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。
The proposals for measurement of OLTC recovery voltage in transformer test and operation are made.
建议变压器例行试验和运行变压器应增加有载分接开关偏移电压测量项目。
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。
The OLTC recovery voltage is measured after reparation. The results show that the recovery voltage is 60% higher than the standard value.
通过对修复后的变压器有载开关偏移电压的测量 ，发现有载开关偏移电压比标准值高了 6 0 %。
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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