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首页> 外文会议>2014 IEEE Innovative Smart Grid Technologies - Asia >A systematic study of system-wide automatic coordinated voltage control for TNB system
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A systematic study of system-wide automatic coordinated voltage control for TNB system

机译：TNB系统全系统自动协调电压控制的系统研究

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摘要

The voltage and reactive power (VAR) management in the power system operation has becoming more challenging than ever. This is mainly due to long distance of power generations to the load centers and mesh interconnection of power grids. Coordinated Voltage Control (CVC) is found to be the most effective solutions for voltage and VAR control. This can be achieved by coordinating reactive power resources at transmission system to achieve a better voltage profiles and to minimize active power losses. This paper presents a systematic study of a hierarchical structure of system-wide automatic Coordinated Voltage Control for TNB system. Through a collaboration between TNB Research and Tsinghua University, a comprehensive simulation study of CVC system based on the approach developed by Tsinghua University has been carried out. The simulations are based on the recursive power flow solutions of the real-time snapshots which are obtained from TNB Energy Management System (EMS). The simulation results on Adaptive Zone Division (AZD), Tertiary Voltage Control (TVC) and Secondary Voltage Control (SVC) are presented in this paper. Furthermore, voltage profiles, system losses and VAR reserves before and after CVC are being analyzed. The results are encouraging. Therefore, the implementation of an automatic CVC system in TNB power grid is being realized.
机译：电力系统运行中的电压和无功功率（VAR）管理比以往任何时候都更具挑战性。这主要是由于到负载中心的发电距离较长以及电网的网格互连。已发现协调电压控制（CVC）是电压和VAR控制的最有效解决方案。这可以通过在传输系统上协调无功功率资源来实现，以实现更好的电压分布并使有功功率损耗最小化。本文对TNB系统的全系统自动协调电压控制的分层结构进行了系统的研究。通过TNB Research与清华大学的合作，基于清华大学开发的方法对CVC系统进行了全面的仿真研究。该模拟基于从TNB能源管理系统（EMS）获得的实时快照的递归潮流解决方案。本文给出了自适应区域划分（AZD），三次电压控制（TVC）和二次电压控制（SVC）的仿真结果。此外，还分析了CVC之前和之后的电压曲线，系统损耗和VAR储备。结果令人鼓舞。因此，正在实现在TNB电网中实现自动CVC系统。

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