FIELD: electricity.
SUBSTANCE: three-phase independent inverter and LC-filter are used, and control system includes a frequency set unit, a voltage set unit, characteristic shaping unit, a proportional and floating controller, a generator of pulse-width modulated control signal and an analogue-to-digital converter, besides there is an auxiliary launcher and a low-power secondary source, a bridge-circuit rectifier, a choke, a capacitive storage, two current sensors, power bus, N of protective devices and the three-phase transformer with the above couplings, Which allow improvement of specifications of the power supply source for radar station equipment.
EFFECT: improving specification and operational reliability of the power supply source for radar station equipment, increasing efficiency factor, stabilizing output three-phase sinusoidal voltage with potential regulation of output voltage and frequency thus ensuring limitation of input start-up currents of the capacitive storage, reducing acoustic noise and weigh and dimensions, monitoring of short-circuit currents in load circuits, selective protection and fault current protection.
2 dwg
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Authors
Dates
2014-11-27—Published
2013-07-19—Filed