Electric power circuit monitoring and protection device and protection method

A technology for monitoring protection and power lines, applied in the direction of circuit devices, emergency protection circuit devices, electrical components, etc., can solve the problem that the monitoring system for the safety and stability of power grid operation has not been improved in time, and the power line and power line monitoring cannot be accurately judged Errors and other issues, to achieve stable and reliable signal transmission, moderate cost, and stable work

Active Publication Date: 2015-04-01
重庆跃达新能源有限公司
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Problems solved by technology

[0002] In today's society, the coverage of the national grid has generally increased, which has brought great convenience to people's production and life. While the coverage of the grid has increased, the monitoring system for the safety and stability of the grid has not been improved in time. Some power line monit

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  • Electric power circuit monitoring and protection device and protection method
  • Electric power circuit monitoring and protection device and protection method
  • Electric power circuit monitoring and protection device and protection method

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Embodiment Construction

[0053] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0054] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...

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Abstract

The invention provides an electric power circuit monitoring and protection device and a protection method. The electric power circuit monitoring and protection device comprises a switching value input circuit, an analog input circuit, a switching value output circuit, an alarm module and a central processing unit, wherein a signal output end of the switching value input circuit is connected with a switching value signal input end of the central processing unit; a switching value signal output end of the central processing unit is connected with a signal input end of the switching value output circuit; the analog input circuit is connected with an analog-to-digital conversion signal input end of the central processing unit through an analog-to-digital conversion circuit; a display signal output end of the central processing unit is connected with the alarm module.

Description

technical field [0001] The invention relates to the field of electronic circuits, in particular to a power line monitoring and protection device and protection method. Background technique [0002] In today's society, the coverage of the national grid has generally increased, which has brought great convenience to people's production and life. While the coverage of the grid has increased, the monitoring system for the safety and stability of the grid has not been improved in time. Some power line monitoring equipment has short service life, severe jumps, can not protect against overvoltage, and can not prevent filter interference, so it causes power line monitoring errors and cannot accurately judge power line problems, so it is urgently needed for those skilled in the art to solve corresponding technical issues. Contents of the invention [0003] The present invention aims at at least solving the technical problems existing in the prior art, and particularly innovatively...

Claims

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Application Information

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IPC IPC(8): H02J13/00H02H7/26
CPCY02E60/00Y04S10/20
Inventor 严帷张琪
Owner 重庆跃达新能源有限公司
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