Raytech WR14 - Table of Contents

1
WR14 / WR50-12/13 Winding Resistance Meter Instruction Manual
Version 3.03
TABLE OF CONTENTS
Safety Precautions ........................................................................................................................................ 5
Unpacking ..................................................................................................................................................... 6
WR50 ......................................................................................................................................................... 6
WR14 ......................................................................................................................................................... 7
Introduction.................................................................................................................................................... 8
General ...................................................................................................................................................... 8
Advantages & Features ............................................................................................................................. 9
System Details ........................................................................................................................................... 9
System Check ........................................................................................................................................ 9
Limitations of Winding Resistance Testing ............................................................................................ 9
Discharging the Transformer Windings ............................................................................................... 10
Low Resistance Testing ....................................................................................................................... 10
Quick Start Guide ........................................................................................................................................ 11
Instrument Operation – Profiles Deactivated ........................................................................................... 11
Instrument Operation – Using Profiles .................................................................................................... 12
Selection of the Proper Current Range ................................................................................................... 14
Connection to the Test Object ................................................................................................................. 14
Single Phase Transformer, Vector Group 0......................................................................................... 15
Three Phase Transformer, Δ – Δ Vector Group 0 ............................................................................... 16
Three Phase Transformer Δ – Y, One LV Winding ............................................................................. 17
Three Phase Transformer Δ – Y, Two LV Winding ............................................................................. 18
Operation Elements for field units ............................................................................................................... 19
WR50 Front Panel Overview: ................................................................................................................. 19
WR50 Control Elements and Connections .............................................................................................. 19
Fuse, Mains Input and Switch .............................................................................................................. 19
Emergency Stop .................................................................................................................................. 19
Thermal Printer .................................................................................................................................... 19
Safety Indicator .................................................................................................................................... 20
Display With Touch Panel .................................................................................................................... 20
Potential Receptacle ............................................................................................................................ 20
Current Receptacle .............................................................................................................................. 20
External ................................................................................................................................................ 20
Ground Terminal .................................................................................................................................. 20
Temperature Receptacle ..................................................................................................................... 20
Interface ............................................................................................................................................... 20
WR14 Front Panel overview .................................................................................................................... 21