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Vanguard Instruments Company CT-6500, Руководство по эксплуатации

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CT-6500 Operating Instructions

11

8.0 Test Hook-up Connections
8.1 Contact Cable Hookup

A typical, contact cable connection to a circuit breaker is shown in Figure 2.0.  Red clips are

connected to phase A, B and C of the breaker’s bushings. The black clips are connected on the
grounded or common, side of the bushings. For circuit breakers with series contacts, connect the
contact cables as shown in Figure 3.0.

NOTE

It is advisable to ground one side of the contacts for most testing purposes.  If a breaker
is floating or ungrounded, ensure that the contact channel inputs are protected against
static discharge.

Figure 2.0  Contact Cable Connection

Содержание CT-6500

Страница 1: ...PERATING INSTRUCTIONS for the CT 6500 Digital Circuit Breaker Analyzer Vanguard Instruments Company 1710 Grevillea Court Ontario California 91761 TEL 909 923 9390 September 2003 FAX 909 923 9391 Rev 2...

Страница 2: ...d only by Vanguard Instruments Company s factory personnel or by an authorized repair and service center Unauthorized modifications can cause serious safety hazards and will nullify the manufacturer s...

Страница 3: ...r Graphic Printout 5 5 0 CT 6500 Controls and Display 5 6 0 CT 6500 Analyzer Specifications 7 7 0 CT 6500 Special Features 8 7 1 CT 6500 Supplied Cables 8 7 2 CT 6500 Operating Voltages 9 7 3 CT 6500...

Страница 4: ...eaker Over Travel Distance 40 9 10 3 Breaker Bounce Back Distance 40 9 10 4 Contact Wipe 40 9 10 5 Breaker Velocity 40 9 10 6 Analysis Point Selections 40 9 10 7 Analysis Point No 1 AP1 41 9 10 8 Anal...

Страница 5: ...r Connection 16 Figure 9 0 CT 6500 Operating Steps 17 Figure 10 0 Typical Tabulated Printout of an Open Operation From the Thermal Printer 25 Figure 11 0 Typical Graphic Result From the Thermal Printe...

Страница 6: ...27 Table 10 0 Save Timing Shot In EEPROM 32 Table 11 0 Print Timing Shot Directory 33 Table 12 0 Recalling a Timing Shot 35 Table 13 0 Deleting a Timing Shot 36 Table 14 0 Entering Shot Identification...

Страница 7: ...ming Chart for ITE Circuit Breaker Model 14 4K 56 APPENDIX C CLOSE OPEN Tabulated Report for ITE Circuit Breaker Model 14 4K 57 APPENDIX D OPEN CLOSE Timing Chart for ITE Circuit Breaker Model 14 4K 5...

Страница 8: ...Input channel n One Trip Close Current Monitor channel There are two different modes of operation for the CT 6500 which are Stand Alone Mode and Computer Control Mode The manual will focus on the Stan...

Страница 9: ...t The current reading is also printed in the tabulated report 2 5 Travel Transducer Input Channels Each CT 6500 has one digital transducer input channel The CT 6500 will interface with a linear a rota...

Страница 10: ...2 10 Diagnostic Capabilities The CT 6500 is designed with self diagnostic capability to check the integrity of the electronics Self testing of the contact cable hook up and transducers permits the use...

Страница 11: ...when the supply voltage is under load or when a coil is energized The V1 connection allows the user to monitor the DC power supply s voltage fluctuations during a breaker operation The feature is eff...

Страница 12: ...currents Using the Zoom Graphics Mode the user can enlarge the graphical outputs by specifying the timing zone Typical graphical results are shown in Figures 11 0 and12 0 5 0 CT 6500 Controls and Dis...

Страница 13: ...nectors Each input is a travel encoder input used for contact motion data 7 Printer No panel marking Thermal printer Microprocessor controlled printer that uses specially treated 4 5 inch wide paper 8...

Страница 14: ...Vac Analog voltage recording ranges from 1 0 to 255 Vdc CURRENT SENSOR INPUT 1 non contact hall effect sensor ranging from 0 2 to 20 Amperes DC to 5 kHz BREAKER INITIATE Initiate Open Close Open Clos...

Страница 15: ...le 2 0 CT 6500 Cable set ITEM DESCRIPTION QTY 1 GND Cable 1 2 Power Cord 1 3 Contact Cable 3 or 6 or 12 4 Contact Extension Cable 3 or 6 or 12 5 Transducer cable 1 6 Voltage Trigger Leads 3 7 Voltage...

Страница 16: ...ower Fuse The CT 6500 uses an AC input module that contains the AC receptacle power switch and protective fuses The 3 Ampere replacement fuses should be 20mm 250Vac fast blow types NOTE The OPEN and C...

Страница 17: ...paper holder n Unroll the new thermal paper n 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 n...

Страница 18: ...aker s bushings The black clips are connected on the grounded or common side of the bushings For circuit breakers with series contacts connect the contact cables as shown in Figure 3 0 NOTE It is advi...

Страница 19: ...CT 6500 Operating Instructions 12 Figure 3 0 Series Contact Cable Connection...

Страница 20: ...nging 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 test hookup is shown in Figure 4 0 A typical DC trip and AC c...

Страница 21: ...a graphical format Thus the user is able to see the breaker s DC control voltage dip under load conditions Problems such as a poor connection or an excessive voltage drop during operation can be easil...

Страница 22: ...h will then start the timing when the CT 6500 senses the voltage across the closing coil See Figure 7 0 for a typical test hookup Another application for external trigger is to start timing the breake...

Страница 23: ...CT 6500 Operating Instructions 16 8 6 Transducer Connection A typical transducer connection is shown on Figure 8 0 See Appendix F for more transducer connections Figure 8 0 Transducer Connection...

Страница 24: ...stations it is recommend for the contact channels ground one side of the breaker s bushings HOOKUP CT 6500 1 GROUND THE CT 6500 See NOTE 2 CONNECT CT 6500 CABLES TO BREAKER 3 INSTALL TRANSDUCER WITH C...

Страница 25: ...d for the CLOSE OPEN operation since it truly represents when the circuit breaker closed and then opened n Set DELAY The CT 6500 can initiate a CLOSE command and then an OPEN command after a programma...

Страница 26: ...RIGGER MODE 1 Internal Trigger 2 External Trigger 4 SELECT INTERNAL TRIGGER PRESS 1 KEY TIMING MODE 1 OPEN 2 CLOSE 3 O C 4 C 0 5 O C O 5 SELECT OPEN OPERATION PRESS 1 KEY OPEN TIMING Hold ARM Switch T...

Страница 27: ...TOR PRESS 2 KEY RESISTOR VALUE 1 LESS THAN 1000 OHM 2 1000 to 2000 OHM 3 MORE THAN 2000 OHM 3 SELECT LESS THAN 1000 RESISTOR RANGE PRESS 1 KEY TIMING WINDOWS 1 WINDOW 1 SEC 2 WINDOW 10 SEC 3 WINDOW 20...

Страница 28: ...to Table 6 0 on the next page 2 Set DELAY The user can set a delay from 10 to 500 ms between a CLOSE command to the OPEN command 3 No DELAY Both the CLOSE and OPEN commands are initiated by the CT 650...

Страница 29: ...4 KEY C O Second Trigger 1 Contact 1 CLOSE 2 Set DELAY 3 No DELAY 6 SELECT CONTACT 1 CLOSE PRESS 1 KEY CLOSE OPEN TIMING Hold ARM Switch Then START STOP to ABORT 7 INITIATE OPEN COMMAND HOLD THE ARM...

Страница 30: ...WINDOW 1 SEC 2 WINDOW 10 SEC 3 WINDOW 20 SEC 3 SELECT 1 SECOND WINDOW PRESS 1 KEY TRIGGER MODE 1 Internal Trigger 2 External Trigger 4 SELECT INTERNAL TRIGGER PRESS 1 KEY TIMING MODE 1 OPEN 2 CLOSE 3...

Страница 31: ...e 8 0 A typical circuit breaker timing result is shown in Figure 10 0 Table 8 0 Get Tabulated Results STEP OPERATION ACTION DISPLAY 1 GET TIMING RESULTS PRESS 2 KEY 1 PRINT TEST RESULTS 2 PLOT FULL CH...

Страница 32: ...CT 6500 Operating Instructions 25 Figure 10 0 Typical Tabulated Printout of an Open Operation From the Thermal Printer 16 11 4 5 6 7 8 9 10 9 13 14 15 17 12 1 2 3...

Страница 33: ...delta 3 00 ms 8 Breaker contact stroke was measured as 7 02 inches 9 Contact velocity calculation was 8 55 feet per second 10 Contact over travel distance was measured as 0 01 inches 11 Contact bounce...

Страница 34: ...P OPERATION ACTION DISPLAY 1 GET TIMING RESULTS PRESS 2 KEY 1 PRINT TEST RESULTS 2 PLOT FULL CHART 3 PLOT EXPANSION 4 PLOT 0 200 MS 2 PLOT FULL CHART PRESS 2 KEY PLEASE WAIT PLOTTING GRAPH 3 RETURN TO...

Страница 35: ...CT 6500 Operating Instructions 28 Figure 11 0 Typical Graphic Result From the Thermal Printer Contact Trace Travel Trace Initiate Current Analog Voltage Channel V1 Digital Voltage Channel V2...

Страница 36: ...CT 6500 Operating Instructions 29 Figure 12 0 Expansion Graph From 0 to 200ms From the Thermal Printer NOTE Analysis point 1 and point 2 are shown on chart Analysis Point 1 Analysis Point 2...

Страница 37: ...CT 6500 Operating Instructions 30 Figure 13 0 Graphical Interpretation of an Open Timing Shot Figure 14 0 Graphical Interpretation of a Close Timing Shot...

Страница 38: ...CT 6500 Operating Instructions 31 Figure 15 0 Graphical Interpretations of an Open Close and a Close Open Timing Shots...

Страница 39: ...RESS 3 KEY 1 SAVE SHOT 2 RECALL SHOT 3 SHOT DIRECTORY 4 ERASE SHOT 3 SELECT SAVE SHOT PRESS 1 KEY SAVE SHOT 002 TEST CLOSE DATE 04 23 03 12 36 ENTER TO CONFIRM 4 CONFIRM SAVING SHOT PRESS THE ENTER KE...

Страница 40: ...2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT 3 SELECT SHORT DIRECTORY PRESS 3 KEY 1 SHORT DIRECTORY 2 FULL DIRECTORY STOP TO QUIT 4 SELECT SHORT DIRECTORY PRESS 1 KEY PRINTING ABBREVIATED DIRECTORY ST...

Страница 41: ...CT 6500 Operating Instructions 34 Figure 16 0 Printout of the Timing Shot Directory From the Thermal Printer...

Страница 42: ...UNITS 3 SAVE RESTORE 4 NEXT PAGE 2 SELECT SAVE RESTORE SHOT PRESS 3 KEY 1 SAVE SHOT 2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT 3 SELECT RESTORE SHOT PRESS 2 KEY ENTER SHOT NUMBER TO BE RESTORED XXX...

Страница 43: ...ESS 3 KEY 1 SAVE SHOT 2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT 3 SELECT ERASE SHOT PRESS 4 KEY 1 ERASE SHOT 2 ERASE ALL SHOTS 4 SELECT ERASE SHOT PRESS 1 KEY ENTER SHOT NUMBER TO BE ERASED XXXX EN...

Страница 44: ...s and so on To move the cursor forward press the UP ARROW key To move the cursor backwards use the DOWN ARROW key Use the CLEAR key to enter a space Table 14 0 Entering Shot Identification Header STEP...

Страница 45: ...ENTER KEY TO CONFIRM ENTER SERIAL NUMBER XXXX ENTER TO CONFIRM 9 ENTER SERIAL NUMBER PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM ENTER SERIAL NUMBER XXXX ENTER TO CONFIRM 10 ENTER OPERATOR NAME...

Страница 46: ...Follow the steps in Table 15 0 to put the CT 6500 under computer control Table 15 0 Selecting or Aborting Computer Control STEP OPERATION ACTION DISPLAY 1 SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS PO...

Страница 47: ...close position to the contacts touching or parting positions In the close operation contact wipe is measured from the contacts touching position to the final close position In the open operation the...

Страница 48: ...int 1 Contact point is the distance from the contact s closed position to the point where it is in transition from the close to open or the open to close position Contact channel 1 will be used for th...

Страница 49: ...ted based upon the data stored inside the memory after any new analysis points were selected The user does not need to operate the breaker again to acquire new contact velocity data after changing the...

Страница 50: ...OM CLOSE PRESS 2 KEY OPEN ANALYSIS PT 1 DISTANCE FROM CLOSE VALUE XX XX in ENTER TO CONFIRM 5 ENTER 1 INCH PRESS KEYS 0 9 TO SET 1 00 USE THE ENTER KEY TO CONFIRM OPEN ANALYSIS PT 1 DISTANCE FROM CLOS...

Страница 51: ...If an entry is not correct re enter the digits until the screen shows the desired numbers then press the ENTER key 2 Analysis Point 1 is 1 00 inch from the fully closed position 3 Analysis Point 2 is...

Страница 52: ...IS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE 2 SELECT MEASUREMENT UNITS PRESS 2 KEY SELECT UNITS 1 ENGLISH 2 METRIC 3 ROTARY TRANSDUCER 3 SELECT METRIC PRESS 2 KEY 1 TIME BRKR 2 GET RSLT 3...

Страница 53: ...1 SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE 2 SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 COMPUTER ITF 3 SET CLOCK 4 SET PRINT MODE 3 SELECT...

Страница 54: ...here the contact channel is electrically closed Contact wipe or penetration is the distance measured from the contact position first electrically closed to the final closed latching position Table 19...

Страница 55: ...agnostics Table 20 0 Performing a Transducer Self Test STEP OPERATION ACTION DISPLAY 1 SELECT DIAGNOSTIC PRESS 4 KEY 1 SLOW CLOSE TEST 2 PRINT DATA 3 TEST TRANSDUCER 4 CHECK HOOKUP 2 SELECT TRANSDUCER...

Страница 56: ...UP 2 SELECT CHECK HOOK UP PRESS 4 KEY MAKE SURE BREAKER IS IN CLOSE POSITION THEN PRESS START 3 INITIATE TEST PRESS THE START KEY 1 2 3 C 4 RETURN TO MAIN MENU PRESS THE STOP KEY 1 TIME BREAKER 2 GET...

Страница 57: ...g STEP OPERATION ACTION DISPLAY 1 SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE 2 SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 COMPUTER ITF 3 SET...

Страница 58: ...e user can always turn on the rest of the timing channels and transducer channels by following the steps shown in table below Table 23 0 Channel Configuration STEP OPERATION ACTION DISPLAY 1 SELECT SE...

Страница 59: ...e OPEN test and CLOSE coil for the CLOSE test This CT 6500 6 will operate as a slave device n Set the CT 6500 6 to start a test using EXTERNAL TRIGGER n Set the CT 6500 12 to start a test using INTERN...

Страница 60: ...e test n Make sure one side of the breaker in not grounded n Make sure the breaker operates on the Open or Close test only A dual operation OPEN CLOSE or CLOSE OPEN will result in 0 ms reading n Damag...

Страница 61: ...rint Results mode n See section 9 17 12 Where can one get some thermal paper n Call the factory at 909 923 9390 or BG Instruments at 509 893 9881 The CT 6500 uses TP 4 thermal paper n In case of an em...

Страница 62: ...CT 6500 Operating Instructions 55 APPENDIX A ITE Circuit Breaker model 14 4K Timing Chart AP1 1 5 AP2 3 5 Bounce Back...

Страница 63: ...CT 6500 Operating Instructions 56 APPENDIX B CLOSE OPEN Timing Chart for ITE Circuit Breaker Model 14 4K...

Страница 64: ...CT 6500 Operating Instructions 57 APPENDIX C CLOSE OPEN Tabulated Report for ITE Circuit Breaker Model 14 4K...

Страница 65: ...CT 6500 Operating Instructions 58 APPENDIX D OPEN CLOSE Timing Chart for ITE Circuit Breaker Model 14 4K...

Страница 66: ...CT 6500 Operating Instructions 59 APPENDIX E OPEN CLOSE Tabulated Report for ITE Circuit Breaker Model 14 4K...

Страница 67: ...CT 6500 Operating Instructions 60 APPENDIX F CT 6500 Transducer Illustration Linear Transducer on an OCB Rotary Transducer on Alstom HE 1014 Circuit Breaker...

Страница 68: ...CT 6500 Operating Instructions 61 Rotary Transducer on ABB HMB Mech String Transducer on ABB 72PM Circuit Breaker...

Страница 69: ...www vanguard instruments com...

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