SYSTEM OF EXCITATION OF SYNCHRONOUS GENERATOR Russian patent published in 2012 - IPC H02P9/14 H02P9/26 H02P9/30 H02P9/38 

Abstract RU 2470454 C2

FIELD: electricity.

SUBSTANCE: invention relates to the field of electrical engineering and may be used in electric machines for control of excitation of synchronous generators applied in autonomous sources of electric energy. The technical result is expansion of functional possibilities. The excitation system comprises a synchronous generator (1), a winding of an anchor (2) and an inductor (3), the first rectifier (4), the summing transformer (5) with the primary current (6) winding and the primary voltage winding (7), the secondary (8) winding and the control winding (9), a voltage corrector (10), an outer source of DC current (11), an electronic key (12), a current transformer (13) with a shunt (14) and the second rectifier (15), an analog to digital converter (16), the first (17) and the second (18) registers of memory, a pulse distributor (19), a pulse generator (20) of stable frequency, a subtractor (21), a setting register (22), a numerical comparator (23), the first differentiator (24), an RS-trigger (25), the second differentiator (26), a logical OR element (27), a START bus (28), a shaper-limiter (29), an inverter (30) and a logical AND element (31).

EFFECT: system of excitation provides for start-up of induction motors with a short-circuited rotor comparable in capacity to a generator.

1 dwg

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RU 2 470 454 C2

Authors

Sugakov Valerij Gennad'Evich

Khvatov Oleg Stanislavovich

Voloshko Vitalij Sergeevich

Malyshev Jurij Sergeevich

Dates

2012-12-20Published

2010-12-02Filed