System for monitoring enclosed busbar

Abstract

The invention discloses a system for monitoring an enclosed busbar. The system comprises a plurality of monitoring devices, a processing device, a control device and a monitoring device, wherein the plurality of monitoring devices are respectively arranged in a first discharge port flange in an enclosed busbar chamber and a second discharge port flange outside the enclosed busbar chamber, and areused for monitoring temperature and humidity values inside the enclosed busbar chamber and outside the enclosed busbar chamber; the processing device is arranged in the enclosed busbar chamber, connected with the plurality of monitoring devices, and used for receiving a plurality of temperature and humidity values transmitted by the plurality of monitoring devices and outputting a plurality of direct current values obtained by conversion according to the plurality of temperature and humidity values; the control device is connected with the processing device and used for determining a temperature and humidity early warning value in advance, and determining the plurality of corresponding temperature and humidity values according to the received plurality of direct current values; and the monitoring device is connected with the control device, and is used for determining whether the enclosed busbar chamber has an insulation fault or not according to the temperature and humidity values andthe temperature and humidity early warning value. The system solves the technical problem in the prior art that it is impossible to effectively determine whether the enclosed busbar chamber has an insulation fault or not.

Description

technical field [0001] The invention relates to the technical field of monitoring, in particular to a system for monitoring closed busbars. Background technique [0002] The high-voltage bus on the 6kV inlet side of the existing unit passes through the closed bus barrel, enters the room through the wall, and connects with the excitation transformer and the generator lead wire. Since other power plants did not find the condensation inside the closed bus in time, the bus is insulated from ground and between phases. Reduce the accidents of short-circuit discharge damage to equipment. [0003] Although the existing 6kV incoming side high-voltage closed busbar is equipped with a micro-positive pressure device, the micro-positive pressure device can only be activated when the gas pressure in the closed busbar is lower than the set value, so as to dry the moisture in the closed busbar Purpose, it does not have the function of starting the drying equipment according to the actual t...

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a system for monitoring closed busbars, so as to at least solve the technical problem in the prior art that it is impossible to effectively determine whether there is an insulation fault in the closed busbar room

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