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A method, device and equipment for simulation and constant capacity of power plant energy storage auxiliary frequency regulation

An auxiliary frequency modulation and power plant technology, applied in the electric power field, can solve the problem of large net profit of the project, and achieve the effect of optimal benefit and stable operation

Active Publication Date: 2021-05-14
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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  • Application Information

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Problems solved by technology

For the selection of the optimal energy storage capacity, it is difficult to maximize the net profit of the project if the frequency regulation income is not calculated in conjunction with the frequency regulation auxiliary service rules

Method used

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  • A method, device and equipment for simulation and constant capacity of power plant energy storage auxiliary frequency regulation
  • A method, device and equipment for simulation and constant capacity of power plant energy storage auxiliary frequency regulation
  • A method, device and equipment for simulation and constant capacity of power plant energy storage auxiliary frequency regulation

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Embodiment Construction

[0092] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0093] See Figure 1-2 , the embodiment of the present invention provides a simulation capacity-determining method for auxiliary frequency regulation of energy storage in a power plant, comprising the steps of:

[0094] S1. Acquire the basic parameters of the target power plant; wherein, the basic parameters include the characteristic parameters of the power plant, the actual operation data of the power plant, the historical AGC command d...

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Abstract

The invention discloses a simulation constant capacity method, device and equipment for power plant energy storage auxiliary frequency regulation. The method includes: obtaining the basic parameters of the target power plant; establishing a simulation model of the power plant according to the basic parameters of the target power plant; combining the parameters of the energy storage battery to determine the energy storage Battery charge and discharge strategy; establish an energy storage system model based on the parameters of the energy storage battery, and calculate the AGC regulation performance index for joint frequency regulation by combining the power plant simulation model and the energy storage system model; establish energy storage costs based on the basic parameters of the target power plant and the AGC regulation performance index and the income model, and determine the income objective function; use the income objective function to calculate the net profit, and obtain the energy storage power and energy storage capacity at the time of maximum net profit as the optimal energy storage selection capacity. The invention can comprehensively select the optimal energy storage capacity based on the parameters of various power plants, so that the project benefit is optimal under the condition of ensuring the safe and stable operation of the energy storage system and the regional power grid.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a method, device and equipment for simulating capacity-determining for auxiliary frequency regulation of energy storage in power plants. Background technique [0002] In the operation of the power system, the problem of short-term (second or minute) and random active power imbalance in the regional power grid is solved, that is, the grid frequency and tie line power control are mainly realized through automatic generation control (AGC). It puts forward higher requirements for the performance of FM power supply, such as fast regulation rate, high regulation precision, and frequent switching of power regulation directions. [0003] The power grid AGC frequency regulation function is mainly provided by conventional power sources including hydropower, gas-fired units and thermal power units. Due to the responsive inertia of these power systems, the conversion of primary ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/24H02J3/32H02J3/00G06F30/20
CPCH02J3/008H02J3/24H02J3/32
Inventor 印佳敏郑赟赵刚余欣梅曹静邓广义
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD