Method and system for calculating reduced electric quantity of wrong wiring of electric energy metering device

An electric energy metering device and electric quantity calculation technology, which is applied in the direction of measuring device, electric variable measurement, electrical connection test, etc., can solve problems such as the complicated calculation process of the method of restoring electric quantity, achieve simple, reliable and easy-to-understand calculation process, improve the efficiency of electric quantity restoration, Avoiding the effects of computational procedures

Pending Publication Date: 2022-06-24
JIANGSU FRONTIER ELECTRIC TECH
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  • Application Information

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Problems solved by technology

[0003] In order to solve the complex calculation process of the existing power metering device misconnection restoration method, the present invention proposes a power metering device misconnection restoration method and system, which can simply and quickly perform restoration power calculation through the restoration power calculation coefficient , is universal

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  • Method and system for calculating reduced electric quantity of wrong wiring of electric energy metering device
  • Method and system for calculating reduced electric quantity of wrong wiring of electric energy metering device
  • Method and system for calculating reduced electric quantity of wrong wiring of electric energy metering device

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Embodiment Construction

[0033] Below in conjunction with accompanying drawing, technical scheme of the present invention is further described:

[0034] The invention proposes a method for calculating the amount of electricity restored by wrong wiring of an electric energy metering device, such as figure 1 shown, including the following steps:

[0035] Step A: Derive the coefficient according to the measurement principle of the electric energy metering device, and construct a calculation coefficient table of the reduction power.

[0036] The present invention calculates the coefficients required for the reduction of electricity from the perspective of mathematical derivation, and stores them in the reduction-electricity metering coefficient table for subsequent direct inquiries. Reduction power calculation coefficient, reduction power calculation coefficient is divided into active power reduction coefficient and reactive power reduction coefficient.

[0037] At present, the commonly used electric en...

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Abstract

The invention discloses a method and a system for calculating wrong wiring reduced electric quantity of an electric energy metering device. The method specifically comprises the following steps: acquiring a wrong wiring type, wrong wiring active metering electric quantity and wrong wiring reactive metering electric quantity of the electric energy metering device; searching a reduction electric quantity calculation coefficient from a pre-constructed reduction electric quantity calculation coefficient table according to the wrong wiring type; and according to the reduced electric quantity calculation coefficient, the wrong wiring active metering electric quantity and the wrong wiring reactive metering electric quantity, calculating active reduced electric quantity and reactive reduced electric quantity. According to the method, a complex calculation process can be effectively avoided, the method has universality for the calculation of the reduced electric quantity of various wrong wiring types except for stop, and the calculation method is simple and rapid and is suitable for the design of a computer software system.

Description

technical field [0001] The invention relates to a method and a system for calculating the amount of electricity restored by wrong wiring of an electric energy metering device, and belongs to the technical field of electric energy metering. Background technique [0002] The electric energy metering device is a commonly used metering device in the power system. When the electric energy metering device is miswired, the electric energy metering device will not be able to accurately measure the electric energy. At this time, the electric energy metering device needs to be restored, and the measurement in the wrong wiring state is usually used. Data, through the reduction algorithm to solve the actual electricity generated. At present, the common method of restoring electricity is to calculate step by step according to the process in the textbook, through the complex process of estimating the power factor of the user's load, inverting the trigonometric function, and solving the eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/10G01R11/50G01R11/52G01R11/56G01R31/67G01R35/04
CPCG06F17/10G01R11/56G01R11/50G01R11/52G01R31/67G01R35/04
Inventor 王黎明严永辉吴钢于怡李新家赵磊
Owner JIANGSU FRONTIER ELECTRIC TECH
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