Intelligent electric energy meter-based substation electric energy balance monitoring method

A technology for smart energy meters and substations, which is applied in the measurement of electrical variables, coin-operated equipment for rental items, and electricity measurement, etc., can solve problems affecting the assessment and management of power balance monitoring points in substations, low accuracy, and poor reliability. , to improve the data foundation and technical support, improve the level of management and control, and achieve the effect of small errors

Inactive Publication Date: 2018-04-20
JIANGSU ELECTRIC POWER CO +2
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Problems solved by technology

The integrated power is obtained by mathematical integral calculation based on the pulses collected per second. Compared with the electric energy meter, it has the characteristics of low precision and poor reliability, which affects the reliability of the calculation result of electric energy balance, and then affects the assessment and management of the electric energy balance monitoring point of the substation.

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  • Intelligent electric energy meter-based substation electric energy balance monitoring method

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Embodiment Construction

[0024] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0025] The substation electric energy balance monitoring method based on the smart electric energy meter of the present invention, such as figure 1 As shown, the details are as follows:

[0026] 1. Install smart energy meters on all grid equipment that constitutes the monitoring point of electric energy balance. These grid equipment include transformers, busbars, busbars, bypasses, all incoming lines, all outgoing lines, switches, capacitive reactance equipment, used transformers, etc.

[0027] 2. Collect the bottom code of the smart electric energy meter, that is, the number of intelligent electric energy, and periodically calculate the unbalance rate according to the measurement results of the intelligent electric energy meter. Collect...

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Abstract

The invention discloses an intelligent electric energy meter-based substation electric energy balance monitoring method. The method comprises the following steps of: mounting intelligent electric energy meters on all the power grid devices for forming electric energy balance monitoring points; acquiring base codes of the intelligent electric energy meters and calculating an unbalance rate according to an intelligent electric energy meter metering result period; and carrying out out-of-limit judgement according to an artificially preset unbalance rate threshold value, and generating alarm records for the out-of-limit monitoring points. According to the method, accurate monitoring for substation electric energy balance is realized, the error is small, real-time operation states of substationdevices can be correctly reflected, data basis and technical support are provided for power grid companies to comprehensively carry out transmission network same-term line loss balance assessment, and the power grid balance control level is greatly improved.

Description

technical field [0001] The invention relates to a method for monitoring electric energy balance of a substation based on an intelligent electric energy meter, and belongs to the technical field of electric power dispatch control application. Background technique [0002] Electric energy balance is the core index of transmission network loss management. At present, electric energy balance is mainly calculated by using integral electric quantity in dispatching electric power data acquisition and monitoring system. The integrated power is obtained by mathematical integral calculation based on the pulses collected per second. Compared with the electric energy meter, it has the characteristics of low precision and poor reliability, which affects the reliability of the electric energy balance calculation results, and then affects the assessment and management of the electric energy balance monitoring points of the substation. Contents of the invention [0003] The technical pro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G07F15/10G01R31/00
CPCG01R31/00G06Q10/06312G06Q50/06G07F15/10Y02P90/82
Inventor 吕辉仲春林吴钢季聪邵俊郑飞方超李昆明徐明珠李新家沈泓徐僖达
Owner JIANGSU ELECTRIC POWER CO
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