Remote control device for leakage relay

Abstract

A remote control device for a leakage relay disclosed by the present invention comprises a remote control module and a self-healing control module, the remote control module comprises a detection mechanism, an analysis processing mechanism and an information transmission mechanism, the detection mechanism and the information transmission mechanism are both connected with the analysis processing mechanism, the analysis processing mechanism is connected with the self-healing control module, the self-healing control module comprises an electromagnetic control mechanism, a contact system and a self-healing electromagnetic control mechanism, and the electromagnetic control mechanism and the self-healing electromagnetic control mechanism are both connected with the contact system. Data are collected through the detection mechanism, preliminary integration and fault analysis of the data are carried out through the analysis and processing mechanism, transmission is carried out through the information transmission mechanism, the analysis and processing mechanism is connected with the self-healing electromagnetic control mechanism to control the self-healing electromagnetic control mechanism to act, and fault recovery is carried out through the self-healing control module. Remote control of the leakage relay is realized, and a fault diagnosis function is realized through the information transmission mechanism.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a remote control device for leakage relays. Background technique [0002] The leakage relay is an electronic circuit leakage detection and control relay closing (opening) device, which is combined with an AC contactor to form a residual current action protector. At present, it has become an essential device for low-voltage distribution network leakage protection, and has played an important role in preventing line, equipment leakage and personal electric shock. Now after the popularization and application of large-scale specifications, it has also realized a relatively complete low-voltage distribution network general protection and branch protection. , Household insurance three-level leakage protection mode. The matching electromagnetic AC contactor is also an automatic control device, which is widely used in automatic control circuits and electric power, power distributi...

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Problems solved by technology

However, it only has the function of voltage drop protection. It cannot identify other fault conditions, has no fault diagnosis, communication and other functions, and cannot be eliminated in time after a fault occurs, which has certain limitations.

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