According to the special environment conditions and characteristics of high altitude in Northwest China, the study on key technologies of 750-kV transmission and substation projects has gained fruitful results which a...According to the special environment conditions and characteristics of high altitude in Northwest China, the study on key technologies of 750-kV transmission and substation projects has gained fruitful results which are imperative not only to the construction of 750-kV transmission demonstrative project first in China, but also has laid a solid foundation for future UHV transmission constructions.展开更多
为保证国家电网公司750kV示范工程1500MVA满负荷试验顺利进行,利用BPA程序计算750kV示范工程1500MVA试验方式下的系统稳定性;提出在公伯峡电厂1~5号发电机励磁系统配置电力系统稳定器(power system stabilizer,PSS)改进系统阻尼;分析...为保证国家电网公司750kV示范工程1500MVA满负荷试验顺利进行,利用BPA程序计算750kV示范工程1500MVA试验方式下的系统稳定性;提出在公伯峡电厂1~5号发电机励磁系统配置电力系统稳定器(power system stabilizer,PSS)改进系统阻尼;分析发电机自并励系统对系统稳定影响的原理以及公伯峡电厂1~5号发电机PSS参数整定试验结果,并用BPA程序重新对公伯峡电厂发电机配置PSS参数后的试验系统进行了稳定计算分析,结果表明试验系统静态稳定极限大于1800MW,为1500MVA满负荷试验提供了技术保证;最后给出了750kV示范工程1500MVA满负荷试验分析结论。展开更多
文摘According to the special environment conditions and characteristics of high altitude in Northwest China, the study on key technologies of 750-kV transmission and substation projects has gained fruitful results which are imperative not only to the construction of 750-kV transmission demonstrative project first in China, but also has laid a solid foundation for future UHV transmission constructions.
文摘为保证国家电网公司750kV示范工程1500MVA满负荷试验顺利进行,利用BPA程序计算750kV示范工程1500MVA试验方式下的系统稳定性;提出在公伯峡电厂1~5号发电机励磁系统配置电力系统稳定器(power system stabilizer,PSS)改进系统阻尼;分析发电机自并励系统对系统稳定影响的原理以及公伯峡电厂1~5号发电机PSS参数整定试验结果,并用BPA程序重新对公伯峡电厂发电机配置PSS参数后的试验系统进行了稳定计算分析,结果表明试验系统静态稳定极限大于1800MW,为1500MVA满负荷试验提供了技术保证;最后给出了750kV示范工程1500MVA满负荷试验分析结论。