Automatic change-over switch
The utility model relates to an automatic change-over switch, comprising a first bearing branch connected between a first power supply and an electric load, used for bearing current consumed by the electric load to the first power supply, and connected with a first mechanical switch; the first arc e...
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| creator | LIU QI DONG YUEXIAN LI SONGZE LI SHUANGYOU ZHAO WANGWANG |
| description | The utility model relates to an automatic change-over switch, comprising a first bearing branch connected between a first power supply and an electric load, used for bearing current consumed by the electric load to the first power supply, and connected with a first mechanical switch; the first arc extinguishing branch circuit is connected between the first power supply and the electric load, is used for performing arc extinguishing when the first mechanical switch is switched off, and is connected with a second mechanical switch and a first power electronic switch in series; the second bearing branch is connected between the second power supply and the electric load, is used for bearing current consumed by the electric load to the second power supply, and is connected with a third mechanical switch; the second arc extinguishing branch circuit is connected between the second power supply and the electric load, is used for performing arc extinguishing when the third mechanical switch is switched off, and is con |
| format | Patent |
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the first arc extinguishing branch circuit is connected between the first power supply and the electric load, is used for performing arc extinguishing when the first mechanical switch is switched off, and is connected with a second mechanical switch and a first power electronic switch in series; the second bearing branch is connected between the second power supply and the electric load, is used for bearing current consumed by the electric load to the second power supply, and is connected with a third mechanical switch; the second arc extinguishing branch circuit is connected between the second power supply and the electric load, is used for performing arc extinguishing when the third mechanical switch is switched off, and is con</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; 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the first arc extinguishing branch circuit is connected between the first power supply and the electric load, is used for performing arc extinguishing when the first mechanical switch is switched off, and is connected with a second mechanical switch and a first power electronic switch in series; the second bearing branch is connected between the second power supply and the electric load, is used for bearing current consumed by the electric load to the second power supply, and is connected with a third mechanical switch; the second arc extinguishing branch circuit is connected between the second power supply and the electric load, is used for performing arc extinguishing when the third mechanical switch is switched off, and is con</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN219304532UU |
| source | esp@cenet |
| subjects | BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Automatic change-over switch |
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