Device and method for real-time voltage monitoring and overvoltage protection for communication chips
An overvoltage protection device and communication chip technology, applied in the field of electric power, can solve problems such as communication interruption in substations, endangering personal safety, affecting power supply reliability, etc., and achieve the effect of improving reliability and avoiding lightning strikes
Active Publication Date: 2018-01-02
STATE GRID CORP OF CHINA +2
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Problems solved by technology
When the communication chip fails, it is generally a failure that must be resolved immediately. Once it is not handled in time, the background and dispatchers will not be able to obtain effective data from the substation, and will lose monitoring of the substation. This will affect the reliability of power supply at the slightest level, and cause a large-scale interruption of communication in the entire substation. , and even endanger personal safety
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[0026] Such as figure 1 As shown, a real-time voltage monitoring and overvoltage protection device for a communication chip includes a real-time voltage monitoring unit and an overvoltage protection unit, wherein the real-time voltage monitoring unit includes a main control module 1 and is connected to the main control module 1 A detection module 2, a display module 3, a storage module 4, a clock module 5, a communication module 6 and a power supply module, the detection module 2 is connected with the protected communication chip 8 for detecting the real-time voltage of the protected communication chip 8; The module supplies power to each module of the real-time voltage monitoring unit. The overvoltage protection unit adopts a surge protection module 7, and the surge protection module 7 is connected in parallel to the voltage terminal of the protected communication chip 8 for removing the overvoltage of the protected communication chip.
[0027] In this embodiment, the detect...
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The invention discloses a real-time voltage monitoring and overvoltage protection device and method for a communication chip, including a real-time voltage monitoring unit and an overvoltage protection unit, wherein the real-time voltage monitoring unit includes a main control module and is connected to the main control module A detection module, a display module, a storage module, a clock module, a communication module and a power supply module, the detection module is connected with the protected communication chip, and is used to detect the real-time voltage of the protected communication chip; the overvoltage protection unit adopts a wave The surge protection module is connected in parallel to the voltage terminal of the protected communication chip, and is used to remove the overvoltage of the protected communication chip. The real-time voltage monitoring and overvoltage protection device of the present invention can monitor the voltage of the communication chip in real time, remove the overvoltage in time, and ensure the normal operation of the communication chip.
Description
technical field [0001] The invention relates to a real-time voltage monitoring and overvoltage protection device and method for a communication chip, belonging to the technical field of electric power. Background technique [0002] With the rapid development of the power industry, the scale and capacity of the power grid are increasing day by day, and the types and quantities of power grid equipment are increasing year by year. Among these devices, some are specially used for real-time monitoring of power grid operation values, etc., so that the power grid is in a "knowable" and "controllable" state to ensure reliable operation of the power grid. When a fault occurs on the transmission line, in order to prevent the fault range from expanding, a component is needed to correctly judge the fault state of the transmission line and cause the switch to trip to reduce the fault range. It is called a line protection device, referred to as: line protection. Its basic task: When a fa...
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IPC IPC(8): H02H9/04H02H9/06G01R19/25
Inventor 韩鹏虞七夫沈利生方丰徐建宁许铭时钟鸣游春瑜陈佳
Owner STATE GRID CORP OF CHINA