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CT-7000 Operating Instructions - Vanguard Instruments Company, Inc.

1. 13 Figure 4 0 DC Trip and DC Close Initiate Circuit Cable Hook Up 14 Figure 5 0 DC Trip and AC Close Initiate Circuit Cable 14 Figure 6 0 Voltage Monitoring Cable HOOK UP 15 Figure 7 0 Exteral Lrggerable Hoole Up s fee eee E stp tes 16 Figure 8 0 Transducer CoRrieetlom etes rrt otn solet Dios 17 Figure 9 0 CT 7000 Operating recte bte cms roo Pre 18 Figure 10 0 Typical Tabulated Printout of an Open Operation From the Thermal 26 Figure 11 0 Typical Tabulated Printout of an Open Operation From Ink Jet 28 Figure 12 0 Typical Graphic Result From the Thermal Printer 30 Figure 13 0 Typical Graphic Printout From the Ink Jet Printer 31 Figure 14 0 Expansion Graph From 0 to 200ms From the Thermal Printer _ 32 Figure 15 0 Expansion Graph From 0 to 200ms From Ink Jet Printer 33 Figure 16 0 Graphical Interpretation of an Open Timing 34 Figure 17 0 Graphical Interpretation of a Close Timing Shot 34 Figure 18 0 Graphical Interpretations of an Open Close and a Close Open Timing Shot 35 Figure 19 0 Printout of the Timi
2. 47 VOLTS VOLTS os 7 AMPS Ul NOMINAL VOLTAGE MINIMUM VOLTAGE INITIATOR CURRENT SHOT LENG THe 1 SECOND INSERTION RESISTOR TRIGGER INTERNAL Figure 20 0 Typical Test Results With Pass Fail Printout 50 CT 7000 Operating Instructions 9 14 Print a Breaker Test Plan The user can print a breaker test plan stored in the CT 7000 EEPROM Table 18 0 Print a Test Plan OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY ANALYSIS POINT MEASUREMENT UNITS SAVE RESTORE NEXT PAGE SELECT ANALYSIS POINT PRESS 1 KEY OPEN TIMING CLOSE TIMING PRINT SETTING TEST PLAN SELECT TEST PLAN PRESS 4 KEY LOAD TEST PLAN PRINT TEST PLAN PRINT DIRECTORY SELECT PRINT TEST PLAN PRESS 2 KEY LOAD TEST PLAN TO SCROLL ENTER TO SELECT VIEW TEST PLAN HEADER PRESS UP or DISPLAY TEST PLAN HEADER DOWN KEY TO SCROLL CONFIRM TEST PLAN TO BE PRESS THE ENTER 1 TIME BRKR PRINTED KEY 2 GET RSLT 3 SET UP 4 DIAGNOSTICS h1 7000 Operating Instructions TEST PLAN NUMBER 1 2 52 121 iamen COMMENT CONTACT TIME PARAMETERS OPEN MAX lt mS gt 0 MIN cms gt 2 DELTA LIM gt 202 a 0 0 FRrRAMSs LIVE MA gt MIN cms gt RESISTOR ON TIME PARAMETERS OFEN cLOSE Max gt o oc MIN gt
3. CONTACT RECLOSE TIME cr TIME CYCLES BOUNCE lt gt lt gt 1 291 10 17 7 2 50 2 292 30 2015 60 zm 292 17 57 025 CONTACT DEAD TIME TIME CYCLES gt 256 80 15 41 258 10 15 49 262 20 15 73 PEAK TO PERK TRAVEL Cin 21 NOMINAL VOLTAGE MINIMUM VOLTACE INITIATOR CURRENT SHOT LENGTH 1 SECOND INSERTION RESISTOR TRIGGER INTERNAL DELAY 100 ms 70 7000 Operating Instructions APPENDIX F SIEMENS TCP Breaker Velocity Calculation Pole Contact 1 8 NT TE jesse cd pene 8 Cont ct 4 10 ms 80 2000 0 5 cycles T i 7 EE Contact Stroke z Transducer Stroke 80 mm 71 7000 Operating Instructions APPENDIX G SIEMENS 5 52 Breaker Velocity Calculation 20 26 ms 12 15 cycles maximum Trip Cal Pole Contact Pole 3 Contact 1 C Contact irovel indication nti Contact Strok 120 Example of Opening Operotion Record v Colculotion For Contoct Opening Velocity V 12 00 b meter second Note 0 0 and moy be measured in ony consistant units 72 CT 7000 Operating Instructions APPENDIX CT 7000 SIEMENS 5
4. OPERATING INSTRUCTIONS for the CT 7000 Digital Circuit Breaker Analyzer VOLTAGE INPUT e D 2 bob INPUT INPUT PRINTER Dipit 7000 Vanguard Instruments Company 4 1710 Grevillea Court Ontario California 91761 TEL 909 923 9390 October 2003 FAX 909 923 9391 Rev 3 CT 7000 Operating Instructions SAFETY WARNINGS AND CAUTIONS Only trained operators shall use the device All circuit breakers under test shall be off line and fully isolated DO NOT SERVICE OR TEST ALONE 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 Due to the added risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modifications to any CT 7000 test unit To ensure that all designed safety features are maintained it is recommended that repairs be performed 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 warranty FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in the operator s manual may create one or more safety hazards damage the CT 7000 the test circuit breaker or cause errors in the test results Va
5. 120 Figure 14 0 Expansion Graph From 0 to 200ms From the Thermal Printer NOTE Analysis point 1 and point 2 are shown on chart Analvsis Point 2 0 10 3 y Analysis Point 1 1 B M 32 CT 7000 Operating Instructions BREAKER TIMING RESULTS CH 01 CH 02 93 vi v2 0 50 100 150 200 MILLISECONOS LEGEND T SHOT NUMBER 0002 TEST OPEN STATION MFR DATE 09 25 03 TIME 14 42 55 CIRCUIT NODE S N Vanguard Instruments Co Inc Ontario CA USA 1998 2003 909 923 9390 FAX 909 923 9391 Rev 2 026 Figure 15 0 Expansion Graph From 0 to 200ms From Ink Jet Printer 83 CT 7000 Operating Instructions CONTACT CLOSED CONTACT CLOSED AND RESISTOR OPEN OPENED CONTACT OPEN TIME RESISTOR ON TIME RESISTOR OPEN TIME CT65K13 030902 Figure 16 0 Graphical Interpretation of an Open Timing Shot CONTACT RESISTOR CLOSED CLOSED CONTACT AND RESISTOR OPENED CLOSED RESISTOR CLOSED TIME RESISTOR ON TIME CONTACT CLOSED TIME CT65K14 030902 Figure 17 0 Graphical Interpretation of a Close Timing Shot 34 CT 7000 Operating Instructions CONTACT ul DEAD TIME 2 OPENED TIME RESISTOR OPENED 5 RESISTOR CLOSED TIME 4 CONTACT CLOSED TIME CONTACT LIVE TIME CONTACT OPENED TIME 2 _ RESIS
6. 52 Test TEST PLAN NUMBER 1 Fs 121 Siemen CONTACT TIME PARAMETERS OFEN MAX lt gt 26 cms gt DELTA LIM gt O c O 0 C FPARAMSs s LIVE MAX cms gt 0 0 MIN cms gt 2 RESISTOR ON TIME PARAMETERS OPEN CL DOSE MAK lt gt c lt gt O DELTA LIM gt O O 0 0 FARAMS LIVE DEAD MA lt gt MIN lt gt O O TRAVEL PARAMETERS STREK UEL HI 1 04 90 OPEN LOW 04 0 CLOSE HI 1 O4 50 CLOSE to 074019 50 VEL eSTROKE 1 12 00 Ms OFEN SPEEDO ANALYSIS POINTS POINT 1 CONTACT POINT CONTACT PLUS 010 O ms CLOSE SPEED ANALYSIS POINTS POINT 1 CONTACT POINT 2 CONTACT MINUS 010 0 mS 73 CT 7000 Operating Instructions APPENDIX CT 7000 Transducer Illustration Rotary Transducer on Alstom HE 1014 Circuit Breaker 74 7000 Operating Instructions String Transducer on ABB 72PM Circuit Breaker 75 Vanguard Instruments Company Inc www vanguard instruments com
7. DIAGNOSTIC NOTE 1 Plot Expansion which is Selection 3 in Step 1 allows the user to expand the graphic results in 100 ms increments 2 Selecting PLOT 0 200 MS will automatically plot the timing chart from 0 to 200 milliseconds in the expansion mode with 10 ms timing markers which can be seen in Figure 14 0 3 Graphical result interpretations are shown in Figures 16 0 17 0 and 18 0 29 7000 Operating Instructions 1 A ZA ai ol i 9 41 2 Figure 12 0 Typical Graphic Result From the Thermal Printer 7000 Operating Instructions BREAKER TIMING RESULTS 01 CH 0 CH 03 CT vi v2 0 50 100 150 20 25 300 350 400 450 500 50 60 75 40 3850 99 950 100 MILLISECONDS LEGEND SHOT NUMBER 0002 TEST OPEN STATION MER 04 25 04 TIME 14 42 55 CIRCUIT MODEL S N Vanguard Instruments Co Inc Ontario CA USA 1998 2003 909 923 9390 FAX 909 923 9391 Rev 2 026 Figure 13 0 Typical Graphic Printout From the Ink Jet Printer 31 CT 7000 Operating Instructions LEGEND 9 20 19 160 19 140
8. Maximum continuous voltage is limited at 300 Vac dc Different trigger voltages can be set at the factory based upon specific requests The CT 7000 will start looking for the external trigger voltage when the message AWAITING TRIGGER is shown on the LCD screen The external trigger voltage needs to be sensed by the CT 7000 within 30 seconds after the initiate sequence has begun The CT 7000 will return to the main menu if no voltage is sensed 9 WHITE OPEN TC TRIGGER WHITE Negative Trip Circuit Figure 7 0 External Trigger Cable Hook Up CT 7000 Operating Instructions 8 6 Transducer Connection A typical transducer connection is shown on Figure 8 0 See Appendix for more transducer connections Transducer Figure 8 0 Transducer Connection 17 CT 7000 Operating Instructions 9 0 Operating Procedures The main steps to time a circuit breaker are listed in Figure 9 0 HOOKUP CT 7000 1 GROUND THE CT 7000 See NOTE 2 CONNECT CT 7000 CABLES TO BREAKER 3 INSTALL TRANSDUCER WITH CABLE APPLY POWER 1 TURN THE CT 7000 ON 2 PERFORM SELF TESTS HOOK UP TEST CABLE TEST IF NECESSARY TIMER BREAKER 1 SELECT THE CT 7000 TEST 2 OPERATE THE BREAKER GET RESULTS 1 READ OR PRINT THE TABULATED RESULTS 2 PRINT THE GRAPHICAL RESULTS 3 SAVE THE TIMING SHOT Figure 9 0 CT 7000 Operating Steps NOTE To reduce the possibility of damaging the CT 7000 contact channels due to static discharge in
9. OFF Voltages from 30 to 255 is considered as ON status Voltages less than 30 Vdc is considered OFF status 2 4 Trip Close Current Monitoring A built in hall effect current sensor records the trip and close coil current levels and duration The coil current waveform can be graphically plotted onto a printout The current reading is also printed in the tabulated report 2 5 Travel Transducer Input Channels Each CT 7000 has three digital transducer input channels The CT 7000 will interface with a linear a rotary and other special transducers developed by Vanguard Instruments Company Please refer to Appendix for more details 2 6 Breaker Initiate Capability A built in solid state initiate device allows the user to operate a breaker from the CT 7000 Operational modes include Open Close Open Close Close Open and Open Close Open The multiple operations of Open Close Close Open and Open Close Open can be initiated with a programmable delay time or by sensing the breaker s contact state The solid state switching implemented in the initiate circuitry allows the CT 7000 to switch a breaker s AC or DC control circuit Two 5 Ampere fast blow fuses protect each trip and close circuits An interlock ARM switch also protects the initiate circuit 2 7 Built in Thermal Printer The breaker s contact analysis results can be outputted in both tabular and graphical formats by a built in 4 5 inch wide thermal pri
10. V2 voltage input channel requires a voltage change from 0 V to above 30 V to see activities on the timing chart CT 7000 Operating Instructions 9 How does one review the current analysis setting 10 The CT 7000 will not communicate with the PC 12 Where can one get some thermal paper 13 How does one darken or lighten the LCD 14 How does one move thermal paper forward or backward Go to SETUP Press key 3 B Select Analysis Press key 1 B Select PRINT SETTING Press key 3 The CT 7000 will print out the current AP1 amp AP2 settings Make sure the CT 7000 is under computer control mode B Make sure your PC communication port is selected correctly Make sure your serial cable is connected properly 11 Turn on Automatic Print Results mode See section 9 21 E Call the factory at 909 923 9390 or BG Instruments at 509 893 9881 The CT 7000 uses TP 4 thermal paper n case of an emergency thermal paper can be purchased at Radio Shack Radio Shack carries 4 25 inch wide thermal paper It is not the right size but it will work E Press and hold the T PAPER LCD key will darken the LCD B Press and hold the lt PAPER LCD key will lighten the LCD Press and release the PAPER LCD key the thermal paper will advance E Press and release the PAPER LCD key the thermal paper will retract 7000 Operating Instructions APPENDIX A ITE Circ
11. 3 The OPEN CLOSE OPEN operations can be initiated by the CT 7000 by using a programmable delay between each of the operations where the delays can be set between the OPEN to CLOSE and between the CLOSE to OPEN commands CT 7000 Operating Instructions 9 1 1 Timing an OPEN Operation With No Insertion Resistors Table 4 0 Open Operation With No Insertion Resistors OPERATION ACTION DISPLAY READY TIMER FOR BREAKER OPERATION PRESS 1 KEY INSERTION RESISTOR 1 NO 2 YES SELECT NO INSERTION RESISTOR PRESS 1 KEY TIMING WINDOWS 1 WINDOW 1 SEC 2 WINDOW z 10 SEC 3 WINDOW 20 SEC SELECT 1 SECOND TIMING WINDOW PRESS 1 KEY TRIGGER MODE 1 Internal Trigger 2 External Trigger SELECT INTERNAL TRIGGER PRESS 1 KEY TIMING MODE 1 OPEN 2 CLOSE 3 O C 4 C O 5 O C O SELECT OPEN OPERATION PRESS 1 KEY OPEN TIMING Hold ARM Switch Then START STOP to ABORT INITIATE OPEN COMMAND HOLD THE ARM TEST IN PROGRESS SWITCH AND Hold ARM Until PRESS THE START Test complete KEY Up to 15 seconds OBSERVE BREAKER OPERATED 1 TIME BREAKER ANALYZER IS READY TO OUTPUT RESULTS 2 GET RESULT 3 SET UP 4 DIAGNOSTIC NOTE One second timing windows are used for breaker timing The 10 and 20 second timing windows are used for circuit switcher timing 2n CT 7000 Operating Instructions 9 1 2 Timing an OPEN Operation With Insertion Resistors The CT 7000 can time breakers with insertion resistors The insertion res
12. 3 PLOT EXPANSION 4 PLOT 0 200 MS PRINT TABULATED RESULTS PRESS 1 KEY SELECT PRINTER 1 INTERNAL THERMAL 2 EXTERNAL INK JET 3 DISPLAY RESULTS OUTPUT TABULATED RESULTS ON PRESS 1 KEY BUSY PRINTING THERMAL PRINTER 2h CT 7000 Operating Instructions BREAKER TIMING RESULTS 60 Hz SHOT NUMBER 2 0 TIME 16 15 59 DATE COMPANY VANGUARD INSTRUMENT STATION CIRCUIT mODEL s a OPERATOR OPEN CONTACT TIME CH TIME CYCLE BOUNCE 4 ms gt lt ms gt O34 20 o2 05 ooo zo O34 20 02 05 1 20 01 867 DELTA TIME lt TRAVEL ANALYSIS Ti STROKE in SPEED 55 OVER TRAVEL in oo o1 BCUNCE BACK in oS 12 10 SPEED ANALYSIS POINT 1 01 00 in POINT 2 05 00 in 11 Ui NOMINAL 47 VOLTS Ui MINIMUM VOLTAGE 47 VOLTS INITIATOR CURRENT 05 7 AMPS i SHOT LENGTH 1 SECOND N 3 INSERTION RESIST OB TRIGGER INTERNAL T 16 15 Figure 10 0 Typical Tabulated Printout of an Open Operation From the Thermal Printer 26 CT 7000 Operating Instructions 9 2 1 Tabulated Results Interpretation 1 Timing Record is time and date stamped by the CT 7000 2 Timing record header information Company Substation name Circuit etc is also saved with test record 3 Timing test type OPEN CLOSE O C C
13. 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 close control circuit test hookup is shown in Figure 5 0 m GREEN EN 1048 WHITE OPEN 6 CLOSE INITIATE INITIATE EL GREEN 5 WHITE o sedi 1 9 mje J lt TC DC CIRCUITS Le Positive Trip Circuit GREEN ai WHITE GREEN OPEN CLOSE INITIATE INITIATE GREEN WHITE 9 7 Negative Trip Circuit Figure 4 0 DC Trip and DC Close Initiate Circuit Cable Hook Up GREEN WHITE 6 6 CLOSE INITIATE d INITIATE AC DC CIRCUITS e WHITE Je 030722 CT7K64 Figure 5 0 DC and Close Initiate Circuit Cable Hook Up 7000 Operating Instructions 8 3 Analog Voltage Monitor Hookup The analog voltage input V1 permits the user to monitor a breaker s DC control voltage during an operation The analog voltage input will record 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 will be printed on a tabulated report Analog waveforms will also be plotted in 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 conne
14. CLOSE Timing Chart for ITE Circuit Breaker Model 14 4 69 APPENDIX OPEN CLOSE Tabulated Report for ITE Circuit Breaker Model 14 4 70 APPENDIX SIEMENS TCP Breaker Velocity 71 APPENDIX SIEMENS 5 52 Breaker Velocity Calculation 72 APPENDIX 7000 SIEMENS SPS2 Test 73 APPENDIX 7000 Transducer Illustration 74 VI CT 7000 Operating Instructions 1 0 Introduction The CT 7000 is a microprocessor based digital time travel circuit breaker analyzer The CT 7000 can fully analyze a utility circuit breaker s performance by measuring the contact time stroke velocity over travel bounce back and contact wipe The contact motion analysis includes Open Close Open Close Close Open and Open Close Open operations A timing window is selectable between one second ten second and twenty second periods The ten and twenty second windows allow timing of long events such as circuit switcher contacts The CT 7000 is available with the following configurations CT 7000 3 B Three Contact Input channels B Three Digital Travel Transducer Input channels One Analog Voltage Monitor Input channel B One Digital Voltage Monitor Input channel B One Trip Close Current Monitor channel CT 7000 6 Six Contact Input channels B Three Digital Travel Transducer
15. CT 7000 by the user The CT 7000 will store the two setup points for calculating velocity one set each for the open and another set for the close operations These setups remain in the CT 7000 s memory until itis changed by the user 44 CT 7000 Operating Instructions 9 10 7 Analysis Point No 1 AP1 Three selections are available to the user for setting analysis point No 1 1 PERCENTAGE OF STRK 2 DISTANCE FROM CLOSE 3 CONTACT 41 a Percentage of Stroke Percentage of stroke is the distance based upon the percentage of the total breaker s stroke distance The distance is always measured from the starting point at the fully closed position of the breaker contacts See appendix A for more detail b Distance From Close Distance from Close range is selectable from 00 0 inch to 99 99 inches or from 0 0 centimeter to 99 90 centimeters Again the distance is referenced from the contact s closed position See Appendix A for more detail c Contact Point 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 Z1 will be used for the selection 9 10 8 Analysis Point No 2 AP2 There are three selections for analysis point 2 1 PERCENTAGE OF STRK 2 DISTANCE FROM CLOSE 3 CONTACT TIME See Paragraph 9 10 7 a for PERCENTAGE OF STROKE description b See Paragraph 9 10 7 b for DISTANCE FROM CLO
16. O DELTA LIM lt gt O 0 0 FARAMS LIVE DEAD gt O ooo MIN lt gt O TRAVEL PARAMETERS STREK VEL BNC mm 1 5 mm mm OFEN HI 1 04 970 003 0 003 0 OPEN LOW OF 20 CLOSE HI O85 1 04 50 O0O4 1 2004 1 CLOSE LO 03 50 000 0 VEL CxCDOISTC RPS gt 3 12 00 Mrs OPEN SPEED ANALYSIS POINTS POINT 1 CONTACT POINT 2 CONTACT PLUS o10 0 SFEED ANALYSIS POINTS 1 CONTACT 2 CONTACT MINUS 010 0 ms h2 Velocity Calculation Formula Figure 21 0 Typical Test Plan Printout of a Siemens SPS2 on Thermal Printer CT 7000 Operating Instructions Contact Stroke 120 mm Transducer Stroke 80 mm Figure 22 0 Siemens SPS2 121 Close Timing Illustration ha CT 7000 Operating Instructions 20 26 ms 12 156 cycles magnu TES Pole 1 Pole EM Pole 3 Contoct travel indication Exomple of Opening Operation Record Calculation For Contact Opening Velocity Y 12 00 b meter second Note a b and be measured in consistont units Figure 23 0 Siemens SPS2 121 O
17. Printout 5 0 7000 Controls and Display 6 6 0 CT 7000 Analyzer SpecifiCatioris me RH PED B eet reed 8 PONG 7000 Special Di Le I C ped 9 7 1 GT 7000 Supplied Gables rne cete 9 7 2 CT 7000 Operating Voltages 10 7 3 C 2000 Main Power USB a bae 10 7 4 7000 Printer and Printer Paper cas es RR RR I b 10 7 5 CT 7000 Printer Paper Control 11 7 6 Replacing CT 7000 Thermal Paper cete eit ent te Got e 11 7 7 7000 LCD Contrast Control seis eret outil 11 8 0 Test Hook up Connections 2 2 2 1 0000 12 8 1 Contact Cable i tret ddr et e dene abt eo 12 8 2 Article Cable teer ecd ence vm Odes 14 8 3 Analog Voltage Monitor 15 8 4 Digital Voltage Monitor HOOKUP 15 8 5 ExteinalzTrgget input qure osito ce e etta ee Rt Mo ter le t eR Dont 16 8 6 Transducer Connection vo 21366202 00028628 E OE 17 9 0 Operating P KOC COM OS imas 18 9 1 Timi
18. Shot STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 83 KEY 1 ANALYSIS POINTS 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT SAVE RESTORE MENU PRESS 3 KEY 1 SAVE SHOT 2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT SELECT ERASE SHOT PRESS 4 KEY 1 ERASE SHOT 2 ERASE ALL SHOTS SELECT ERASE SHOT PRESS 1 KEY ENTER SHOT NUMBER TO BE ERASED XXXX ENTER TO CONFIRM ENTER SHOT NUMBER 1 TO BE PRESS KEYS 0 9 ERASE SHOT 0001 ERASED SELECT SHOT TEST OPEN NUMBER PRESS DATE 034203 09 12 THE ENTER KEY ENTER TO CONFIRM TO CONFIRM CONFIRM TO ERASE SHOT PRESS THE ENTER ERASE IN PROCESS KEY PLEASE WAIT 7 WAIT FOR SHOT BEING ERASED NO ACTION ERASE COMPLETE RETURN TO MAIN MENU PRESS ANY KEY 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC 40 CT 7000 Operating Instructions 9 8 Shot Description The CT 7000 has the capability for users to enter the breaker and other identification information The data usually consists of the names of the company station circuit and manufacturer Other information could be the breaker s model serial number and the operator s name The identification data will print out on the header section of the tabulated report If the user saves the timing shot the identification data will also be saved with the timing shot along with the time and date The user can input letters of the alphabet by utilizing the alphanumeric keys To se
19. input channel V2 monitors the voltage status as ON or OFF conditions and graphs the result A voltage level above 30 Vdc is considered as the ON state The input channel is dedicated to monitor the breaker s auxiliary switch action during a breaker operation NOTE Input voltage ranges from 1 to 300 Vac ac 3 5 Initiate Current Results The CT 7000 not only plots the trip or close current waveforms but also prints the steady state current readings of the trip and close coils during an operation A typical circuit breaker timing report is shown on Figure 10 0 3 6 Slow Close Test Results A Slow Close test determines the contact touch distance and penetration by using the travel transducer and dry contact channels 4 0 Test Result Graphics 4 1 Thermal Printer Graphic Printout A 4 5 inch wide built in thermal printer can output graphic waveforms of the contact channels travel curves and actuator coil 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 12 0 14 0 4 2 Ink jet Printer Output A color graphic report can be printed on the HP Ink jet printer supplied with each CT 7000 The CT 7000 will print color graphics of contact channels travel channels current wave forms on 872 by 11 inch paper CT 7000 Operating Instructions 5 0 CT 7000 Controls and Display Before using the CT 7000 users s
20. the breaker contact moves before the resting position after the over travel Again bounce back is typically found in the close operation See appendix A for more details 9 10 4 Contact Wipe Contact wipe is the distance measured from the 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 contact wipe is measured from the close position to the contact break or parting position NOTE Contact wipe is measured during an operation The measurement may not be as accurate as the measurement done using the Slow Close Mode It is recommended that the user use the Slow Close Test to verify the contact wipe measurement if required Please refer to Paragraph 9 18 for further information on the Slow Close Mode 9 10 5 Breaker Velocity When used with a travel transducer the CT 7000 can calculate the breaker contact velocity through the arc zone Users will need to program the calculation points or analysis points on the travel curve for the unit to calculate the contact velocity Analysis point selections and setup are discussed in the following paragraphs 9 10 6 Analysis Point Selections Analysis points are used to calculate the average contact speed through the contact s arc zone The analysis points are usually specified by the breaker s manufacturers The analysis points can programmed into the
21. 10 24 CONTACT TIME TIME CYCLES BOUNCE gt lt gt 165 00 11 10 196 70 11 80 10 oo 196 20 CONTACT LIVE TIME TIME CYCLES gt o13 00 26 Di 55 PEAK TO PEAK TRAVEL lt gt 44 TOUCH cin 49 NOMINAL VOLTAGE VOLTS Ui MINIMUM VOLTAGE 45 VOLTS INITIATOR CURRENT os 6s AMPS SHOT LENGTH 1 SECOND INSERTION RESISTOR ric TRIGGER INTERNAL DELAY CLOSE CH 68 CT 7000 Operating Instructions APPENDIX D OPEN CLOSE Timing Chart for ITE Circuit Breaker Model 14 4K 1000 MILLISECONDS m 0 v 9qm Seat MU IPU erre rU 4 E SZ E d 155 M R 5 30 m5 49 x S o wc 2 5 0 93 m 16 7000 Operating Instructions APPENDIX E OPEN CLOSE Tabulated Report for ITE Circuit Breaker Model 14 4K BREAKER TIMING RESULTS 60 Hz SHOT NUMBER TIME 13 20 37 DATE COMPANY VANGUARDO INSTRUMENT STATION mr ras MODEL s OPERATOR TEST OPEN CLOSE CONTACT OPEN TIME CH TIME CYCLES BOUNCE lt mS gt lt gt 1 2 2 20 o2 05 20 zm Oi 84
22. 12 0 Recalling a Timing Shot tnter nnne 39 Table 13 0 Deleting Timing 40 Table 14 0 Entering Shot Identification Header 41 Table 15 0 Selecting Aborting Computer Control 43 Table 16 0 Setting Up OPEN Analysis Points Using 47 Table 17 0 Recalling a hore tete e ore tet ek rest 49 Table 18 0 Printa Test Pl n o oe ducet tesa 51 Table 19 0 Print a Breaker Test Plan Directory ier e et ie ort ties 55 Table 20 0 Select Metric Units 222222 17 56 Table 21 0 Select Rotary 2 so tual nesta ete bl ect bci 56 Table 22 0 Setting the Clock and Calendar 57 Table 23 0 Performing a Slow Close 58 Table 24 0 Performing Transducer Self Lor tasti d e lena ecu tea meee 59 Table 25 0 Checking the Cable HooKUp sse crt ettet t e det ded 60 Table 26 0 Automatic Print Setting 61 Table 27 0 Channel SOM ANON dosi e o ett P itd 62 CT 7000 Operating Instructions Appendix APPENDIX A ITE Circuit Breaker model 14 4K Timing 66 APPENDIX CLOSE OPEN Timing Chart for ITE Circuit Breaker Model 14 4 67 APPENDIX CLOSE OPEN Tabulated Report for ITE Circuit Breaker Model 14 4 68 APPENDIX D OPEN
23. 345 CIRCUIT 144 SERIAL 1 OPERATOR HAI TEST CLOSE Figure 19 0 Printout of the Timing Shot Directory From the Thermal Printer 38 CT 7000 Operating Instructions 9 6 Recalling a Timing Shot The following steps in Table 12 0 are used to recall a timing shot stored in the EEPROM to the working memory Once a timing shot is recalled the user can ask for a printout of the test results from the thermal printer Table 12 0 Recalling a Timing Shot STEP OPERATION ACTION DISPLAY SELECT SETUP MENU PRESS 83 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT SAVE RESTORE SHOT PRESS 3 KEY 1 SAVE SHOT 2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT SELECT RESTORE SHOT PRESS 82 KEY ENTER SHOT NUMBER TO BE RESTORED XXXX ENTER TO CONFIRM ENTER SHOT NUMBER 1 TO BE PRESS KEYS 0 9 ENTER SHOT NUMBER RESTORED FOR SHOT ID THEN TO BE RESTORED PRESS THE ENTER 0001 KEY ENTER TO CONFIRM CONFIRM SHOT TO BE RESTORED PRESS THE ENTER RESTORING SHOT 0001 KEY TEST OPEN DATE 034203 09 12 ENTER TO CONFIRM CONFIRM TEST RESTORED o RESTORE COMPLETE RETURN TO MAIN MENU PRESS ANY KEY 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTICS 39 CT 7000 Operating Instructions 9 7 Deleting a Timing Shot Users can delete a specific timing shot or all of the timing shots from the CT 7000 s EEPROM by using the steps described in Table 13 0 Table 13 0 Deleting a Timing
24. ACT TIME TIME CYCLE mS 034 20 02 05 2 034 30 02 06 3 031 20 01 87 Contact Delta Time mS CT CHANNEL ANALYSIS TIME CYCLE mS 000 00 00 00 TRAVEL ANALYSIS STROKE in SPEED ft S OVER TRAVEL in BOUNCE BACK in SPEED ANALYSIS POINT 1 01 00 in POINT 2 05 00 in WIPE in BOUNCE mS 001 20 000 20 000 10 003 10 CH 1 1 06 99 08 53 00 04 00 03 V1 NOMINAL VOLTAGE 49 VOLTS V1 MINIMUM VOLTAGE 47 VOLTS INITIATOR CURRENT SHOT LENGTH INSERTION RESISTOR TRIGGER 05 1 AMPS 1 SECOND NO INTERNAL Figure 11 0 Typical Tabulated Printout of an Open Operation From Ink Jet Printer 2R CT 7000 Operating Instructions 9 3 Get Graphic Timing Results Using the Thermal Printer Selecting the FULL CHART command will plot the timing chart as follows e Timing chart from 0 to 1000 ms with one second window and 50 ms time markers e Timing chart from 0 to 10 seconds with 10 second window and 500 ms time markers e Timing chart from 0 to 20 seconds with 20 second window and one second time markers Table 9 0 Plot Chart and Tabulated Report STEP OPERATION ACTION DISPLAY GET TIMING RESULTS PRESS 2 KEY 1 PRINT TEST RESULTS 2 PLOT FULL CHART 3 PLOT EXPANSION 4 PLOT 0 200 MS PLOT FULL CHART PRESS 2 KEY SELECT PRINTER 1 INTERNAL THERMAL 2 EXTERNAL INK JET PLOTTING GRAPH RETURN TO MAIN MENU AFTER PRINT NO ACTION 1 TIME BRKR 2 GET RSLT 3 SET UP 4
25. COMPUTER ITF MODE STOP TO ABORT NOTES 1 An interconnect cable must be run between the CT 7000 s RS 232C port and an IBM compatible PC 2 Refer to the breaker timing software manual to run the unit remotely from an IBM compatible computer 3 The CT 7000 s RS 232 connector pin layout is in the 4 The operator is required to put the CT 7000 under the 32 Computer ITF Mode before executing the PC program 43 CT 7000 Operating Instructions 9 10 Breaker Travel Analysis The CT 7000 s travel analysis includes the breakers stroke over travel bounce back contact wipe distances and contact velocity calculations 9 10 1 Breaker Stroke The CT 7000 uses a digital transducer to measure a breaker s contact stroke over travel and bounce back The digital transducer output are 200 counts per linear inch of travel therefore the resolution is accurate to about 1 200 inch The output resolution is 0 01 inch on the test result report Unlike slide wire transducers the CT 7000 s transducer needs no calibration or setup A user verifies the transducer s functionality by selecting a diagnostic test for the transducer which is further explained in Paragraph 9 19 9 10 2 Breaker Over Travel Distance Over travel is the distance the contact moves beyond the resting position Over travel is typically found in the close operation See Appendix A for more details 9 10 3 Breaker Bounce Back Distance Bounce back is the distance
26. EN OPERATION INITIATE O C O COMMAND ANALYZER IS READY TO OUTPUT RESULTS ACTION PRESS 1 KEY PRESS 1 KEY PRESS 1 KEY PRESS 1 KEY PRESS 85 KEY ENTER DELAY USING 0 9 KEYS PRESS THE ENTER KEY TO CONFIRM ENTER DELAY USING 0 9 KEYS PRESS THE ENTER KEY TO CONFIRM HOLD THE ARM SWITCH AND PRESS THE START KEY 24 DISPLAY INSERTION RESISTOR 1 NO 2 YES TIMING WINDOWS 1 WINDOW 1 SEC 2 WINDOW 10 SEC 3 WINDOW 20 SEC TRIGGER MODE 1 Internal Trigger 2 External Trigger TIMING MODE 1 OPEN 3 O C 5 O C O 2 CLOSE 4 C O O C Delay in mS 10 350 mSec ENTER when done C O Delay in mS 10 350 mSec ENTER when done OPEN CLOSE OPEN TIMING Hold ARM Switch Then START STOP to ABORT TEST IN PROGRESS Hold ARM Until Test complete Up to 15 seconds 1 TIME BREAKER 2 GET RESULT 3 SET UP 4 DIAGNOSTIC CT 7000 Operating Instructions 9 2 Get Tabulated Timing Results Using the Thermal Printer The circuit breaker timing results can be printed on the thermal printer by using the steps listed in Table 8 0 A typical circuit breaker timing result printed on thermal printer is shown in Figure 10 0 A typical circuit breaker timing result printed on ink jet printer is shown in Figure 11 0 Table 8 0 Get Tabulated Results STEP OPERATION ACTION DISPLAY GET TIMING RESULTS PRESS 82 KEY 1 PRINT TEST RESULTS 2 PLOT FULL CHART
27. Input channels One Analog Voltage Monitor Input channel B One Digital Voltage Monitor Input channel B One Trip Close Current Monitor channel CT 7000 12 E Twelve Contact Input channels B Three Digital Travel Transducer Input channels B One Analog Voltage Monitor Input channel B One Digital Voltage Monitor Input channel B One Trip Close Current Monitor channel There are two different modes of operation for the CT 7000 which are Stand Alone Mode and Computer Control Mode The manual will focus on the Stand Alone Mode The Computer Control Mode is covered under the CT 6500 7000 7500 DIGITMR PC software manual 2 0 CT 7000 Description The CT 7000 applies a test voltage of 35 Vdc to each of the contact channels thus allowing an analog to digital converter A D to determine if a close an open or an insertion resistor was the state of contact The CT 7000 records into the memory 10 000 readings from the A Ds and the transducer position counters The contact time circuit breaker stroke and velocity is then derived from the data that was stored in the memory The CT 7000 uses an up down counter to sense the breaker s transducer reading The CT 7000 travel transducer employs optical encoders to send quadrature signals to the CT 7000 s counters With the use of digital transducers and counters the need to set up or calibrate the transducers is eliminated A built in initiate circuit allows the user to operate the circuit breakers Since the soli
28. N MENU PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM NO ACTION 42 ENTER SERIAL NUMBER XXXX ENTER TO CONFIRM ENTER SERIAL NUMBER XXXX ENTER TO CONFIRM ENTER OPERATOR NAME XXXX ENTER TO CONFIRM 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC CT 7000 Operating Instructions 9 9 Computer Interface Each CT 7000 has an RS 232C port where the Breaker Analysis Software package provided with each CT 7000 enables an IBM compatible personal computer to communicate with the unit The software operating under Windows 95 98 Me 2000 NT and XP environments allow the user to upload timing shots stored in the EEPROM into the computer From the user s computer the user can now reanalyze the breaker s timing shots and then output the timing reports through an office printer Since timing shots are stored in the office computer users can create a database of a breaker s timing history Follow the steps in Table 15 0 to put the CT 7000 under computer control Table 15 0 Selecting or Aborting Computer Control STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 COMPUTER ITF 3 SET CLOCK 4 SET PRINT MODE SELECT COMPUTER INTERFACE PRESS 2 KEY
29. O O C O is identified An OPEN timing shot is shown in figure 10 0 4 Contact channel 1 time is shown in both milliseconds and cycles From Figure 10 0 contact channel 1 time was 34 20 ms or 2 05 cycles 5 Contact channel 1 bounce duration was 0 20 ms 6 Contact channel 1 wipe was measured as 0 72 inches 7 The slowest contact and fastest contact differential time is shown as contact 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 back distance was measured 0 06 inches 12 Contact velocity calculation was from the two analysis points Analysis point 1 was 1 00 inch from the fully closed position Analysis point 2 was 5 00 inches from the fully closed position 13 The DC power supply was monitored during the test The nominal voltage was 47 Volts and the minimum voltage was 47 Volts 14 Initiate current was 5 7 Amperes 15 Timing shot duration was one second 16 Trigger mode was internal therefore the timing window starts at the same time when the CT 7000 energized the circuit breaker 17 There was no insertion resistor in the test thus no insertion resistor time was measured 27 7000 Operating Instructions BREAKER TIMING RESULTS 60 Hz SHOT NUMBER 0002 DATE 09 25 03 TIME 14 42 55 COMPANY STATION S N OPERATOR TEST OPEN CONT
30. R B Press START key on the CT 7000 6 to start the sequence the press the START key and hold the ARM switch on the CT 7000 12 The CT 7000 12 will operate the circuit breaker and start the timing sequence The CT 7000 6 will start its timing sequence as soon as it senses the voltage applied to the breaker coil The timing report of the CT 7000 12 will show the contact time of phase A and B The timing report of the CT 7000 6 shows contact time for phase C If the user downloads the test results of both the CT 7000s to the PC the user then can combine the 2 test reports to generate a 18 channel test report This report now can be printed on the PC printer 63 CT 7000 Operating Instructions 10 0 CT 7000 Trouble Shooting Guide 1 CT 7000 will not trip nor close the breaker 2 Getting message TRIGGER FAULT Trigger When using external trigger 3 Missing timing or transducer channels on report and graphic output 4 No contact time 0 ms in Trip or Close test 5 No contact time 0 ms in Close Open 6 Select Open Close test The breaker opens and will not close 7 No data or erratic reading on travel transducer 8 No activity on V2 voltage input channel E Make sure you hold the ARM switch down during each test B Check the OPEN or CLOSE fuses B Check the initiate leads For a Positive Trip circuit one Close lead and one Open lead should be connected to the Positive side o
31. SE description c CONTACT is available for both OPEN and CLOSE operation under analysis point 2 only For CONTACT TIME the user enters the millisecond time after the contact channel 1 made the transition OPEN to CLOSE or CLOSE to OPEN to define the Analysis Point No 2 For CONTACT TIME the user enters the millisecond time before the contact channel 1 makes the transition from OPEN to CLOSE or CLOSE to OPEN to define the Analysis Point No 2 45 CT 7000 Operating Instructions NOTES 1 Average velocity through the arc zone is calculated by using the following formula Vave Distance Time 2 The breaker contact velocity can be recalculated 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 analysis points because the new velocity is then calculated from the travel data stored in memory from the last operation 3 For complex velocity calculations the user can create a test plan using the CT 7000 Breaker Analysis Software from a PC The test plan then can be downloaded to the CT 7000 The complex breaker velocity calculation can now be executed easily by recalling the test plan before running the timing test 46 CT 7000 Operating Instructions 9 11 Set Up Open Analysis Points Table 16 0 Setting Up OPEN Analysis Points Using Dis
32. SIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT SAVE RESTORE MENU PRESS 83 KEY 1 SAVE SHOT 2 RESTORE SHOT 3 SHOT DIRECTORY 4 ERASE SHOT SELECT SHORT DIRECTORY PRESS 83 KEY 1 SHORT DIRECTORY 2 FULL DIRECTORY STOP TO QUIT SELECT SHORT DIRECTORY PRESS 1 KEY PRINTING ABBREVIATED DIRECTORY STOP TO QUIT RETURN TO MAIN MENU NO ACTION 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC NOTE 1 If the Short Directory was selected the CT 7000 will print out the shot identifications of the last ten timing shots stored in the EEPROM 2 If the Full Directory was selected the CT 7000 will print out the shot identifications of all the timing shots stored in the EEPROM 3 A typical shot directory printout is shown on next page in Figure 19 0 37 CT 7000 Operating Instructions TIMING SHOT ABBREVIATED DIRECTORY SHOT NUMBER DATE 1 12718700 TIME 1 08 08 42 COMPANY 1 STATION MODEL t CIRCUIT SERIAL DPERATOR TEST OPEN SHOT NUMBER DATE 12718700 TIME 06 07 03 COMPANY MFGR 1 STATION MODEL 1 CIRCUIT SERIAL i1 1 OPERATOR TEST SHOT NUMBER DATE 12 18 00 TIME 07 57 42 COMPANY MFGR 1 STATION MODEL 1 CIRCUIT 1 SERIAL 1 t OPERATOR TEST SHOT NUMBER DATE 1 12 18 00 TIME 1 07 56 10 COMPANY URNGURRD INSTRUMENT 5 ITE STATION MDDEL t 12
33. TOR CLOSED TIME CONTACT CLOSED 7 RESISTOR OPENED TIME 915030606 Figure 18 0 Graphical Interpretations of an Open Close and Close Open Timing Shot ah CT 7000 Operating Instructions 9 4 Save Timing Shots in the EEPROM Use the steps in Table 10 0 to save a timing shot in the FLASH EEPROM Table 10 0 Save Timing Shot In EEPROM OPERATION ACTION DISPLAY SELECT SETUP MENU PRESS 83 KEY 1 ANALYSIS POINTS 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT SAVE MENU PRESS 83 KEY 1 SAVE SHOT 2 RECALL SHOT 3 SHOT DIRECTORY 4 ERASE SHOT SELECT SAVE SHOT PRESS 1 KEY SAVE SHOT 8 002 TEST CLOSE DATE 04 23 03 12 36 ENTER TO CONFIRM CONFIRM SAVING SHOT PRESS THE ENTER SAVEIN PROCESS KEY PLEASE WAIT OBSERVE SHOT BEING SAVED 5 5 RETURN MAIN MENU PRESS ANY KEY 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC NOTE Timing shot storage capability varies depending upon the size of the shots The CT 7000 will assign an identification number for each of the shots stored in the EEPROM an CT 7000 Operating Instructions 9 5 Printing Timing Shot Directory Stored in the EEPROM The user can obtain a timing shot directory that was stored in the CT 7000 s FLASH EEPROM by using the following steps in Table 11 0 Table 11 0 Print Timing Shot Directory STEP OPERATION ACTION DISPLAY SELECT SETUP MENU PRESS 83 KEY 1 ANALY
34. YSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 NUMBER OF CHANNELS 3 COMPUTER ITF 4 SET CLOCK 5 PRINT MODE SELECT NUMBER OF CHANNELS PRESS 4 2 KEY NUMBER OF CHANNELS 1 3 CONTACT 2 6 CONTACT 3 12 CONTACT SELECT 3 CHANNELS OR 6 PRESS 1 OR2OR 1 TRANSDUCER 1 CHANNELS OR 12 CHANNELS 3 KEY 2 TRANSDUCER 1 amp 2 3 TRANSDUCER 1 amp 2 amp 3 SELECT 1 TRANSDUCER OR 2 OR 3 PRESS 1 OR 2 OR 1 TIME BREAKER 3 2 GET RESULT 3 SET UP 4 DIAGNOSTIC 2 CT 7000 Operating Instructions 9 23 Running CT 7000 in Tandem For timing application requiring more than 12 timing contact channels the user can use two or more 70005 to time a circuit breaker A typical application is to use a CT 7000 12 and CT 7000 6 to time a 18 contact ATB To time this circuit breaker the user can use the following steps Connect the CT 7000 12 to phase A and B of the circuit breaker Connect the CT 7000 6 to phase C of the circuit breaker B Connect the CT 7000 12 initiate cable to the breaker control circuit This CT 7000 12 will operate the circuit breaker Connect the CT 7000 6 external trigger cable to the OPEN coil for the OPEN test and CLOSE coil for the CLOSE test This CT 7000 6 will operate as a slave device Set the CT 7000 6 to start a test using EXTERNAL TRIGGER E Set the CT 7000 12 to start a test using INTERNAL TRIGGE
35. act 1 CLOSE 2 Set DELAY 3 No DELAY SELECT CONTACT 1 CLOSE PRESS 1 KEY CLOSE OPEN TIMING Hold ARM Switch Then START STOP to ABORT INITIATE OPEN COMMAND HOLD THE ARM TEST IN PROGRESS SWITCH AND Hold ARM Until PRESS THE START Test complete KEY Up to 15 seconds ANALYZER IS READY TO OUTPUT RESULTS 1 TIME BREAKER 2 GET RESULT 3 SET UP 4 DIAGNOSTIC NOTE 1 Users can program a delay from 10 to 500 ms between the CLOSE and OPEN commands When a delay is used in the operation it may not represent a true breaker operating condition 2 Users can also program in no delay for the operation in which case the CLOSE and OPEN commands are initiated at the same time by the CT 7000 23 CT 7000 Operating Instructions 9 1 4 Timing OPEN CLOSE OPEN Operation The OPEN CLOSE OPEN operation requires the user to enter two time delays between the circuit breaker operations The time delays are in millisecond intervals The first delay is from the first OPEN command to the CLOSE command The second delay is from the CLOSE command to the second OPEN command Refer to Table 7 0 for setting up the OPEN CLOSE OPEN operation Table 7 0 Open Close Open Operation Using Delay OPERATION READY TIMER FOR BREAKER OPERATION SELECT NO INSERTION RESISTOR SELECT 1 SECOND WINDOW SELECT INTERNAL TRIGGER SELECT OPEN CLOSE OPEN OPERATION SELECT DELAY BETWEEN OPEN CLOSE OPERATION SELECT DELAY BETWEEN CLOSE OP
36. al paper will show a red stripe in the margin to indicate that the roll is about to run out of paper 7 7 CT 7000 LCD Contrast Control To darken the LCD screen press and hold the PAPER LCD button while to decrease the contrast of the LCD screen press and hold the PAPER LCD until the desired contrast is reached CT 7000 Operating Instructions 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 RED BLK A RED BLK B RED BLK C Typical 3 Phase Breaker Hookup 030722 CT7K61 Figure 2 0 Contact Cable Connection CT 7000 Operating Instructions RED BLK BLK RED Contact Typical Series Contact Hookup 030722 7 62 Figure 3 0 Series Contact Cable Connection 13 7000 Operating Instructions 8 2 Initiate Cable Hookup The CT 7000 will trip or close breakers through a solid state device which will operate on any AC or DC control voltage ranging from 10 to
37. annel provides the following test results E Breaker stroke Over travel Bounce back Contact wipe Contact velocity Breaker contact speed calculations are based upon a contact s travel distance over a period of time which is defined by the manufacturer s specifications A CT 7000 not only calculates simple distance over time speeds but can also support other formulas An example is the Siemens SPS2 breaker calculation formula V 12 2 x a b The formula and analysis point can be stored in a test plan for use later in the field NOTE If operators use a breaker test plan See paragraph 9 13 during testing the test report will also indicate a Pass Fail condition for each test parameter i e contact time stroke velocity etc 3 3 Analog Voltage Input Results The analog voltage input channel V1 measures the breaker s DC control voltage during an operation Printed voltage readings include nominal voltage when the supply voltage has no load and minimum voltage 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 effective in detecting the breaker s power supply problem which normally can not be seen by using a voltmeter NOTE Voltage readings can range from 1 to 255 CT 7000 Operating Instructions 3 4 Digital Voltage Input Results The digital voltage
38. comparing test performance with specifications in the test plan A breaker test plan can be created by using the Breaker Analysis Software supplied with each CT 7000 Test plan is then loaded into the CT 7000 via the RS 232C serial port 2 11 Diagnostic Capabilities The CT 7000 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 user to examine the CT 7000 s components whenever verification is required 2 12 CT 7000 Display and Control Switches An alphanumeric keypad enables the user to operate the CT 7000 and to enter the breaker s nameplate data such as the substation name breaker model and other descriptions A 4 line by 20 character LCD readout displays user messages and menus The LCD is backlit to allow messages can be viewed in low light conditions CT 7000 Operating Instructions 3 0 Test Result Tabulation 3 1 Electrical Measurement Results Under the Time Travel Mode each CT 7000 contact channel provides the following test results Contact Close time Contact Open time B Insertion Resistor Contact Open and Close times Contact Bounce time Resistor On time Contact Spread time NOTE The CT 7000 can detect insertion resistors ranging from 10 to 7 000 Ohms Resistances over 7 000 Ohms are detected as an open contact 3 2 Mechanical Measurement Results Under the Time Travel Mode the digital transducer ch
39. ction or an excessive voltage drop during operation can be easily detected A typical voltage monitoring hook up scheme is shown on Figure 6 0 NOTE The maximum voltage that can be recorded is set at 255 Vdc V1 WHITE 030721 CT85K65 Figure 6 0 Voltage Monitoring Cable Hook Up 8 4 Digital Voltage Monitor Hookup The digital voltage input channel V2 permits the user to monitor the voltage status as ON or OFF states The voltage ON or OFF states will be plotted on the graphical report A typical hook up is shown in Figure 6 0 CT 7000 Operating Instructions 8 5 External Trigger Input The External Trigger Mode enables the user to start recording data when the CT 7000 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 user will need to connect the CT 7000 s initiate cable to the close terminal shown in Figure 4 0 The CT 7000 will energize the 52X relay to start the close operation which will then start the timing when the CT 7000 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 breaker when the user trips or closes the breaker remotely NOTE Minimum trigger voltage is set for 30 Vac dc
40. d state circuit is controlled by a microprocessor the CT 7000 can perform multiple contact operations with ease The initiate circuit is fuse protected for trip and close operations The user is required to hold the ARM switch during a test to complete the initiate circuit as a safety feature CT 7000 Operating Instructions The CT 7000 can also store up to 100 breaker timing test records and 99 breaker test plans into the FLASH EEPROM Stored timing records can be recalled printed or transferred to a personal computer Using the breaker test plan with a timing test the users do not have to set the velocity calculating points The test report will also print PASS and FAIL results 2 1 Contact Timing Channels A breaker s interruption of contacts is timed with the dry contact input channels Each channel can detect the main contacts and the insertion resistor contact times in milliseconds and cycles NOTE The CT 7000 can detect insertion resistors ranging from 10 to 7 000 Ohms Resistances over 7 000 Ohms are detected as an open contact 2 2 Analog Voltage Monitoring Channel One analog voltage input channel V1 is dedicated to monitoring the breakers DC power supply or coil voltages from 0 to 255 or peak Vac NOTE Input voltage ranges from 0 to 300 Vdc or peak Vac Reading ranges from 0 to 255 Vac 2 3 Digital Voltage Monitoring Channel One digital voltage input channel V2 monitors the status voltage as ON or
41. f the power supply B Check the initiate leads For a Negative Trip circuit one Close lead and one Open lead should be connected to the Negative side of the power supply W Trigger voltage was not detected by the CT 7000 E Check the external trigger input to the CT 7000 Make sure the external trigger signal is presented when the CT 7000 displays AWAITING TRIGGER B Timing or transducer channels were not turned on Turn on channels by going to SETUP NEXT PAGE NUMBER OF CHANNELS E Make sure one side of the breaker not grounded 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 B Damaged CT 7000 contact channels or bad cables Try the CHECK HOOK UP test Make sure the breaker contacts complete the transition from the Open initial state to the Close 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 10 ms The CT 7000 has a 10ms de bounce time any contact state less than or equal to 10ms is invalid thus the delay time is probably too slow W Try the Close Open using contact channel 1 option E Delay between Open to Close is probably too small Increase delay time W Bad transducer Try TEST TRANSDUCER diagnostics Transducer slider is not secured to timing rod Transducer is not secured properly The
42. hould become familiar with all of the controls and display indications The keypad and display are used to operate the CT 7000 Figure 1 0 represents the control panel and the numbered lines pointing to each control and indicator refer to Table 1 0 which describes the function of each control and indicator TRANSDUCER INPUT ed Ls a PRINTER 7000 Circuit Breaker Figure 1 0 CT 7000 Control Panel CT 7000 Operating Instructions Table 1 0 CT 7000 Controls and Displays Fig 1 0 PANEL MARKING FUNCTIONAL DESCRIPTION Index no CONTACT INPUT Female connectors for the contact channels 1 12 30 300V 3 pin connectors Each input is a voltage detector for V1 amp V2 the timing voltages of the trip or close coil switching VOLTAGE INPUT during the active period Voltage detection level ranges from 30 to 300 or peak 30 300V 3 pin connector triggers timing functions Voltage levels TRIGGER ranging from 30 to 300 Vac dc or peak VOLTAGE INPUT 120 240Vac 2A 50 60Hz 3 wire power plug 3 Ampere AC fuses The ON OFF Fuse 250Vac Fast Blow SWitch is a 2 pole rocker Safety ground terminal 5 16 18 thread stud with wing nut T1 T2 T3 16 pin connectors Each input is a travel encoder input TRANSDUCER INPUT used for contact motion data 7 Printer No panel marking Thermal printer Microprocessor controlled printer that uses specially treated 4 5 inch wide pape
43. istor can range from 10 to 7 000 Ohms Any insertion resistor more than 7 000 Ohms is detected as an open circuit The timing window 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 Table 5 0 Open Operation With Insertion Resistor STEP OPERATION ACTION DISPLAY READY TIMER FOR BREAKER OPERATION PRESS 1 KEY INSERTION RESISTOR 1 NO 2 YES SELECT INSERTION RESISTOR PRESS 82 KEY RESISTOR VALUE 1 LESS THAN 1000 OHM 2 1000 to 2000 OHM 3 MORE THAN 2000 OHM SELECT LESS THAN 1000 OHM RESISTOR PRESS 41 KEY TIMING WINDOWS RANGE 1 WINDOW 1 SEC 2 WINDOW 10 SEC 3 WINDOW 20 SEC SELECT 1 SECOND WINDOW PRESS 1 KEY TRIGGER MODE 1 Internal Trigger 2 External Trigger SELECT INTERNAL TRIGGER PRESS 1 KEY TIMING MODE 1 OPEN 2 CLOSE 3 O C 4 C O 5 O C O SELECT OPEN OPERATION PRESS 1 KEY OPEN TIMING Hold ARM Switch Then START STOP to ABORT INITIATE OPEN COMMAND HOLD THE ARM TEST IN PROGRESS SWITCH AND Hold ARM Until PRESS THE START KEY Test complete Up to 15 seconds ANALYZER IS READY TO OUTPUT RESULTS 1 TIME BREAKER 2 GET RESULT 3 SET UP 4 DIAGNOSTIC NOTE The user can set the CT 7000 to print tabulated and graphical reports automatically after it completes a test See Paragraph 9 21 for the automatic print setting 21 CT 7000 Operating Instruction
44. lect the letter A the user will need to press key numbered 2 twice To select the letter C the user will need to press the key numbered 2 four times 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 OPERATION ACTION DISPLAY PRESS 83 KEY 1 ANALYSIS POINTS 2 MEASUREMENT UNIT 3 SAVE RESTORE 4 NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 NUMBER OF CHANNELS 3 COMPUTER IF 4 SET CLOCK PRESS 1 KEY ENTER COMPANY NAME XXXXXX ENTER TO CONFIRM PRESS KEYS 0 9 ENTER STATION NAME SELECT SET UP MENU SELECT NEXT PAGE SELECT SHOT DESCRIPTION ENTER COMPANY NAME ENTER STATION NAME ENTER CIRCUIT NAME ENTER MANUFACTURER NAME AND PRESS THE ENTER KEY TO CONFIRM PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM PRESS KEYS 0 9 AND PRESS THE ENTER KEY TO CONFIRM 41 XXXXXX ENTER TO CONFIRM ENTER CIRCUIT NAME XXXXXX ENTER TO CONFIRM ENTER MANUFACTURER NAME XXXXXX ENTER TO CONFIRM ENTER BREAKER MODEL XXXXXX ENTER TO CONFIRM CT 7000 Operating Instructions Table 14 0 Entering Shot Identification Header Continued STEP OPERATION ACTION DISPLAY ENTER BREAKER MODEL ENTER SERIAL NUMBER ENTER OPERATOR NAME RETURN TO MAI
45. nd view timing report Table 17 0 Recalling a Test Plan STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT ANALYSIS POINT PRESS 1 KEY 1 OPEN TIMING 2 CLOSE TIMING 3 PRINT SETTING 4 TEST PLAN SELECT TEST PLAN PRESS 4 KEY 1 LOAD TEST PLAN 2 PRINT TEST PLAN 3 PRINT DIRECTORY 49 7000 Operating Instructions OPERATION ACTION DISPLAY SELECT LOAD TEST PLAN PRESS 1 KEY LOAD TEST PLAN TO SCROLL ENTER TO SELECT VIEW TEST PLAN HEADER PRESS UP or DISPLAY TEST PLAN HEADER DOWN KEY TO SCROLL CONFIRM TEST PLAN TO BE PRESS THE ENTER 1 TIME BRKR LOADED KEY 2 GET RSLT 3 SET UP 4 DIAGNOSTICS BREAKER TIMING RESULTS 60 Hz SHOT NUMBERs OOQO amp 01 02 153 175417 DATE C 51141 eres VANGUARD INSTRUMENT STATION CIRCUIT ITE MODEL 14 otia OPERATOR TEST OPEN CONTACT TIME CH TIME CYCLE BOUNCE mss cms gt gt 1 934 20 02 05 20 00 72 2 02 06 FPRSS000 10 01 87 20 52 DELTA TIME 0093 30 PASS TRAVEL ANALYSIS STROKE in QOT O01 PASS SPEEDO OS 53 FAIL QuER TFKRAUEL in 2 Pass BOUNCE SACK SPEED ANALYSIS POINT 1 01 00 POINT 2 05 00
46. ng Shot Directory From the Thermal 38 Figure 20 0 Typical Test Results With Pass Fail Printout 2022 50 Figure 21 0 Typical Test Plan Printout of a Siemens 5 52 on Thermal 52 Figure 22 0 Siemens 5 52 121 Close Timing Illustration 53 Figure 23 0 Siemens SPS2 121 Open Timing Illustration 54 Figure 24 0 Typical Test Plan Directory Print 220 7 55 Figure 25 0 Typical Slow Close Test MIR oett Uo ape dd 59 CT 7000 Operating Instructions List of Tables Table 1 0 CT 7000 Controls and Displays 7 Table 2 0 7000 epee er eee Rem es eer ne oe 9 Table 3 0 Voltage Selection Jumper 20 0 10 Table 4 0 Open Operation With No Insertion 222222222 2 4 13 20 Table 5 0 Open Operation With Insertion 5 2 21 Table 6 0 Close Open Operation Using Contact Channel 122222222222 1 11 23 Table 7 0 Open Close Open Operation Using 24 Table 8 0 Get Tabulated Results cami to dts Bes os 25 Table 9 0 Plot Chart and Tabulated Report concen ren ette daas 29 Table 10 0 Save Timing Shot In EEPROM 55 5 36 Table 11 0 Print Timing Shot Directory 37 Table
47. ng a eti Qe 19 9 1 1 Timing an OPEN Operation With No Insertion 20 9 1 2 Timing an OPEN Operation With Insertion 5 2222222222222224 224 1 21 9 1 3 Timing CLOSE OPEN Operation Using Contact Channel 1 22 9 1 4 Timing OPEN CLOSE OPEN Operation 24 CT 7000 Operating Instructions 9 2 Get Tabulated Timing Results Using the Thermal 25 9 2 1 Tabulated Results Interpretation 27 9 3 Get Graphic Timing Results Using the Thermal 29 9 4 Save Timing Shots in the EEPROM esses 36 9 5 Printing Timing Shot Directory Stored in the EEPROM 37 9 6 Recalling a Timing oon on at on t te dod 39 9 7 Deleting a Timing SBOE 2 ad eer te 40 9 2 Shot PI forge o RN EET 41 9 9 Computer Interface 43 9 10 Breaker Travel Analysis etre rir tec tein xu iab SEE 44 9 10 1 44 9 10 2 Breaker Over Travel Distance 44 9 10 3 Breaker Bounce Back Distance 44 9 10 4 Contact Wipe 44 9 10 5 44 9 10 6 Analysis Point Selections 22 22 020202 44 9 10 7 Analysi
48. nguard Instruments Company Incorporated assumes no liability for unsafe or improper use of the CT 7000 WARRANTY The CT 7000 s warranty is only valid to the original purchaser to be free from defects in material and workmanship for a period of one year The warranty does not apply to normal wear or damage from misuse abuse improper storage installation accident unauthorized repair or alterations CT 7000 Operating Instructions Table of Contents 1 0 Introduction 2D T 7000 DESCFIDIOFI 2 1 Contact Timing Channels pep hte oderam 2 2 Analog Voltage Monitoring Channel 2 3 Digital Voltage Monitoring Channel 2 4 Tup Glose Current a saec ptores eto dpt mes hace veri 2 5 Travel Transducer Input Channels 2 6 Breaker Initiate Capability B llt in Thermal MME aeneo rari efr 2 8 Computer Interface qe e etie e retis 2 9 Timing Shots Storage Capabilities 2 10 Breaker Test Plan Storage Abilities 2 11 Diagnostic GapabililleS 1 ste teste etc ente idle ese 2 12 CT 7000 Display and Control Switches 3 3 Analog Voltage Input Results 3 4 Digital Voltage Input Results 3 5 Initiate Current Results TOTO IO IO TO IO lO BOVE ST ROS e IB Te M aL Aad RH 5 4 1 Thermal Printer Graphic
49. nter Refer to paragraph 7 4 for ordering thermal paper 2 8 Computer Interface Capabilities A built in RS 232C port permits the CT 7000 to be interfaced with an IBM compatible 2 CT 7000 Operating Instructions personal computer A Windows based Breaker Analysis Software is supplied with each CT 7000 The software is compatible with Windows 95 98 Me 2000 NT and XP The software allows the user to Remotely time circuit breakers from a personal computer Retrieve timing shots stored in the CT 7000 E Down loading circuit breaker test plans to CT 7000 Recall timing shots from a hard drive for reanalysis at an office PC 2 9 Timing Shots Storage Capabilities The CT 7000 uses Electrically Erasable Programmable Read Only Memory EEPROM to store timing shot data Unlike other media 5 are immune to temperature shock and humidity Stored shots can be recalled to reanalyze the test data to reprint test reports or to transfer data to a personal computer for record keeping Up to 100 timing shots can be stored in the EEPROMs The number of shots stored in the EEPROMs may vary depending upon the size of the shot records 2 10 Breaker Test Plan Storage Abilities Up to 99 breaker s test plan can be stored in the CT 7000 Test plans comprise breaker specifications i e stroke velocity contact time By recalling and using a test plan operators can immediately test breakers and view a pass fail report made by
50. on parts and labor Post warranty service contracts available CT 7000 Operating Instructions 7 0 CT 7000 Special Features 7 1 CT 7000 Supplied Cables Table 2 0 CT 7000 Cable set ITEM DESCRIPTION 1 GND Cable 2 Power Cord 3 Contact Cable 3 or 60r 12 4 Contact Extension Cable 3 or 6 or 12 Voltage amp Trigger Leads 3 7 Voltage amp Trigger Extension cables 3 E EET NE EET HN 3 3 HRS 9 CT 7000 Operating Instructions 7 2 CT 7000 Operating Voltages The CT 7000 operating voltage is selectable between 110 120 Vac 50 60 Hz or 220 240 Vac 50 60 Hz Voltage selection is set by the JP1 connector on the Power Supply board and the JP3 connector on the Initiate board of the CT 7000 The jumper settings for the connectors are shown in Table 3 0 Table 3 0 Voltage Selection Jumper Setting VOLTAGE SELECTION CONNECTOR PIN 110 120 Vac Pin1 amp 2 3 amp 4 220 240 Vac Pin2 amp 3 An initiate circuit relay with the corresponding operating voltage must also be installed in the CT 7000 Initiate board NOTE The factory sets the operating voltage 7 3 CT 7000 Main Power Fuse The CT 7000 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 CLOSE initiate are 5 Ampere fuses that should be 3AG 250Vac fast blow types 7 4 CT 7000 Prin
51. ounds 2 Ampere 90 120 Vac 200 240 Vac 50 60 Hz Selectable between 1 10 or 20 second 100 microseconds at 1 second duration 51 0 millisecond at 10 second duration 32 0 millisecond at 20 second duration 3 or 6 or 12 contact channels All contact inputs are grounded until testing is started Each contact detects main and insertion resistor contacts CLOSED less than 20 Ohms OPEN greater than 10 000 Ohms Ranges from 10 to 7 000 Ohms Open Close 30 to 300 Vdc peak Vac 2 voltage inputs sensitivity ranging from 1 0 to 300 peak Vac Analog voltage recording ranges from 1 0 to 255 1 non contact hall effect sensor ranging from 0 2 to 20 Amperes DC to 5 kHz Initiate Open Close Open Close Close Open Open Close Open travel transducer channels Linear motion from 0 0 to 60 0 inches 40 01 inch Rotary ranges from 0 to 360 0 362 Measures the contact point distance Store 99 Circuit Breaker Test Plans Store up to 100 timing records Windows 95 98 2000 NT XP compatible The analysis software can be installed on a IBM compatible computer for graphical display numerical reports and database utility for office use RS 232C Port Backlit LCD screen 4 lines by 20 characters sunlight viewable Contact travel waveforms and tabulated results printout on 4 5 inch thermal paper Hard shipping case for CT 7000 and cables Hard shipping case for Travel Transducers One year warranty
52. pen Timing Illustration CT 7000 Operating Instructions 9 15 Print a Breaker Test Plan Directory The CT 7000 breaker test plan directory stored in the CT 7000 EEPROM using the steps in table below Table 19 0 Print a Breaker Test Plan Directory STEP OPERATION ACTION DISPLAY PRESS 3 KEY PRESS 1 KEY PRESS 4 KEY PRESS 3 KEY SELECT SET UP MENU SELECT ANALYSIS POINT SELECT TEST PLAN SELECT PRINT DIRECTORY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE OPEN TIMING CLOSE TIMING PRINT SETTING TEST PLAN LOAD TEST PLAN PRINT TEST PLAN PRINT DIRECTORY 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC TEST PLAN DIRECTORY 1 SESZ 121 Siemens TEST FLAN COMMENTS TEST PLAN BREE COMMENTS CGH Soa TEST PLAN vs COMMENTS 1 21 7 Hydr 121 1485 I SOH Figure 24 0 Typical Test Plan Directory Print Out hh CT 7000 Operating Instructions 9 16 English Metric or Rotary Transducer Selection The CT 7000 supports and displays both English and Metric calculations from the breaker s travel parameters such as the stroke velocity and other parameters The user can switch from one system to the other by following the steps in Table 20 0 Rota
53. r 1 9 0 ENTER START 16 button keypad The keys are momentary contact STOP CLEAR pushbutton switches Allows users to make menu PAPER LCD selections enter alphanumeric data adjust the LCD ntrast and reposition the printer paper PAPER LCD T P a PUSH TO ARM Spring loaded pushbutton switch Press and hold to complete the Trip or Close circuits for breaker tests Display no panel marking 4 line by 20 character backlit LCD Displays menus options prompts and test result data CLOSE Close circuit fuse 5 Ampere 250V Fast Blow 250V 5A FAST BLOW OPEN Open circuit fuse 5 Ampere 250V Fast Blow 250V 5A FAST BLOW INITIATE 4 pin connector used for the switching circuit for operating the circuit breaker under test RS 232C 9 pin connector for serial computer interface PRINTER Parallel printer port CT 7000 Operating Instructions 6 0 CT 7000 Analyzer Specifications CONTACT TIMING SIZE amp WEIGHT OPERATING POWER TIMING WINDOW RESOLUTION DRY CONTACT INPUT CONTACT RESISTANCE INSERTION RESISTANCE TRIGGER INPUT VOLTAGE INPUTS CURRENT SENSOR INPUT BREAKER INITIATE TRAVEL TRANSDUCER INPUT BREAKER SLOW CLOSE TEST STORAGE CAPABILITIES BREAKER ANALYSIS SOFTWARE included COMPUTER INTERFACE DISPLAY HARD COPY PRINTOUT CARRYING CASE optional WARRANTY Open Close Open Close Close Open and Open Close Open 164 by 14w by 11h inches less than 32 p
54. r Test Plan A circuit breaker test plan contains breaker maximum minimum operating parameters A typical list of operating parameters is show as follows e Max Min Contact Resistor Trip Time e Max Min Contact Resistor Close Time e Max Contact Spread Time e Max Resistor Contact Spread Time e Max min Contact Close Open Time e Max min Contact Open Close Time e Max min Resistor Close Open Time e Max min Resistor Open Close Time e Max Min Breaker Stroke e Max Min Breaker Trip Velocity e Max Min Breaker Close Velocity e Max Min Breaker Over Travel e Max Min Breaker Bounce Back e Trip Velocity Analysis Calculation Points e Close Velocity Analysis Calculation Points The user can create a circuit breaker test plan using the CT 7000 Breaker Analysis Software Up to 99 circuit breaker test plan can be downloaded into the CT 7000 A test plan can be replaced by simply downloading a new test plan into the existing one If a timing test is executed with a breaker test plan the timing report will also display a Pass Fail status for each of the parameters tested 9 13 Recall a Breaker Test Plan Recalling a test plan allows the user to bring the breaker Pass Fail parameters or operating limits to memory Since the breaker test plan contains analysis points and any velocity calculation formula there is no setting required for the CT 7000 After recalling the breaker test plan the user can immediately test circuit breaker a
55. raphs and tabulated results automatically after each timing shot To turn on the Auto Print Results mode follow the steps in Table 26 0 Table 26 0 Automatic Print Setting STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 COMPUTER ITF 3 SET CLOCK 4 SET PRINT MODE SELECT SET PRINT PRESS 4 KEY SET PRINT MODE 1 AUTOMATIC PRINT 2 BY REQUEST ONLY SELECT AUTOMATIC PRINT PRESS 1 KEY 1 BREAKER 2 GET RESULT 3 SET UP 4 DIAGNOSTIC NOTE Select print REQUEST ONLY will disable the Automatic Print mode 61 CT 7000 Operating Instructions 9 22 CT 7000 Channel Configuration The CT 7000 is available with 3 6 or 12 contact inputs Under most common timing conditions the user needs to use only 3 contact timing channels and one travel transducer There is no need to print more than 3 timing channels and one transducer channel on the graphic and tabulated report The CT 7000 will always default to 3 contact channels channel 1 2 and 3 and one transducer channel transducer channel 1 when the user first turns on the unit The user can always turn on the rest of the timing channels and transducer channels by following the steps shown in the table below Table 27 0 Channel Configuration OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANAL
56. ry transducer requires the user to enter the defined linear distance in millimeters or inches per one degree of rotary motion as seen in Table 21 Table 20 0 Select Metric Units of Measure STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT MEASUREMENT UNITS PRESS 2 KEY SELECT UNITS 1 ENGLISH 2 METRIC 3 ROTARY TRANSDUCER SELECT METRIC PRESS 2 KEY 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC Table 21 0 Select Rotary Transducer STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT MEASUREMENT UNITS PRESS 2 KEY SELECT UNITS 1 ENGLISH 2 METRIC 3 ROTARY TRANSDUCER SELECT ROTARY TRANSDUCER PRESS 3 KEY ROTARY ENCODER 1 ENGLISH In deg 2 MM deg SELECT INCH PER DEGREE PRESS 1 KEY INCHES DEGREE 0 014 in deg ENTER 0 50 INCH PER DEGREE ENTER 0 50 USING 0 INCHES DEGREE 9 KEYS 0 500 in deg RETURN TO MAIN MENU PRESS THE ENTER 1 TIME BRKR KEY 2 GET RSLT 3 SET UP 4 DIAGNOSTIC CT 7000 Operating Instructions 9 17 Set CT 7000 Internal Clock The CT 7000 has an internal clock with a lithium battery clock s time and date is displayed on the LCD screen When a timing shot is stored in the EEPROM the time and date are also stored along with the shot To set
57. s 9 1 3 Timing CLOSE OPEN Operation Using Contact Channel 1 The CLOSE OPEN operation of the breaker simulates a condition where a breaker is closed on a fault There are 3 choices for the user to setup the CLOSE OPEN operation 1 Contact 1 CLOSE Open operation is initiated after contact channel 4 1 is closed Refer 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 7000 simultaneously The OPEN coil is energized when the Open auxiliary switch makes NOTE If the Contact 1 CLOSE choice is used the CT 7000 will first initiate a CLOSE command and then send an OPEN command only when it detects that the main contact 1 is closed The mode truly simulates when the breaker is closing on a fault condition in the field 22 CT 7000 Operating Instructions Table 6 0 Close Open Operation Using Contact Channel 1 OPERATION ACTION DISPLAY READY TIMER FOR BREAKER OPERATION PRESS 1 KEY INSERTION RESISTOR 1 NO 2 YES SELECT NO INSERTION RESISTOR PRESS 41 KEY TIMING WINDOWS 1 WINDOW 1 SEC 2 WINDOW 10 SEC 3 WINDOW 20 SEC SELECT 1 SECOND WINDOW PRESS 1 KEY TRIGGER MODE 1 Internal Trigger 2 External Trigger SELECT INTERNAL TRIGGER PRESS 1 KEY TIMING MODE 1 OPEN 2 CLOSE 3 O C 4 C O 5 O C O SELECT CLOSE OPEN OPERATION PRESS 4 KEY C O Second Trigger 1 Cont
58. s Point No 1 1 2 2 2000000000 00001000 45 9 10 8 Analysis Point No 2 2 504104 45 9 11 Set Up Open Analysis 47 9 12 Circuit Breaker Test ei ti ome dt e n ne velnt dv Fata ds 49 9 13 Recall a Breaker Test Plan soc fda Nr SL RA 49 9 14 Print a Breaker Test Plan re ot Sante esta etr eo nd 51 9 15 Print a Breaker Test Plan 222 20 0 2 200 40000800 55 9 16 English Metric or Rotary Transducer Selection 56 9 17 Set CT 7000 Internal Clock ect trt einn 57 9 18 Slow Close TeSt c s contem htt t e ER rud tede e a n eaa 58 9 19 Transducer 59 9 20 Check Cable Hookup s 7 esce secre ti teer tate 60 9 21 Automatic Print dede epe en E donde eat 61 9 22 CT 7000 Channel Configuration 244 tate ite t CS 62 9 23 Running C T 7000 In ire ite ee iR eos 63 10 0 C T 7000 Trouble Shooting GUIS ous 64 CT 7000 Operating Instructions List of Figures Figure 1 0 CT 7000 Control Panel cial 6 Figure 2 0 Contact Cable ConrieeliorTas cns ce scu erre UR LL A D 12 Figure 3 0 Series Contact Cable
59. s by connecting the transducer to the CT 7000 and running a Test Transducer diagnostics Table 24 0 Performing a Transducer Self Test STEP OPERATION ACTION DISPLAY SELECT DIAGNOSTIC PRESS 4 KEY 1 SLOW CLOSE TEST 2 PRINT DATA 3 TEST TRANSDUCER 4 CHECK HOOKUP SELECT TRANSDUCER PRESS 3 KEY TRANSDUCER TEST 1 XXX XX INCHES 2 XXX XX INCHES 3 XXX XX INCHES NOTES 1 After selecting the transducer test mode move the transducer slider and observe the display on the CT 7000 LCD 2 If the slider is moved 1 00 inch the CT 7000 LCD should display 1 00 inch 3 Press the STOP key to return back to the main menu 59 CT 7000 Operating Instructions 9 20 Check Cable Hookup Table 25 0 Checking the Cable Hookup STEP OPERATION ACTION DISPLAY SELECT DIAGNOSTIC PRESS 4 KEY 1 SLOW CLOSE TEST 2 PRINT DATA 3 TEST TRANSDUCER 4 CHECK HOOKUP SELECT CHECK HOOK UP PRESS 4 KEY MAKE SURE BREAKER IS IN CLOSE POSITION THEN PRESS START INITIATE TEST PRESS THE START 123 KEY Ges RETURN TO MAIN MENU PRESS THE STOP 1 BREAKER KEY 2 GET RESULT 3 SET UP 4 DIAGNOSTIC NOTES 1 The CT 7000 will also print the test report with the thermal printer 2 A contact closure is shown as C on the LCD and printout 3 An open contact is shown as on the LCD and printout en CT 7000 Operating Instructions 9 21 Automatic Print Setting The CT 7000 can be set to print g
60. tance STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT ANALYSIS POINT PRESS 1 KEY 1 OPEN TIMING 2 CLOSE TIMING 3 PRINT SETTING 4 TEST PLAN SELECT OPEN TIMING PRESS 1 KEY OPEN ANALYSIS PT 1 1 PERCENT OF STROKE 2 DISTANCE FROM CLOSE 3 CONTACT 1 SELECT DISTANCE FROM CLOSE PRESS 2 KEY OPEN ANALYSIS PT 1 DISTANCE FROM CLOSE VALUE XX XX in ENTER TO CONFIRM ENTER 1 INCH PRESS KEYS 0 9 TO OPEN ANALYSIS PT 1 SET 1 00 USE THE DISTANCE FROM CLOSE ENTER KEY TO VALUE 01 00 in CONFIRM ENTER TO CONFIRM CONFIRM ENTRY PRESS THE ENTER OPEN ANALYSIS PT 2 KEY 1 PERCENTAGE OF STROKE 2 DISTANCE FROM CLOSE 3 CONTACT TIME SELECT DISTANCE FROM CLOSE PRESS 2 KEY OPEN ANALYSIS PT 2 DISTANCE FROM CLOSE VALUE XX XX in ENTER TO CONFIRM ENTER 2 INCHES PRESS KEYS 0 9 TO OPEN ANALYSIS PT 2 SET 2 00 INCHES DISTANCE FROM CLOSE VALUE 02 00 in ENTER TO CONFIRM RETURN TO MAIN MENU PRESS THE ENTER 1 TIME BRKR KEY 2 GET RSLT 3 SET UP 4 DIAGNOSTICS 47 CT 7000 Operating Instructions NOTES 1 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 22 is 2 00 inches from the fully closed position 4R CT 7000 Operating Instructions 9 12 Circuit Breake
61. ter and Printer Paper The built in thermal printer uses 4 5 inch wide thermal paper for printing test results To maintain the highest quality printing and to avoid paper jamming it is highly recommended that the thermal paper be supplied by the factory Additional paper can be ordered from either of the two sources listed below Vanguard Instruments Co Inc 1710 Grevillea Court Ontario CA 91761 Tel 909 923 9390 Fax 909 923 9391 Part Number TP 4 Paper BG Instrument Co 13607 E Trent Avenue Spokane WA 99216 Tel 509 893 9881 Fax 509 893 9803 Part Number TP 4 paper CT 7000 Operating Instructions 7 5 CT 7000 Printer Paper Control To advance the paper from the printer press and release the PAPER LCD button retract the thermal paper from the printer press and release the PAPER LCD button 7 6 Replacing CT 7000 Thermal Paper The roll of thermal paper resides inside a pocket underneath the printer cover To replace the paper follow the steps below m Remove the printer cover m Remove the leftover thermal paper roll from the paper holder m Unroll the new thermal paper m 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 m Place the paper roll into the paper holder m Lift the thermal head and align the thermal paper if necessary m Replace the printer cover back NOTE The therm
62. the clock perform the steps in the following Table 22 0 Table 22 0 Setting the Clock and Calendar STEP OPERATION ACTION DISPLAY SELECT SET UP MENU PRESS 3 KEY 1 ANALYSIS POINT 2 MEASUREMENT UNITS 3 SAVE RESTORE 4 NEXT PAGE SELECT NEXT PAGE PRESS 4 KEY 1 SHOT DESCRIPTION 2 COMPUTER ITF 3 SET CLOCK 4 SET PRINT MODE SELECT SET CLOCK PRESS 3 KEY TIME HH MM 00 XX YY 00 ENTER HOURS AND MINUTES PRESS KEYS 0 9 TIME HH MM 00 00 DATE MM DD YY 22 PRESS KEYS 0 9 TIME HH MM 00 XX YY 00 DATE MM DD YY 22 RETURN MAIN MENU NO ACTION 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC NOTE 1 The clock battery is good for three years 2 Loosing the clock battery will not affect the CT 7000 s performance 57 CT 7000 Operating Instructions 9 18 Slow Close Test The CT 7000 offers a unique feature called a Slow Close test The test permits users to measure the distance of a breaker s contact travel from the fully opened position to the contact or touch position to 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 channel 1 2 3 and the transducer channel 1 will be used for Slow Close test The CT 7000 will measure the contact touch and contact wipe for each contact channel Contact touch is
63. the distance measured from the contact fully opened to the first position where 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 23 0 Performing a Slow Close Test OPERATION ACTION DISPLAY SELECT DIAGNOSTIC MENU PRESS 4 KEY 1 SLOW CLOSE TEST 2 PRINT DATA 3 TEST TRANSDUCER 4 CHECK HOOK UP SELECT SLOW CLOSE TEST PRESS 1 KEY BREAKER SLOW CLOSE TEST RMV CB GND 1 SIDE ENTER TO BEGIN START SLOW CLOSE TEST PRESS THE ENTER CONTACT 1 KEY CONTACT 2 CONTACT 3 LIFT TO CLS BREAKER NOW CONTINUE TO CLOSE BREAKER NO ACTION LIFT BRKR TO CLS POS THEN PRESS ENTER TO FIND CONTACT WIPE RETURN TO MAIN MENU NO ACTION 1 TIME BRKR 2 GET RSLT 3 SET UP 4 DIAGNOSTIC NOTE The user can also save a Slow Close test report in the EEPROM A typical report of a Slow Close test is shown on the next page in Figure 25 0 58 CT 7000 Operating Instructions BREAKER TIMING RESULTS 50 Hz SHOT NUMBER DATE 12 2128 00 TIME OFs41230 COMPANY STATION CIRCUIT mr 2 MODEL OPERATOR TEST SLOW CLOSE Figure 25 0 Typical Slow Close Test Report NOTE By adding the contact touch and the contact wipe distance the total is the breaker stroke 9 19 Transducer Self Test The operator can check the transducer electronic
64. the high voltage substations it is recommend to ground one side of the breaker s bushings 18 CT 7000 Operating Instructions 9 1 Timing a Circuit Breaker The CT 7000 will initiate the breaker operation and do a timing test on the following operations B OPEN CLOSE B OPEN CLOSE B CLOSE OPEN B OPEN CLOSE OPEN NOTE 1 The CT 7000 can start the OPEN CLOSE operations without a delay or by using a programmable delay between the OPEN and CLOSE commands 2 The CLOSE OPEN can be started by the CT 7000 using several options B Contact 1 Close The CT 7000 can initiate a CLOSE command and then an OPEN command after detecting the breakers contact was closed The CT 7000 detects that the breakers contact was closed through contact channel 1 The selection is recommended for the CLOSE OPEN operation since it truly represents when the circuit breaker closed and then opened B Set DELAY The CT 7000 can initiate a CLOSE command and then an OPEN command after a programmable delay that can be set in milliseconds B No DELAY The CT 7000 can initiate a CLOSE command and then an OPEN command without any delay Since the circuit breaker is in the open state the circuit 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
65. uit Breaker model 14 4K Timing Chart CONTACT PENETRATION 1 1 8 INCHES 1 08 OPENING AT RATED C CLOSING CURVE AT RATED CONTROL 1 STROKE VOLTAGE 4 7 INCHES 1 6 TRAVEL SPACE 1 4 INC 2 3 5 4 1 i 1 NO LOAD TRAVEL CLEVES POR OPPNING AND CLOSING OFTRATIONS RATED CONTRO VOLTAGE IM ES S i CLOSED TRAVEL 1 SPACE TRIP Curve cont Trav OPEN IN CYCLES TYPICAL NO LOAD TRAVEL CLIV AT RAT AND TEIP PEEE OPERATIONS ON THIOL VOLTAGE 66 CT 7000 Operating Instructions APPENDIX B CLOSE OPEN Timing Chart for ITE Circuit Breaker Model 14 4 1520 1000 MILLISECONDS 80 w Sg 70 m 90 90 49 m 1 10 Contact Touch Distance Peak To Peak Travel 67 7000 Operating Instructions APPENDIX C CLOSE OPEN Tabulated Report for ITE Circuit Breaker Model 14 4K BREAKER TIMING RESULTS 60 Hz SHOT NUMBER OOO DATE oOF O1i osS TIME 13 18 42 COMPANY VANGUARD INSTRUMENT CIRCUITS MFR MODEL as OPERATOR TEST CLOSE CONTACT CLOSE TIME TIME CYCLES BOUNCE cms gt lt mS gt 172 00 10 32 2 50 170 70 10 24 170 6S0

CT-7000 Operating Instructions - Vanguard Instruments Company, Inc.

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