Analysis of Renewable Energy Accommodation Capability of Shanxi Power Grid Based on Operation Simulation Method

The integration of renewable energy resources (RERs) not only shows significant environmental effect, social effect and economic effect, but also brings many challenges to grid planning and economic operation of power grid. Based on systematic dynamics, from the perspective of changes of cost and benefit of grid enterprises caused by the integration of RERs, the effect of the integration of RERs on economical operation of power grid is studied. Finally, a simulation of effect trend based on empirical data of one province demonstrates the validity of the model proposed in this paper.

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Study on Renewable Energy Accommodation Capacity Assessment Method Based on Time Series Production Simulation

Journal of Physics Conference Series ◽

10.1088/1742-6596/2076/1/012022 ◽

2021 ◽

Vol 2076 (1) ◽

pp. 012022

Author(s):

Yinsheng Su ◽

Qian Ma ◽

Qiang Zhang ◽

Quan Yuan ◽

Xinlei Huang

Keyword(s):

Time Series ◽

Renewable Energy ◽

Power Transmission ◽

Power Grid ◽

Assessment Method ◽

Energy Output ◽

Series Production ◽

Regional Power ◽

Energy Accommodation ◽

Unit Output

Abstract In order to solve the problem of low accommodation rate of renewable energy in a single region, considering the output characteristics of wind power and photovoltaic, grid constraints and cross regional power exchange, an optimization model of renewable energy accommodation capacity in a cross regional power grid year is established. This paper analyzes the factors restricting the accommodation capacity of renewable energy, and determines the access scale of renewable energy units according to the characteristics of different power grid scale, load and power supply structure. And then taking the annual maximum accommodation capacity of renewable energy as the goal, the time series production simulation model is established, considering the constraints such as regional load balancing, power transmission and output of the network cable, unit output, unit optimization power ramp rate and renewable energy output. To improve the renewable energy accommodation capacity, the three factors of power system interconnection level, power regulation performance and load characteristics can be considered.

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The Measures Contribution Researches on Renewable Energy Accommodation Based on Production Simulation

E3S Web of Conferences ◽

10.1051/e3sconf/20183801022 ◽

2018 ◽

Vol 38 ◽

pp. 01022

Author(s):

Zhe Mi ◽

Jinfang Zhang ◽

Jun Liu

Keyword(s):

Renewable Energy ◽

Simulation Method ◽

Northern Region ◽

Contribution Rate ◽

Energy Accommodation ◽

Shapely Value

This paper presents the impacts of load, source and grid factors on renewable energy accommodation in the northern region of China. Renewable energy curtailment reasons and key measures to improve accommodations are also discussed. The production simulation method is utilized to analysis renewable energy accommodation and the Shapely value method is introduced to calculate the accommodation contribution rate of different factors. The result shows that the amount of renewable energy accommodation is 389 TWh in northern region of China by the year 2020. The contribution rate of load, source and grid factors to renewable energy accommodation are 39%, 35.8% and 25.1%, respectively.

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