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电网技术  2011 

基于PSASP的分时段无功考核方法的仿真分析与应用研究

, PP. 121-126

Keywords: 功率因数考核,分时段,无功补偿,网损,电力系统综合分析程序

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Abstract:

目前国内无功考核采用月平均功率因数考核方法,其存在的问题主要有考核方法不科学,考核标准偏低,考核值单一和无功费用分摊不合理。针对这些问题,文献1提出了分时段无功考核新方法,以用户月平均功率因数作为考核对象,分别考核用户在峰时段、平时段和谷时段的平均功率因数,且考核标准也相应的有所不同。本文首先建立仿真网络,然后计算网络在原考核标准和新的考核标准下的潮流分布,结果表明新方法可以提高电压质量,降低电网功率损耗,并且当用户功率因数越差,考核标准越高,影响就越明显。最后根据现有用户无功补偿情况提出了新考核方法应用的硬件改造和投资方案。

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