Power grid active power control method with energy storage power station and controllable load participating in adjustment

An energy storage power station and control method technology, which is applied in the direction of AC network voltage adjustment, power network operating system integration, AC network with the same frequency from different sources, etc. It can meet the needs of market transaction settlement, improve new energy consumption capacity, and promote the active participation of energy storage power stations and controllable load entities in new energy consumption.

Pending Publication Date: 2022-08-09
NARI TECH CO LTD +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it does not consider how energy storage power stations and controllable loads participate in real-time control, and does not solve how to make full use of multiple power generation resource spaces and adjust complementary characteristics, and simultaneously tap energy storage power stations and controllable load adjustment space to achieve The technical problem of maximizing the consumption of new energy and meeting the needs of market transaction settlement

Method used

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  • Power grid active power control method with energy storage power station and controllable load participating in adjustment
  • Power grid active power control method with energy storage power station and controllable load participating in adjustment
  • Power grid active power control method with energy storage power station and controllable load participating in adjustment

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Embodiment 1

[0136] like figure 1 As shown, the embodiment of the present invention provides a grid active power control method in which an energy storage power station and a controllable load participate in regulation, including the following steps:

[0137] 1. Determine the new energy power plants, conventional power plants, energy storage power plants, controllable loads and external connection lines to participate in the coordinated control;

[0138] 2. Taking the maximum sum of the active command values ​​of the new energy stations and conventional power plants participating in the coordinated control as the optimization goal, taking into account the active power adjustable space and the safe operation constraints of the power grid, construct the first-stage optimization objective function;

[0139] 3. Calculate the active command value of the new energy station, conventional power plant, energy storage power station and controllable load after the first-stage optimization according t...

Embodiment 2

[0199] The embodiment of the present invention also provides a power grid active power control device in which an energy storage power station and a controllable load participate in the regulation, the device includes:

[0200] The active node determination module is used to determine the new energy power plants, conventional power plants, energy storage power plants, controllable loads and external connection lines participating in the coordinated control;

[0201] The first-stage optimization module is used to construct the first-stage optimization goal with the maximum sum of the active command values ​​of the new energy stations and conventional power plants participating in the coordinated control as the optimization goal, taking into account the active power adjustable space and the safe operation constraints of the power grid function;

[0202] The first-stage optimization result acquisition module is used to calculate and obtain the active power command values ​​of the n...

Embodiment 3

[0259] Based on the first embodiment, the embodiment of the present invention further provides an energy storage power station and a grid active power control device in which a controllable load participates in regulation, including a processor and a storage medium;

[0260] storage medium for storing instructions;

[0261] A processor is operable in accordance with the instructions to perform steps in accordance with the above-described method.

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Abstract

The invention discloses a power grid active power control method and device with an energy storage power station and a controllable load participating in adjustment, and a storage medium. The method comprises the following steps: calculating active power sensitivity of active power of an external tie line and a power grid active power node to a safe and stable power transmission channel; determining a power grid safe operation constraint; calculating an active adjustable space; constructing a first-stage optimization objective function, considering active adjustable space and power grid safe operation constraints, and calculating active instruction values of the new energy station and the conventional power plant after the first-stage optimization; updating the active adjustable space; a second-stage optimization objective function is constructed, and active instruction values of the new energy power station, the energy storage power station and the controllable load after second-stage optimization are calculated by considering the updated active adjustable space and the power grid safe operation constraint; according to the invention, on the basis of ensuring safe and economical operation of a power grid in an electricity market environment, the new energy consumption capability is improved by utilizing the energy storage power station and the controllable load regulation capability.

Description

technical field [0001] The invention relates to a grid active power control method in which an energy storage power station and a controllable load participate in regulation, and belongs to the technical field of grid dispatching control. Background technique [0002] With the rapid increase of the installed capacity of new energy, the random fluctuation of the grid-connected power of the power generation side in the power grid increases. In order to ensure the security of the power grid and maximize the consumption of new energy, it is necessary to coordinate and control the power of different types of power plants in the whole network in real time. . At the same time, with the large-scale grid connection of energy storage and controllable loads, new means are provided for further improving the consumption of new energy. Excavating energy storage power stations and controllable load adjustment space to improve the level of new energy consumption, while meeting the needs of...

Claims

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Application Information

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IPC IPC(8): H02J3/48H02J3/38H02J3/14H02J3/06H02J3/28H02J3/24
CPCH02J3/48H02J3/38H02J3/144H02J3/06H02J3/28H02J3/241H02J2203/20Y04S20/222
Inventor 刘韶峰王辉傅国斌常康李威宋锐周天王学斌汪马翔李吉晨张昊天
Owner NARI TECH CO LTD
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