ABB expands high voltage generator range for engines and turbines

2015-04-15 - ABB is further expanding its offering for engine and turbine genset manufacturers with two new compact and easy to install generators

ABB, the leading power and automation technology group, is introducing two new generators in frame sizes 500 and 630 to expand its recently launched high voltage (HV) generator platform. With the two new frame sizes the product family covers a power range of 0.9 - 6 MVA at voltages of 3.3 - 13.8 kV.

These new standard products are compact in size and easy to install, and they provide the same high reliability and low cost of ownership as ABB’s proven range of high power generators.

The new generator series incorporates a number of professional features that meet the specific needs of the mid-range market segment. The design process involved advanced techniques like FEM (finite element method) and CFD (computation fluid dynamics) to ensure that OEMs will be able to produce genset designs that are rigid and predictable, and have great vibration durability.

These flexible generators are made for both continuous and standby operation. They have professional built-in PMG (permanent magnet generator) excitation as standard, giving them excellent short-circuit, overload and motor starting capabilities. This ensures that the generators can also handle changing and non-linear loads.

With their high degree of integration, the generators are compact and easy to install, keeping installation times and costs down. And ABB’s strong, globally identical manufacturing processes ensure consistently high quality and short delivery times in all markets around the world.

The main and auxiliary terminals and AVR (automatic voltage regulator) are housed in the terminal unit, which is integrated into the top of the generator. There is plenty of space available to install the AVR as well as cables and transformers.

One of the available options is ABB’s advanced digital AVR. In addition to providing power factor regulation, voltage matching and limiters, the digital AVR eliminates the need for external synchronization or diode monitoring units. Incorporating this functionality into the AVR reduces space, cabling and installation requirements.

ABB has significant experience in supplying generators for the biggest gensets – which have to meet the most demanding standards – and the new generators bring this know-how to the 0.9 - 6 MVA range.

ABB ( is a leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 145,000 people.

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