Vanguard DigiTMR Manual do Utilizador

DIGITMRTMDIGITAL CIRCUIT BREAKER ANALYZER USER’S MANUAL Vanguard Instruments Company, Inc.1520 S. Hellman Ave. Ontario, California 9176

DIGITMR USER’S MANUAL REV 3 5 Computer Interface The DigiTMR can be computer-controlled via its RS-232C interface. A Windows® XP/Vista-based Circuit B

REV 3 DIGITMR USER’S MANUAL 6 1.2 Operational Modes 1.2.1. Quick-Shot Mode In Quick-Shot (online) mode, the trip/close time is derived from the

DIGITMR USER’S MANUAL REV 3 7 1.4 Technical Specifications Table 1. DigiTMR Technical Specifications TYPE Circuit-breaker analyzer PHYSICAL SPECIFICA

REV 3 DIGITMR USER’S MANUAL 8 1.5 DigiTMR Controls and Indicators The DigiTMR’s controls and indicators are shown in Figure 1 below. A leader

DIGITMR USER’S MANUAL REV 3 9 Table 2. Functional Descriptions of DigiTMR Controls and Indicators Item Number Panel Markings Functional Description 1

REV 3 DIGITMR USER’S MANUAL 10 2.0 PRE-TEST SETUP 2.1 Operating Voltages The DigiTMR’s operating voltage is preset at the factory and is select

DIGITMR USER’S MANUAL REV 3 11 2.4 Printer Paper Control To advance the DigiTMR’s printer paper, press and release the [PAPER ∧ Contrast] key. To ret

REV 3 DIGITMR USER’S MANUAL 12 3.0 OPERATING PROCEDURES 3.1 DigiTMR Cable Connections 3.1.1. Contact Cable Connections A typical contact cable

DIGITMR USER’S MANUAL REV 3 13 3.1.2. Initiate Cable Connections The DigiTMR will trip or close breakers through a solid-state device which will oper

REV 3 DIGITMR USER’S MANUAL 14 Figure 5. DC Trip and AC Close Initiate Circuit Cable Connections

DIGITMR USER’S MANUAL REV 3 i SAFETY SUMMARY FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this User’s Manual may c

DIGITMR USER’S MANUAL REV 3 15 3.1.3. Analog and Digital Voltage Monitor Connections The analog voltage input “V1” can monitor a breaker’s DC control

REV 3 DIGITMR USER’S MANUAL 16 3.1.4. External Trigger Input Connections The External Trigger Mode can be used to start recording when the Dig

DIGITMR USER’S MANUAL REV 3 17 3.1.5. AC Current Sensor Connection The DigiTMR can sense a breaker’s bushing current by using a clamp-on AC current s

REV 3 DIGITMR USER’S MANUAL 18 3.1.6. Transducer Connection A typical transducer connection is shown in Figure 9. See Appendix F for additional

DIGITMR USER’S MANUAL REV 3 19 3.2 General Procedures The main steps for timing a circuit breaker are listed in Figure 10 below. Figure 10. Dig

REV 3 DIGITMR USER’S MANUAL 20 3.4 Timing Breakers in Time-Travel Mode The DigiTMR can initiate the breaker operation and perform a timing tes

DIGITMR USER’S MANUAL REV 3 21 3.5 Performing Timing Tests 3.5.1. Timing an OPEN Operation With No Insertion Resistors To time an OPEN operation wit

REV 3 DIGITMR USER’S MANUAL 22 If you do not wish to save the test shot in memory, press the [2] key, and then continue to step b. b. The foll

DIGITMR USER’S MANUAL REV 3 23 f. The following screen will be displayed: Press and hold down the [ARM] switch, and then press the [START] key. Cont

REV 3 DIGITMR USER’S MANUAL 24 3.5.2. Timing an OPEN Operation WITH Insertion Resistors The DigiTMR can time breakers with insertion resistors

REV 3 DIGITMR USER’S MANUAL ii TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT ...

DIGITMR USER’S MANUAL REV 3 25 e. The following screen will be displayed: Press the [1] key (Internal Trigger) to select the internal trigger. f. T

REV 3 DIGITMR USER’S MANUAL 26 3.5.3. Timing a CLOSE-OPEN Operation Using Contact Channel #1 The CLOSE-OPEN operation of a breaker simulates a

DIGITMR USER’S MANUAL REV 3 27 f. The following screen will be displayed: Press the [1] key (Contact #1 CLOSE). NOTES Option details • Contact #1

REV 3 DIGITMR USER’S MANUAL 28 3.5.4. Timing an OPEN-CLOSE-OPEN Operation To time an OPEN-CLOSE-OPEN operation: a. Start from the “START-UP” m

DIGITMR USER’S MANUAL REV 3 29 f. The following screen will be displayed: Using the numeric keypad, enter the delay time (in milliseconds) between t

REV 3 DIGITMR USER’S MANUAL 30 3.6 Performing Diagnostic Tests 3.6.1. Performing a Slow-Close Test The DigiTMR offers a unique feature called

DIGITMR USER’S MANUAL REV 3 31 After all of the contacts have been closed, the following screen will be displayed: Fully close the breaker. When the

REV 3 DIGITMR USER’S MANUAL 32 3.6.2. Performing a Transducer Self-Test The transducer electronics can be checked by connecting the transducer

DIGITMR USER’S MANUAL REV 3 33 3.6.3. Checking Cable Hookups To check the cable hookups: a. Start from the “START-UP” menu: Press the [4] key (DIAG

REV 3 DIGITMR USER’S MANUAL 34 3.7 Printing Test Results After a timing test has been performed, the test results can be printed in graphical

DIGITMR USER’S MANUAL REV 3 iii 3.8.4. Erasing a Timing Shot From the DigiTMR’s EEPROM ... 49 3.8.5. Erasi

DIGITMR USER’S MANUAL REV 3 35 Figure 12. Typical Tabulated Test Results Printout of an OPEN Operation

REV 3 DIGITMR USER’S MANUAL 36 Table 4. Descriptions of Tabulated Test Results Elements Item Number Description 1 Contact time shown in both mi

DIGITMR USER’S MANUAL REV 3 37 3.7.2. Printing the Graphic Test Results To print the tabulated test results from the last test performed: a. Start f

REV 3 DIGITMR USER’S MANUAL 38 NOTES • If the results are from a test using the 1 second window, the graph will be from 0 to 1000 ms with 50

DIGITMR USER’S MANUAL REV 3 39 Figure 13. Typical Graphic Test Results Printout Digital Voltage Channel V2 Analog Voltage Channel V1 Initiate Current

REV 3 DIGITMR USER’S MANUAL 40 Figure 14. Expansion Graph from 0 to 200 ms Analysis Point #1 Analysis Point #2

DIGITMR USER’S MANUAL REV 3 41 Figure 15. Graphic Interpretation of an OPEN Timing Shot Figure 16. Graphic Interpretation of a CLOSE Timing Shot

REV 3 DIGITMR USER’S MANUAL 42 Figure 17. Graphic Interpretations of OPEN-CLOSE and CLOSE-OPEN Timing Shots

DIGITMR USER’S MANUAL REV 3 43 3.8 Working with Timing Shots 3.8.1. Saving Timing Shots in the DigiTMR’s EEPROM After performing a test, the test sh

REV 3 DIGITMR USER’S MANUAL 44 The following screen will be displayed when the shot has been saved: Press the [ENTER] key. f. You will be ret

REV 3 DIGITMR USER’S MANUAL iv LIST OF FIGURES Figure 1. DigiTMR Controls and Indicators ...

DIGITMR USER’S MANUAL REV 3 45 3.8.2. Printing a Timing Shot Directory of Shots Stored in the EEPROM A listing of all the shots stored in the DigiTMR’

REV 3 DIGITMR USER’S MANUAL 46 e. The following screen will be displayed while the directory is being printed: When printing has finished, yo

DIGITMR USER’S MANUAL REV 3 47 3.8.3. Recalling a Timing Shot From the DigiTMR’s EEPROM You can recall a stored test shot to the working memory by us

REV 3 DIGITMR USER’S MANUAL 48 f. The following screen will be displayed while the shot is being restored: Once the shot has been restored, t

DIGITMR USER’S MANUAL REV 3 49 3.8.4. Erasing a Timing Shot From the DigiTMR’s EEPROM Use the steps below to erase (delete) a specific timing shot fr

REV 3 DIGITMR USER’S MANUAL 50 f. The following confirmation screen will be displayed: Press the [ENTER] key to confirm. g. The following sc

DIGITMR USER’S MANUAL REV 3 51 3.8.5. Erasing All Timing Shots from the DigiTMR’s EEPROM Use the steps below to erase (delete) all timing shots from

REV 3 DIGITMR USER’S MANUAL 52 f. The following screen will be displayed while the test shots are being erased: When all test shots have been

DIGITMR USER’S MANUAL REV 3 53 3.8.6. Entering Shot Description Information A test shot stored in the DigiTMR’s EEPROM can also store breaker and oth

REV 3 DIGITMR USER’S MANUAL 54 e. The following screen will be displayed: Type the station name using the alpha-numeric keypad, and then pres

DIGITMR USER’S MANUAL REV 3 1 CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: • A key or switch on the DigiTMR is ind

DIGITMR USER’S MANUAL REV 3 55 j. The following screen will be displayed Type the operator name using the alpha-numeric keypad, and then press the [

REV 3 DIGITMR USER’S MANUAL 56 3.9 Working with Breaker Test Plans A breaker test plan is comprised of all circuit-breaker performance specifi

DIGITMR USER’S MANUAL REV 3 57 c. The following screen will be displayed: Press the [4] key (TEST PLANS). d. The following screen will be displayed

REV 3 DIGITMR USER’S MANUAL 58 3.9.2. Printing a Breaker Test Plan To print a breaker test plan: a. Start from the “START-UP” menu: Press th

DIGITMR USER’S MANUAL REV 3 59 Figure 19. Typical Test Plan Printout

REV 3 DIGITMR USER’S MANUAL 60 3.9.3. Printing the Breaker Test Plan Directory Follow the steps below to print a directory of all the test pla

DIGITMR USER’S MANUAL REV 3 61 3.10 Changing Setup Parameters 3.10.1. Setting Up Analysis Points Analysis points are used to calculate the average co

REV 3 DIGITMR USER’S MANUAL 62 c. The following screen will be displayed: Press the [1] key (OPEN TIMING) NOTE If you would like to see the

DIGITMR USER’S MANUAL REV 3 63 f. The following screen will be displayed: Press the [2] key (DIST FROM CLOSE). NOTES Option details • PERCENT OF S

REV 3 DIGITMR USER’S MANUAL 64 3.10.2. Setting the Measurement Units The DigiTMR supports both English and Metric calculations from the breaker

REV 3 DIGITMR USER’S MANUAL 2 1.0 INTRODUCTION 1.1 General Description and Features The DigiTMR is a microprocessor-based, time-versus-travel,

DIGITMR USER’S MANUAL REV 3 65 NOTE If a rotary encoder (transducer) is used, the correct “distance/degree” value must be entered before timing the c

REV 3 DIGITMR USER’S MANUAL 66 3.10.3. Setting the DigiTMR’s Internal Clock The DigiTMR has an internal clock with a lithium battery. The batte

DIGITMR USER’S MANUAL REV 3 67 3.10.4. Setting the Preferred Printing Method The DigiTMR can be configured to either print the test results automatica

REV 3 DIGITMR USER’S MANUAL 68 4.0 GLOSSARY OF TERMS Breaker Bounce-Back Distance Bounce-back is the distance the breaker contact moves before

DIGITMR USER’S MANUAL REV 3 69 5.0 DIGITMR TROUBLE-SHOOTING GUIDE PROBLEM DESCRIPTION Possible Causes and Suggested Solutions The DigiTMR will neith

REV 3 DIGITMR USER’S MANUAL 70 No “PASS” or “FAIL” indicators on the tabulated report. • Test plan was not loaded before performing a test. Lo

DIGITMR USER’S MANUAL REV 3 71 APPENDIX Appendix A. ITE Circuit Breaker Model 14.4K Timing Chart AP2 = 3.5”AP1 = 1.5”

REV 3 DIGITMR USER’S MANUAL 72 Appendix B. DigiTMR Test Plan for ITE Circuit Breaker Model 14.4K

DIGITMR USER’S MANUAL REV 3 73 Appendix C. DigiTMR Timing Chart for ITE Circuit Breaker Model 14.4K

REV 3 DIGITMR USER’S MANUAL 74 Appendix D. DigiTMR Timing Chart for ITE Circuit Breaker Model 14.4K

DIGITMR USER’S MANUAL REV 3 3 Analog Voltage Monitoring Channel One analog voltage monitoring channel, designated as “V1”, is dedicated to monitoring

DIGITMR USER’S MANUAL REV 3 75 Appendix E. Timing Chart and Plan for Siemens Type SPS2, 121 Circuit Breaker

REV 3 DIGITMR USER’S MANUAL 76 Appendix F. DigiTMR Transducer Illustrations Figure 21. Transducers Compatible with the DigiTMR Figure 22. Lin

DIGITMR USER’S MANUAL REV 3 77 Figure 23. Rotary Transducer on Alstom HE 1014 Circuit Breaker Figure 24. Rotary Transducer on ABB HMB Mech

REV 3 DIGITMR USER’S MANUAL 78 Figure 25. Westinghouse SFA Transducer Installation Figure 26. ABB 72PM Circuit Breaker with Linear Transducer

DIGITMR USER’S MANUAL REV 3 79 Figure 27. Rotary Transducer on Megna Blast Breaker Figure 28. Rotary Transducer on Federal Pacific Breaker

REV 3 DIGITMR USER’S MANUAL 80 Figure 29. Linear Transducer on Mitsubishi 500-SFMT Figure 30. Linear Transducer on Areva DT1-72.5F

1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com C

REV 3 DIGITMR USER’S MANUAL 4 NOTE If a breaker test plan is used during testing, test results are compared with the specifications in the tes