The invention relates to an electrified railway braking energy recovery control distribution system and method, and the method comprises the steps: S1, collecting the electrical quantities of a left power supply arm and a right power supply arm of a traction substation, calculating the instantaneous active power of the left arm and the instantaneous active power of the right arm of the traction substation based on the electrical quantities, and calculating the power of the traction substation; s2, judging the working mode of the system according to the power product of the power of the substation when the power product is P1 * P2lt; when 0, the braking energy recovery control distribution system enters a power regulator regulation mode; when the power product P1 * P2 is larger than or equal to 0, the power of the first traction substation and the power of the second traction substation are independently compared with charging and discharging threshold values Pthr of energy storage systems of the first traction substation and the second traction substation, and when the power product Pthr is larger than the threshold values, the braking energy recovery control distribution system enters the charging and discharging modes of the energy storage systems; through the application, the technical problem of low utilization rate of regenerative braking energy is solved, on-demand transfer, storage and release of the regenerative braking energy are effectively coordinated and controlled, and efficient utilization of the regenerative braking energy of the traction substation is realized.
本申请涉及一种电气化铁路制动能量回收控制分配系统及方法,其中,该方法包括:S1:采集所在牵引变电所左、右供电臂电气量,基于电气量计算得到牵引变电所左臂瞬时有功功率、右臂瞬时有功功率,并计算获得所在牵引变电所功率;S2:根据变电所功率的功率积判断系统工作模式,当功率积P1*P2<0时,制动能量回收控制分配系统进入功率调节器调节模式;当功率积P1*P2≥0,单独比较第一、第二牵引变电所功率与各自储能系统充放电阈值P_thr,当大于阈值时,制动能量回收控制分配系统进入储能系统充电、放电模式;通过本申请,解决了再生制动能量利用率低的技术问题,实现了有效协调控制再生制动能量按需转移、存储和释放,实现牵引变电所再生制动能量的高效利用。
Electrified railway braking energy recovery control distribution system and method
一种电气化铁路制动能量回收控制分配系统与方法
2024-03-29
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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