High-voltage intelligent circuit breaker for switching of parallel capacitor banks
A technology of intelligent circuit breaker and capacitor bank, applied in high-voltage air circuit breaker, circuit, high-voltage/high-current switch, etc., can solve the problems of grid parallel capacitor and switch damage, and achieve the effect of reasonable structure, reliable operation and convenient maintenance.
Active Publication Date: 2018-01-12
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH +1
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Problems solved by technology
[0002] Due to the structure and other reasons, the existing high-voltage intelligent circuit breaker for shunt capacitor bank switching is not "flexible" in the process of opening and closing, which will cause great damage to the power grid, shunt capacitors and switches, and needs to be improved.
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[0013] A high-voltage intelligent circuit breaker for switching capacitor banks in parallel, comprising an incoming line 5 and an outgoing line conductive rod 10, the incoming line and the outgoing line conductive rod are respectively connected with a capacitor voltage divider circuit, and the capacitor voltage divider circuit is connected with an intelligent component 12 for measurement; The incoming line is connected to the upper end of the contact of the switch tube 6, the outlet conductive rod is connected to the lower end of the contact of the switch tube, the lower end of the outgoing conductive rod is connected to the piston of the damper 8, and the cylinder body 11 of the damper is connected to the electromagnet 9 below; The damper 8 includes a cylinder body, the piston cavity of the cylinder body is in an inverted cone shape, the piston is located in the piston cavity, and oil is provided in the piston cavity; the electromagnet is connected with the electromagnet drive ...
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The invention discloses a high-voltage intelligent circuit breaker for switching of parallel capacitor banks. The high-voltage intelligent circuit breaker comprises incoming wire and outgoing wire conducting rods connected with capacitance voltage-dividing circuits respectively; the capacitance voltage-dividing circuits are connected with an intelligent component for the purpose of measurement; the incoming wire conducting rod is connected with a contact upper end of a switch tube, the outgoing wire conducting rod is connected with a contact lower end of the switch tube, the lower end of the outgoing wire conducting rod is connected with a piston of a damper, a cylinder block of the damper is connected with an electromagnet below, the damper include the cylinder block, a piston cavity of the cylinder block is in inverted cone shape, the piston is positioned in the piston cavity, and oil is arranged in the piston cavity; the electromagnet is connected with an electromagnet driving partof the intelligent component and is connected with a driving rod below, and the driving rod is provided with a wedged ferromagnetic body that is big end down; the proximal side of the wedged ferromagnetic body is provided with a hall element, and the hall element is used for detecting a distance between the hall element and the wedged ferromagnetic body. The high-voltage intelligent circuit breaker is reasonable in structure and good in operational reliability and maintenance convenience.
Description
technical field [0001] The invention relates to a high-voltage intelligent circuit breaker for switching parallel capacitor banks. Background technique [0002] Due to the structure and other reasons, the existing high-voltage intelligent circuit breaker for shunt capacitor bank switching is not "flexible" in the process of opening and closing, which will cause great damage to the power grid, shunt capacitors and switches, and needs to be improved. Contents of the invention [0003] The object of the present invention is to provide a high-voltage intelligent circuit breaker for switching parallel capacitor banks with reasonable structure, reliable operation and convenient maintenance. [0004] Technical solution of the present invention is: [0005] A high-voltage intelligent circuit breaker for parallel capacitor bank switching, which is characterized in that: it includes incoming and outgoing conductive rods, the incoming and outgoing conductive rods are respectively co...
Claims
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IPC IPC(8): H01H33/02H01H33/38H01H3/60
Inventor 黄霆高琦朱焱贲树俊
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH