Megger TTR 550503 Bedienungsanleitung

AVTM550503

Rev E

March2005

Instruction Manual AVTM550503

for

Three-Phase TTR

Transformer Turn Ratio Test Set

Catalog No. 550503

High-Voltage Equipment

Read the entire manual beforeoperating.

Aparato de Alto Voltaje

Antes de operar este producto lea este manual enteramente.

Valley Forge Corporate Center

2621 Van Buren Avenue

Norristown, PA 19403 U.S.A.

610-676-8500

www.megger.com

Three-Phase TTR

Transformer Turn Ratio Test Set

Instruction Manual

Disclaimer Notice

The information contained in this manual is believed to be adequate for the intended use

of the product. If the product or its individual instrument are used for purposes other

than those specified herein, confirmation of their validity and suitability must be

obtained from Megger. Refer to the warranty information included at the end of this

instruction manual. Specifications are subject to change without notice.

Warranty

Products supplied by Megger are warranted against defects in material and workmanship

for a period of one year following shipment. Our liability is specifically limited to

replacing or repairing, at our option, defective equipment. Equipment returned to the

factory must be shipped prepaid and insured. This warranty does not include batteries,

lamps, or other expendable items, where the original manufacturer's warranty shall apply.

We make no other warranty. The warranty is void in the event of abuse (failure to follow

recommended operating procedures) or failure by the customer to perform specific

maintenance as indicated in this manual.

TABLE OF CONTENTS

INTRODUCTION................................................................................................................................................................. 1

Receiving Instructions....................................................................................................................................... 1

General Information.......................................................................................................................................... 1

SAFETY ................................................................................................................................................................................ 3

SPECIFICATIONS................................................................................................................................................................ 7

Electrical............................................................................................................................................................... 7

Environmental Conditions............................................................................................................................... 9

Physical Data..................................................................................................................................................... 10

Accessories Supplied ....................................................................................................................................... 10

Optional Accessories....................................................................................................................................... 11

DESCRIPTION................................................................................................................................................................... 13

Principle of Operation .................................................................................................................................... 13

TTR Operational Flow Chart........................................................................................................................ 15

Controls, Indicators, and Connectors ......................................................................................................... 19

SETUP AND CONNECTIONS .......................................................................................................................................... 21

General Instructions........................................................................................................................................ 21

Single-Phase, Two-Winding Transformers ................................................................................................ 21

Three-Phase, Two-Winding Transformers................................................................................................ 24

Three-Phase, Three-Winding Transformers.............................................................................................. 25

Current Transformers (CTs).......................................................................................................................... 26

T-Type Transformers...................................................................................................................................... 32

Connections and Vector Voltage Diagrams .............................................................................................. 33

OPERATION...................................................................................................................................................................... 65

General Operating Procedure....................................................................................................................... 65

Description of Menus and Test Screens..................................................................................................... 65

Error Messages ................................................................................................................................................. 85

AVTM550503 Rev E March 2005 ii

Remote Control Operation for LTC Testing............................................................................................86

Use with the Optional Printer.......................................................................................................................87

Use with the Optional Inverter.....................................................................................................................88

COMLINK ........................................................................................................................................................................91

Introduction.......................................................................................................................................................91

Installation & Upgrade Instructions ............................................................................................................92

Three Phase TTR COMLink Operations.................................................................................................101

COMLink Simulation Mode of Operation...............................................................................................125

Three Phase TTR Remote Control Operations......................................................................................127

SERVICE...........................................................................................................................................................................169

Maintenance.....................................................................................................................................................169

Fuse Replacement...........................................................................................................................................169

Calibration........................................................................................................................................................170

3-Phase TTR Test Set Functional Test....................................................................................................170

Troubleshooting..............................................................................................................................................172

Repair.................................................................................................................................................................173

ORDERING INFORMATION AND SPARE PARTS LIST .............................................................................................175

Ordering Information....................................................................................................................................175

Spare Parts........................................................................................................................................................177

GLOSSARY.......................................................................................................................................................................179

INDEX ..............................................................................................................................................................................181

AVTM550503 Rev E March 2005 iii

LIST OF ILLUSTRATIONS

Figure 4-1. Three-Phase TTR Test Set Block Diagram................................................................................. 14

Figure 4-2. Quick Test flow chart....................................................................................................................... 15

Figure 4-3. Full Test Setup with Recall Custom Settings .............................................................................. 16

Figure 4-4. System Setup Menu........................................................................................................................... 17

Figure 4-5. Saved Data Menu with Print Header ............................................................................................ 18

Figure 4-6. Three-Phase TTR Control Panel ...................................................................................................19

Figure 4-7. Left Side Connector Panel............................................................................................................... 20

Figure 4-8. Right Side Connector Panel ............................................................................................................ 20

Figure 5-1. Setup for Testing Single-Phase Transformer.............................................................................. 22

Figure 5-2. Setup for Testing Single-Phase Autotransformer ...................................................................... 22

Figure 5-3. Setup for Testing Single-Phase, Type A (Straight Design) Step Voltage Regulator.......... 23

Figure 5-4. Setup for Testing Single-Phase, Type B (Inverted Design) Step Voltage Regulator......... 24

Figure 5-5. Setup for Testing Unmounted Current Transformer ............................................................... 28

Figure 5-6. Setup for Testing Taps on Multiple Tap CT............................................................................... 28

Figure 5-7. Setup for Testing BCT Mounted on Single-Phase Two-Winding Transformer................. 29

Figure 5-8. Setup for Testing BCT Mounted on Delta Winding on a Three-Phase Power

Transformer ........................................................................................................................................ 30

Figure 5-9. Setup for Testing BCT Mounted on Wye Winding of a Three-Phase Transformer......... 31

Figure 5-10. Winding Connections and Phase Relationship........................................................................... 35

Figure 6-1 Opening Display Screen................................................................................................................... 66

Figure 6-2. Main Menu Screen............................................................................................................................. 67

Figure 6-3. Quick Test Setup Screen.................................................................................................................. 69

Figure 6-4. Initial Quick Test Result Screen..................................................................................................... 70

Figure 6-5. Final Quick Test Result Screen ...................................................................................................... 71

Figure 6-6. FULL TEST SETUP 1 Screen.......................................................................................................72

Figure 6-7. FULL TEST SETUP 2 Screen.......................................................................................................74

Figure 6-8. FULL TEST SETUP 3 Screen.......................................................................................................76

Figure 6-9. Three-Phase Transformer Test Result Screen............................................................................ 77

Figure 6-10. Phase A Test Result Screen............................................................................................................. 79

Figure 6-11. The Main Menu Screen After Selection of a Custom Transformer Setting ........................ 80

Figure 6-12. SYSTEM SETUP Screen................................................................................................................. 81

AVTM550503 Rev E March 2005 iv

Figure 6-13. Language Screen.................................................................................................................................82

Figure 6-14. SAVED DATA Screen.....................................................................................................................83

Figure 6-15. Recall (or Save) Custom Settings Screen......................................................................................84

Figure 6-16a. Sample Test Report Header...............................................................................................................87

Figure 6-16b. Sample Single Phase Test Report.....................................................................................................87

Figure 6-16c. Sample Three Phase Test Report.....................................................................................................88

LIST OF TABLES

Table 5-1. Test Lead Markings for Single-Phase Transformers .................................................................23

Table 5-2. Test Lead Markings for Three-Phase Transformers .................................................................25

Table 5-3. T-type Transformer Winding Phase Relationship......................................................................32

Table 5-4. ANSI Transformer Winding Phase Relationship.......................................................................38

Table 5-5. CEI/IEC 76-1:1993 Transformer Winding Phase Relationship............................................48

Table 5-6. Transformer Winding Phase Relationship (Australian Std. 2374, Part 4 - 1982) ...............59

Table 7-1. Troubleshooting Guide ..................................................................................................................172

AVTM550503 Rev E March 2005 v

PROPRIETARY INFORMATION NOTICE

This document contains information proprietary to Megger. All rights are reserved.

No part of this document may be reproduced, transmitted, processed or recorded by any

means or form, electronic, mechanical, photographic or otherwise, nor be released to any

third party without the express written consent of Megger.

Megger Software End User License Agreement

NOTICE TO USER: THIS IS A CONTRACT. BY INSTALLING/USING THIS

PRODUCT YOU ACCEPT ALL TERMS AND CONDITIONS OF THIS

AGREEMENT. If you do not agree with the terms and conditions of this Agreement,

return the software, unused, along with the rest of the package, to Megger. This package

contains software and related explanatory written materials. The term Software shall also

include any upgrades, modified versions, updates, additions and copies of the Software

licensed to you by Megger. Megger grants you a nonexclusive license to use the Software

and Documentation, provided you agree to the following:

Use of the Software – You may –

Install the software on any computer within your company.

Make one backup copy of the Software.

valuable trade secrets of Megger. The Software is also protected by United States Copyright Law and

International Treaty provisions. You must treat the Software just as you would any other copyrighted

material, such as a book. You may not copy the Software or the Documentation, except as set forth

in the Use of the Software section. Any copies that you are permitted to make pursuant to this

Agreement must contain the same copyright and other proprietary notices that appear on or in the

Software. You agree not to modify, adapt or translate the software. You also agree not to reverse

engineer, decompile, disassemble or otherwise attempt to discover the source code of the Software.

Transfer – You may not rent, lease, sublicense or lend the Software or Documentation. You may,

however, transfer all of your rights to use the Software to another person of legal entity provided that

you transfer this Agreement, the Software, including all copies, updates and prior versions, and all

Documentation to such person or entity, and that you retain no copies, including copies stored on a

computer.

Limited Warranty – Megger warrants that the SOFTWARE will perform substantially in accordance

with the accompanying written materials for a period of one year from date of receipt. Any implied

warranties on the SOFTWARE are limited to one year.

Customer Remedies – Megger and its suppliers’ entire liability and your exclusive remedy shall be, at

Megger option, either (a) return of the price paid, or (b) repair or replacement of the SOFTWARE

that does not meet this Limited Warranty and which is returned to Megger with proof of purchase.

AVTM550503 Rev E March 2005 vi

This Limited Warranty is void if failure of the SOFTWARE has resulted from accident, abuse, or

misapplication. Any replacement SOFTWARE will be warranted for the remainder of the original

warranty period or thirty (30) days, whichever is longer.

No Other Warranties – To the maximum extent permitted by applicable law, Megger and its suppliers

disclaim all other warranties, either express or implied, including, but not limited to implied

warranties of merchantability and fitness for a particular purpose, with regard to the SOFTWARE,

the accompanying written materials, and any accompanying hardware.

No Liability for Consequential Damages – To the maximum extent permitted by applicable law, in

no event shall Megger or its suppliers be liable for any damages (including without limitation, special,

incidental, consequential, or indirect damages for personal injury, loss of business profits, business

interruption, loss of business information, or any other pecuniary loss) arising out of the use of or

inability to use this product, even if Megger has been advised of the possibility of such damages. In

any case, Megger and its suppliers’ entire liability under any provision of this agreement shall be

limited to the amount actually paid by you for the SOFTWARE.

Megger Technical Support

In the event that the COMLink software appears defective or if you need assistance in the operation of

the COMLink software, call the MEGGER SUPPORT DEPT at (610) 676-8500. The Megger Support

Dept will determine the necessary support to correct the problem.

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