Combined biding method for power-to-gas unit and gas unit in power market and natural gas market

A technology of electricity market and natural gas, which is applied in the field of joint bidding of power-to-gas units and gas units in the electricity market and natural gas market, and can solve problems such as unreasonable distribution of income

Inactive Publication Date: 2017-02-22
国网浙江省电力公司电动汽车服务分公司 +1
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  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to address the deficiencies in the prior art, and provide a joint bidding method for power-to-gas units and gas-fired units in the electricity market and natural gas market, which solves the problem that the income cannot be reasonably distributed

Method used

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  • Combined biding method for power-to-gas unit and gas unit in power market and natural gas market
  • Combined biding method for power-to-gas unit and gas unit in power market and natural gas market
  • Combined biding method for power-to-gas unit and gas unit in power market and natural gas market

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Embodiment

[0156] Parameter setting: the maximum and minimum power of P2G equipment is 20MW and 2MW respectively, and the energy conversion efficiency is 50%; the maximum and minimum power of NGGU operation are 50MW and 5MW, and the energy conversion efficiency is 70%; the rated capacity of gas storage equipment The gas storage capacity is 50MWh, the minimum gas storage capacity is 5MWh, the maximum inflation and deflation power are both 5MW, and the initial gas storage capacity of the gas storage equipment is 25MWh. See Table 1 for the expected value of frequency-up and frequency-down service calls in actual operation.

[0157] Table 1 Expected value of frequency modulation service call ratio in actual system operation

[0158]

[0159]

[0160] It is assumed that the clearing prices of the electricity market and the natural gas market satisfy a normal distribution within a certain range. The average value of natural gas price is taken from the actual market data of the European ...

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Abstract

The invention relates to a combined biding method for a power-to-gas unit and a gas unit in a power market and a natural gas market. The method comprises the following steps: firstly, generating a scene set containing probabilistic information by adopting latin hypercube sampling, and cutting scenes by using a scene cutting algorithm; secondly, respectively constructing a P2G (pravate to government) equipment individual participation market biding model, an NGGU individual participation market biding model and a P2G equipment and NGGU cooperative bidding model by taking revenue maximization as a target according to the scene set obtained in the first step, and determining bidding strategies at various trading periods on the next day and incomes of all the models; thirdly, reasonably allocating the incomes of the P2G equipment and the NGGU by adopting a Shapely value method according to the bidding strategies at the various trading periods on the next day and the incomes of all the models obtained in the second step; fourthly, submitting a biding strategy to a power market according to the biding strategies at the various trading periods on the next day and an income allocating scheme obtained according to the first step, the second step and the third step.

Description

technical field [0001] The invention relates to the field of electric power market bidding, in particular to a joint bidding method for an electric-to-gas unit and a gas-fired unit in the electric power market and the natural gas market. Background technique [0002] The gradual depletion of fossil energy and climate deterioration have promoted the structural adjustment and transformation of the energy industry worldwide, and the development and utilization of renewable energy is recognized as the development direction of the future energy industry. Due to the obvious intermittence and fluctuation of renewable energy power generation output, this poses a challenge to the adjustment or acceptance capacity of the power system. For situations where the penetration rate of renewable energy power generation output is high but the regulation ability of the power system is not strong, curtailment of wind or light is sometimes unavoidable. With the gradual increase in the penetrati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
CPCG06Q50/06
Inventor 毛建伟李杨刘伟佳文福拴俞哲人李波李梁袁军吕浩华
Owner 国网浙江省电力公司电动汽车服务分公司
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