The main objective of an electric motor drive unit is to drive the connected on-load tap-changer or large de-energized tap-changers to a higher or lower tap of a transformer.
Hitachi Energy tap-changers are paired with robust, dependable motor drives that are configurable to meet a wide range of customer specifications. From modular BUL and versatile BUE for in-tank on-load tap-changers to the digitally controlled SMD with integrated Tap Logic Monitoring System (TLMS) for the type VRLTC tap changer.
Why Hitachi Energy?
- More than 100 years of manufacturing experience in tap-changers
- High-quality materials ensure the longest lifetime
- Proven solutions with decades of successful field operation
- Type-tested beyond international standards
- High reliability thanks to few parts and low complexity in design
- Little to no maintenance
- Compact design
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