retrieved from the CT 8000 and then stored on the PC for future analysis and report generation Circuit breaker test plans can also be created on the PC and transferred to the CT 8000 Additionally test records can be exported in Microsoft Excel format for further analysis User Interface The CT 8000 features a back lit LCD screen 20 characters by 4 lines that is viewable in both bright sunlight and low light levels A rugged 16 key membrane keypad is used to control the unit Built in Thermal Printer The CT 8000 s built in 4 5 inch wide thermal printer can print the breaker contact analysis results in both tabular and graphic formats 1 2 Furnished Accessories The CT 8000 comes furnished with the following e 1Ground Cable e 1Power Cord e Contact Cables 3 for model CT 8000 3 6 for model CT 8000 6 e Contact Extension Cables 3 for model CT 8000 3 6 for model CT 8000 6 e 1 Cable e Voltage and Trigger Leads e 3 Voltage and Trigger Extension Cables e 1 Current Sensor e 1 Resistor Type Transducer Cable e 2 Micro Ohm Meter Current Cables e 2 Meter Sense Cables e 1 Initiate Cable e 1 USB Cable e 1RS 232C Cable e Cable carrying bag CT 8000 USER S MANUAL REV 2 1 3 Technical Specifications Table 1
24. coil current waveform duration effectively a performance fingerprint or current profile can be used as a diagnostic tool for analyzing a breaker s performance Breaker Stroke and Velocity Three digital travel transducer channels are available on the CT 8000 for measuring circuit breaker velocity stroke over travel and bounce back Unlike other transducer types the digital transducer requires neither calibration nor setup A breaker s contact velocity is calculated based on the contact s travel distance over a period of time A special feature is also available to slow close test a breaker and obtain a test result report Dynamic Contact Resistance Using a 200 ampere built in DC power supply the CT 8000 can also perform dynamic resistance tests One channel is available for performing a dynamic contact resistance test The resistance measuring range is from 1 micro ohm to 1 999 micro ohms Using this test the contact resistance can be monitored during circuit breaker operation This important feature can help detect circuit breaker contact erosion or other contact problems that cannot be detected in static resistance tests The CT 8000 can also be used as a 200 ampere micro ohmmeter to test circuit breaker contact resistance and bus connections or can be used for other applications where a low resistance measurement is required Resistor Type Transducer Input One resistor type input channel is also available on the CT 8000 T
25. encoder data after this time CT 8000 USER S MANUAL REV 2 3 2 10 Configuring the Digital Rotary Transducer Settings A rotary transducer requires the user to enter the defined linear distance in millimeters or inches per one degree of rotary motion Follow the steps below to configure the settings for a digital rotary transducer a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 2 key MEASUREMENT UNITS The following screen will be displayed SELECT UNITS l ENGLISH METRIC ROT ENC ENC Press the 3 key ROT ENC d The following screen will be displayed ROTARY ENCODER l ENGLISH In deg METRIC MM deg 1 ENGLISH In deg Press the 1 key to enter the rotary encoder linear distance per degree using English units The following screen will be displayed INCHES DEGREE 5 535 In Deg Type the desired value using the numeric keypad You can press the CLEAR key to reset the value to 0 000 In Deg Press the ENTER key to save the new value You will be returned to the START UP menu REV 2 8000 USER S MANUAL 2 METRIC MM deg Press the 2 key to enter the rotary encoder linear distance per degree using Metric units
26. linear scale 77 Figure 32 Dynamic Resistance Graph 0 2000 micro ohm linear scale 77 Figure 33 Dynamic Resistance Graph in Semi Log Scale 78 Figure 34 Sample Test Record Directory 81 Figure 35 Typical Test Results Printout with Pass Fail Indicators 89 Figure 36 Typical Test Plan Directory Printout 4 0400 0 91 Figure 37 Typical Breaker Test Plan 93 Figure 38 Siemens SPS2 121 CLOSE Timing 94 Figure 39 Siemens 5 52 121 OPEN Timing 95 Figure 40 Typical Slow Close Test Results 97 Figure 41 Partial Data Points Printout aeiarudcdenrio es wp 101 22 0 CT 8000 USER S MANUAL REV 2 CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions A key or switch on the CT 8000 is indicated as KEY and SWITCH Menu options are referenced as MENU OPTION Screen and menu names are referenced as SCREEN MENU NAME The terms test record and test shot are used interchangeably CT 8000 LCD screen o
27. vanguard instruments com Copyright 2010 by Vanguard Instruments Company Inc CT 8000 User s Manual e Revision 2 0 e April 1 2010 e TA
28. when the OPEN auxiliary switch makes Follow the steps below to time a CLOSE OPEN operation a Start from the START UP menu 1 RUN TEST 04 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 1 key RUN TEST b The following screen will be displayed 1 TIME BREAKER STATIC RES TEST 3 DYNAMIC RES TEST Press the 1 key TIME BREAKER c The following screen will be displayed INSERTION RESISTOR l NO YES Press the 1 key NO LIU 0 CT 8000 USER S MANUAL REV 2 d The following screen will be displayed TIMING WINDOW WINDOW l SEC WINDOW LO SEC 3 WINDOW 20 SEC Press the 1 key WINDOW 1 SEC The following screen will be displayed TRIGGER MODE INTERNAL TRIGGER EXTERNAL TRIGGER Press the 1 key INTERNAL TRIGGER The following screen will be displayed TIMING MODE 1 OPEN CLOSE 4 C 0 5 0 C 0 Press the 4 key C O REV 2 8000 USER S MANUAL g The following screen will be displayed C 0 Second Trigger Contact 1 CLOSE 1 Net DELAY 3 No DELAY 1 Contact 1 CLOSE Press the 1 key if you would like the open operation to be initiated after contact channel 1 is closed Continue to step h 2 Set DELAY Press the 2 key to set a delay time between the CLOSE command and the OPEN command The following screen will be displayed C 0 Delay in mS 10 500
29. 00 can initiate the breaker operation and perform a timing test on the following operations e OPEN e CLOSE OPEN CLOSE CLOSE OPEN e OPEN CLOSE OPEN The CT 8000 can start the OPEN CLOSE operations without a delay or by using a programmable delay between the OPEN and CLOSE commands The CLOSE OPEN operation can be started by the CT 8000 using several options e Contact 1 CLOSE The CT 8000 can initiate a CLOSE command and then an OPEN command after detecting the closing of the breaker s contact The CT 8000 detects the closing of the contact through contact channel 1 This option is recommended for the CLOSE OPEN operation since it truly represents when the circuit breaker closed and then opened e Set DELAY The CT 8000 can initiate a CLOSE command and then an OPEN command after a programmable delay set in milliseconds DELAY The CT 8000 can initiate a CLOSE command and then an OPEN command without any delay Since the circuit breaker is in the OPEN state the breaker s 52B contact allows the CLOSE coil to be energized which can start the CLOSE command When the circuit breaker is making the transition from an OPEN state to a CLOSE state the 52A contact will close allowing the breaker to initiate the OPEN command The OPEN CLOSE OPEN operation can be initiated by the CT 8000 by using a programmable delay between each of the operations The delays can be set between the OPEN to CLOSE commands and between the CL
30. 1 MM UOLT 1 622 INCHES UOLT Figure 16 Sample Resistor Type Transducer Setup Directory 20 CT 8000 USER S MANUAL REV 2 BREAKER TIMING RESULTS 60 Hz SHOT NUMESeE Fs ro 1 DODATE OSa lt 1 gt F cEmMYWM UANGUJARDO STAT X Cras CIRCUIT 3 2253 Fs E TE MODEL SANs 2345 OFERATOR HAI CONTACT T IME CH TIME E 4 I FE lt m3 gt lt m3 gt lt im gt 1 A 1 PO gt SO OS 3235 ae CQ 1 c 42 075 SS DE L T c T IME lt mS gt s _ SO CT CHANNEL ANALYS I T IME CYCLE lt mS gt O OO lt OO Resistive Type TRAVEL ANAL YSI STROKE in lt lt gt od A em Transducer Indicator D3 tsE F TFZEAXLIE L in OO BOUNCE BACK i o oo RESIST IUE ANALOG EFICDDE F SPEEDO ANALYYSI Ss POINT 1 OQO POINT 2 TUS OO im NOMI NA DE Tce MINIMUM INITIATOR CURREHKNT SHOT L EFCTIEEs 1 SECONO INSERT I ON RESI STOR mo TRIGGER INTERN Figure 17 Sample Timing Report Using a Resistor Type Transducer REV 2 8000 USER S MANUAL 3 3 Performing Circuit Breaker Timing Tests The CT 80
31. 15 31 5 Digital Transaucer 5 lt tackles tee 16 3 1 6 Resistor Type Transducer CONNECTION ccccceecccesccceneccesecceececceceeenceceueesseeeeeass 17 3 1 7 Meter 18 3 1 8 On line Test AC Current Sensor Connection 19 dE SOLU 20 3 2 1 Entering Test Record Header Information eese 20 522 e EN 23 3 2 3 Configuring the Automatic Printing 24 2204 Setting the Units OF MIeSSUFRE catre reci nb 25 3 2 5 Setting the Open Timing Analysis 5 2 26 3 2 6 Selecting the Contact Cycle Reading 30 3 2 7 Configuring tne Channel 33 3 2 8 Configuring the Contact Filter Settings emnes 35 3 2 9 Configuring Transducer Encoder Filter Setting 2 2 7 37 3 2 10 Configuring the Digital Rotary Transducer 02 2 2 2 39 3 2 11 Configuring the Resister Type Transducer Settings 41 3 3 Performing Circuit Breaker Timing 02 0000000 48 3 3 1
32. 8 and Figure 19 for a sample O C O test results graph and tabulated test results printout respectively 50100 500 0 2 e ag 2 0 0 UE D GE e XM C dw o gu m M A T a 2 E a a E a a L b a a a a WN N gt LLJ cc lt lt gt 2 cc LLJ Un e e e 09 Q Figure 18 Typical O C O Test Results Graph REV 2 8000 USER S MANUAL 60 SHOT F ALIrEz E FSE GOAT D2 1 F 1 T IME its Lm COM E I OHH a Ir ACI I T rir Fa LW i O0 gt O He TEST ncurpBEFRGI CL DzEE EDFEEkF CONTACT OFEN T IME Sud OHT 1 S000 Dnr C nS gt Fo IL ro gt C to LES Lea lc Cont AST RECLOSE T I ME T IME lt gt 060 45 4oe i1 gt 407 65 CLES E DL I p E n gt gt 4 So 1 C LIEbATY amp 3CC T T IME TIME n gt gt 4 440 So e Sea a LER CONTACT T I ME TINE nS gt 4 FS 265 45 i 1 SS n gt
33. 8000 USER S MANUAL REV 2 APPENDIX D CT 8000 Test Plan for Siemens SPS2 TEST PLAN NUMBER 1 SPS2 1214 emen PHA s Cre HIH LIM ims gt CH d C D LD U0C FARAS L Mas mmo 2 RESISTOR Dri TIrdE PARAMETERS OFE rH CLOSE MAn mS gt ooo cuo MIH lt gt oom Ooo DELTA LIM ms gt como 200 0 0 PARAMS LIVE MAS mS 2 mmm Cu PARAMETERS STRE LIEL m rm aS OFEN HI OSS 1 OF OFEN LOW OF So CLOSE HI 025S 1 CLOSE LO ores So LEL aril APS 2A STROKE J 12 00 Ms zSF EED ANALYSIS PAINTS 1 CONTACT POINT CONTACT FLuz Did ms CLOSE SFEECO YSIS POINTS POIWT 1 CONTACT REV 2 8000 USER S MANUAL 5 5 APPENDIX E CT 8000 Transducer Illustrations Rotary Transducer on Alsthom HE 1014 Circuit Breaker CT 8000 USER S MANUAL REV 2 Rotary Transducer on Federal Pacific Circuit Breaker REV 2 8000 USER S MANUAL Resistor Transducer on Vacuum Circuit Breaker Vanguard Instruments Company Inc 1520 S Hellman Ave e Ontario CA 91761 e USA Phone 909 923 9390 e Fax 909 923 9391 www
34. CT OPEN CONTACT 3 OPEN LIFT TO CLS BRKR NOU Manually start closing the breaker 1 00 CT 8000 USER S MANUAL REV 2 e The following screen will be displayed Finish closing the breaker manually and then press the ENTER key The test results will be printed and you will be returned to the START UP menu A typical test results printout is shown in Figure 40 BREAKER TIMING RESULTS 50 Hz SHOT HUMBER 1 2 63 TIME 41 So COMPANH STATION CIRCUIT Fe MODEL s OFERATOF s TEST SLOW CLOSE WIPE S6 CH oS 41 inm in 5 Figure 40 Typical Slow Close Test Results Printout REV 2 8000 USER S MANUAL 4 2 Performing a Transducer Self Test You can check the transducer electronics by connecting the transducer to the CT 8000 and running a transducer self test using the instructions below a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 4 key DIAGNOSTICS b The following screen will be displayed 1 SLOW CLOSE TEST CHECK HOOKUP 3 TEST TRANSDUCER 4 NEXT PAGE Press the 3 key TEST TRANSDUCER c The following screen will be displayed TRANSDUCER TEST l 0 00 IN 000 0 2 0 00 IN 000 0 2 0 00 IN 000 0 Move the transducer slider to a k
35. CT 8000 Technical Specifications TYPE PHYSICAL SPECIFICATIONS INPUT POWER DRY CONTACT INPUT TIMING WINDOWS TIMING RESOLUTIONS TIMING ACCURACY CONTACT DETECTION RANGE RESISTOR DETECTION RANGE CT CURRENT SENSOR TRIGGER INPUT VOLTAGE VOLTAGE SENSING INPUT RANGE BREAKER OPERATIONS BREAKER INITIATE CAPACITY INITIATE CURRENT READING RANGE TRAVEL TRANSDUCER INPUTS CONTACT TRAVEL POINT DIFFERENCE DYNAMIC STATIC RESISTANCE RANGE RESISTANCE TEST CURRENT RESISTOR TYPE TRANSDUCER INPUT DISPLAY PRINTER INTERNAL TEST RECORD STORAGE COMPUTER INTERFACES PC SOFTWARE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX OPTIONS WARRANTY Portable circuit breaker analyzer 16 W x 11 H x 14 D 40 6 cm x 29 9 cm x 35 6 cm Weight 25 Ibs 11 3 kg 100 120 Vac or 200 240 Vac selectable 50 60Hz 3 or 6 dry input channels depending on model Each channel detects main and insertion resistor contacts 1 second 10 seconds or 20 seconds 50 micro seconds 1 second duration 50 5 milliseconds 10 second duration 1 00 milliseconds 20 second duration 0 05 of reading 50 micro seconds 1 second duration Closed less than 20 ohms Open greater than 5 000 ohms 50 5 000 Ohms One non contact 0 100 Amperes Open Close 30 300V DC or peak AC V1 analog input 0 255V DC or peak AC Sensitivity 1V V2 voltage presence absence detector input 30 300 DC or peak AC Initiate Op
36. D D D a i 1 b a 1 D jauueyD 8 Sojeuy Figure 21 Typical Test Results Graph _ lt lt gt 2 cc LLJ N e 09 UO gt LLJ cc W 3 E gt LLJ cc lt lt gt 2 cc LLJ Un e e e 09 Q Figure 22 Expansion Graph from 0 5 to 300ms REV 2 8000 USER S MANUAL BREAKER TIMING RESULTS 60 Hz SHOT NUMBER 1 DATE os 22 0 um Brad TIME 15s 29a 1 FF STAT coors rir rs MODEL OPERATOR TIME CH Cw CL E lt gt 1 O OAO OO 3 OUO oOo OO OO CHANNEL ANALYSIS Te ES TIME lt ent On Time cms gt is TRAVEL ANALYS I S STROKE irn 7 5 TRAVEL ExLCJLIFACCE BACK irm SPEED ANALYYSI Sas POINT 1 1 OO i POINT 22 US OO i NAL VO 1 VwoLTS MINIMUM VOLTAGE 1 VoL lt INITIATOR CURREHKNT AMPS SHOT L EFICTIEH 1 SECONDO INSERTION RESI STOF No TRIGGERS NTERHKHAL Figure 23 On Line Timing Test Report Printout CT 8000 USER S MANUAL REV 2
37. E NEXT PAGE Press the 1 key ANALYSIS POINTS c The following screen will be displayed OPEN TIMING CLOSE TIMING PRINT SETTINGS TEST PLANS Press the 4 key TEST PLANS d The following screen will be displayed 1 LOAD TEST PLAN PRINT TEST PLAN 3 PRINT DIRECTORY Press the 2 key PRINT TEST PLAN e The first test plan stored in the CT 8000 s Flash EEPROM will be listed TEST PLAN 01 BZ0 145 20 7 SIEMENS DEMO TEST PLAN 1 You can scroll through the list of test plans by pressing the PAPER Contrast and PAPER v Contrast keys Once you have located the test plan that you would like to print press the ENTER key The test plan will be printed on the built in thermal printer and you will be returned to the START UP menu A sample breaker test plan printout is shown in Figure 37 LIENS 000000 0 CT 8000 USER S MANUAL REV 2 TEST PLAN NUMBER 1 1221 Ed emen a COMTAST T IME S MHA 26 0 mS ozo LIM gt C O 0 C F rFrEPs LIVE Mae mS gt Cun gt oso Oo RESISTOR ON TIME PARAMETERS OFE CL DIEE Pic mS gt mmo Cu lt gt omc c0 o DELTA LIF fms gt omc C LI LI C LIVE LE FD MAS Comm mmm Cu C TRALJEL PARAMETERS
38. IME CONTACT LIVE TIME 2 lt RESISTOR CLOSED TIME CONTACT CLOSED TIME CONTACT OPENED TIME O RESISTOR OPENED TIME 9ts030606 Figure 29 Graphical Interpretations of an OPEN CLOSE and CLOSE OPEN Timing Shot REV 2 8000 USER S MANUAL 3 4 Performing a Static Resistance Test The CT 8000 can also be used as a 200 Ampere micro ohmmeter A typical connection for this application is shown in Figure 11 Follow the steps below to perform a static resistance test a Start from the START UP menu e RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 1 key RUN TEST b The following screen will be displayed 1 TIME BREAKER STATIC RES TEST 3 DYNAMIC RES TEST Press the 2 key STATIC RES TEST c The following screen will be displayed STATIC RES TEST CONNECT DCR CABLES THEN ENTER TO BEGIN Press the ENTER key d The following screen will be displayed momentarily CABLES ENERGIZED Once the test is complete the results will be displayed as shown below TEST COMPLETE 81 u Ohms 205 9 A Press any key to return to the START UP menu You can print the test results using the instructions in section 3 3 5 A typical static resistance report is shown in Figure 30 e CT 8000 USER S MANUAL REV 2 BREAKER TIMING RESULTS 60 Hz SHOT 1 1 707
39. O YES Press the 1 key NO d The following screen will be displayed TIMING WINDOW 1 WINDOW l SEC WINDOW LO SEC 3 WINDOW LOSSEC Press the 1 key WINDOW 1 SEC e The following screen will be displayed TRIGGER MODE INTERNAL TRIGGER EXTERNAL TRIGGER Press the 1 key INTERNAL TRIGGER REV 2 8000 USER S MANUAL f The following screen will be displayed TIMING MODE 1 OPEN CLOSE 3 0 0 5 0 C 0 Press the 5 key O C O The following screen will be displayed 0 C Delay in mS 10 350 COU ENTER when done Using the numeric keypad enter the time for the delay between the first OPEN command and the CLOSE command Press the ENTER key The following screen will be displayed C 0 Delay in mS GT LEE 11 COU ENTER when done Using the numeric keypad enter the time for the delay between the CLOSE command and the second OPEN command Press the ENTER key The following screen will be displayed Hold ARM until test completes START to Begin STOP to ABORT Hold down the ARM switch and press the START key The following screen will be displayed TEST IN PROGRESS Hold ARM until test completes Up to 25 seconds Continue to hold down the ARM switch until testing is finished You will be returned to the START UP menu once testing is finished See Figure 1
40. OSE to OPEN commands CT 8000 USER S MANUAL REV 2 3 3 1 Timing an OPEN Operation The CT 8000 can time breakers with or without insertion resistors The insertion resistance can range from 10 to 7 000 Ohms Any insertion resistance greater than 7 000 Ohms is detected as an open circuit The timing results will show the main contact time and the insertion resistor contact time Graphic reports will show the main contact and the resistor contact activities on each of the channels Use the steps below to time an OPEN operation a When the unit is turned on and the firmware has been loaded you will be presented with the START UP menu as shown below e RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 1 key RUN TEST b The following screen will be displayed 1 TIME BREAKER STATIC RES TEST 3 DYNAMIC RES TEST Press the 1 key TIME BREAKER c The following screen will be displayed INSERTION RESISTOR l NO YES 1 NO Press the 1 key if you are timing a circuit breaker without insertion resistors Continue to step d 2 YES Press the 2 key if you are timing a circuit breaker with insertion resistors The following screen will be displayed RESISTOR VALUE 1 LESS THAN 1000 OHM 1000 to e000 OHM MORE THAN 2000 OHM Select the resistance value by pressing the corresponding key 1 2 or 3 Continue to step d _
41. PAGE Press the 4 key NEXT PAGE d The following screen will be displayed L SET PRINT MODE SET 5 Hz Press the 1 key SET PRINT MODE e The following screen will be displayed SET PRINT MODE l AUTOMATIC PRINT BY REQUEST ONLY Press the 1 key AUTOMATIC PRINT if you would like to automatically print tabulated and graphic results after each test is performed Press the 2 key BY REQUEST ONLY to turn off automatic printing of test results Please see section 3 3 5 for instructions on how to manually print test results DINEM CT 8000 USER S MANUAL REV 2 3 2 4 Setting the Units of Measure The CT 8000 supports and displays both English and Metric calculations You can switch between the English and Metric systems using the steps below a Start from the START UP menu Press the 3 key SETUP b The following screen will be displayed Press the 2 key MEASUREMENT UNITS c The following screen will be displayed 3 ROT ENC 4 RES ENC Press the 1 key ENGLISH or the 2 key METRIC to select the corresponding measurement system The measurement system will be set and you will be returned to the START UP menu REV 2 8000 USER S MANUAL 3 2 5 Setting the Open Timing Analysis Points Two analysis points are used to calculate the velocity of the circuit breaker in the open operation To configure the OPEN timing analysis poi
42. Performing a Slow Close Test The CT 8000 offers a unique Slow Close test feature This test measures the distance a breaker s contact travels from the fully opened position to the point of contact or touch position and the contact wipe or penetration distance The test requires the operator to manually jack the breaker s contact from the fully open position to the fully closed position Contact channels 1 2 and 3 and transducer channel 1 are used for Slow Close testing The CT 8000 measures the contact touch and contact wipe for each contact channel Contact touch is the distance measured from the contact being fully open to the first position where the contact channel is electrically closed Contact wipe or penetration is the distance measured from the contact s first electrically closed position to the final closed latching position Follow the steps below to perform a Slow Close test a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 4 key DIAGNOSTICS b The following screen will be displayed 1 SLOW CLOSE TEST CHECK HOOKUP 3 TEST TRANSDUCER 4 NEXT PAGE Press the 1 key SLOW CLOSE TEST c The following screen will be displayed BRKR SLOW CLOSE TEST RMV CB GND 1 SIDE ENTER TO BEGIN Press the ENTER key to begin the test d The following screen will be displayed CONTACT 1 OPEN CONTA
43. REEN INITIATE INITIATE _ Negative Trip Circuit WHITE GREEN DC CIRCUITS CLOSE INITIATE Figure 5 Typical DC Trip and DC Close Control Circuit Connection CT 8000 USER S MANUAL REV 2 AC WHITE GREEN lt lt CLOSE OPEN INITIATE White GREEN INITIATE AC CIRCUIT DC CIRCUIT cc TC AC CLOSE DC TRIP PORS TUV PAPER Figure 6 Typical DC Trip and AC Close Control Circuit Connection REV 2 8000 USER S MANUAL 3 1 3 Analog and Digital Voltage Monitoring Connections The analog voltage input V1 can monitor a breaker s DC control voltage during an operation The analog voltage input records the nominal DC voltage at no load and the minimum DC voltage while the Trip or Close coil is energized The nominal and minimal voltage readings are printed on a tabulated report and the analog waveforms are plotted in graphical format This allows the user to see the breaker s DC control voltage dip under load conditions and helps detect problems such as a poor connection or an excessive voltage drop during operation Please note that the maximum voltage that can be recorded is 255 Vdc The digital voltage input channel V2 can monitor the voltage status as ON or OFF states The voltage ON or OFF states are plotted on the graphical report Typical analog V1 and digital V2 voltage monitoring connections are shown in Fig
44. RESTORE NEXT PAGE Press the 3 key SAVE RESTORE The following screen will be displayed SAVE SHOT RESTORE SHOT SHOT DIRECTORY ERASE SHOT Press the 2 key RESTORE SHOT The following screen will be displayed ENTER SHOT NUMBER TO BE RESTORED ENTER TO CONFIRM Using the keypad type the record number that you would like to restore If you do not know the record number you can first print a test record directory using the instructions in section 3 6 2 Press the ENTER key A confirmation screen will be displayed with some details about the selected test as shown below RESTORING SHOT 1 TEST STATIC RES DATE 03 11 10 13 cb ENTER TO CONFIRM Press the ENTER key 0 CT 8000 USER S MANUAL REV 2 f The following screen will be displayed Press any key to continue You will be returned to the START UP menu The test record is now loaded in the working memory Please see section 3 3 5 for instructions on how to view or print the test record details REV 2 8000 USER S MANUAL 3 6 4 Deleting Test Records from the Flash EEPROM You can delete one or all test records stored in the CT 8000 s Flash EEPROM To delete test records a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed 1 ANALYSIS POINT
45. S MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE Press the 3 key SAVE RESTORE c The following screen will be displayed SAVE SHOT RESTORE SHOT SHOT DIRECTORY ERASE SHOT Press the 4 key ERASE SHOT d The following screen will be displayed 1 ERASE SHOT ERASE ALL SHOTS 1 ERASE SHOT Press the 1 key if you would like to erase a single shot from the Flash EEPROM The following screen will be displayed ENTER SHOT NUMBER TO BE ERASED ENTER TO CONFIRM Using the numeric keypad type the test record number that you would like to erase If you do not know the record number you can first print a test record directory using the instructions in section 3 6 2 Press the ENTER key I 0 0002 2 CT 8000 USER S MANUAL REV 2 The following confirmation screen will be displayed ERASE SHOT 1 TEST STATIC RES DATE 03 11 10 13 26 ENTER TO CONFIRM Press ENTER to erase the test record If you do NOT want to erase the test record press the STOP key and you will be returned to the START UP menu The following screen will be displayed while the test record is being erased ERASE IN PROGRESS PLEASE WAIT The following screen will be displayed when the test record has been completely erased ERASE COMPLETE Press any key to return to the START UP menu 2 ERASE ALL SHOTS Press the 2 key to erase all test records from the CT 8000 s F
46. S a oS T IME CHAHAHNH HEL AHAL Tine E nS oc oc TEAUEL Saal YS I om ior Cu t lt oc _ om fam ior EK AKNAL vS IS s FO Of OD Hort rial I murs mow EHIETI AT Aare CURRENT SHOT LENS TH E C I HSER I ON RESISTOR HO HTERHAL Figure 13 Typical 50 Hz Tabulated Test Results BREAKER TIMING RESULTS 60 Hz SHOT HUHNE E F oes TE 31 TIME 1L or 3 DUCI FPEM TS OH l T a oa 2 Fs Frequency set to 60 Hz rinbe L mor TOF a Cycle reading at 60 Hz CONTACT T I ME gt i OS 0S IL OS OELTA T IME lt lt rm ST CHKHANN NHEL ANAL YS TIME cycle omm gt Caco C Caco TRALJEL ANAL u E 1 a Of t oO oOo over Te awe lL ir of EHE EH CT ped Los
47. STICS VERIFICATION AND TROUBLESHOOTING eere 96 41 Performing a Slow Close Test errat rad neue E Sue oaa EYE Prec 96 4 2 Performing a Transducer 20 2 0000 98 4 3 Testing the Cable 99 44 Printing Raw Test Record 100 45 Troubleshooting 102 20 APPENDICE T a 104 5 1 APPENDIX A ITE Model 14 4K Circuit Breaker Timing Charts and Reports 104 5 2 APPENDIX B Siemens TCP Breaker Velocity Calculation eese 109 5 3 APPENDIX Siemens SPS2 Breaker Velocity Calculation 110 5 4 APPENDIX D CT 8000 Test Plan for Siemens 5 52 111 5 5 APPENDIX E CT 8000 Transducer 5 4 4 404 22 112 LIST OF TABLES Table 1 CT 8000 Technical 5 5 1 0 00 00 5 Table 2 Functional Descriptions of CT 8000 Controls and Indicators 7 Table 3 Descriptions of Tabulated Test Results 63 REV 2 8000 USER S MANUAL
48. T 8000 The 3 clips are labeled 5V Signal and GND e See section 3 2 11 for resistor type transducer calibration information 5V my SIGNAL RS 232C CT 8000 GND Digital Circuit Analyzer RESISTOR TYPE TRANSDUCER Figure 10 Typical Resistor Type Transducer Connection REV 2 8000 USER S MANUAL 3 1 7 Micro Ohm Meter Connection A typical CT 8000 micro ohm meter for Dynamic Contact Resistance or Static Resistance Test connection to a circuit breaker contact is shown in Figure 11 The CT 8000 is furnished with two 40 foot 4 AWG current cables with quick disconnect alligator clamps and two 40 foot sense cables AN Do not modify the length of the CT 8000 current cables WARNING cT 8000 Degital Circuit Breaker Analyzer Bon 9 Figure 11 Typical Contact Resistance Cable Connection CT 8000 USER S MANUAL REV 2 3 1 8 On line Test AC Current Sensor Connection A typical CT 8000 AC current sensor connection is shown in Figure 12 The non contact AC current sensor must be connected to one of the circuit breaker bushing CT terminals A minimum current of 100 mA is required for the CT 8000 AC current sensor C VL Line CT AC Current Sensor Figure 12 AC Current Sensor Connection REV 2 8000 USER S MANUAL 3 2 3 2 1 Entering Test Record Header Information You can e
49. Timing an OPEN 49 3 3 2 Timing a CLOSE OPEN Operation Using Contact Channel 1 52 3 3 3 Timing an OPEN CLOSE OPEN Operation eee 55 334 Running CI 8000 sin cra 59 3 3 5 Printing or Viewing Timing 00 01 60 34 Performing a Static Resistance 72 35 Performing a Dynamic Resistance 6 2 74 5 6 With Test I IND FIM SUR 79 A CT 8000 USER S MANUAL REV 2 3 6 1 Saving a Timing Record in Flash EEPROM 2 0 0 1 79 3 6 2 Printing a Test Record Directory 14 4 4 4 4 4 80 3 6 3 Recalling a Test Record from the Flash EEPROM 82 3 6 4 Deleting Test Records from the Flash EEPROM 84 37 With 87 3 7 1 Recalling a Breaker Test Plan for 95 00 0 00 0 87 3 7 2 Printing a Directory of Test Plans Stored in the CT 8000 s Memory 90 39 7 92 PURE a Breaker Test 92 4 0 DIAGNO
50. UAL e The following screen will be displayed RESISTIVE ENCODER l ENGLISH CIN Volt METRIC 01 Press the 1 key to enter the transducer travel distance per volt using English units or press the 2 key to enter the transducer travel distance per volt using Metric units The following screen will be displayed MOVE RES ENCODER TO REFERENCE POSITION ENTER TO CONTINUE Move the transducer to the reference position and press the ENTER key The following screen will be displayed MOVE RES ENCODER A KNOWN DISTANCE ENTER TO CONTINUE Move the transducer a known distance and press the ENTER key The following screen will be displayed the units of measure displayed will depend on your choice in step e ENTER THE DISTANCE MOVED IN ENTER TO CONTINUE Using the numeric keypad enter the distance the transducer was moved and then press the ENTER key The following screen will be displayed ENTER SETUP NOTE TO POSITION ENTER TO ACCEPT If you prefer you can enter a note to be associated with the setup using the alpha numeric keypad Press the ENTER key when done typing DEMNM 0 CT 8000 USER S MANUAL REV 2 j The following screen will be displayed Enter a setup number from 1 to 9 using the numeric keypad k The following screen will be displayed Press the ENTER key to save the setup The following screen will be displa
51. UIT 1 SERIAL t OPERATOR TEST 1 STATIC RES TEST NUMBER DATE 03731707 03 59 11 COMPANY t 1 Manufacturer 1 STATION MODEL Model 1 CIRCUIT SERIAL OPERATOR TEST DCR CLOSE SHOT o FIUCIPIESE F DATE 03731707 TIME 03 51 48 COMPANY MFGR Manufacturer 1 STATION 1 MODEL 1 Model 1 CIRCUIT 1 SERIAL OPERATOR TEST DCR O C O SHOT NUMBER DATE 03731707 TIME 1 08 21 31 COMPANY 1 Manufacturer 1 STATION 1 MODEL Model 1 CIRCUIT 1 SERIAL OPERATOR TEST STATIC RES TEST SHOT NUMBER s ro DATE 1 03730707 TIME 1 06 04 31 COMPANY 1 MFGR Manufacturer 1 STATION MODEL Model 1 CIRCUIT 1 SERIRL t OPERATOR TEST DCR CLOSE SHOT WNUMBER lt DATE 1 03729707 TIME 1 10 43 14 COMPANY MFGR s Manufacturer 1 STATION MODEL Model 1 CIRCUIT 1i SERIAL 4 OPERATOR TEST 1 DCR OPEN Figure 34 Sample Test Record Directory Printout REV 2 8000 USER S MANUAL 3 6 3 Recalling a Test Record from the Flash EEPROM Follow the steps below to recall a test record from the CT 8000 s Flash EEPROM d Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE
52. Unauthorized modifications can cause safety hazards and will void the manufacturer s warranty WARNING Do not remove test leads during a test Failure to heed this warning can result in electrical shock to personnel and damage to the equipment REV 2 8000 USER S MANUAL TABLE OF CONTENTS CONVENTIONS USED IN THIS 1 105 MINTER CPG MIS 2 1 1 General Description and Features 2 1 2 PurhishbsdACCOSSDFIOS Ian 4 1 29 Technical SOC CI NIC AIO INS 5 L4 CT 8000 Controls and Indicators 6 20 PRESTESI 8 2 OOO GARIN 218685 8 2 2 LCD Screen Contrast 8 23 Primer raper OnO mmn 9 PE BUS PS o sats nese E 9 20 OPERATING PROCEDURES ES anaes cee 10 31 10 2 1 GontactCable COMME DIDPIS 10 3 52 Initiate Cable 55 Fe Fokus Re suada 12 3 1 3 Analog and Digital Voltage Monitoring 14 3 1 4 External Trigger Input 5 0 1 444 4444 44 44
53. and you will be returned to the START UP menu A typical tabulated results printout is shown in Figure 20 Press the 2 key DISPLAY RESULTS to display the test results on the unit s LCD screen The following screen will be displayed UP DWN ARROWS TO SCROLL RESULTS SSOP TO EXIT Press the PAPER Contrast and PAPER v Contrast keys to scroll through the test results Press the STOP key to return to the START UP menu 2 PLOT FULL CHART 00000 CT 8000 USER S MANUAL REV 2 Press the 2 key to print the tabulated results WITH the full graph of the results You will be returned to the START UP menu when printing is finished A typical test result graph is shown in Figure 21 PLOT EXPANSION Press the 3 key to print the tabulated results along with a time expansion plot of the test results The following screen will be displayed EXPANSION FROM ENTER TO CONFIRM You will be asked to enter the start point for the expansion The start point can be selected in 100 millisecond increments by typing the first digit of the starting time For example to select 500ms simply press the 5 key The screen will be updated as shown EXPANSION FROM 500 ENTER TO CONFIRM Press the ENTER key The following screen will be displayed EXPANSION TO ENTER TO CONFIRM Enter the end point for the expansion by typing the first digit of the 100 millisecond increment F
54. aph 0 2000 micro ohm linear scale REV 2 8000 USER S MANUAL torrens aerem emmer er eo anm mmm nmn S aetema arm 7 7 7 term rre rama rim rtm rennen reram es P toto oon an neri ean nimm mre c e ASTE ts rm snm tt om E Matt nma nm r M X 1 meree 1 a D 1 D 1 1 a rman n TTT 1 D meneame Kes 133352155 22 LESTER LEE 3 4 9 8 m 9 w m mu m m w s i i Figure 33 Dynamic Resistance Graph in Semi Log Scale CT 8000 USER S MANUAL REV 2 3 6 Working with Test Records 3 6 1 Saving a Timing Record in Flash EEPROM After performing a test you can store the results in the CT 8000 s Flash EEPROM To save a test
55. application Voltage levels ranging from 30 to 300 V dc or peak ac 5 pin connector AC current input channel Detects CB load current for Quick Shot application 200A Micro Ohm Meter current output terminals Micro Ohm Meter sense inputs Safety ground terminal Power plug and power switch Built in 12 Ampere circuit breaker 5 pin connector Resistor type transducer input 4 pin connector used for the switching circuit for operating the circuit breaker under test Open circuit fuse 5 Ampere 250V Fast Blow Close circuit fuse 5 Ampere 250V Fast Blow Built in 4 5 inch wide thermal printer Spring loaded pushbutton switch Press and hold to complete the Trip or Close circuits for breaker tests Rugged alpha numeric membrane keypad Back lit LCD screen 20 characters by 4 lines viewable in bright sunlight and low light levels RS 232C serial computer interface port USB computer interface port Female connectors for the contact channels REV 2 8000 USER S MANUAL 2 0 PRE TEST SETUP 2 1 Operating Voltages The CT 8000 s operating voltage is selectable between 110 120 Vac 50 60 Hz and 220 240 Vac 50 60 Hz Operating voltage is set by the voltage selection switch as shown in Figure 2 To change the voltage setting remove the CT 8000 from its enclosure locate the voltage setting switch on the right side of the unit and set the new operating voltage Figure 2 CT 8000 Operating Voltage Sett
56. be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 1 key ANALYSIS POINTS The following screen will be displayed OPEN TIMING CLOSE TIMING PRINT SETTINGS TEST PLANS Press the 4 key TEST PLANS The following screen will be displayed 1 LOAD TEST PLAN PRINT TEST PLAN 3 PRINT DIRECTORY Press the 3 key PRINT DIRECTORY The test plan directory will be printed on the built in thermal printer and you will be returned to the START UP menu A sample test plan directory is shown in Figure 36 CT 8000 USER S MANUAL REV 2 TEST PLAN DIRECTORY TEST 1 BREF BREF i emen CDrrEr4T 2 TEST PLAH BRERA BREF MF 1 1 4 m COMMEWTS BRER C CH 553 BRER Me I SOH COMMENTS Figure 36 Typical Test Plan Directory Printout REV 2 8000 USER S MANUAL 3 3 Printing a Breaker Test Plan Follow the steps below to print a breaker test plan stored in the CT 8000 s Flash EEPROM a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTOR
57. d 1 SHORT DIRECTORY FULL DIRECTORY Press the 1 key SHORT DIRECTORY to print a directory of the last ten shots stored in the EEPROM The short directory will be printed and you will be returned to the START UP menu Press the 2 key FULL DIRECTORY to print a directory of all the shots stored in the EEPROM The full directory will be printed and you will be returned to the START UP menu A sample shot directory is shown in Figure 34 LIUM o CT 8000 USER S MANUAL TIMING SHOT ABBREVIATED DIRECTORY SHOT NUMBER DATE 1 05711707 TIME 09 39 19 COMPANY VANGUARD MFGR 1 ITE STATION ONTARIO MODEL 1 14 4KU CIRCUIT 123 SERIAL 12345 OPERATOR HAI TEST 1 OPEN SHOT NUMBER x wre DATE 05 11 07 09 16 39 COMPANY VANGUARD MFGR s ITE STATION ONTARIO MODEL 1 14 4KU CIRCUIT 3 123 SERIAL 12345 OPERATOR HAI TEST 1 OCR OPEN SHOT re MUMbeEe Fs DATE 1 05711707 TIME 1 09 15 51 COMPANY VANGUARD MFGR ITE STATION ONTARIO MODEL 1 14 4KU CIRCUIT 123 SERIAL 1 12345 OPERATOR HAI TEST 1 STATIC RES TEST SHOT NUMBER r DATE 1 05 11 07 TIME 1 09 09 49 COMPANY VANGUARD MFGR 1 ITE STATION ONTARIO MODEL 14 CIRCUIT 1 123 SERIAL 12345 OPERATOR HAI TEST s CLOSE wt HUMBER DATE 04715707 TIME 1 10 19106 COMPANY 1 MFGR Manufacturer 1 STATION MODEL 1 Model i CIRC
58. en Close Open Close Close Open Open Close Open 25A 250Vac dc max 100A Inrush One non contact Hall effect sensor 0 20 amp range dc to 5Khz 3 digital travel transducer channels Linear range 0 0 30 0 in 0 01 in Rotary range 0 360 degrees 0 36 degrees Measures slow close contact point distances results can be printed 0 1 1 999 micro ohms Accuracy 2 of reading 5 micro ohms 200 Amperes typical 200 Ohms 10K Ohms Back lit LCD Screen 20 characters by 4 lines viewable in bright sunlight and low light levels Built in 4 5 inch wide thermal printer can print both graphic contact travel waveforms and tabulated test results Stores up to 150 test records and 99 test plans One RS 232C port One USB port Windows XP Vista based Breaker Analysis software is included with purchase price Designed to meet UL 6101A 1 and CAN CSA C22 2 No 1010 1 92 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to fully safety specifications Transportation case available for the CT 8000 and the travel transducers One year on parts and labor REV 2 8000 USER S MANUAL 1 4 8000 Controls and Indicators The CT 8000 s controls and indicators are shown in Figure 1 below A leader line with an index number points to each control and indicator which is cross referenced to a functiona
59. his input channel allows the unit to measure circuit breaker motion by directly interfacing with resistive type transducers The transducer resistance ranges from 200 ohms to 10K Ohms Breaker Initiate Features A built in solid state initiate device is used to operate a breaker from the CT 8000 The operational modes include Open Close Open Close Close Open and Open Close Open Multiple operations such as Open Close and Open Close Open can be initiated by using programmable delay time or by sensing a breaker s contact condition Internal Test Record Storage The CT 8000 can store up to 150 test records in Flash EEPROM Test records can be retrieved and printed on the built in thermal printer or they can be transferred to a PC via the unit s RS 232C or USB interface Internal Breaker Test Plan Storage The CT 8000 can store up to 99 circuit breaker test plans Test plans are comprised of all circuit breaker performance specifications stroke velocity and contact time A test plan can be used to immediately test a circuit breaker A pass fail report is then generated by comparing actual performance with the specifications in the stored test plan Test plans can also be generated on a PC and transferred to the CT 8000 via the unit s RS 232C or USB interface 200 REV 2 8000 USER S MANUAL Computer Interface The CT 8000 can be computer controlled via its RS 232C or USB interface A Windows XP
60. ing the steps below a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed SHOT DESCRIPTION NUMBER OF CHANNELS SET DATE amp TIME NEXT PAGE Press the 4 key NEXT PAGE d The following screen will be displayed 1 SET PRINT MODE SET 50 60 Hz Press the 2 key SET 50 60 Hz e The following screen will be displayed SET 50 Hz Net b Hz Press either the 1 key SET 50 Hz or the 2 key SET 60 Hz to set the frequency to the corresponding value 0 0 CT 8000 USER S MANUAL REV 2 f The following confirmation screen will be displayed Press any key to return to the START UP menu Sample tabulated test results are shown in Figure 13 and Figure 14 REV 2 8000 USER S MANUAL BREAKER TIMING RESULTS 50 Hz SHOT F Loi T I m Te OTs Z1 a OF CoM Ak TERT ors TELF Cie Cui Mere Frequency Set to 50 Hz Hoa E L S He T O F Cycle reading at 50 Hz T I ME H Tine C E rr 1 aa o
61. ing Switch 2 2 LCD Screen Contrast Control To increase the LCD screen contrast press and hold the PAPER Contrast key for two seconds Release the button when the desired contrast level has been reached To decrease the LCD screen contrast press and hold the PAPER v Contrast key for two seconds Release the button when the desired contrast level has been reached o CT 8000 USER S MANUAL REV 2 2 3 Printer Paper Control To advance the thermal printer paper press and release the PAPER Contrast key To retract the thermal printer paper press and release the PAPER v Contrast key 2 4 Printer Paper The CT 8000 s built in thermal printer uses 4 5 inch wide thermal paper for printing test results To maintain the highest print quality and to avoid paper jams the use of thermal paper supplied by Vanguard Instruments Company is highly recommended Additional paper can be ordered from the following sources Vanguard Instruments Co Inc 1520 S Hellman Avenue Ontario CA 91761 Tel 909 923 9390 Fax 909 923 9391 Part Number VIC TP 4 paper BG Instrument Co 13607 E Trent Avenue Spokane WA 99216 Tel 509 893 9881 Fax 509 893 9803 Part Number VIC TP 4 paper 2 5 Replacing the Thermal Printer Paper The roll of thermal paper is housed inside a dispenser underneath the printer cover To replace the paper follow the steps below e Unscrew the two large printer cover screws and remove the printer cover
62. l description in Table 2 The table describes the function of each item on the control panel The purpose of the controls and indicators may seem obvious but users should become familiar with them before using the CT 8000 Accidental misuse of the controls will usually cause no serious harm Users should also be familiar with the safety summary found on the front page of this User s Manual CONTACT INPUT Figure 1 8000 Controls and Indicators CT 8000 USER S MANUAL REV 2 Table 2 Functional Descriptions of CT 8000 Controls and Indicators Item Number 1 6 7 8 11 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Panel Markings D1 D2 D3 TRANSDUCER INPUT 0 300V 0 300V TRIGGER CT 5VDC 200A GROUND 100 120 Vac 8A 50 60Hz H1 INITIATE OPEN 250V 5A FAST BLOW CLOSE 250V 5A FAST BLOW PUSH TO ARM 5 232 USB CONTACT INPUT C1 C6 Functional Description 16 pin connectors Digital travel transducer input channels 3 pin connector V1 voltage input channel is dedicated to monitoring circuit breaker DC power supply or coil voltages Voltage sensing range 1 from 0 255 volts dc or peak ac 3 pin connector V2 voltage input channel is dedicated to detecting voltage on off status present or absent of an A B switch Voltage input ranges from 0 300 volts dc or peak ac 3 pin connector Triggers voltage input for external trigger
63. lash EEPROM The following screen will be displayed ALL SHOTS UILL BE ERASED ENTER TO CONTINUE Press the ENTER key to erase all test records If you do NOT want to delete all the test records press the STOP key and you will be returned to the START UP menu The following screen will be displayed while the test records are being erased ERASE IN PROGRESS PLEASE WAIT REV 2 8000 USER S MANUAL The following screen will be displayed when all the test records have been completely erased Press any key to return to the START UP menu CT 8000 USER S MANUAL REV 2 3 Working With Test Plans The CT 8000 comes with the Vanguard Circuit Breaker Analysis PC Software that can be used to create circuit breaker test plans The test plans can then be transferred to the CT 8000 The CT 8000 can store up to 99 circuit breaker test plans in its Flash EEPROM A circuit breaker test plan contains breaker maximum minimum parameters and can be used to quickly test a breaker A typical list of operating parameters in a test plan includes the following Max Min Contact Resistor Trip Time Contact Resistor CLOSE time e Contact Spread Time Resistor Contact Spread Time Max Min Contact CLOSE OPEN Time Max Min Contact OPEN CLOSE Time e Max Min Resistor CLOSE OPEN Time Max Min Resistor OPEN CLOSE Time e Max Min Breaker Stroke Max Min Breaker Tri
64. llowing screen will be displayed Press the 1 key to print every data point The data points will be printed and you will be returned to the START UP menu Press the 2 key to print every 5 data points The data points will be printed and you will be returned to the START UP menu A partial data points printout is shown in Figure 41 FF FFF FFF FFF ooo QOO 370 sero 8006 8006 16025 FFF FFF FFF 370 amp eFO 000 80 8006 10030 FFF FFF FFF FFF FFF FFF 370 SFO ooo 8006 8006 Figure 41 Partial Data Points Printout REV 2 8000 USER S MANUAL 4 5 Troubleshooting Guide PROBLEM DESCRIPTION CT 8000 will neither trip nor close the breaker Getting following message when using external trigger TRIGGER FAULT NO TRIGGER Missing timing or transducer channels on report and graphic output No contact time 0 ms in Trip or CLOSE test No contact time 0 ms in CLOSE OPEN test When performing an OPEN CLOSE test the breaker opens but will not close Suggested Solution e Make sure you hold down the ARM switch during each test e Check the OPEN or CLOSE fuses e Check the initiate leads Fora Positive Trip circuit one CLOSE lead one OPEN lead should be connected to the positive side of the power supply o Fora Negative Trip circuit one CLOSE lead and one OPEN lead should be con
65. ndicators is shown in Figure 35 CT 8000 USER S MANUAL REV 2 60 Hz BREAKER TIMING RESULTS SHOT NUMBERs DATE oF O1 Os TIME 13 iFa iF CLImr ars Ligx3rFICSLIEXFD INS TRUMEHWT STAT CIFCLUITs IF Fm ITE s 14 SMe OFERATOFs TEST CONTACT TIME T IME CYCLE PAF cms gt m3 2 gt 1 O34 20 02 05 20 oo T DES OZ FPeRSssooo io oo rsa 031i 1 Oi PaAssooo 2 20 oo S2 DELTA TIME lt mS gt ODS 30 PASS TRAVEL ANALYS IS STROKE im SPEEDO OVER TRAWEL in BOUNCE BACHE in SPEED ANALYSIS POINT 1 in POINT 2 05 00 in NOMINAL VOLTAGE e MINIMOM VOLTAGE eS IH ITIATOR CLIFEFEEEFAT OS AMPS SHOT LEWGTHs 1 SECOND INSERTION RESISTOR TRIGGER INTERNAL Figure 35 Typical Test Results Printout with Pass Fail Indicators Pass Fail Indicators REV 2 8000 USER S MANUAL 3 7 2 Printing a Directory of Test Plans Stored in the CT 8000 s Memory You can print a directory of all the test plans stored in the CT 8000 s Flash EEPROM using the steps below d b d Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP The following screen will
66. nected to the negative side of the power supply e Trigger voltage was not detected by the CT 8000 e Check the external trigger input to the CT 8000 e Make sure the external trigger signal is present when the CT 8000 displays the AWAITING TRIGGER message on the screen e Timing or transducer channels were not turned on See section 3 2 7 for instructions on how to turn on the contact and transducer channels e Make sure only one side of the breaker is grounded e sure the breaker operates on the OPEN or CLOSE test only A dual operation OPEN CLOSE or CLOSE OPEN will result in a Oms reading e The CT 8000 contact channels may be damaged or the cables may be bad Try the Check Hook UP test see section 4 3 e Make sure the breaker contacts complete the transition from the OPEN initial state to the CLOSE state then to the OPEN final state You can see the transition by looking at the timing chart e Make sure the contact CLOSE state is longer than 10ms The CT 8000 has a 10ms de bounce time so any contact state less than or equal to 10ms is invalid e Try the CLOSE OPEN test using contact channel 1 e Delay between OPEN to CLOSE is probably too short Increase the delay time LG 0000 CT 8000 USER S MANUAL REV 2 No data or erratic reading on travel transducer No activity on V2 voltage input channel How do turn on automatic printing of test reports Bad transducer Perform a t
67. nown distance and observe the display d The screen will be updated with the new transducer position information TRANSDUCER TEST l 5 00 IN 360 0 2 0 00 IN 000 0 2 0 00 IN 000 0 If the transducer was moved 5 inches the screen should display 5 00 IN You can continue to move the transducer slider and observe the screen values to make sure they are correct Press the STOP key to end the test and return to the START UP menu CT 8000 USER S MANUAL REV 2 4 3 Testing the Cable Hookups You can check the CT 8000 contact cable connections to the circuit breaker using the steps below a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 4 key DIAGNOSTICS b The following screen will be displayed SLOW CLOSE TEST CHECK HOOKUP TEST TRANSDUCER NEXT PAGE Press the 2 key CHECK HOOKUP c The following screen will be displayed MAKE SURE BREAKER IS IN CLOSED POSITION THEN PRESS START Make sure the breaker is in the CLOSED position and then press the START key d The screen will be updated to show the status of each contact as shown l SPAR C EOUNSETEST STOP to EXIT A report will also be printed on the thermal printer showing the status of each contact A contact closure is shown as C on the screen and on the printout An open contact is shown as on the screen and on the printout Pres
68. ntage value using the numeric keypad and then press the ENTER key The analysis points will be set and you will be returned to the START UP menu 2 DIST FROM CLOSE Press the 2 key DIST FROM CLOSE to set the open analysis point 2 as a distance from the contact s close position The following screen will be displayed OPEN ANALYSIS PT DISTANCE FROM CLOSE VALUE 107 0 mm ENTER TO CONFIRM Type the distance value using the numeric keypad and then press the ENTER key The analysis points will be set and you will be returned to the START UP menu 3 CONTACT TIME Press the 3 key to select the CONTACT TIME option The following screen will be displayed OPEN ANALYSIS PT 1 CONTACT PLUS TIME CONTACT MINUS TIME 1 CONTACT PLUS TIME Press the 1 key to select the CONTACT PLUS TIME option For the contact plus time the user enters the time in milliseconds after the contact channel 1 made the transition from OPEN to CLOSE Note Of CLOSE to OPEN to define the analysis point 2 0000000 CT 8000 USER S MANUAL REV 2 The following screen will be displayed OPEN ANALYSIS PT ENTER TIME FROM CHI TIME mS 000 0 ENTER TO CONFIRM Type the time value using the numeric keypad and then press the ENTER key The analysis points will be set and you will be returned to the START UP menu CONTACT MINUS TIME Press the 2 key to select the CONTACT MINUS TIME o
69. nter the test record header information before performing tests The record header includes identifying information such as the company station circuit model number etc Once the header information has been entered it will apply to all subsequent test records To enter Pre Test Setup the header information d b When the unit is turned on and the firmware is loaded you will be presented with the START UP menu as shown below RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 4 key NEXT PAGE The following screen will be displayed SHOT DESCRIPTION NUMBER OF CHANNELS SET DATE amp TIME NEXT PAGE Press the 1 key SHOT DESCRIPTION CT 8000 USER S MANUAL REV 2 d The following screen will be displayed COMPANY TO POSITION ENTER TO ACCEPT Type the company name using the alpha numeric keypad When pressing a key the corresponding number on the key will be displayed first Pressing the key again will display the first letter on the key Pressing the key again will display the second letter on the key For example to type the letter A you must press the 2 key twice To erase the character at the cursor position press the CLEAR key Press the PAPER Contrast key to move t
70. nts a Start from the START UP menu Press the 3 key SETUP b The following screen will be displayed Press the 1 key ANALYSIS POINTS c The following screen will be displayed Press the 1 key OPEN TIMING d The following screen will be displayed 1 PERCENT OF STROKE Press the 1 key PERCENT OF STROKE to set the open analysis point 41 as a percentage of the total stroke value CT 8000 USER S MANUAL REV 2 The following screen will be displayed Type the percentage value using the numeric keypad and then press the ENTER key Continue to step e DIST FROM CLOSE Press the 2 key DIST FROM CLOSE to set the open analysis point 41 as a distance from the contact s close position Type the distance value using the numeric keypad and then press the ENTER key Continue to step e CONTACT 1 Press the 3 key CONTACT 1 to set the open analysis point 1 value equal to the contact point 1 value Continue to step e REV 2 8000 USER S MANUAL e The following screen will be displayed OPEN ANALYSIS PT 1 PERCENT OF STROKE DIST FROM CLOSE 3 CONTACT TIME 1 PERCENT OF STROKE Press the 1 key PERCENT OF STROKE to set the open analysis point 2 as percentage of the total stroke value The following screen will be displayed OPEN ANALYSIS PT 4 OF TOTAL STROKE VALUE O02 ENTER TO CONFIRM Type the perce
71. o the next character Press the PAPER Contrast key to move to the previous character Press the ENTER key when you are done typing the company name e The following screen will be displayed STATION TO POSITION ENTER TO ACCEPT Type the station name using the alpha numeric keypad and then press the ENTER key f The following screen will be displayed CIRCUIT TO POSITION ENTER TO ACCEPT Type the circuit information using the alpha numeric keypad and then press the ENTER key g The following screen will be displayed MANUFACTURER TO POSITION ENTER TO ACCEPT Type the manufacturer name using the alpha numeric keypad and then press the ENTER key REV 2 8000 USER S MANUAL h The following screen will be displayed MODEL TL TO POSITION ENTER TO ACCEPT Type the model information using the alpha numeric keypad and then press the ENTER key i The following screen will be displayed SERIAL NUMBER TL TO POSITION ENTER TO ACCEPT Type the serial number using the alpha numeric keypad and then press the ENTER key The following screen will be displayed OPERATOR TO POSITION ENTER TO ACCEPT Type the operator s name using the alpha numeric keypad and then press the ENTER key All header information will be saved and you will be returned to the START UP menu CT 8000 USER S MANUAL REV 2 3 2
72. or example to select 900ms press the 9 key The screen will be updated as shown EXPANSION ENTER TO CONFIRM Press the ENTER key The graph expansion will be printed along with the tabulated test results You will be returned to the START UP menu when printing is finished A sample expansion graph is shown in Figure 22 PLOT 0 200MS Press the 4 key to print the tabulated test results along with the graphic test results from 0 200 milliseconds The graph and tabulated results will be printed REV 2 8000 USER S MANUAL on the thermal printer You will be returned to the START UP menu when printing is finished BREAKER TIMING RESULTS 60 Hz T LP SHOT NUMBER DATE Of5 11 orz TIE 49 COMPANY VANGUARD STATION ONTARIO CIRCUIT gt MEFs ITE C MODEL 14 uem 1 a OPERATOR HATI CONTACT T I ME T I ME Sle nS gt 1 liar io gt 1c Fo Li 24 1 45 1 K I T IME lt 1 m gt a oc oo O TRALEL AHAL SiS ST ke ok i SPEEDO Ptr S gUERTRAUVEL in BACK din SPEEDO ANALYYSI Ss POINT a eO in POINT gt 2 OO i n fS Uui NOMINAL ULDL TAXE se vortrs 14 MINIMUM VOLTAGE s voL C INITIATOR CURRENT 5 2 AMPS 45 FIR SHOT LENGTH
73. p Velocity e Max Min Breaker CLOSE Velocity e Max Min Breaker Over Travel Max Min Breaker Bounce Back e Trip Velocity Analysis Calculation Points e CLOSE Velocity Analysis Calculation Points If a timing test is executed with a breaker test plan the timing report will display a Pass Fail indicator for each of the parameters tested The Pass Fail status is determined by comparing the values in the test plan to the timing test results 3 1 Recalling a Breaker Test Plan for Use Use the steps below to recall a breaker test plan to use for a timing test a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 3 key SETUP REV 2 8000 USER S MANUAL b The following screen will be displayed Press the 1 key ANALYSIS POINTS c The following screen will be displayed Press the 4 key TEST PLANS d The following screen will be displayed Press the 1 key LOAD TEST PLAN e The first test plan stored the CT 8000 s Flash EEPROM will be listed You can scroll through the list of test plans by pressing the PAPER Contrast and PAPER v Contrast keys Once you have located the test plan that you would like to load press the ENTER key The test plan will be loaded and you will be returned to the START UP menu The test plan will be used for all subsequent timing tests A typical test results printout with Pass Fail i
74. ption For the contact minus time the user enters the time in milliseconds before the contact channel 1 makes the transition from OPEN to Note CLOSE or CLOSE to OPEN to define the analysis point 2 The following screen will be displayed OPEN ANALYSIS PT ENTER TIME FROM CHI TIME mS 000 0 ENTER TO CONFIRM Type the time value using the numeric keypad and then press the ENTER key The analysis points will be set and you will be returned to the START UP menu e Average velocity through the arc zone is calculated using the following formula Vavg Distance Time The breaker contact velocity can be recalculated based on the data stored in the memory after any new analysis points are selected The user does NOT need to operate the breaker again to acquire new contact velocity data after changing the analysis points because the new velocity will be calculated from the travel data stored in the memory from the last operation For complex velocity calculations the user can create a test plan using the included CT 8000 Breaker Analysis PC Software The test plan can then be downloaded to the CT 8000 and recalled before running timing tests REV 2 8000 USER S MANUAL 3 2 6 Selecting the Contact Cycle Reading Frequency The contact time is printed on the tabulated test results printout in both milliseconds and cycles The cycle readings can be in 50 Hz or 60 Hz You can select the preferred frequency us
75. ransducer diagnostic test using the instructions in section 4 2 Transducer slider is not secured to timing rod Transducer is not secured properly The V2 voltage input channel requires a voltage change greater than 30V Please see section 3 2 3 REV 2 8000 USER S MANUAL 5 0 APPENDICES 5 1 APPENDIX m ie H Ful ESSE puni v dun ACIE TRAVEL 1 SPACE 1 4 INCH 38 ir ITE Model 14 4K Circuit Breaker Timing Charts and Reports RATED CONTROL VOLTAGE 1 CONTACT set ED 7 8 FT PER stc MEASURED OVER 2 INCHES OF TRAVEL iir IMOQHES OF CONTACT TRAVEL ee TYPICAL NO LOAD TRAVEL CURVES FOR AND CLOSING OPERATIONS AT RATED CONTROL VOLTAGE queer dp EMEF ALLE X FEED ae e I TYPICAL LOAD TRAVEL CURVES FOR RECLOSING AND TRIP FREE OPERATIONS AT RATED CONTROL VOLTAGE ITE Model 14 4K Circuit Breaker Timing Charts E AL LLL LLLLhLhLLALIII CT 8000 USER S MANUAL REV 2 1000 MILLISECONDS 9 80 Hh 9 99 9 3 E x Nx mx mw 4 100 Contact Touch Distance Peak To Peak Travel ITE Model 14 4K Circuit Breaker CLOSE OPEN Timing Chart REV 2 8000 USER S MANUAL 60 Hz
76. record a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed 1 ANALYSIS POINTS MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE Press the 3 key SAVE RESTORE c The following screen will be displayed SAVE SHOT RESTORE SHOT SHOT DIRECTORY ERASE SHOT Press the 1 key SAVE SHOT d The following screen will be displayed SAVE SHOT 1 STATIC URES TEST DATE 03 11 10 13 cb ENTER TO PROCEED Press the ENTER key to save the test shot e The following screen will be displayed SHOT SAVED Press any key to return to the START UP menu eme REV 2 8000 USER S MANUAL 3 6 2 Printing a Test Record Directory You can print a directory of all the test records stored in the CT 8000 s Flash EEPROM by using the steps below a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed 1 ANALYSIS POINTS MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE Press the 3 key SAVE RESTORE The following screen will be displayed 1 SAVE SHOT RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT Press the 3 key SHOT DIRECTORY d The following screen will be displaye
77. rom the START UP menu Press the 3 key SETUP b The following screen will be displayed Press the 2 key WEASUREMENT UNITS REV 2 8000 USER S MANUAL c The following screen will be displayed SELECT UNITS l ENGLISH METRIC 3 ROT 4 RES ENC Press the 4 key RES ENC d The following screen will be displayed RESISTIVE ENCODER 1 CREATE NEW SETUP LOAD SETUP 3 PRINT SETUP DIR Press the 3 key PRINT SETUP DIR The setup directory will be printed and you will be returned to the START UP menu A sample resistor type transducer setup directory printout is shown in Figure 16 RESISTIVE ENCODER SETUP DIRECTORY SETUP NUMBER SETUP NEATE TS SETTING SETUP NMUMeEF MOTE UNITS SETT I MNG SETUP MOTE SETTING SETUP NUMBER SETUP NOTE UNITS SETT ING SETUP MOTE LUNI TS SETT INHG SETUP NUMBER SETUP MATE 5 SE TT ING SETUP FALIFTESE F2 c ETur NOTE 5 SETT ING SETUP NUMBER SETUP MOTE SETTING SETUP NUMBER SETUP NOTE UMNMI TS SETTING 1 ENGL ISH 465 INCHES UOLT Abe ENGL I SH 0O40 INCHES O 249 INCHES UOLT ENGL I SH 47 INCHES ORS ENGL I SH lt INCHES UOLT IM Lu 1 Or METE IC 10 1 MM UOLT E METRIC 62
78. s the START key to retest the cable connections or press the STOP key to end the test and return to the START UP menu REV 2 8000 USER S MANUAL 4 4 Printing Raw Test Record Data You can print the raw hexadecimal timing data collected by the CT 8000 using the PRINT DATA command This feature is used mainly for factory diagnostic testing The CT 8000 collects 20 000 data points in the one second timing window As a result each data sample is 0 05 ms apart By looking at the time marker and the data point you can find the channel activities vs time in the timing record To print the CT 8000 timing data from memory a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 4 key DIAGNOSTICS b The following screen will be displayed SLOW CLOSE TEST CHECK HOOKUP TEST TRANSDUCER NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed 1 PRINT DATA ENCODER FILTER 3 CONTACT FILTER Press the 1 key PRINT DATA d The following screen will be displayed STARTING ADDRESS Enter the starting address boundary by typing a number from O to 9 Pressing the O key will start printing the data at address location O or the first data point Pressing the 1 key will start printing the data at address location 10000 second LOIN ll ll CT 8000 USER S MANUAL REV 2 e The fo
79. s very useful in such cases because traditional breaker timing may not detect this condition since several operations may have occurred before the first timing test is conducted Conventional Time Travel Analysis Mode In Time Travel mode the CT 8000 can fully analyze a circuit breaker s performance by testing the contact time stroke velocity over travel and contact wipe Contact motion analysis can be performed for all breaker contact operations Open Close Open Close Close Open and Open Close Open The CT 8000 S2 s timing window is selectable between 1 second 10 second or 20 second periods The 10 second and 20 second timing windows are ideal for timing long duration events such as circuit switcher contact testing Contact Timing Inputs Dry contact input channels are used for timing breaker contacts Each contact input channel can detect main contact and insertion resistor contact times in milliseconds and cycles Voltage Monitoring Inputs One analog voltage input channel designated as V1 is dedicated to monitoring a circuit breaker s DC power supply or coil voltage 0 255 volts DC or peak AC A second voltage input channel designated as V2 is dedicated to detecting the voltage on off status presence or absence of an A B switch CT 8000 USER S MANUAL REV 2 Trip Close Current Monitoring A built in Hall effect current sensor records the Trip Close current level and duration The breaker s operate
80. scale For this example the graph will be printed using the O to 400 micro ohm linear scale option Press the 1 key 0 400 u Ohms The following screen will be displaying while the graph is being printed on the thermal printer PLEASE WAIT PLOTTING GRAPH You will be returned to the START UP menu when printing is finished Sample Dynamic Resistance Graphs are shown in Figure 31 Figure 32 and Figure 33 CT 8000 USER S MANUAL REV 2 n M itenty Oe een RH RH HARE Er LER EM Haa ar u Cr m IT EEZ ISTANCE paaa D etr rr 0 3 3 4 Y 9V 89 M D D 19 B 1 Figure 31 Dynamic Resistance Graph 0 400 micro ohm linear scale mtr mmm ommno Penn M SA m ar u Ln rms rd e moens somme treme tee arcem X O I STANCE mnm UI SIT 1 1 ERR U 2 3 4 2 oO 9 w mw iu m m Ww i Figure 32 Dynamic Resistance Gr
81. seconds after the initiate sequence has begun The CT 8000 will return to the START UP menu if no voltage is sensed NOTES Positive Trip Circuit ap 4 OPEN CLOSE TRIGGER TRIGGER CLOSE TRIGGER TRIGGER Figure 8 Typical External Trigger Input Cable Connections REV 2 8000 USER S MANUAL 3 1 5 Digital Transducer Connection A typical digital transducer connection is shown in Figure 9 TRANSDUCER Figure 9 Typical Digital Transducer Connection CT 8000 USER S MANUAL REV 2 3 1 6 Resistor Type Transducer Connection The CT 8000 provides one channel for resistor type transducers The transducer resistance input can range from 200 Ohms to 10K Ohms The CT 8000 supplies a 5 Vdc reference voltage to power the resistor type transducer The sense voltage is translated into a travel distance based on the transducer calibration parameters The user is required to setup the resistor transducer before performing a test Up to nine transducer setups can be stored in the CT 8000 s internal memory Once a transducer setup is stored it can be recalled quickly before running a test A typical resistor type transducer connection is shown in Figure 10 When resistor type transducer is used the test results shown as travel transducer channel 1 see Figure 17 A 15 foot transducer cable with 3 quick disconnect clips is provided with each C
82. that after the breaker activities have ended the CT 8000 may record erroneous data on the transducer channels due to vibration The erroneous data may be due to the transducer not being secured properly to the mounting plate or due to a poor linkage problem between the transducer and the circuit breaker mechanism To address this problem the CT 8000 s transducer encoder filter setting can be used to stop recording the transducer channel data after a specific time This feature can filter out the unwanted motion picked up by the transducer after the breaker activities have ended The CT 8000 s default filter value is set to No Filter when the unit is powered on Use the steps below to change the transducer encoder filter setting a Start from the START UP menu RUN TEST 03 10 10 GET 09 04 05 SETUP DIAGNOSTICS Press the 4 key DIAGNOSTICS b The following screen will be displayed SLOW CLOSE TEST CHECK HOOKUP TEST TRANSDUCER NEXT PAGE Press the 4 key NEXT PAGE c The following screen will be displayed 1 PRINT DATA ENCODER FILTER 3 CONTACT FILTER Press the 2 key ENCODER FILTER d The following screen will be displayed ENTER FILTER TIME 010 999 REV 2 8000 USER S MANUAL Type the filter time in milliseconds using the numeric keypad and then press the ENTER key to return to the START UP menu The CT 8000 will not record any transducer
83. ure 7 V1 WHITE WHITE WHITE V2 cT 8000 Circuit Breaker Analyzer Figure 7 Typical Analog and Digital Voltage Monitoring Connections 0 0 CT 8000 USER S MANUAL REV 2 3 1 4 External Trigger Input Connections The External Trigger Mode can be used to start recording data when the CT 8000 senses a voltage A typical application for the External Trigger Mode is to time a circuit breaker in a Close operation and to start timing only when the Close coil is energized thus bypassing the 52X relay delay time Since the 52X relay carries the Close coil current the CT 8000 s initiate cable must be connected to the Close terminal as shown in Figure 5 The CT 8000 will energize the 52X relay to start the Close operation which will then start the timing when the CT 8000 senses the voltage across the closing coil Typical external trigger input connections are shown in Figure 8 Another application for the External Trigger is to start timing the breaker when the user trips or closes the breaker remotely e The minimum trigger voltage is 30 Vac dc Maximum continuous voltage is limited to 300 Vac dc Different trigger voltages can be set at the factory by request e The CT 8000 will start looking for the external trigger voltage when the message AWAITING TRIGGER is displayed on the LCD screen The external trigger voltage must be sensed by the CT 8000 within 15
84. utput is shown as When instructions are provided the menu item that should be selected is shown in bold as shown below option 3 should be selected Important notes are indicated as le REV 2 8000 USER S MANUAL 1 0 INTRODUCTION 11 General Description and Features The CT 8000 is Vanguard s fifth generation stand alone microprocessor driven EHV circuit breaker analyzer This easy to use analyzer is available in models with either 3 CT 8000 3 or 6 CT 8000 6 dry contact inputs Both models feature three digital travel transducer input channels The CT 8000 can operate either in Time Travel analyzer mode or in Quick Shot mode for on line timing Quick Shot Mode In Quick Shot mode the CT 8000 captures the breaker s trip or close time the trip close coil current fingerprint and the battery supply voltage while the breaker is still in service The trip close time is derived from the time of trip or close coil initiation to the breaker s bushing current break or make as detected by an AC clamp on current sensing probe With a simple connection the Quick Shot mode can detect a breaker s operating conditions with little or no down time In Quick Shot mode the first trip operation time of the breaker is captured If a breaker has been in service for a long period of time and sitting in close position the first trip time of the breaker may be slow possibly due to a sticky mechanism The Quick Shot mode i
85. yed while the setup is being saved The following screen will be displayed when the setup has been saved Press any key to return to the START UP menu REV 2 8000 USER S MANUAL Loading a Resistor Type Transducer Setup Follow the steps below to load a resistor type transducer setup a Start from the START UP menu 1 RUN TEST 03 10 10 GET 09 04 05 3 SETUP 4 DIAGNOSTICS Press the 3 key SETUP b The following screen will be displayed ANALYSIS POINTS MEASUREMENT UNITS SAVE RESTORE NEXT PAGE Press the 2 key WEASUREMENT UNITS c The following screen will be displayed SELECT UNITS l ENGLISH METRIC 3 ROT 4 RES ENC Press the 4 key RES ENC d The following screen will be displayed RESISTIVE ENCODER 1 CREATE NEW SETUP LOAD SETUP 3 PRINT SETUP DIR Press the 2 key LOAD SETUP e The following screen will be displayed ENTER SETUP NUMBER TO LOAD 1 39 Type the setup number to load using the numeric keypad LINE CT 8000 USER S MANUAL 2 Press the ENTER key to load the selected setup g The following screen will be displayed Press any key to return to the START UP menu Printing a Resistor Type Transducer Setup Directory You can print a directory of the stored resistor type transducer setups on the built in thermal printer using the steps below a Start f

CT-8000 - Vanguard Instruments Company, Inc.

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