Transformers / Technical supply

Motor Drive Unit & Tap Changer Control

Motor drive mechanism and control cabinet that operates the tap changer.

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Product overview

Built around the project specification

The motor drive unit turns a control signal — automatic voltage regulation, or a manual command — into the mechanical operation of the tap changer, and reports tap position back to the substation. It is the interface between the protection and control system and the tap changer itself.

Key features

Motor-driven tap change operation
Local and remote control
Tap position indication and signalling
Weatherproof control cabinet

Applications

New OLTC installations
Retrofit of manual tap changers
Automatic voltage regulation schemes
SCADA-monitored substations

Specifications

Type: Motor drive unit with control cabinet
Control: Local / remote, tap position signalling
Principal: Huaming Power Equipment Singapore Pte Ltd

Technical documents

Documentation for procurement and review

Available catalogues, datasheets, manuals, and group certificates are kept in the document library. Final ratings are confirmed against the project specification.

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