Vanguard Instruments ATRT-01 S3 User Manual

Vanguard Instruments ATRT-01 S3 User Manual

Single phase transformer turns-ratio meters
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ATRT-01 S3 and ATRT-01B S3
SINGLE PHASE TRANSFORMER TURNS-RATIO METERS
Vanguard Instruments Company, Inc.
1520 S. Hellman Ave.
Ontario, California 91761, USA
TEL: (909) 923-9390
FAX: (909) 923-9391
USER'S MANUAL
March 2014
Revision 1.2

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Summary of Contents for Vanguard Instruments ATRT-01 S3

  • Page 1 ATRT-01 S3 and ATRT-01B S3 SINGLE PHASE TRANSFORMER TURNS-RATIO METERS USER’S MANUAL Vanguard Instruments Company, Inc. 1520 S. Hellman Ave. Ontario, California 91761, USA TEL: (909) 923-9390 March 2014 FAX: (909) 923-9391 Revision 1.2...
  • Page 2 ATRT-01/01B S3 USER’S MANUAL REV 1 SAFETY SUMMARY This manual applies to both the ATRT-01 S3 and ATRT-01B S3 current transformer turns-ratio meters. The operating procedures are virtually the same for both models, and any differences are clearly described where applicable.
  • Page 3: Table Of Contents

    CONVENTIONS USED IN THIS DOCUMENT ..................1 INTRODUCTION ........................2 General Description and Features ................... 2 Technical Specifications ....................4 1.2.1. ATRT-01 S3 Technical Specifications ................ 4 1.2.2. ATRT-01B S3 Technical Specifications ..............5 1.2.3. Controls and Indicators .................... 6 PRE-TEST SETUP ........................
  • Page 4 Table 1. ATRT-01 S3 Technical Specifications ................. 4 Table 2. ATRT-01B S3 Technical Specifications ................5 Table 3. Functional Descriptions of ATRT-01 S3 Controls and Indicators ........7 Table 4. Functional Descriptions of ATRT-01B S3 Controls and Indicators ........8 LIST OF FIGURES Figure 1.
  • Page 5: Conventions Used In This Document

    • The g general term m “ATRT” is u used in this m manual to re efer to the A ATRT-01 S3 a nd ATRT-01 B S3. KEY], [SWI ITCH], [KN NOB] • A key y, switch, or...
  • Page 6: Introduction

    LCD screen. User Interface The ATRT-01 S3 features a back-lit LCD screen (128 x 64 pixels) that is viewable in direct sunlight and low-light levels. A rugged 16-key membrane keypad is used to enter test information and to operate the unit.
  • Page 7 REV 1 ATRT-01/01B S3 USER’S MANUAL Battery Power for Exceptional Portability The ATRT-01B S3 is powered by a 6-volt, 7 ampere-hour, lead acid battery. This high capacity battery, coupled with the ATRT-01B S3’s low power consuming circuitry, allows the unit to be used continuously for up to 4 hours per charge.
  • Page 8: Technical Specifications

    TRT-01/01B S3 USER’S M MANUAL REV 1 Technical S Specificatio 1.2.1. A ATRT-01 S3 3 Technica al Specifica ations Table 1 1. ATRT-01 S S3 Technical Specificatio Transformer Tu urns Ratio Test TYPE FICATIONS D Dimensions: 12 2” x 10” x 8” (30 0.4 cm x 25.4 c...
  • Page 9: Atrt-01B S3 Technical Specifications

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL 1.2.2. A ATRT-01B S S3 Technic cal Specific cations Table 2 . ATRT-01B S3 Technica al Specificatio Transformer Tu urns Ratio Test TYPE FICATIONS D Dimensions: 12 2” x 10” x 8” (30 0.4 cm x 25.4 c cm x 20.3 cm) PHYS...
  • Page 10: Controls And Indicators

    REV 1 1.2.3. Controls and Indicators The ATRT-01 S3 and ATRT-01B S3 controls and indicators are shown in Figure 1 and Figure 2, respectively. A leader line with an index number points to each control and indicator, which is cross-referenced to a functional description in the corresponding table. The purpose of the controls and indicators may seem obvious, but users should familiarize themselves with them before using the ATRT.
  • Page 11: Table 3. Functional Descriptions Of Atrt-01 S3 Controls And Indicators

    REV 1 ATRT-01/01B S3 USER’S MANUAL Figure 1. ATRT-01 S3 Controls and Indicators Table 3. Functional Descriptions of ATRT-01 S3 Controls and Indicators Item Panel Markings Functional Description Number USB MEM USB Flash drive interface RS-232C RS-232C computer interface port...
  • Page 12: Table 4. Functional Descriptions Of Atrt-01B S3 Controls And Indicators

    ATRT-01/01B S3 USER’S MANUAL REV 1 Figure 2. ATRT-01B S3 Controls and Indicators Table 4. Functional Descriptions of ATRT-01B S3 Controls and Indicators Item Panel Markings Functional Description Number USB MEM USB Flash drive interface RS-232C RS-232C computer interface port Back-lit LCD screen (128 x 64 pixels), viewable in bright sunlight and low light levels H and X lead connector (16-pin male).
  • Page 13: Pre-Test Setup

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL PRE-TEST T SETUP ATRT-01 S3 3 Operating g Voltage The ATRT T-01 S3 can be operated d from 120 V Vac ±10% or 240 Vac ±10 0%. The pow wer voltage c...
  • Page 14: Operating Procedures

    ATRT-01/01B S3 USER’S MANUAL REV 1 OPERATING PROCEDURES ATRT Transformer Connection Diagrams Figure 3. Typical Single-Phase Transformer Connection...
  • Page 15: Figure 4. Typical Auto Transformer Connection

    REV 1 ATRT-01/01B S3 USER’S MANUAL Figure 4. Typical Auto Transformer Connection...
  • Page 16: Figure 5. Typical Ct Connection

    ATRT-01/01B S3 USER’S MANUAL REV 1 Figure 5. Typical CT Connection...
  • Page 17: Figure 6. Typical Bushing Ct Connection On A Single Transformer

    REV 1 ATRT-01/01B S3 USER’S MANUAL Figure 6. Typical Bushing CT Connection on a Single Transformer...
  • Page 18: Setting The Test Voltage

    3. CALC ULATOR 3. CALCUL LATOR bAT: time: 14:21:34 time: 14:21:34 date: 05/24/11 date: 05/24/1 ATRT-01 S3 “ “START-UP” menu ATRT-01B S S3 “START-U UP” menu ress the key (SETUP b. T he following g screen will be displaye 1. RECORD D ID 1.
  • Page 19 REV 1 ATRT-01/01B S3 USER’S MANUAL d. The voltage will be set and the following confirmation message will be displayed: 40 VOLTS SET Press any key to return to the “START-UP” menu.
  • Page 20: Setting The Date And Time

    ATRT-01/01B S3 USER’S MANUAL REV 1 Setting the Date and Time To set the date and time: a. Start from the “START-UP” menu: 1. TEST TRANSFORMER 2. SETUP 3. CALCULATOR time: 14:21:34 date: 05/24/11 Press the key (SETUP). b. The following screen will be displayed: 1.
  • Page 21: Setting The Interface Language

    REV 1 ATRT-01/01B S3 USER’S MANUAL Setting the Interface Language Follow the steps below to set the interface language (English, Spanish, or Turkish): a. Start from the “START-UP” menu: 1. TEST TRANSFORMER 2. SETUP 3. CALCULATOR time: 14:21:34 date: 05/24/11 Press the key (SETUP).
  • Page 22: Setting The Frequency (Atrt-01B S3 Only)

    TRT-01/01B S3 USER’S M MANUAL REV 1 Setting the Frequency y (ATRT-01 1B S3 Only Follow th he steps belo ow to set the e preferred frequency (5 50 or 60 Hz) a. St tart from th e “START-UP P” menu: 1.
  • Page 23: Performing Tests

    REV 1 ATRT-01/01B S3 USER’S MANUAL Performing Tests 3.6.1. Entering Test Record Header Information You can enter the test record header information before performing tests. The record header includes identifying information such as the company, station, circuit, manufacturer, etc. Once the header information has been set, it will apply to all subsequent test records.
  • Page 24 ATRT-01/01B S3 USER’S MANUAL REV 1 [ENTER] key to move to the previous character. Press the key when you are done typing the company name. d. The following screen will be displayed: STATION: ↑ ↓ TO POSITION "ENTER" TO ACCEPT [ENTER] Type the station name using the alpha-numeric keypad and then press the key.
  • Page 25 REV 1 ATRT-01/01B S3 USER’S MANUAL g. The following screen will be displayed: MODEL: ↑ ↓ TO POSITION "ENTER" TO ACCEPT Type the transformer’s model information using the alpha-numeric keypad and then [ENTER] press the key. h. The following screen will be displayed: SERIAL NUMBER: ↑...
  • Page 26 ATRT-01/01B S3 USER’S MANUAL REV 1 j. The following screen will be displayed: OPERATOR: ↑ ↓ TO POSITION "ENTER" TO ACCEPT [ENTER] Type the operator’s name using the alpha-numeric keypad and then press the key. All header information will be saved, and you will be returned to the “START-UP” menu.
  • Page 27: Testing A Single Phase Transformer

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL 3.6.2. T Testing a S ingle Phas se Transfo rmer Follow th he steps belo ow to test a single phase e transforme a. St tart from th e “START-UP P” menu: 1.
  • Page 28 ATRT-01/01B S3 USER’S MANUAL REV 1 NAME PLATE VOLTAGE: H : X Type the H winding name plate voltage value using the numeric keypad. The screen will be updated as shown: NAME PLATE VOLTAGE: H : X 500 : [ENTER] Press the key.
  • Page 29 REV 1 ATRT-01/01 1B S3 USER’S S MANUAL d. T he following g screen will be displaye "STAR RT" TO TE "STOP P" TO ABO TART] ress the key t to start the t test. e. T he following g screen will be displaye d while the test is being...
  • Page 30 TRT-01/01B S3 USER’S M MANUAL REV 1 f. T he following g screen will be displaye KEEP THI S READING 1. YES 2. NO ress the key (YES) to o save the re eading. g. T he following g screen will be displaye ST SAVED ress any key...
  • Page 31 REV 1 ATRT-01/01 1B S3 USER’S S MANUAL h. T he following g screen will be displaye RUN ANOT THER TEST? 1. YES 2. NO 3. REPEA AT PREV. T TEST ress the key (NO). i. T he following g screen will be displaye SAVE THI S RECORD?
  • Page 32: Testing A Three Phase Transformer

    TRT-01/01B S3 USER’S M MANUAL REV 1 3.6.3. T Testing a T hree Phas e Transfor rmer Follow th he steps belo ow to test a three phase e transforme a. St tart from th e “START-UP P” menu: 1. TEST T TRANSFORM 2.
  • Page 33 REV 1 ATRT-01/01 1B S3 USER’S S MANUAL d. T he following g screen will be displaye 1. DY1 2. DY3 3. DY5 4. DY7 5. DY9 6. DY11 elect the tra ansformer co onfiguration by pressing g the corresp ponding key .
  • Page 34 ATRT-01/01B S3 USER’S MANUAL REV 1 [ENTER] Press the key. The following screen will be displayed: NAME PLATE VOLTAGE: H : X 500 : 0 Type the X winding name plate voltage value using the numeric keypad. The screen will be updated as shown: NAME PLATE VOLTAGE: H : X 500 : 10...
  • Page 35 REV 1 ATRT-01/01B S3 USER’S MANUAL PHASE A CABLE XFMR X1,X2 x1,x0 h1,h2 h1,h3 "START" when READY [START] Make the cable connections per the instructions and then press the key to run the Phase A test. g. The following screen will be displayed while the test is being performed: TESTING: DYN1 phase a The Phase A test results will be displayed on the LCD screen when testing has finished:...
  • Page 36 ATRT-01/01B S3 USER’S MANUAL REV 1 TESTING: DYN1 phase B The Phase A and B test results will be displayed on the LCD screen when testing has finished: %DIFF RATIO +15.003 0.02 +15.015 0.10 "ENTER" TO CONTINUE.. Line 1 of the results shows the Phase A test results, and line 2 shows the Phase B test results.
  • Page 37 REV 1 ATRT-01/01 1B S3 USER’S S MANUAL TEST T RESULTS %DIFF RATIO A +15.00 0.02 B +15.015 0.10 C +15.00 0.00 ° 0.0° .0° XFMR TY YPE: DYN1 he phase an ngles for Pha se A, B, and C are also d displayed at the bottom of the test...
  • Page 38 TRT-01/01B S3 USER’S M MANUAL REV 1 TA) to clear any previou us data from the unit’s m memory buff fer and only save e current tes st results. e following s screen will th hen be displ ayed: TEST T SAVED ess any key t to continue.
  • Page 39 REV 1 ATRT-01/01B S3 USER’S MANUAL Press any key to return to the “START-UP” menu.
  • Page 40: Working With Test Records

    ATRT-01/01B S3 USER’S MANUAL REV 1 Working With Test Records 3.7.1. Viewing the Contents of the Working Memory Whenever a test is performed or a test record is retrieved, the data is stored in the ATRT’s working memory. You can view the test data using the steps below: a.
  • Page 41: Saving Test Results To A Test Record

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL 3.7.2. S Saving Tes t Results t to a Test R Record After per rforming a te est, the user r is presente ed the option n to save the e test results s to the unit’...
  • Page 42 ATRT-01/01B S3 USER’S MANUAL REV 1 If a USB Flash drive is connected to the unit, continue to step d. If a USB Flash drive is NOT connected to the unit, continue to step e. d. The following screen will be displayed: 1.
  • Page 43: Restoring A Test Record From Flash Eeprom

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL 3.7.3. R Restoring a a Test Reco ord From F Flash EEPR Use the s steps below to restore a a test record from the AT TRT’s Flash E EEPROM to t the working memory: a.
  • Page 44 TRT-01/01B S3 USER’S M MANUAL REV 1 d. The following g screen will be displaye REST ORE RECOR 1.ENTER RECORD NU UMBER 2.SCROLL L TO SELEC If y you have a U USB Flash driv ve inserted in the ATRT’ ’s “USB MEM M”...
  • Page 45 REV 1 ATRT-01/01B S3 USER’S MANUAL 1.2. The following screen will be displayed: RECORD RESTORED! DISPLAY RECORD? 1.YES 2.NO Press the key (YES) to display the test record. 1.3. The basic information about the restored test record will be displayed as shown: SINGLE PHASE Num Tests: 1...
  • Page 46 ATRT-01/01B S3 USER’S MANUAL REV 1 [Contrast ∧] [Contrast ∨] Press the button or the key to display the next or previous test record, respectively. The basic test record information will be displayed as shown: 05/25/11 09:52 SINGLE PHASE 1 TESTS When you have located the test record that you would like to restored, [ENTER] press the...
  • Page 47: Restoring A Test Record From A Usb Flash Drive

    REV 1 ATRT-01/01B S3 USER’S MANUAL 3.7.4. Restoring a Test Record From a USB Flash Drive Use the steps below to restore a test record from a USB Flash drive to the ATRT’s working memory: a. Make sure the USB Flash drive containing the test record(s) is inserted in the ATRT’s USB Flash drive port (“USB MEM”...
  • Page 48 ATRT-01/01B S3 USER’S MANUAL REV 1 d. The following screen will be displayed: 1.INTERNAL STORAGE 2.THUMB DRIVE Press the key (THUMB DRIVE). e. The following screen will be displayed: RESTORE THUMB DRIVE REC_ Type the record number that you would like to restore using the alpha-numeric keypad [ENTER] and then press the key.
  • Page 49 REV 1 ATRT-01/01B S3 USER’S MANUAL [Contrast ∨] Press the key. The test record details will be displayed as shown below: 1 SINGLE PHASE 40 volts %DIFF RATIO 1.003 0002 [STOP] Press the key to return to the “START-UP” menu. The restored test record will remain loaded in the working memory.
  • Page 50: Copying Test Records To A Usb Flash Drive

    ATRT-01/01B S3 USER’S MANUAL REV 1 3.7.5. Copying Test Records to a USB Flash Drive Use the steps below to copy one or all test records from the unit’s Flash EEPROM to a connected USB Flash drive: a. Make sure a USB Flash drive is connected to the unit’s “USB MEM” port, and then start from the “START-UP”...
  • Page 51 REV 1 ATRT-01/01B S3 USER’S MANUAL d. The following screen will be displayed: COPY REC TO THUMB DRV 1.COPY SINGLE RECORD 2.COPY ALL RECORDS 1. COPY SINGLE RECORD Press the key (COPY SINGLE RECORD) to copy a single test record from the ATRT’s Flash EEPROM to the connected USB Flash drive.
  • Page 52 ATRT-01/01B S3 USER’S MANUAL REV 1 2. COPY ALL RECORDS Press the key (COPY ALL RECORDS) to copy all test records from the ATRT’s Flash EEPROM to the connected USB Flash drive. All test records will be copied from the unit to the connected USB Flash drive. The following screen will be displayed when the process is finished: ALL RECORDS HAVE BEEN TRANSFERRED TO THUMB...
  • Page 53: Viewing The Test Record Directory

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL 3.7.6. V Viewing the e Test Reco ord Directo Use the s steps below to browse t hrough a dir rectory of th he test recor rds stored in the ATRT’s Flash EEP PROM memo ory: a.
  • Page 54 ATRT-01/01B S3 USER’S MANUAL REV 1 d. The following screen will be displayed: RECORDS DIRECTORY "UP" TO SCROLL FWD "DWN" TO SCROLL RVS [Contrast ∧] [Contrast ∨] Press the key to scroll through the test record directory. The test record header will be displayed as shown: SINGLE PHASE Num Tests: 1 05/27/11...
  • Page 55: Erasing Test Records From The Flash Eeprom

    REV 1 ATRT-01/01B S3 USER’S MANUAL 3.7.7. Erasing Test Records from the Flash EEPROM Follow the steps below to erase test records from the Flash EEPROM a. Start from the “START-UP” menu: 1. TEST TRANSFORMER 2. SETUP 3. CALCULATOR time: 14:21:34 date: 05/24/11...
  • Page 56 TRT-01/01B S3 USER’S M MANUAL REV 1 d. T he following g screen will be displaye SE RECORD 1.ERASE SINGLE RE 2.ERASE ALL RECOR "STO P" TO EXI If y you have a U USB Flash driv ve inserted in the ATRT’ ’s “USB MEM M”...
  • Page 57 REV 1 ATRT-01/01 1B S3 USER’S S MANUAL ERASE RE CORD NUMBER: You can cancel the p process and return to th e “START-UP P” menu by [STOP pressing g the key. NOTE Type t the record n number that you would l like to erase e using the a...
  • Page 58 ATRT-01/01B S3 USER’S MANUAL REV 1 2. SCROLL TO SELECT Press the key (SCROLL TO SELECT) to scroll through the test record directory and locate the test record that you would like to erase. The following screen will be displayed: RECORDS DIRECTORY "UP"...
  • Page 59 REV 1 ATRT-01/01B S3 USER’S MANUAL 2. ERASE ALL RECORDS Press the key (ERASE ALL RECORDS) to erase all the test records from the unit’s internal Flash EEPROM. The following warning screen will be displayed: ERASE ALL RECORDS! ARE YOU SURE? "ENTER"...
  • Page 60: Erasing Test Records From A Usb Flash Drive

    ATRT-01/01B S3 USER’S MANUAL REV 1 3.7.8. Erasing Test Records from a USB Flash Drive Follow the steps below to erase test records from a USB Flash drive: a. Make sure a USB Flash drive is connected to the unit’s “USB MEM” port, and then start from the “START-UP”...
  • Page 61 REV 1 ATRT-01/01B S3 USER’S MANUAL e. The following screen will be displayed: ERASE RECORD 1.ERASE SINGLE REC. 2.ERASE ALL RECORDS "STOP" TO EXIT 1. ERASE SINGLE REC. Press the key (ERASE SINGLE REC.) to erase a single test record from the connected USB Flash drive.
  • Page 62 ATRT-01/01B S3 USER’S MANUAL REV 1 [STOP] Press the key if you do not want to erase all the test records. You will be returned to the “START-UP” menu. [ENTER] Press the key to proceed with deleting all the test records from the connected USB Flash drive.
  • Page 63: Using The Turns Ratio Calculator

    REV 1 ATRT-01/01 1B S3 USER’S S MANUAL Using the T Turns Ratio o Calculato The ATRT T-01 and ATR RT-01B S2 fe eature a turn ns ratio calcu ulator that c can be used to calculate turns rat io for variou us transform mer types.
  • Page 64 ATRT-01/01B S3 USER’S MANUAL REV 1 c. The following screen will be displayed: H0 accessible? 1. YES 2. NO 1. YES Press the key (YES) if H0 is accessible. The following screen will be displayed: 1. YND1 2. YND3 3. YND5 4.
  • Page 65 REV 1 ATRT-01/01B S3 USER’S MANUAL d. The following screen will be displayed NAME PLATE VOLTAGE: H : X Type the H name plate voltage value using the keypad. The screen will be updated: NAME PLATE VOLTAGE: H : X 1,734 : [ENTER] Press the...
  • Page 66: Appendix A - Transformer Vector Group Codes

    ATRT-01/01B S3 USER’S MANUAL REV 1 APPENDIX A – TRANSFORMER VECTOR GROUP CODES Utility power transformers manufactured in accordance with IEC specifications have a Rating Plate attached in a visible location. This plate contains a list of the transformer's configuration and operating specifications.
  • Page 67: Appendix B - Common Ansi Transformer Descriptions

    REV 1 ATRT-01/01B S3 USER’S MANUAL APPENDIX B – Common ANSI Transformer Descriptions...
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  • Page 75: Appendix C - Cei/Iec 60076-1 Transformer Descriptions

    REV 1 ATRT-01/01B S3 USER’S MANUAL APPENDIX C – CEI/IEC 60076-1 Transformer Descriptions...
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  • Page 82: Appendix D - Australian Std.2374 Transformer Descriptions

    ATRT-01/01B S3 USER’S MANUAL REV 1 APPENDIX D – Australian Std.2374 Transformer Descriptions...
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  • Page 89 1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com Copyright © 2014 by Vanguard Instruments Company, Inc. ATRT-01/01B S3 User’s Manual • Revision 1.2 • March 18, 2014 • TA...

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