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Electricity theft prevention system

An anti-stealing and electricity-stealing technology, applied in the field of anti-stealing electricity systems, can solve problems such as the voltage of the voltage coil of the electric energy meter, the fault of the metering current circuit, and the fault of the metering voltage circuit, and achieve the accuracy and rapid response. Effect

Active Publication Date: 2015-11-25
PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN +1
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Problems solved by technology

Such as directly hanging the wire at the low-voltage porcelain bottle, intentionally changing the normal wiring of the electric energy meter, or intentionally causing a fault in the metering voltage circuit, resulting in loss of voltage or reduced voltage of the electric energy meter's voltage coil
Or deliberately cause a fault in the metering current circuit, causing the current coil of the electric energy meter to have no current or only part of the current, etc.

Method used

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Embodiment Construction

[0030] The anti-theft system includes the anti-theft unit on the user side and the anti-theft unit on the high and low voltage side. It is the line anti-stealing unit, which mainly prevents electricity theft by connecting the line and connecting the branch circuit by means of private connection of wires.

[0031] Such as figure 1 As shown, the anti-theft unit on the user side is to install a set of CTs before the switch that the user connects to the power grid, which is called the detection CT, while the CT and PT used for metering behind the switch remain unchanged, and the signal of the detection CT is only It is input into the anti-theft device, and the signals of measuring CT and PT are not only input into the electric energy meter for electric energy measurement, but also input into the anti-theft device at the same time. The advantage of introducing detection CT is that as long as it is confirmed that the detection CT is working normally, it is only necessary to compare...

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Abstract

An electricity theft prevention system comprises a user-side electricity theft prevention unit and a high-low-voltage-side electricity theft prevention unit, wherein the user-side electricity theft prevention unit is an ammeter electricity theft prevention unit which prevents electricity theft through an ammeter, and the high-low-voltage-side electricity theft prevention unit is a line electricity theft prevention unit which mainly prevents electricity theft through unauthorized wiring and parallel branching.

Description

technical field [0001] The invention relates to the technical field of power supply and distribution management of a power supply system, in particular to an anti-stealing power system. Background technique [0002] The development of my country's distribution network has been in a state of extensive disorder for a long time, lack of planning, large randomness, old and backward equipment, unreasonable load distribution, serious overload of lines and distribution transformers, poor mutual supply capacity of lines, partial line loss, and voltage lower quality. Facing the lack of power resources, the growing demand for power, and the power construction that requires a large amount of capital investment, how to rationally use limited power resources and how to achieve the greatest economic benefits has become a concern of the society and the majority of power supply companies. hot spot. The phenomenon of power theft by users is becoming more and more serious, and the line loss ...

Claims

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Application Information

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IPC IPC(8): G01R11/24
Inventor 马新攀
Owner PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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