Assembly of solid state contactor and three-phase solid state contactor
There is provided a solid state contactor comprising a first metal oxide semiconductor field effect transistor (MOSFET) as a first power electronic switch; the grid driving circuit is used for providing a first driving voltage for the grid of the first MOSFET; the short-circuit protection circuit co...
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| creator | CHEN JIAMIN CHEN XIAOHANG QIN XUERU |
| description | There is provided a solid state contactor comprising a first metal oxide semiconductor field effect transistor (MOSFET) as a first power electronic switch; the grid driving circuit is used for providing a first driving voltage for the grid of the first MOSFET; the short-circuit protection circuit comprises a first voltage acquisition circuit used for acquiring a first voltage associated with the source-drain voltage drop of the first MOSFET, and a second voltage acquisition circuit used for acquiring a second voltage associated with the source-drain voltage drop of the second MOSFET. The short circuit detection circuit is used for comparing the collected first voltage with reference voltage to judge whether the load connected with the first MOSFET is short-circuited or not; and the driving voltage adjusting circuit is used for adjusting the first driving voltage to disconnect the first MOSFET when the short circuit detection circuit judges that the first MOSFET is short-circuited. A three-phase solid state co |
| format | Patent |
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The short circuit detection circuit is used for comparing the collected first voltage with reference voltage to judge whether the load connected with the first MOSFET is short-circuited or not; and the driving voltage adjusting circuit is used for adjusting the first driving voltage to disconnect the first MOSFET when the short circuit detection circuit judges that the first MOSFET is short-circuited. 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The short circuit detection circuit is used for comparing the collected first voltage with reference voltage to judge whether the load connected with the first MOSFET is short-circuited or not; and the driving voltage adjusting circuit is used for adjusting the first driving voltage to disconnect the first MOSFET when the short circuit detection circuit judges that the first MOSFET is short-circuited. 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The short circuit detection circuit is used for comparing the collected first voltage with reference voltage to judge whether the load connected with the first MOSFET is short-circuited or not; and the driving voltage adjusting circuit is used for adjusting the first driving voltage to disconnect the first MOSFET when the short circuit detection circuit judges that the first MOSFET is short-circuited. A three-phase solid state co</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRONIC CIRCUITRY ELECTRICITY PULSE TECHNIQUE |
| title | Assembly of solid state contactor and three-phase solid state contactor |
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