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首页> 外文会议>2014 IEEE Innovative Smart Grid Technologies - Asia >Voltage regulation in a smart distribution system incorporating variable renewable generation
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Voltage regulation in a smart distribution system incorporating variable renewable generation

机译：结合可变可再生能源发电的智能配电系统中的电压调节

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摘要

Intermittency of variable renewable generation (VRG) requires time sequence analysis, over a defined interval, to adequately capture VRG characteristics. As the penetration level rises, connected VRGs inject as much energy as the existing resource permits. It is therefore, essential to develop a technique that maintains system voltage profile, and facilitates the smoother integration of VRGs into the grid. This paper describes an approach to coordinate the use of load tap changing (LTC) transformers and switched capacitors (SCs) to improve the system-wide voltage profile due to the penetration of VRGs. Unlike other approaches that tend to optimize the size and location of VRGs, to enhance the grid performance, the proposed approach contends with the status quo of the system, with the added VRGs of different sizes and locations, and administers LTCs and SCs to regulate the system voltage. The IEEE 123 test feeder is considered as the test system in this paper. The effectiveness of the proposed method is validated under various test cases through a time sequence analysis over 24-hourly simulation period. The corresponding voltage profile is analyzed under various penetration levels of solar PV.
机译：可变可再生发电（VRG）的间歇性需要在定义的时间间隔内进行时序分析，以充分捕获VRG特性。随着渗透率的提高，连接的VRG会在现有资源允许的范围内注入尽可能多的能量。因此，至关重要的是，开发一种能够维持系统电压曲线并促进VRG顺利集成到电网中的技术。本文介绍了一种协调使用负载抽头变换（LTC）变压器和开关电容器（SC）的方法，以改善由于VRG的渗透而导致的整个系统电压曲线的方法。与其他趋向于优化VRG的大小和位置，增强网格性能的方法不同，该提议的方法与系统的现状相抗衡，增加了不同大小和位置的VRG，并管理LTC和SC来管理电网。系统电压。本文将IEEE 123测试馈送器视为测试系统。通过在24小时仿真期内进行时序分析，在各种测试案例下验证了该方法的有效性。在太阳能PV的各种渗透水平下分析相应的电压曲线。

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