Permanent magnet synchronous generator

The permanent magnet synchronous generator isbelow:
regarded as the primary source of electrical energy1: They are relatively secure and stable during their
which is used commonly to convert mechanical outputoperation and don’t require any external power
power of gas turbines, steam turbines, hydro turbines,supply, to excite their set-up.
wind turbines and reciprocating engines into electrical2: The synchronous generators don’t use slip rings
power for various purposes. Commonly theseas in case of other traditional generators, hence they
generators are referred to as synchronous generatorsare maintenance free and simple.
as they function at a synchronous speed, which equals3: These generators offer high efficiency and power
the speed of rotor matches with the supply frequency.coefficient.
The synchronous generator is excited by permanent4: The synchronous generators are preferred to
magnet system with high energy or current carryingasynchronous generators especially for their high
field windings. Due to relatively higher number of poles,capacities, as asynchronous ones would consume
the permanent magnet construction would enableenormous reactive power and thus they are suitable
reduction in back iron and stator yoke. Thefor smaller capacities.
development of low speed and innovative5: Voltage regulation can be achieved in permanent
synchronous generators especially with permanentmagnet synchronous generators which aren’t
magnet excitation has received attention fromaccessible in induction type generators.
numerous individuals around the world.6: In order to maintain the power factor, the
There are numerous advantages of a permanentcondensers aren’t required in synchronous
magnet synchronous generator which are enlistedgenerators as in the case of inductive generators.