In-Line Generators (Slow-Speed, PTO / PTI / PTH)

The new series of slow-running three-phase shaft generators is available as a permanently excited synchronous machine (PMSG) or as an electrically excited synchronous machine (EESG) in a salient pole design. These shaft generators are extremely reliable and efficient with lowest maintenance costs. They are mounted directly on the main shaft and do not have their own bearings.

Depending on the torque, five different sizes are used. This means that VEM probably offers the greatest variability on the market.

 Possible machine types

• Permanently excited synchronous generators

• Electrically excited synchronous generators

• Shaft heights (900, 1120, 1400, 1600, 2000)

Specifications

• Low voltage and medium voltage

• Up to 16,000 kVA (or 1,800 kNm mechanical)

• Up to 150 min^-1

Medium-speed generators

VEM medium-speed generators are designed with a welded housing, as full-pole or salient-pole machines and brushless excitation or permanently excited synchronous machines.

The machines are equipped with digital controllers and associated monitoring according to customer requirements. In addition to rolling bearings for smaller capacities, flange-mounted plain bearings are mainly used. For generators with high outputs, the bearings are also delivered as pillow block bearings with the complex oil supply systems required for this.

Possible machine types

• Permanently excited synchronous generators

• Electrically excited synchronous generators

Specifications

• Low voltage and medium voltage

• Up to 30,000 kVA

• Up to 750 min^-1

High Speed Generatos/Motors (PTO / PTI / PTH)

The new series of extremely compact, water-jacket-cooled, high-speed shaft generators is characterized by its low weight and highest levels of efficiency.

Possible machine types

• Permanently excited synchronous generators

• Electrically excited synchronous generators

Specifications

• Low voltage

• Up to 4800 kVA

• Up to 1800 min^-1