Scada and electric energy acquisition system data fusion-based on-line sensing monitoring method and system for electric energy balancing of substation

A technology of electric energy collection and system data, applied in the direction of information technology support system, electrical components, circuit devices, etc., can solve the problems of complicated monitoring methods and no unified standard for substation electric energy balance monitoring, so as to improve the ability of electric energy balance management and control , Strengthen the level of refined management and reduce the effect of transmission network loss

Inactive Publication Date: 2018-04-17
JIANGSU ELECTRIC POWER CO +2
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Problems solved by technology

At present, there is no unified standard for substation electric energy balance monitoring, and the monitoring method is complicated

Method used

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  • Scada and electric energy acquisition system data fusion-based on-line sensing monitoring method and system for electric energy balancing of substation
  • Scada and electric energy acquisition system data fusion-based on-line sensing monitoring method and system for electric energy balancing of substation
  • Scada and electric energy acquisition system data fusion-based on-line sensing monitoring method and system for electric energy balancing of substation

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings. 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.

[0028] An online sensing and monitoring method for substation electric energy balance based on data fusion of Scada and electric energy acquisition system of the present invention, such as figure 1 shown, including the following steps:

[0029] Step S1, grid model sensing. Grid model data is regularly obtained from the Scada system to identify metering points.

[0030] Scada (Scheduling Power Data Acquisition and Monitoring System, referred to as Scada) system is a data acquisition and monitoring system widely used in existing power systems.

[0031] Obtain the grid topology model of the entire substation from the Scada system. The grid topology model refers to the connection relationship bet...

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Abstract

The invention discloses a Scada and electric energy acquisition system data fusion-based on-line sensing monitoring method and system for electric energy balancing of a substation. The method comprises the following steps of periodically acquiring power grid model data from a Scada system to identify each metering point; periodically acquiring configuration information and electric energy data ofthe metering point from an electric energy acquisition system; fusing the power grid model data and the electric energy data so that the data of each metering point is maintained to be consistent; building a balancing model; substituting the data of each metering point to the balancing model, and calculating unbalance rate; and generating warning record for a balancing point with balancing rate exceeding a threshold. On-line monitoring on a real-time balancing state of each electric energy balancing point of the substation is achieved, and the balancing control capability of dispatching on electric energy of the substation is improved.

Description

technical field [0001] The invention relates to the technical field of power dispatching control application, in particular to an online sensing and monitoring method for substation electric energy balance based on data fusion of Scada and electric energy acquisition system, and also relates to a monitoring system based on the monitoring method. Background technique [0002] The simultaneous line loss system of the power grid company requires the realization of the goals of "horizontal to edge, vertical to the bottom", "full-source collection, automatic generation, whole-process recording, and all-round supervision". According to the requirements of line loss management in the same period, combined with the status quo of electric energy system management, upgrade the power company to actively promote the improvement of the quality of electric energy collection data, and promote the centralized management of power balance in substations. Substation power balance monitoring is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCH02J13/0017Y02E60/00Y04S10/16Y04S10/40
Inventor 徐春雷彭栋孙虹吕辉仲春林季聪邵俊方超李新家熊政李昆明徐明珠郑飞范洁李源
Owner JIANGSU ELECTRIC POWER CO
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