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5MVA Rotary Frequency Converter Design and Installation
Buyer: KBS Maritime LtdRegion: Portsmouth, HampshireValue: £2.0MCloses: 10 Jul 2026 (32d)
KBS Maritime Ltd seeks a rotating machine manufacturer to design, build and install a 5MVA rotary frequency converter that converts 11kV 50Hz power to 6.6kV 60Hz. The machine must include synchronous motor and generator with mechanical coupling, adjustable stator racking capability, and starting reactor with contactor to limit inrush current.
Key requirements
- ▸Design and build 5MVA 11kV 50Hz to 6.6kV 60Hz rotary converter
- ▸Synchronous motor (10-pole) and generator (12-pole) with mechanical coupling
- ▸Physically rotatable generator stator with racking motor or actuator control
- ▸Starting reactor and contactor for neutral point connection limiting inrush to ~400A
- ▸Installation capability; external control system excluded from scope
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