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Transformer super-capacitance site detector

A technology for detectors and transformers, applied in the direction of instruments, measuring electronics, measuring devices, etc., can solve problems such as difficult transformer technology and measures, transformer overcapacity, etc., and achieve the effect of reliable operation and simple working principle

Inactive Publication Date: 2014-09-10
STATE GRID CORP OF CHINA +1
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AI Technical Summary

Problems solved by technology

During the on-site inspection, it is difficult for electricity inspectors to judge that the transformer is overcapacitated by intuition.
Therefore, it is necessary to use a transformer capacity tester to test the capacity of the transformer on site, and there are technical and measure difficulties in the on-site analysis of transformer overcapacity

Method used

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  • Transformer super-capacitance site detector
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Examples

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Embodiment Construction

[0011] according to figure 1 As shown, the front panel of the tester 1 is equipped with a display screen 2, a number key 5, a confirmation key 6 and a return key 7 from top to bottom, and a USB interface 3 and a background computing chip 4 are provided on the side of the tester.

[0012] The program principle is briefly described as follows: Transformer maximum operating power = transformer capacity * 31 days * 24 hours; Transformer monthly power consumption = (this month's representation number - last month's representation number) * PT ratio * CT ratio. If the transformer’s monthly power consumption > the transformer’s maximum operating power, the display will show that the transformer is overcapacity, and an alarm will sound through the set overcapacity alarm function. The device also has a USB interface to communicate data with a computer.

[0013] During the on-site inspection, after the normal equipment wiring is completed, first enter the nameplate capacity of the tran...

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Abstract

The invention proposes a transformer super-capacitance site detector. A display screen, digital keys, a determination key and a backspace key are installed on a front panel of the detector from top to bottom. A side part of the detector is provided with a USB interface and a backstage computing chip. During site check, after normal device wiring, firstly, a transformer nameplate capacity is entered on an operation board and then after meter numbers of a current month and last month, recorded in an electricity meter, and PT and CT multiplying powers are entered, the determination key is clicked and through computation of a backstage program, the display screen displays whether super capacitance of the transformer happens. If the transformer operates in a super-capacitance manner, the detector sends a drip alarm. The transformer super-capacitance site detector is simple in work principle, reliable to operate, capable of site detection without needing power-off, and capable of immediately judging a super-capacitance condition of an operating transformer. The detector is suitable for being applied as a site detector for super capacitance of a transformer.

Description

technical field [0001] The invention proposes a transformer detection device in the electric power field, specifically a transformer supercapacity on-site detector. Background technique [0002] With the rapid development of social economy, high-energy-consuming industries and seaside aquaculture are rising rapidly, and electricity consumption is also increasing significantly. However, in recent years, due to high pollution, high energy consumption, and great waste of environmental resources in high-energy-consuming industries and seaside aquaculture, the state has adopted relevant control and management policies to strictly control the redevelopment of high-energy-consuming and high-polluting enterprises. Therefore, individual enterprises need to develop further and increase the capacity of electrical equipment, and power supply enterprises no longer accept their applications for capacity expansion. The normal procedures for applying for electricity capacity increase were ...

Claims

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Application Information

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IPC IPC(8): G01R31/00
Inventor 张博曲霏王楠张迪杨雅静王海洋陈宇陈险宁李天真孟娜李敏秋李志涛李妍
Owner STATE GRID CORP OF CHINA
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