高温超导可控电抗器研究进展

电抗器是重要的无功补偿装置,在电力系统中得到了广泛的应用。可控电抗器可根据运行工况调节输出容量,以稳定系统电压,控制补偿无功功率,提高系统稳定性。将超导技术应用于可控电抗器,利用其零电阻、高通流密度特性,可减小电抗器体积,降低损耗,提高可控电抗器利用效率。目前,高漏抗式高温超导可控电抗器和正交耦合型高温超导可控电抗器已先后研发成功,本文对两类高温超导可控电抗器的样机研制、电抗特性、关键技术问题进行了归纳与总结,对其性能特点进行了分析。

Research progress of high temperature superconducting controllable reactor

Reactor is an important reactive power compensation device, which has been widely used in the power system.Controlled reactor can adjust the output capacity to stabilize the system voltage,control the reactive power compensation and improve system stability according to the operating conditions.Appling superconducting technolo-gy to the controllable reactor,the reactor's volume and losses can be reduced,and the efficiency can be improved by using the zero resistance and high current density of superconductor.At present,the high leakage flux-controlled HTS controllable reactor and the orthogonal flux coupled type one have been successfully developed.In this paper, prototype development,performance characteristics,key technologies of two kinds of HTS controllable reactors are analyzed and summarized.