The reverse action of OLTC may emerge before or after the instability of load.
OLTC的负调压作用可能在负荷失稳之前发生，也可能在负荷失稳之后发生。
On-load tap changer (OLTC) is considered to be one of the important factors that results in voltage collapse.
有载调压变压器被认为是造成电压崩溃的重要因素之一。
Both regulating characteristics of on-load tap changer (OLTC) and load characteristics greatly impact power system voltage stability.
有载分接开关(OLTC)的调节特性和负荷特性对电力系统电压稳定性具有极大的影响。
By use of more precise exponential load model, the effect of on-load tap-changing transformer(OLTC)on optimal power flow(OPF)is analyzed.
采用指数负荷模型研究了有载调压变压器对系统最优潮流的影响。
The reason is analysed for oil leakage of on-load tap-changer. According to the on-site measuring result of this OLTC, some correspondent treatment methods are pointed out.
分析了有载分接开关渗漏油的原因，并根据对开关现场检查的结果，提出了相应的处理办法。
The reason is analysed for oil leakage of on-load tap-changer. According to the on-site measuring result of this OLTC, some correspondent treatment methods are pointed out.
分析了有载分接开关渗漏油的原因，并根据对开关现场检查的结果，提出了相应的处理办法。
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