Multi-energy virtual power plant operating parameter aggregation method based on robust correction

A technology of virtual power plant and aggregation method, which is applied in the direction of electrical components, circuit devices, photovoltaic power generation, etc., and can solve the problems of not considering the maximum and minimum active power of virtual power plants, not considering multiple energy conversion equipment, loss of flexibility, etc.

Active Publication Date: 2020-06-19
STATE GRID JILIN ELECTRIC POWER COMPANY LIMITED +1
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Problems solved by technology

However, this aggregation method does not consider a variety of energy conversion equipment in the virtual power plant, such as cogeneration units and electric boilers, and does not consider

Method used

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  • Multi-energy virtual power plant operating parameter aggregation method based on robust correction
  • Multi-energy virtual power plant operating parameter aggregation method based on robust correction
  • Multi-energy virtual power plant operating parameter aggregation method based on robust correction

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Embodiment Construction

[0203] The multi-energy virtual power plant operation parameter aggregation method based on robust correction proposed by the present invention, its flow chart is as follows figure 2 shown, including the following steps:

[0204] (1) It is assumed that the multi-energy virtual power plant includes generators, combined heat and power units, gas boilers, absorption refrigeration units, electric boilers, electric refrigerators and batteries, and the generators are conventional generators and distributed photovoltaic power generation devices or distributed wind turbines, the multi-energy virtual power plant is connected to the power system through tie lines, such as figure 1 As shown; establish a first optimization model, the first optimization model is used to calculate the power baseline reported by the multi-energy virtual power plant to the power system, as the benchmark of the power system day-ahead scheduling, the first optimization model is based on the total power of the ...

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Abstract

The invention relates to a multi-energy virtual power plant operation parameter aggregation method based on robust correction, and belongs to the technical field of operation control of comprehensiveenergy systems. According to the method, the comprehensive energy system within a certain range is equivalent to a model similar to a generator, is connected with the power system through a tie line and participates in power system dispatching, and regulation and control of a power system dispatching center are facilitated. The multi-energy virtual power plant model formed by modeling comprises power baseline and power upper and lower limit constraints, energy upper and lower limit constraints and power variation upper and lower limit constraints, and the model ensures that any day-ahead scheduling plan issued by a power system scheduling center and meeting all constraints of the model can be realized by virtual power plant tracking. According to the method, it can be guaranteed that any power system dispatching plan within the model range can be followed by the multi-energy virtual power plant, so that the executability of the power system dispatching plan is guaranteed, and the method can be used in an actual power system and has good expandability.

Description

technical field [0001] The invention relates to a multi-energy virtual power plant operation parameter aggregation method based on robust correction, and belongs to the technical field of operation control of integrated energy systems. Background technique [0002] In recent years, the proportion of new energy power generation in the power system has been increasing year by year. The characteristics of randomness, intermittency, and volatility of new energy power generation have brought new challenges to the operation of the power system. The power system urgently needs to explore new flexibility to reduce new energy. The impact of energy randomness. [0003] Virtual power plant is a concept that has emerged in recent years. Virtual power plant refers to the aggregation and coordination optimization of distributed resources that are difficult to directly control by the power system itself, such as distributed power generation, batteries, controllable loads, and electric vehi...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/46H02J3/48H02J3/32
CPCH02J3/00H02J3/46H02J3/48H02J3/32Y04S10/50
Inventor 孙宏斌孙勇郭庆来李宝聚王彬李振元赵昊天熊健潘昭光张继权
Owner STATE GRID JILIN ELECTRIC POWER COMPANY LIMITED
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