SOLID INSULATED SWITCH
The present invention relates to a solid insulated switch using a semiconductor, and the solid insulated switch according to one embodiment of the present invention comprises: a main circuit unit which is connected between systems on both sides thereof, and which has a first semiconductor and a seco...
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| creator | SONG, Woonghyeob SIM, Jungwook LEE, Jaeho KANG, Sunghee |
| description | The present invention relates to a solid insulated switch using a semiconductor, and the solid insulated switch according to one embodiment of the present invention comprises: a main circuit unit which is connected between systems on both sides thereof, and which has a first semiconductor and a second semiconductor arranged in a series; a snubber circuit, which has a capacitor and a resistor arranged in a series, has one end connected in parallel to the front end of the first semiconductor switch, and has the other end connected in parallel to the rear end of the second semiconductor switch; a freewheeling circuit, which has a diode and a resistor arranged in a series, has one end connected to a common contact between the first semiconductor switch and the second semiconductor switch, and has the other end connected to the ground; and a mechanical switch for ensuring physical insulation after fault current interruption. The fault current in both directions can be blocked by the circuit structure, and the energy caused by the inductance of the systems on both side is simultaneously and stably erased during the blocking, and thus the semiconductor switch can be protected. |
| format | Patent |
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The fault current in both directions can be blocked by the circuit structure, and the energy caused by the inductance of the systems on both side is simultaneously and stably erased during the blocking, and thus the semiconductor switch can be protected.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | 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 ELECTRONIC CIRCUITRY 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 PULSE TECHNIQUE |
| title | SOLID INSULATED SWITCH |
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