FIELD: electricity.
SUBSTANCE: excitation system includes synchronous generator (1) with armature (2) and inducer (3) windings, rectifiers (4), (15), summing transformer (5) with primary current winding (6), primary voltage winding (7), secondary winding (8) and control winding (9) and voltage corrector (10), external DC source (11), electronic key (12), current transformer (13) with shunt (14). System contains analogue-to-digital transformer (16), memory registers (17,18), pulse distributor (19), generator of pulses (20) with stable frequency, substractor (21), decoder (22), clamps (23, 24) for load connection, RS-trigger (25), differentiator (26), logic elements OR (27), AND (31), START bus (28), generator-limiter (29), inverter (30).
EFFECT: expanding functionality providing start-up of cage induction motors comparable to generator in power, improving reliability.
1 dwg
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|---|---|---|---|
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|
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|
RU2704313C1 |
| DEVICE FOR EXCITATION OF A SYNCHRONOUS MACHINE | 0 |
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SU1394322A1 |
