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Rapid peak shaving method for power grid with participation of thermal power generating unit

A technology for thermal power units and peak shaving, which is applied in circuit devices, AC network circuits, and single-network parallel feeding arrangements, etc., can solve the problems of lack of understanding of the response speed of thermal power units for peak shaving, and failure to fully consider the operating status of thermal power units.

Active Publication Date: 2019-07-12
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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Problems solved by technology

This method lacks the understanding of the peak regulation response speed of thermal power units, and does not fully consider the operating status of thermal power units

Method used

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  • Rapid peak shaving method for power grid with participation of thermal power generating unit
  • Rapid peak shaving method for power grid with participation of thermal power generating unit
  • Rapid peak shaving method for power grid with participation of thermal power generating unit

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Embodiment Construction

[0061]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the accompanying drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0062] Refer to attached figure 1 The flow chart of the present invention is combined with the actual power grid to describe the peak regulation method proposed by the present invention in detail.

[0063] The fast peak-shaving method of the power grid participated by the thermal power unit of the present invention mainly comprises the following steps:

[0064] Step 1: Determi...

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Abstract

The invention provides a rapid peak shaving method for a power grid with participation of a thermal power generating unit. The rapid peak shaving method for a power grid is provided through analysis of the operation state and the peak shaving response speed of the thermal power generating unit. The rapid peak shaving method comprises the steps of: determining the running state of a thermal power generating unit in a region; for different operation states, determining the peak shaving response speed of the thermal power generating unit to obtain a continuously updated peak shaving response speed matrix of the unit participating in peak shaving in the region; obtaining the operating load correlation matrix of the unit according to the current operation load unit participating in peak shaving; and performing peak shaving task distribution according to the operating load of the current thermal power generating unit. The rapid peak shaving method provides a much rapider and more reliable power grid peak shaving scheme by distinguishing the operation state and the peak shaving response speed of the thermal power generating unit.

Description

technical field [0001] The invention relates to the field of power grid peak regulation, and more specifically, relates to a method for power grid peak regulation involving thermal power units. Background technique [0002] In recent years, renewable energy has developed rapidly, and the installed capacity has continued to increase. At present, the growth of electricity demand is gradually slowing down, and the consumption of renewable energy power generation is limited due to volatility and intermittency. Encouraging thermal power units to participate in power grid peak regulation is currently the main method to effectively alleviate the large gap in power grid peak regulation and ensure the consumption of renewable energy power generation. At this stage, the intermittent characteristics of renewable energy have not been improved by various load forecasting methods. Therefore, it is particularly important for the power grid to use thermal power units to achieve rapid peak ...

Claims

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Application Information

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IPC IPC(8): H02J3/46
CPCH02J3/46H02J2203/20
Inventor 张绪辉赵岩胡志宏杨兴森张用马义河陈玉峰崔福兴赵晴川王家新董信光刘科王海超赵中华
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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