Cable monitoring device and method
A monitoring device and cable technology, which can be used in fault location, fault detection by conductor type, signal transmission system, etc., can solve problems such as inefficiency and universality, and achieve the effect of ensuring safety.
Inactive Publication Date: 2019-02-15
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology
[0005] For high-temperature superconducting cables, the existing protection schemes mainly ensure the safety of their operation by strengthening the bearing capacity of the cable body, but they do not have good economy and universality.
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[0032] The embodiment of the present application provides a cable monitoring device and method, which can obtain the operating state parameters of the cable to be detected in real time during operation, and judge whether the cable to be detected is in a safe operating state according to the operating state parameters, and if not, cut off the cable to be detected , to ensure the safety of superconducting current-limiting cables during operation.
[0033] In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the following The described embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons o...
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The application provides a cable monitoring device and method. According to the device, a signal acquisition module acquires the running information of a power system and a cable to be detected, and transmits the acquired running information to a state evaluation module; the state evaluation module judges whether the power system and the cable to be detected are running normally according to the received running information, and sends a first protection signal to a main control chip if the running is abnormal; the main control chip sends a second protection signal to a first cable protection module according to the received first protection signal; and the first cable protection module removes the cable to be detected according to the received second protection signal. The cable monitoringdevice provided by the application can monitor the running state parameters of a running cable in real time and judge whether the cable is running normally according to the running state parameters,so as to improve the work safety of the cable.
Description
technical field [0001] The present application relates to the technical field of electrical equipment monitoring and protection, in particular to a cable monitoring device and method. Background technique [0002] With the rapid development of the national economy, the demand for transmission power and reliability of the power distribution system is increasing. For areas such as financial, commercial and government centers, which have large areas, high population density, and have a major impact on the national economy, high capacity and reliability of power distribution systems are their key requirements and important guarantees. The limitation of capacity will hinder the development of the area, and the increase of short-circuit current due to the increase of capacity and the change of system operation mode will have a negative impact on system safety. A major power grid interruption will have a great impact on the economic benefits and safety of the region. Therefore, m...
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Login to View More IPC IPC(8): G01R31/08G08C17/02
CPCG01R31/083G08C17/02
Inventor 胡南南宋萌史正军李力夏亚君罗运松林友新程文峰韦玮
Owner GUANGDONG POWER GRID CO LTD