Eaton EVER-Tap - Table of Contents

Contents
DISCLAIMER OF WARRANTIES AND LIMITATION
OF LIABILITY ...............................II
SAFETY FOR LIFE ..........................IV
SAFETY INFORMATION .....................IV
Safety instructions ..........................iv
INTRODUCTION .............................1
Read this manual first ....................... 1
Additional information ....................... 1
Acceptance and initial inspection .............. 1
Handling and storage ........................ 1
Unloading ................................. 1
Standards ................................ 1
Quality standards .......................... 1
PRODUCT INFORMATION .....................2
Description ............................... 2
Available options ........................... 2
INSTALLATION ..............................4
Pre-installation inspection .................... 4
Systems connections ....................... 4
Nameplates ............................... 6
Mounting ................................ 6
Placing regulator into service ................. 8
REMOVAL FROM SERVICE ...................11
CONSTRUCTION AND OPERATION ............12
Standard features, regulators with over-head
bushings ............................... 12
Position indicator and ADD-AMP capability ..... 13
Surge protection .......................... 13
Internal construction and wiring .............. 14
Quik-Drive tap-changers .................... 19
EVER-Tap™ voltage regulators ............... 21
EVER-Tap important operational information ..... 22
MAINTENANCE ............................23
Quik-Drive tap-changers .................... 23
EVER-Tap voltage regulator .................. 24
Operational check ......................... 25
Insulating fluid maintenance ................. 26
EVER-Tap voltage regulator insulating fluid
maintenance ............................ 26
Sampling insulating fluid .................... 26
FR3 insulating fluid application ............... 26
Untanking the regulator ..................... 27
Retanking the regulator .................... 28
SPARE PARTS ..............................29
Ordering Information ...................... 29
TROUBLESHOOTING ........................29
Regulator control reverse power flow test ...... 29
Voltage regulator ratio test .................. 30
Voltage regulator potential transformer ratio test . 31
Regulator dry-out procedure ................. 32
Voltage regulator current test ................ 32
Insulation resistance test ................... 34
Freeing a stalled tap-changer. . . . . . . . . . . . . . . . . 34
APPENDIX ................................36
Connections and voltage levels ............... 36
ADD-AMP capabilities ...................... 38
Wiring diagrams .......................... 40
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VR-32 and EVER-Tap™ Voltage Regulator
InstallatIon, operatIon, and MaIntenance InstructIons MN225008EN June 2020