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Compact hydroelectric generators

8th September 2015


The GH11 series of hydroelectric generators offer cost-effective and smart solutions for common hydroelectric applications without forcing users to sacrifice efficiency or quality
The sturdy, compact generators of the SH11 series are designed for water turbines with relatively high loads and inertial forces

WEG has launched two new series of efficient, high quality and compact hydroelectric generators - GH11 and SH11 - with up to 70% more power density than previous models.

As a result, engineers can benefit from a low weight and space-saving solution for easier installation. The new generators are also available with shorter lead times thus helping hydroelectric power stations to reduce downtimes and increase productivity.

With rated capacity from 500 to 18,000kVA., the GH11 and SH11 8-pole to 36-pole hydroelectric generators are available with frame sizes from IEC 630 to IEC 1800 and output voltages from 400V to 13.8kV at 50 or 60Hz.

The GH11 series is designed for standard applications with relatively small and simple turbines, while the robust SH11 series is designed to meet more demanding specifications for turbines and complex hydroelectric power stations.

The SH11 generators have a modified mechanical and electrical design that allows them to be operated with higher inertial forces and relatively large axial and radial loads despite their compact construction. They can also withstand adverse conditions such as high continuous speeds or load shedding.

WEG’s generators are easy to install and commission in existing plants because the design is based on a standard technology platform. WEG has standardised the production of the new generators and key components are provided in the preliminary design stage.

Both the GH11 and SH11 can be installed either horizontally or vertically and are available in versions for brushless excitation (with or without an auxiliary exciter) or static excitation with brushes.









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