马尔当站电压改善无功功率需求计算

Salman Khan, Arsalan Masood, Sohail Khan, Arqum Shahid
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引用次数: 0

摘要

电站需要稳定的电压分布来保证电力系统的安全运行。万一发生意外,电压分布会迅速恶化,其改善是至关重要的。因此,应精确计算改善电压分布所需的无功功率调整。本文以巴基斯坦220千伏马尔丹变电站为例,对该变电站的无功需求进行了估算。该研究证明了维持电压所需的无功功率调整符合国家电力监管机构的既定标准。给出了正常操作条件和应急情况下的估计计算。本文提出了通过扩充网格来解决网络违规问题,并给出了扩充网格后现有系统与预期系统的计算比较。
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Calculation of reactive power requirement for voltage improvement at Mardan station
Power stations require a stable voltage profile to operate the power system securely. In case of any contingency voltage profile can worsen quickly and its improvement is of paramount importance. Therefore, precise calculations of reactive power adjustments required to improve voltage profile should be done. In this paper, an actual case study of 220 kV Mardan substation in Pakistan is considered, where estimations of reactive power requirement are presented. The study demonstrates the required reactive power adjustment to maintain voltages following established standards from the country’s electric power regulatory authority. The estimated calculations are presented for both normal operating conditions and contingency situations. This paper suggests grid augmentation to resolve network violations issues and presents a calculation comparison of the existing system with the anticipated system after grid augmentation.
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