The invention discloses a traction and voltage reduction hybrid substation which comprises a bidirectional converter device, an energy storage DC/DC converter, an energy storage device, a photovoltaic DC/DC converter, a photovoltaic power generation device, an electronic voltage reduction substation DC/3AC inverter and an in-station DC power utilization DC/DC converter. Unified management and scheduling of multiple paths of energy are achieved through the direct-current bus in the substation, new energy can be fully consumed, regenerative braking energy is efficiently utilized in the mode that energy storage and energy feedback are combined, a large number of existing electromagnetic transformers can be omitted, and the occupied area of the system and the later operation and maintenance cost of related equipment are reduced. The designed direct current bus energy management method can ensure reasonable distribution and flow of input energy and output energy, and ensures safe and stable operation of the whole system.
本发明公开了一种牵引降压混合变电所,包括双向变流器装置、储能DC/DC变流器、储能装置、光伏DC/DC变流器、光伏发电装置、电子式降压所DC/3AC逆变器和站内直流用电DC/DC变流器,该新型牵引降压混合变电所将牵引变电所与降压变电所融为一体,利用所内直流母线实现多路能源统一管理与调度,既能充分消纳新能源,利用能储与能馈结合的方式高效利用再生制动能量,又能取消大量既有电磁式变压器,减小系统占地面积以及相关设备后期运营和维护费用。设计的直流母线能量管理方法能够确保输入能量与输出能量的合理分配与流动,确保整个系统安全稳定运行。
Traction and voltage reduction hybrid substation and energy management method thereof
一种牵引降压混合变电所及其能量管理方法
2022-12-02
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
Study of novel traction substation hybrid power quality compensator
Tema Archive | 2002
|European Patent Office | 2022
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