Circuit for identifying work pattern of coal mine low voltage permanent magnetic vacuum combined feeder switch

• Main Authors: GUO ZHITING, HU LONG, YAN HAIBIN, XU HONGZHOU
• Format: Patent
• Language: Chinese; English
• Published: 14.08.2013
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention relates to a circuit for identifying work pattern of a coal mine low-voltage permanent magnetic vacuum combined feeder switch, which belongs to the technical field of coal mine low-voltage vacuum combined feeder switch circuits, aims to solve the technical problem about providing a circuit capable of timely and correctly distinguishing the work pattern of a combined feeder circuit, and adopts the technical scheme that the circuit for identifying work pattern of the coal mine low-voltage permanent magnetic vacuum combined feeder switch comprises a mine high-explosive switch, a mine flame-proof type dry type transformer, a main screen integrated controller and a plurality of low-voltage permanent magnet vacuum feed subcircuits, wherein an input end of the mine flame-proof type dry type transformer is connected with the mine high-explosive switch in series and then is connected with a coal mine high-voltage power supply. The circuit for identifying work pattern of the coal mine low voltage permanen