Siemens SGen-100A-4P User Manual
Siemens Air-Cooled Generators
SGen-100A-4P Series
with ratings from 25 MVA up to 70 MVA
SGen-100A-4P Series at Generator Plant Erfurt, Germany
As one of the international market leaders
in the manufacturing of synchronous
machines, Siemens has accumulated many
decades of experience in the production
of generators. Proven four-pole air-cooled
generators, from our SGen-100A-4P series,
are the Siemens answer for turbine generators in industrial plants.
Answers for energy.
Our air-cooled generators are developed
by using state-of-the-art methods. By
working with special computer programs
for calculation, design and production,
we can optimally match the generators
to the customers’ needs.
Four-pole three-phase synchronous generator
Outstanding design features of the
Siemens air-cooled SGen-100A-4P series
generators include:
high efficiency,
■
low noise emissions, ■
low installation and ■
commissioning costs,
■
high serviceability and
long service life. ■
For each customer project, a customized
generator is developed according to the
individual technological specifications,
output and customer needs. Using a
modular building-block system, the
required generator type is designed by
choosing from different diameters and
by making adjustments to length. This
enables us to supply our customers with
generators specially tailored to their
requirements. As an option, the generator
can also be supplied with a gearbox.
Siemens four-pole three-phase synchronous generators are used as high-voltage
generators with a solid salient-pole rotor.
Their rotor windings are indirectly cooled
by air.
These generators use brushless excitation
as a standard. The exciter power is supplied
by an exciter with rotating rectifiers. The
exciter is a stationary-field machine with
the rotor mounted on the generator shaft.
Alternatively, static excitation using slip
rings is also available.
The standard design is IM 1005 featuring
a frame with end shield bearings.
Industrial plants equipped with steam and
gas turbines, and SGen-100A-4P series
generators keep process costs down due
to high efficiency levels of cogeneration.
This ensures a considerable degree of independence from public power supply.
5
4
3
1
2
6
7
8
1
Blower
2
Exciter Current Conductor
3
Journal Area
4
Rotor Shaft
5
Coupling
9
6
Pole Winding Support
7
Rotor Coils
8
Pole Shoe
9
Pole Shoe Screws
2
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