HIGH-FREQUENCY INVERTER WITH MAIN SWITCH OVERCURRENT PROTECTING CIRCUIT

PROBLEM TO BE SOLVED: To stop overcurrent of a main switch circuit by providing a current detecting part so as to be capable of detecting current passing through the main switch circuit in series with a high-frequency inverter circuit, and transmitting a stop command for a gate signal from a control...

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Bibliographische Detailangaben
1. Verfasser:	TOMIDOKORO YUSUKE
Format:	Patent
Sprache:	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 BASIC ELECTRIC ELEMENTS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES USING STIMULATED EMISSION ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To stop overcurrent of a main switch circuit by providing a current detecting part so as to be capable of detecting current passing through the main switch circuit in series with a high-frequency inverter circuit, and transmitting a stop command for a gate signal from a control system, when the current detecting part detects overcurrent. SOLUTION: This high-frequency inverter HIv, such as a laser power source consists of a DC-DC converter 1, a main switch circuit 3 capable of switching a circuit for load equipment, a capacitor C, a discharging circuit 4, a current detecting part 5, and a control system 6, wherein a current detecting part 7 is provided which detects a current value passing through the main switch circuit 3. When the current detecting part 7 detects overcurrent, the overcurrent to the main switch circuit 3 is prevented by the gate signal stop command from the control system 6.