Control apparatus for engine-driven permanent magnet type synchr

Details Control apparatus for engine-driven permanent magnet type synchr Control apparatus for engine-driven permanent magnet type synchr

1998-02-06

1999-08-24

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

363 37, 363 89, 322 28, H02K 3300, H02K 1500, H02M 545, H02M 542

Patent

active

059428180

ABSTRACT:
This invention relates to a control apparatus for permanent magnet type generators, having a voltage control unit for controlling a voltage of a permanent magnet type generator driven by an automobile engine, and a power conversion unit for converting the DC source power of an automobile into commercial AC power during the stoppage of the engine. The voltage control unit is capable of reducing the number of large current switching elements, being formed to small dimensions and weight and having economically advantageous effects, and comprises an engine-driven permanent magnet type generator, a voltage step-up and rectifying circuit for increasing the voltage of output power generated by the generator, and a conversion circuit adapted to convert an output from the voltage step-up and rectifying circuit into three-phase AC power by a pulse-width modulation control system, and having a voltage step-down function. The power conversion unit has the generator, a battery and a voltage step-up and step-down circuit, and is formed so as to apply an output from the battery to a neutral point of an armature coil of the generator during the stoppage of the engine.

REFERENCES:
patent: 5559685 (1996-09-01), Lauw et al.
patent: 5793625 (1998-08-01), Balogh

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