The invention provides an in-phase traction power supply and remote power generation grid-connected system and a control method, and relates to the technical field of traction power supply. The secondary side of a traction transformer is connected with a traction bus, and a voltage transformer PT1 is arranged on the traction bus; a current transformer CT1 is arranged on a feeder line, the head endof the feeder line is connected with the traction bus, and the tail end of the feeder line is connected with an overhead line system; the tail end of a power supply line is connected with the traction bus, and the head end of the power supply line is connected with a power generation bus; the measuring end of a voltage transformer PT1 and the measuring end of a current transformer CT1 are both connected with the input end of a coordination controller, and the output end of the coordination controller is connected with the control end of a new energy power generation device through an opticalfiber pair; the alternating current output end of the new energy power generation device is connected with the power generation bus. High-power new energy allopatric power generation control, utilization and consumption can be achieved, peak clipping can be conducted on traction loads, negative sequence and other related power quality problems are avoided, and extra economic income can be brought.
本发明提供一种同相牵引供电与异地发电并网系统及控制方法,涉及牵引供电技术领域。牵引变压器次边与牵引母线连接,牵引母线上设置有电压互感器PT1;馈线上设置有电流互感器CT1,馈线的首端与牵引母线连接,馈线的尾端连接接触网;供电线的尾端与牵引母线连接,供电线的首端与发电母线连接;电压互感器PT1的测量端和电流互感器CT1的测量端均与协调控制器输入端连接,协调控制器输出端经光纤对与新能源发电装置的控制端连接;新能源发电装置的交流输出端与发电母线连接。能实现大功率新能源异地发电控制、利用和消纳,并可以对牵引负荷进行削峰,避免负序等相关电能质量问题,还可带来额外的经济收入。
In-phase traction power supply and remote power generation grid-connected system and control method
一种同相牵引供电与异地发电并网系统及控制方法
2021-02-09
Patent
Electronic Resource
Chinese
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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