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Eaton VR-32 User Manual

Eaton VR-32
52 pages
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VR-32 and EVER-Tap™ Voltage Regulator
Installation, Operation, and Maintenance Instructions
COOPER POWER
SERIES
Voltage Regulators
MN225008EN
Effective June 2020
Supersedes February 2017
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Eaton VR-32 Specifications

General IconGeneral
ModelVR-32
Frequency50/60 Hz
Protection ClassIP20
PhaseSingle-phase
Humidity5% to 95% non-condensing

Summary

Safety Information

Safety Instructions

General and specific safety guidance for operation and installation.

Installation

Pre-installation Inspection

Steps to inspect the regulator before connecting it to the electrical line.

Systems Connections

Guidance on connecting the regulator to single-phase or three-phase circuits.

Removal From Service

Construction and Operation

Position Indicator and ADD-AMP Capability

Surge Protection

Internal Construction and Wiring

Voltage Circuits

Reverse Power Flow Capability

Details the CL-7 control's capability to detect and manage reverse power flow.

Quik-Drive Tap-Changers

EVER-Tap™ Voltage Regulators

EVER-Tap Tap-Changer and Drive Unit

Details the EVER-Tap tap-changer, its vacuum interrupting design, and the ETMD-A motor drive unit.

EVER-Tap Operational Information

EVER-TAP Controls and Power

Discusses CL-7 control compatibility, internal/external power sources, and wiring differences.

EVER-Tap Control Settings

Maintenance

EVER-Tap Maintenance and Inspection

Maintenance recommendations for EVER-Tap regulators, including specific operation inspections.

Operational Check

Insulating Fluid Maintenance

Untanking the Regulator

Retanking the Regulator

Spare Parts and Troubleshooting

Troubleshooting and Tests

Guidance on troubleshooting and specific tests like the reverse power flow test.

Voltage Regulator Ratio Test

Regulator Dry-Out Procedure

Voltage Regulator Current Test

Insulation Resistance Test

Freeing a Stalled Tap-Changer

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