种电气化铁路电能质量治理系统及方法

• Format: Patent
• Language: Chinese
• Published: 30.06.2017
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

本发明公开了种电气化铁路电能质量治理系统及方法，该系统包括带滤波绕组的牵引变压器、感应滤波电路、MMC补偿系统、MMC控制器、电压和电流测量装置，牵引变压器高压侧与电网相连，牵引侧与电力机车牵引臂相连，为电力机车提供电力，低压补偿侧与感应滤波电路和MMC补偿系统连接。MMC补偿系统由两个单相的MMC牵引臂组连接而成，两个MMC牵引臂组的直流侧通过串联电容器连接到起，并从串联电容器几何中点的引出MMC补偿系统的接地点。该方法通过MMC技术和感应滤波技术对谐波进行动态跟踪和抑制，对两个牵引侧的负载进行有功平衡和无功调整，从而达到治理电气化铁路牵引变压器高压侧谐波、无功和负序目的。