Special D.C. high -current power supply unit of urban rail transit

The utility model belongs to the technical field of the power, especially, relate to a special D. C. High -current power supply unit of urban rail transit. The utility model discloses well system module mainly comprises three - phase rectifier and filter circuit, high frequency inverter circuit, hig...

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Bibliographische Detailangaben
Hauptverfasser:	TAN FUJUN, YANG JIAN, LI FENGCHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	The utility model belongs to the technical field of the power, especially, relate to a special D. C. High -current power supply unit of urban rail transit. The utility model discloses well system module mainly comprises three - phase rectifier and filter circuit, high frequency inverter circuit, high -frequency transformer, high -frequency rectification filter circuit, low frequency contravariant output circuit, PWM inverter control circuit, stationary flow voltage stabilizing control circuit, output PWM control circuit (being stationary flow control circuit ), keyboard and display circuit and three - phase rectifier and filter circuit 0 circuit. During operation electric wire netting three phase current input becomes the 540V direct current through the rectification of rectification filter circuit, becomes 2kHz high -frequency voltage through the high frequency inverter circuit contravariant, steps up through high -frequency transformer, and last second grade contravariant filtering obtains the direct curren