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首页> 外文会议>Annual Conference of the IEEE Industrial Electronics Society >Construction of Bulk Power Grid Security Defense System under the Background of AC/DC Hybrid EHV Transmission System and New Energy
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Construction of Bulk Power Grid Security Defense System under the Background of AC/DC Hybrid EHV Transmission System and New Energy

机译：AC / DC混合动力EHV传输系统背景下散装电网安全防御系统的构建及新能源

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摘要

With the rapid development of bulk power grid under extra-high voltage (EHV) AC/DC hybrid power system and extensive access of distributed energy resources (DER), operation characteristics of power grid have become increasingly complicated. To cope with new severe challenges faced by safe operation of interconnected bulk power grids, an in-depth analysis of bulk power grid security defense system under the background of EHV and new energy resources was implemented from aspects of management and technology in this paper. Supported by big data and cloud computing, bulk power grid security defense system was divided into two parts: one is the prevention and control of operation risks. Power grid risks are eliminated and influence of random faults is reduced through measures such as network planning, power-cut scheme, risk pre-warning, equipment status monitoring, voltage control, frequency control and adjustment of operating mode. The other is the fault recovery control.. By updating "three defense lines", intelligent relay protection is used to deal with the challenges brought by EHV AC/DC hybrid grid and new energy resources. And then security defense system featured by passive defense is promoted to active type power grid security defense system.
机译：随着散装电网在超高电压（EHV）AC / DC混合动力系统下的快速发展和分布式能源（DER）的广泛访问，电网的操作特性变得越来越复杂。为了应对相互连接的散装电网的安全操作面临的新严峻挑战，在本文管理和技术方面实施了在EHV和新能源背景下的散装电网安全防御系统的深入分析。由大数据和云计算支持，散装电网安全防御系统分为两部分：一个是预防和控制运营风险。消除电网风险，通过网络规划，电源剪切方案，风险预警，设备状态监测，电压控制，频率控制等措施减少了随机故障的影响降低了随机故障的影响。另一个是故障恢复控制。通过更新“三条防御线”，智能中继保护用于处理EHV AC / DC混合网格和新能源所带来的挑战。然后，被动防御功能的安全防御系统被推广到有源型电网安全防御系统。

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