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A control method for distributed power grid-connected operation

A technology of distributed power supply and control method, applied in the direction of parallel feeding arrangement of a single network, can solve the problems of power supply quality decline, power grid damage, unstable power supply quality, etc., to avoid monitoring dead ends, promote development, and expand flexibility. and the effect of loose coupling

Active Publication Date: 2017-07-28
STATE GRID TIANJIN ELECTRIC POWER +1
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Problems solved by technology

But for distributed power supply, because distributed power supply is greatly affected by environmental factors, there are still various technical deficiencies in distributed power supply technology, the quality of power supply is unstable, and unclean electric energy will lead to the The quality of grid power supply declines. If the quality of distributed power supply cannot be properly controlled, it will cause damage to the grid

Method used

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Embodiment Construction

[0032] The implementation of the present invention will be described in further detail below. The following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0033] A control method for grid-connected operation of distributed power sources, the method comprising steps as follows:

[0034] (1) Monitor the operating status of distributed power sources in the region; record the equipment characteristics of distributed power sources, and track the grid-connected status and environmental parameters of distributed power sources from time to time; perform statistics and display on the recorded results, and monitor distributed power sources with abnormal operating status Labels, including:

[0035] ①In the form of a list, record the power generation type, consumption method and grid connection point of the distributed power supply, and track and record the switch status of the public connection point of the distributed po...

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Abstract

The invention relates to a control method for grid-connected operation of distributed power sources, comprising the steps of: (1) monitoring the operating status of distributed power sources in an area, and statistically displaying the record results; (2) tracking and monitoring the power quality of distributed power sources Compare with the specified standard data, and mark the abnormality of the distributed power supply whose power quality exceeds the specified standard; (4) power generation inspection and control; (5) off-grid control due to customer power generation inspection failing; (6) and off-grid control. The invention has good expansion flexibility and loose coupling, can quickly expand and deepen the application, realizes the whole process monitoring of the distributed power supply, avoids the dead angle of monitoring, protects the initial investment, and effectively improves the business monitoring efficiency of the distributed power supply.

Description

technical field [0001] The invention belongs to the technical field of grid-connected power generation control of distributed power sources in power systems, in particular to a control method for grid-connected operation of distributed power sources. Background technique [0002] At present, the development momentum of distributed power generation technology is very strong. The country first provided market promotion support for photovoltaic power generation technology. The marketization of the development of traditional energy, on the basis of doing a good job in the grid-connected work of distributed photovoltaics, will expand to the grid-connected power supply of all types of distributed power sources. A series of standards and rules for distributed power grid-connected services have been formulated. [0003] Distributed energy systems do not simply adopt traditional power generation technologies, but are based on new technologies such as automatic control systems, advan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
Inventor 钟珊贾培刚方艳军张皓孙继科马涛郑培智程宝华
Owner STATE GRID TIANJIN ELECTRIC POWER
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