CAJ | 학술논문

基于湖南电网2015年规划数据，应用电力系统分析综合程序（power system analysis software package，PSASP）分析了±800kV滔泉特高压直流入湘对湖南电网暂态电压稳定性的影响。分析结果表明：±800kV酒泉直流入湘后湖南电网机组的开机数量和电容器组投切量均将相应减少，但湘东500kV环网的无功损耗将增加，同时扰动后酒泉直流还将从湘东500kV环网吸入大量无功，最终减弱了扰动后湖南电网电压的恢复能力，降低了湖南电网的暂态电压稳定水平。分析结果可为其他电网研究特高压直流对受端电网的影响提供参考。
기우호남전망2015년규화수거，응용전력계통분석종합정서（power system analysis software package，PSASP）분석료±800kV도천특고압직류입상대호남전망잠태전압은정성적영향。분석결과표명：±800kV주천직류입상후호남전망궤조적개궤수량화전용기조투절량균장상응감소，단상동500kV배망적무공손모장증가，동시우동후주천직류환장종상동500kV배망흡입대량무공，최종감약료우동후호남전망전압적회복능력，강저료호남전망적잠태전압은정수평。분석결과가위기타전망연구특고압직류대수단전망적영향제공삼고。
According to the planned data of Hunan power grid for the year of 2015, the influence of transmitting power via ±800 kV HVDC transmission line from Jiuquan to Hunan power grid on transient voltage stability of Hunan power grid is simulated by power system analysis software package （PSASP） Simulation results show that under the power transmission from Jiuquan to Hunan via ±800 kV HVDC transmission line the number of being operated generating units in Hunan power grid as well as the capacity of switched over capacitor banks are reduced correspondingly, however the reactive power loss of 500 kV electromagnetic looped network in East Hunan will increase, and after the disturbance the ±800 kV HVDC system will absorb large amount of reactive power from 500 kV electromagnetic looped network in East Hunan, thus the ability of voltage recovery of Hunan power grid after the disturbance will be weakened and the transient voltage stability level of Hunan power grid will be decreased.