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含柔性多状态开关的主动配电网有功-无功协调动态优化
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作者单位:

1.广东电网有限责任公司佛山供电局;2.广州市奔流电力科技有限公司

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广东电网有限责任公司科技项目资助(GDKJXM20180049)


Active and Reactive Power Coordinated Dynamic Optimization for Active Distribution Network with Flexible Distribution Switch
Author:
Affiliation:

1.Guangdong Power Grid Company Foshan Power Supply Bureau;2.Guangzhou Power Electrical Technology Co,Ltd

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    摘要:

    多端柔性多状态开关(FDS)作为可实现功率实时调控的装置,有利于实现主动配电网的运行优化。基于FDS接入配电网的拓扑和运行数学模型,建立含FDS支路的配电网有功无功协调动态优化运行模型:构建多时间尺度有功无功调度架构,以最优网损和电压均衡目标函数,并考虑计及系统安全和断面动作限制的运行约束条件。为提高多断面潮流模型的求解效率和松弛精度,提出针对二阶锥规划和非线性规划的模型求解优化方法,并利用SCIP等算法包获取测试结果。最后,依托实际工程数据,在含三端FDS主动配电网系统中展开仿真测试,结果呈现了FDS接入对主动配电网电能质量改善、运行策略优化和潮流智能分配的积极影响,并验证了所述方法的寻优稳定性和计算高效性。

    Abstract:

    The multi-terminal flexible distribution switch (FDS) is used as a device for dynamic power regulation, which is beneficial to the operation optimization of the active distribution network (ADN). Based on the topology of distribution network with FDS access and the mathematical model of three-terminal FDS, a dynamic optimization model for active and reactive power coordination of distribution network with FDS is established: constructing a multi-time scale active and reactive scheduling architecture to optimize the objective function of network loss and voltage, and consider the operating constraints that take system security and cross-section action constraints into account. In order to improve the solution efficiency and relaxation precision of multi-section tidal model, an optimization method for second-order cone programming and nonlinear programming is proposed, and the test results are obtained by using SCIP and other algorithm packages. Finally, based on the actual engineering data, the simulation test is carried out in the distribution network system with three-terminal FDS. The results showed the positive effects of FDS on power quality improvement, operation strategy optimization and intelligent distribution of power flow in ADN, and verified the stability and computational efficiency of the proposed method.

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引用本文

彭元泉,麦志远,艾维,等.含柔性多状态开关的主动配电网有功-无功协调动态优化[J/OL].电力系统自动化,http://doi.org/10.7500/AEPS20190807002.
PENG Yuanquan,MAI Zhiyuan,AI Wei,et al.Active and Reactive Power Coordinated Dynamic Optimization for Active Distribution Network with Flexible Distribution Switch[J/OL].Automation of Electric Power Systems,http://doi.org/10.7500/AEPS20190807002.

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历史
  • 收稿日期:2019-08-07
  • 最后修改日期:2020-05-08
  • 录用日期:2019-12-06
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