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Distribution transformer monitoring alarm

A technology of distribution transformers and alarms, which is applied in the direction of measuring electrical variables, measuring current/voltage, instruments, etc., can solve the problems of distribution transformer failure response time, high ambient temperature, heavy transformer load, etc. that affect the quality of power supply, and achieve practicability Strong, improve the safety factor, the effect of simple device structure

Inactive Publication Date: 2018-06-01
沈阳元生鑫达科技有限公司
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Problems solved by technology

And especially during the peak summer period, the ambient temperature is high and the transformer load is heavy, which seriously affects the quality of power supply and the response time of distribution transformer faults

Method used

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Embodiment Construction

[0021] like figure 1 As shown, the present invention includes a temperature detection device, a voltage detection device and a leakage monitor, and the temperature detection device, the leakage monitor and the voltage detection device are all connected to the monitoring and alarm device. The leakage monitor includes: a leakage protector and a leakage collector; the leakage protector is installed in the power supply circuit of the transformer to be detected, and the leakage collector is installed between the shell of the transformer to be detected and the ground .

[0022] Preferably, a first comparator is connected between the temperature detection device and the monitoring and alarm device, one input end of the first comparator is connected to the temperature detection device and the other input end is connected to a first limit adjustment circuit , the output terminal of the first comparator is connected to the monitoring and warning device; a second comparator is connected...

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Abstract

The invention relates to the field of transformer monitoring, in particular to a distribution transformer monitoring alarm. The distribution transformer monitoring alarm can improve the quality of power supply and the response time of distribution transformer failure. The distribution transformer monitoring alarm comprises a temperature detection device, a voltage detection device and a leakage monitor. The temperature detection device, the leakage monitor and the voltage detection device are all connected to a monitoring alarm device. The leakage monitor includes a leakage protector and a leakage collector. The leakage protector is installed in the power supply circuit of a transformer to be detected, and the leakage collector is installed between the shell of the transformer to be detected and the ground.

Description

technical field [0001] The invention relates to the field of transformer monitoring, in particular to a distribution transformer monitoring alarm. Background technique [0002] A transformer is a static electrical device that uses electromagnetic induction to convert AC power of one voltage into AC power of another voltage with the same frequency. Power transformers, as indispensable and important equipment for connecting networks with different voltage levels, widely exist in power grids at all levels, and their safe operation is related to whether the entire power system can work continuously and stably. With the development of the power system, the capacity and voltage level of the power grid continue to increase. As the hub of power transmission, large-scale high-voltage transformers are especially important in the process of ultra-high voltage long-distance power transmission. It is self-evident whether it operates safely or not. It is related to whether the power syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02G01R19/00G01K13/00
CPCG01K13/00G01R19/00G01R31/50
Inventor 葛程程李富佳李静
Owner 沈阳元生鑫达科技有限公司
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