Ventilation cooling ring main unit fault diagnosis method

A fault diagnosis, ventilation and cooling technology, applied in the field of ring network cabinet monitoring, can solve problems such as poor data, and achieve the effect of accurate fault location and convenient fault location

Inactive Publication Date: 2021-05-11
湖北铁能电气集团有限公司
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Problems solved by technology

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a fault diagnosis method for a ventilated and cooled ring network cabinet. The technical problem to be solved by the present invention is: when the ring network cabinet fails during operation, professionals still need to visit the site The method of diagnosis, and the

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  • Ventilation cooling ring main unit fault diagnosis method

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[0021]The technical solutions in the embodiments of the present invention will be apparent from the embodiments of the present invention, and embodiments, are intended, as described in the embodiments of the invention, not all of the embodiments of the invention. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.

[0022]As shown, the present invention provides a ventilated loop closet fault diagnosis method, including the following steps:

[0023]S1, first need to establish a mode-breaking line fault method database, integrate various fault judgments and data information and store it.

[0024]S2, through the temperature sensor and the humidity sensor to detect the environmental temperature and humidity of the ring network cabinet, the temperature and humidity of the wire box, the temperature and humidity of the switch chamber, and the temperature and humidity of the cable groove, a...

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Abstract

The invention discloses a ventilation cooling ring main unit fault diagnosis method, and particularly relates to the technical field of ring main unit monitoring. A modeling disconnection fault method database is built, the temperature and humidity of the environment in a ring main unit, the temperature and humidity of a wire box, the temperature and humidity of a switch room, and the temperature and humidity of a cable trough are detected through a temperature sensor and a humidity sensor, current and voltage values of each output/input cable port are detected through a current detector and a voltage detector, when a monitoring signal is transmitted to a computer terminal, signal amplification is carried out on the received tail end in a signal coupling mode, and an infrared thermal image of a heat source of an internal component of the ring main unit in operation is obtained, so the thermal information of each cable port is visualized, the fault is effectively positioned and is convenient to analyze and guide, the fault does not need to be detected in a power-off mode, the purpose of judging the fault information through real-time online monitoring data can be achieved, the fault can be accurately detected, and fault diagnosis of the ring main unit is facilitated.

Description

technical field [0001] The invention relates to the technical field of ring network cabinet monitoring, and more specifically, the invention relates to a fault diagnosis method for a ventilated and cooled ring network cabinet. Background technique [0002] The development of smart grid has risen to the level of national strategy and has become an important part of national economic development and energy policy. The construction goal of smart grid in the field of power distribution requires us to provide safe and reliable intelligent electrical equipment, and the scale of power distribution network With continuous expansion, the use of ring network cabinets in my country's distribution network is huge, and it is also a weak link in the distribution network with frequent faults. Establishing a complete network platform for panoramic online monitoring of ring network cabinets is used for fault warning and system evaluation. The key to the safe and reliable operation of the power...

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Application Information

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IPC IPC(8): G01R31/00G01D21/02
CPCG01R31/00G01D21/02
Inventor 王燕平付勇唐树波王兵陈科谢正新
Owner 湖北铁能电气集团有限公司
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