Motor Generators
From Hydropower
From the early 20th century, Voith has manufactured motor-generators. In 1976, the world’s most powerful motor-generators for Bath County (USA) were delivered. One of the largest capacity high-speed motor-generators were installed at Guangzhou II (China) in 2000. We offer technical excellence in synchronous as well as asynchronous generators.
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Our Technology
- Motor-generator technology by Voith – including excita- tion, static frequency converters (SFC) and SCADA systems.
- Well advanced and proven VPI insulation system for optimized design for Class 155 according IEC (formerly Class F) and voltages up to 27 kV.
- Motor-generators are air-cooled by RIM-Ventilation or forced ventilated or direct water-cooling of stator or stator and rotor windings and also stator core.
- Magnetic thrust bearings for reduced torque during pump starts and reduced bearing losses during normal operation.
- Comprehensive system for automation of power station complex as a whole including monitoring, remote supervisory control and data acquisition of the plant with fiber optic cable as required, for control and station networks.
- Static frequency converter systems composed of computer duplex digital controller and optical thyristor of high resistance voltage for high performance and easy maintenance.
Asynchronous motor-generators
With the use of an asynchronous motor-generator the rotational speed of the pump-turbine can be varied. Thus, the pump capacity can be adjusted to using just the currently available amount of energy. This allows for a highly efficient stabilization of the grid.
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