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Vanguard Instruments Company RFD-200 Operating Instructions Manual

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TEL: (909) 923-9390
FAX: (909) 923-9391
OPERATING INSTRUCTIONS
For the
Model RFD-200
Portable Relay Test Set
Vanguard Instruments Company
1710 Grevillea Court
Ontario, California 91761
June 2003
Rev 1

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  • Page 1 OPERATING INSTRUCTIONS For the Model RFD-200 Portable Relay Test Set Vanguard Instruments Company 1710 Grevillea Court Ontario, California 91761 TEL: (909) 923-9390 June 2003 FAX: (909) 923-9391 Rev 1...
  • Page 2 Due to the added risk of introducing additional or unknown hazards, do not install substitute parts or perform any unauthorized modification to any RFD-200 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 service center.

  • Page 3: Table Of Contents

    RFD-200 Operating Instructions Table of Contents 1.0 Introduction ........................... 1 2.0 DIGITMR Description ......................1 2.1 Online Timing (Quick-Shot) Mode ................1 2.2 Time-Versus-Travel Circuit Breaker Analyzer Mode ..........1 2.2.1 Contact Timing Channels................1 2.2.2 Analog Voltage Monitoring Channel ............1 2.2.3 Digital Voltage Monitoring Channel .............
  • Page 4 RFD-200 Operating Instructions Table of Contents 9.1.1 Timing an OPEN Operation With No Insertion Resistors ......18 9.1.2 Timing an OPEN Operation With Insertion Resistors ........ 19 9.1.3 Timing CLOSE-OPEN Operation Using Contact Channel #1 ....20 9.1.4 Timing OPEN-CLOSE-OPEN Operation ........... 21 9.2 Get Tabulated Timing Results Using the Thermal Printer ........
  • Page 5 RFD-200 Operating Instructions List of Figures Figure 1.0 DIGITMR Control Panel .................... 3 Figure 2.0 Voltage Selection Jumper ..................7 Figure 3.0 Contact Cable Connection ..................9 Figure 4.0 DC Trip and DC Close, Initiate Circuit Cable Hook-Up..........10 Figure 5.0 DC Trip and AC Close, Initiate Circuit Cable Hook-Up ..........11 Figure 6.0 Voltage Monitoring Cable Hook-Up .................
  • Page 6 RFD-200 Operating Instructions List of Tables Table 1.0 DIGITMR Controls and Displays ................4 Table 2.0 DIGITMR Cable set ..................... 6 Table 3.0 Voltage Selection Jumper Setting ................7 Table 4.0 Open Operation With No Insertion Resistors ............18 Table 5.0 Open Operation With Insertion Resistor ..............19 Table 6.0 Close-Open Operation Using Contact Channel #1 ...........
  • Page 7 RFD-200 Operating Instructions Appendix APPENDIX A ITE Circuit Breaker model 14.4K Timing Chart ..........56 APPENDIX B DIGITMR Test Plan for ITE Circuit Breaker model 14.4K ........57 APPENDIX C DIGITMR Timing Chart for ITE Circuit Breaker Model 14.4K ......58 APPENDIX D DIGITMR Tabulated Report for ITE Circuit Breaker Model 14.4K ......
  • Page 8 RFD-200 Operating Instructions 1.0 Introduction The Vanguard Instruments Co. Model RFD-200 is a portable relay test set for testing electromechanical, electronic and micro-processor-based protective relays. This easy-to-use, rugged, test set is designed for testing relays that are used in both indoor and outdoor applications.
  • Page 9 RFD-200 Operating Instructions 2.2 RFD-200 AC & DC Voltage sources A 0-250Vac or 0-300Vdc voltage source is also available (Fig. 1.0). Output voltage is set by the Output-Control knob (Fig. 2.0). Voltage control output can be turned on or off accordingly with the Current/Voltage Source Control function (Fig.
  • Page 10 RFD-200 Operating Instructions 2.2 Timer Start/Stop Input Mode Select Switch Fig 3.0 Timer Start/Stop Input A built-in time/cycle counter allows the user to time events in milli second and cycles. Both the timer start and stop inputs can be initiated by the following conditions: Internal trigger, dry contact input or wet contact input.
  • Page 11 RFD-200 Operating Instructions 2.2.1 Current/Voltage Source Control Mode Current/voltage control mode allows the user to select four possible modes: START-ON, ON, MOM, START-OFF 1. START-ON mode will start the timer when the current/voltage source is turned on. The voltage/current source is turned on by the START/STOP switch (Fig. 2.0).
  • Page 12 Main AC or DC current source is overloaded. 2.2.3 Voltmeter Input Channel. One voltmeter-input channel is available on the RFD-200. Voltage input range is 1 to 600 Vac/dc. Voltage measurement is true RMS for AC/DC. Voltage reading is latched on LCD at the end of each test.

  • Page 13: Introduction

    RFD-200 Operating Instructions 2.2.4 External Current Input. One external current input channel is available on the RFD-200. Input range is 0 to 6 Amperes. This current input channel is protected by a 10 A circuit breaker. Current selector switch allows the RFD-200 to display the internal current source or external current input.

  • Page 14: Breaker Test Plan Storage Abilities

    RFD-200 Operating Instructions 2.2.10 Breaker Test Plan Storage Abilities 2.2.11 Diagnostic Capabilities 2.2.12 DIGITMR Display and Control Switches 3.0 Test Result Tabulation 3.1 Electrical Measurement Results 3.2 Mechanical Measurement Results 3.3 Analog Voltage Input Results 3.4 Digital Voltage Input Results 3.5 Initiate Current Results...

  • Page 15: Figure 1.0 Digitmr Control Panel

    RFD-200 Operating Instructions Figure 1.0 DIGITMR Control Panel...

  • Page 16: Table 1.0 Digitmr Controls And Displays

    RFD-200 Operating Instructions Table 1.0 DIGITMR Controls and Displays Fig. 1.0 PANEL MARKING FUNCTIONAL DESCRIPTION Index no. RS-232C 9-pin connector for serial, computer interface. CONTACT INPUT Female connector for the 3 contact channels. 300V MAX 3-pin connectors. Each input is a voltage detector for the timing voltages of the trip or close coil switching V1 &...

  • Page 17: Digitmr Analyzer Specifications

    RFD-200 Operating Instructions 6.0 DIGITMR Analyzer Specifications CONTACT TIMING Open, Close, Open-Close, Close-Open, and Open-Close-Open SIZE & WEIGHT 16d by 14w by 11h (inches), less than 32 pounds OPERATING POWER 2 Ampere, 90-120 Vac / 200-240 Vac 50/60 Hz AC CURRENT SENSOR...

  • Page 18: Digitmr Special Features

    RFD-200 Operating Instructions 7.0 DIGITMR Special Features 7.1 DIGITMR Supplied Cables Table 2.0 DIGITMR Cable set ITEM DESCRIPTION GND Cable Power Cord Contact Cable Contact Extension Cable Transducer cable Voltage & Trigger Leads Voltage & Trigger Extension cables AC Current Transducer & Cable *...

  • Page 19: Digitmr Operating Voltages

    RFD-200 Operating Instructions 7.2 DIGITMR Operating Voltages The DIGITMR operating voltage is selectable between 110/120 Vac, 50/60 Hz or 220/240 Vac, 50/60 Hz. Voltage selection is set by one connector on the circuit board located at JP3. Jumper setting for the connector is shown in Table 3.0.

  • Page 20: Digitmr Printer And Printer Paper

    RFD-200 Operating Instructions 7.4 DIGITMR Printer and Printer Paper The DIGITMR’s 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.

  • Page 21: Test Hook-Up Connections

    RFD-200 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 3.0. 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.

  • Page 22: Initiate Cable Hookup

    RFD-200 Operating Instructions 8.2 Initiate Cable Hookup A DIGITMR will trip or close breakers through a solid-state device, which will operate on any AC or DC control voltage ranging from 10 to 300 Volts. Both the trip and close circuits are protected by 5 Ampere fuses.

  • Page 23: Figure 5.0 Dc Trip And Ac Close, Initiate Circuit Cable Hook-Up

    RFD-200 Operating Instructions Figure 5.0 DC Trip and AC Close, Initiate Circuit Cable Hook-Up...

  • Page 24: Analog Voltage Monitor Hookup

    RFD-200 Operating Instructions 8.3 Analog Voltage Monitor Hookup The analog voltage, input “V1” permits users 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.

  • Page 25: External Trigger Input

    RFD-200 Operating Instructions 8.5 External Trigger Input The External Trigger Mode enables the user to start recording when the DIGITMR 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.

  • Page 26: Ac Current Sensor Hookup

    RFD-200 Operating Instructions 8.6 AC Current Sensor Hookup A clamp-on, AC current sensor connected to the breaker’s bushing CT allows the DIGITMR to sense the breaker’s bushing current. The AC current sensor requires a minimum of 100 mA to operate. Maximum current is 25 Amperes. A typical hookup is shown on Figure 8.0.

  • Page 27: Transducer Connection

    RFD-200 Operating Instructions 8.7 Transducer Connection A typical transducer connection is shown on Figure 9.0. See Appendix G for more transducer connections. Figure 9.0 Transducer Connection...

  • Page 28: Operating Procedures

    RFD-200 Operating Instructions 9.0 OPERATING PROCEDURES The main steps to time a circuit breaker are listed in Figure 10.0. HOOKUP DIGITMR 1. GROUND DIGITMR (See NOTE) 2. CONNECT DIGITMR CABLES TO BREAKER 3. INSTALL TRANSDUCER AND CABLE APPLY POWER 1. TURN THE POWER FOR DIGITMR ON 2.

  • Page 29: Timing A Circuit Breaker

    RFD-200 Operating Instructions 9.1 Timing a Circuit Breaker Timing Breakers Under Quick-Shot Mode The DIGITMR will provide OPEN or CLOSE times only under the Quick-Shot Mode. The user can have the DIGITMR initiate the OPEN or CLOSE tests, then the test report will show the OPEN or CLOSE coil current reading and waveform.

  • Page 30: Timing An Open Operation With No Insertion Resistors

    RFD-200 Operating Instructions 9.1.1 Timing an OPEN Operation With No Insertion Resistors Table 4.0 Open Operation With No Insertion Resistors STEP OPERATION ACTION DISPLAY READY TIMER FOR BREAKER OPERATION. PRESS #1 KEY. INSERTION RESISTOR? 1.NO 2.YES SELECT NO INSERTION RESISTOR.

  • Page 31: Timing An Open Operation With Insertion Resistors

    RFD-200 Operating Instructions 9.1.2 Timing an OPEN Operation With Insertion Resistors The DIGITMR can time breakers with insertion resistors. The insertion resistor can range from 10 to 7,000 Ohms. Any insertion resistor more than 7,000 Ohms is detected as an open circuit.

  • Page 32: Timing Close-Open Operation Using Contact Channel #1

    RFD-200 Operating Instructions 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.

  • Page 33: Timing Open-Close-Open Operation

    RFD-200 Operating Instructions STEP OPERATION ACTION DISPLAY ANALYZER IS READY TO OUTPUT RESULTS. NONE. 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.

  • Page 34: Get Tabulated Timing Results Using The Thermal Printer

    RFD-200 Operating Instructions STEP OPERATION ACTION DISPLAY SELECT DELAY BETWEEN OPEN-CLOSE ENTER DELAY USING C-O Delay in mS: (10 – 350) OPERATION. 0-9 KEYS, PRESS THE “ENTER” KEY TO mSec CONFIRM. ENTER when done SELECT DELAY BETWEEN CLOSE-OPEN ENTER DELAY USING OPEN-CLOSE-OPEN TIMING OPERATION.

  • Page 35: Figure 11.0 Typical Tabulated Printout Of An Open Operation From The Thermal Printer

    RFD-200 Operating Instructions Figure 11.0 Typical Tabulated Printout of an Open Operation From the Thermal Printer...

  • Page 36: Tabulated Results Interpretation

    RFD-200 Operating Instructions 9.2.1 Tabulated Results Interpretation Contact time is shown in both milliseconds and cycles. From Figure 11.0, contact channel #1 time is 181.50 ms or 10.89 cycles. Contact bounce duration is 1.70 ms. Contact wipe is measured as 0.77 inches.

  • Page 37: Get Graphic Timing Results Using The Thermal Printer

    RFD-200 Operating Instructions 9.3 Get Graphic Timing Results Using the Thermal Printer Selecting the “PLOT FULL CHART” command will plot the timing chart as follows:  Timing chart from 0 to 1000 ms (1 second window) with 50ms time marker ...

  • Page 38: Figure 12.0 Typical Graphic Result From The Thermal Printer

    RFD-200 Operating Instructions Figure 12.0 Typical Graphic Result From the Thermal Printer...

  • Page 39: Figure 13.0 Expansion Graph From 0 To 200Ms From The Thermal Printer

    RFD-200 Operating Instructions Figure 13.0 Expansion Graph From 0 to 200ms From the Thermal Printer NOTE Analysis point # 1 and point #2 are shown on chart.

  • Page 40: Figure 14.0 Graphical Interpretation Of An Open, Timing Shot

    RFD-200 Operating Instructions Figure 14.0 Graphical Interpretation of an Open, Timing Shot Figure 15.0 Graphical Interpretation of a Close, Timing Shot...

  • Page 41: Figure 16.0 Graphical Interpretations Of An Open-Close And A Close-Open, Timing Shots

    RFD-200 Operating Instructions Figure 16.0 Graphical Interpretations of an Open-Close and a Close-Open, Timing Shots...

  • Page 42: Save Timing Shots In The Eeprom

    RFD-200 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 STEP OPERATION ACTION DISPLAY SELECT SETUP MENU. PRESS #3 KEY.

  • Page 43: Printing Timing Shot Directory Stored In The Eeprom

    RFD-200 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 DIGITMR’s FLASH EEPROM by using the following steps in Table 11.0. Table 11.0 Print Timing Shot Directory...

  • Page 44: Figure 17.0 Printout Of The Timing Shot Directory From The Thermal Printer

    RFD-200 Operating Instructions Figure 17.0 Printout of the Timing Shot Directory From the Thermal Printer...

  • Page 45: Recalling A Timing Shot

    RFD-200 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.

  • Page 46: Deleting A Timing Shot

    RFD-200 Operating Instructions 9.7 Deleting a Timing Shot Users can delete a specific timing shot or all of the timing shots from the DIGITMR’s EEPROM by using the steps described in Table 13.0. Table 13.0 Deleting a Timing Shot STEP...

  • Page 47: Recalling A Breaker Test Plan

    RFD-200 Operating Instructions 9.8 Recalling a Breaker Test Plan A breaker test plan contains the breaker’s maximum and minimum operating parameters. Typical list of operating parameters are:  Maximum and minimum Contact Trip Time  Maximum and minimum Contact Close Time ...

  • Page 48: Print A Breaker Test Plan

    RFD-200 Operating Instructions STEP OPERATION ACTION DISPLAY CONFIRM TEST PLAN TO BE PRESS THE "ENTER" KEY. 1. TEST BRKR LOADED. 2. GET RSLT 3. SET UP 4. DIAGNOSTIC 9.9 Print a Breaker Test Plan The user can print a breaker test plan stored in the DIGITMR’s EEPROM by following the steps in Table 15.0.

  • Page 49: Figure 18.0 Typical Test-Plan Printout From The Thermal Printer

    RFD-200 Operating Instructions Figure 18.0 Typical Test-Plan Printout From the Thermal Printer...

  • Page 50: Print Breaker Test Plan Directory

    RFD-200 Operating Instructions 9.10 Print Breaker Test Plan Directory The user can print the breaker test plan directory stored in the DIGITMR’s EEPROM by using the steps in Table 16.0 below: Table 16.0 Print a Breaker Test Plan Directory STEP...

  • Page 51: Shot Description

    RFD-200 Operating Instructions 9.11 Shot Description The DIGITMR 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.
  • Page 52 RFD-200 Operating Instructions Table 17.0 Entering Shot Identification Header (Continued) STEP OPERATION ACTION DISPLAY ENTER BREAKER MODEL. PRESS KEYS 0-9 ENTER SERIAL NUMBER XXXX PRESS THE "ENTER" TO CONFIRM "ENTER" KEY TO CONFIRM. ENTER SERIAL NUMBER. PRESS KEYS 0-9 ENTER SERIAL NUMBER...

  • Page 53: Computer Interface

    RFD-200 Operating Instructions 9.12 Computer Interface Each DIGITMR has an RS-232C port, where the Breaker Analysis Software package, provided with each DIGITMR, enables an IBM-compatible personal computer to communicate with the unit. The software operating under Windows 95, 98, Me, 2000, NT and XP environments allows the user to upload timing shots stored in the EEPROM into the computer.

  • Page 54: Breaker Travel Analysis

    RFD-200 Operating Instructions 9.13 Breaker Travel Analysis The DIGITMR’s travel analysis includes the breaker’s stroke, over-travel, bounce-back, contact-wipe distances and contact velocity calculations. 9.13.1 Breaker Stroke The DIGITMR uses a digital transducer to measure a breaker's contact stroke, over-travel and bounce-back.

  • Page 55: Analysis Point No.1 (Ap1)

    RFD-200 Operating Instructions 9.13.7 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 #1 a. Percentage of Stroke: Percentage of stroke is the distance based upon the percentage of the total breaker’s stroke distance.
  • Page 56 RFD-200 Operating Instructions NOTES 1. Average velocity through the arc zone is calculated by using the following formula:  = Distance Time 2. The breaker contact velocity will be recalculated based upon data stored in the memory after any new analysis points were selected. The user does NOT need to...

  • Page 57: Set-Up Open Analysis Points

    RFD-200 Operating Instructions 9.14 Set-Up Open Analysis Points Table 19.0 Setting Up "OPEN" Analysis Points Using Distance 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.
  • Page 58 RFD-200 Operating Instructions Table 19.0 Setting Up "OPEN" Analysis Points Using Distance (Continued) STEP OPERATION ACTION DISPLAY 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.

  • Page 59: English/Metric Or Rotary Transducer Selection

    RFD-200 Operating Instructions 9.15 English/Metric or Rotary Transducer Selection The DIGITMR 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. Rotary transducer requires the user to enter the defined linear distance in millimeters or inches, per one degree of rotary motion.

  • Page 60: Set Digitmr Internal Clock

    RFD-200 Operating Instructions 9.16 Set DIGITMR Internal Clock The DIGITMR has an internal clock with a lithium battery. The 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.

  • Page 61: Slow-Close Test

    RFD-200 Operating Instructions 9.17 Slow-Close Test The DIGITMR 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.

  • Page 62: Transducer Self-Test

    RFD-200 Operating Instructions Figure 20.0 Typical Slow-Close Test Report NOTE Adding contact touch and contact wipe distance is the breaker stroke. 9.18 Transducer Self-Test The operator can check the transducer electronics by connecting the transducer to the DIGITMR and running a “Test Transducer” diagnostics.

  • Page 63: Check Cable Hookup

    RFD-200 Operating Instructions 9.19 Check Cable Hookup Table 24.0 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.

  • Page 64: Automatic Print Setting

    RFD-200 Operating Instructions 9.20 Automatic Print Setting The DIGITMR can be set to print graphs and tabulated results automatically after each timing shot. To turn on the “Auto Print Results” mode, follow the steps in Table 25.0. Table 25.0 Automatic Print Setting...

  • Page 65: Digitmr Trouble Shooting Guide

    RFD-200 Operating Instructions 10.0 DIGITMR Trouble Shooting Guide Problems Suggestion  Make sure you hold the “ARM” switch down during 1. DIGITMR will not trip nor close the breaker. each test.  Check the OPEN or CLOSE fuses.  Check the initiate leads. For a “Positive Trip” circuit, one Close lead and one Open lead should be connected to the Positive side of the power supply.
  • Page 66 RFD-200 Operating Instructions Problems Suggestion 8. No “PASS” or “FAIL” labels on tabulated report.  Test plan was not loaded before taking a test. Need to load test plan and then re-print the tabulated report.  Go to SETUP (Press key #3).
  • Page 67 RFD-200 Operating Instructions APPENDIX A ITE Circuit Breaker model 14.4K Timing Chart AP1= 1.5” AP2= 3.5”...

  • Page 68: Appendix A Ite Circuit Breaker Model 14.4K Timing Chart

    RFD-200 Operating Instructions APPENDIX B DIGITMR Test Plan for ITE Circuit Breaker model 14.4K...

  • Page 69: Appendix B Digitmr Test Plan For Ite Circuit Breaker Model 14.4K

    RFD-200 Operating Instructions APPENDIX C DIGITMR Timing Chart for ITE Circuit Breaker Model 14.4K...

  • Page 70: Appendix C Digitmr Timing Chart For Ite Circuit Breaker Model 14.4K

    RFD-200 Operating Instructions APPENDIX D DIGITMR Tabulated Report for ITE Circuit Breaker Model 14.4K...
  • Page 71 RFD-200 Operating Instructions APPENDIX E Timing Chart for Siemens TCP-149 Circuit Breaker AP1= Contact Point b= Breaker Stroke a= Distance between AP1 & AP2 AP2= Contact - 10ms NOTE Velocity calculation for the breaker requires the formula: V= 31.5 x (a/b) m/s...

  • Page 72: Appendix E Timing Chart For Siemens Tcp-149 Circuit Breaker

    RFD-200 Operating Instructions APPENDIX F DIGITMR Test Plan for Siemens TCP-140 Circuit Breaker NOTE Formula to calculate the velocity is programmed into the breaker test plan.

  • Page 73: Appendix G Digitmr Transducer Illustration

    RFD-200 Operating Instructions APPENDIX G DIGITMR Transducer Illustration Linear Transducer on an OCB Rotary Transducer on Alstom HE 1014 Circuit Breaker...
  • Page 74 RFD-200 Operating Instructions Rotary Transducer on ABB HMB Mech String Transducer on AMM 72PM Circuit Breaker...
  • Page 75 www.vanguard-instruments.com...

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