High-speed railway traction power supply device
A photovoltaic power supply, traction power supply technology, applied in the direction of circuit devices, photovoltaic power generation, power lines, etc., can solve the problems of less research on energy storage and photovoltaic systems, and the difficulty of achieving dynamic balance, so as to achieve safe use, improve utilization, and realize The effect of homeostasis
Inactive Publication Date: 2021-06-04
HUNAN VOCATIONAL COLLEGE OF RAILWAY TECH
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Problems solved by technology
After photovoltaic power generation is connected to the traction power supply system, due to the strong volatility and randomness of photovoltaic power generation, coupled with the intermittent and fluctuation of train load in the traction power supply system, it is difficult to achieve dynamic balance between power generation and load
At present, there are few studies on the direct connection of energy storage and photovoltaic systems to traction power supply systems
Method used
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[0011] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0012] refer to figure 1 , a high-speed railway traction power supply device containing a photovoltaic power supply, including a traction power supply system, a converter 1, a photovoltaic power supply 2 and a battery energy storage device 3, the traction power supply system includes a traction substation 4, a feeder 5, a contact Network 6, electric locomotive 7, track 8, return line 9, partition kiosk 10, switching station 11, the converter 1, photovoltaic power source 2 and battery energy storage device 3 are connected in sequence. A converter 1 is provided between the traction substations 4, and the traction substations 4 and the converters 1 are connected through a feeder 5, and a partition booth is also provided between the traction substations 4 10. A catenary 6 is provided between the traction substat...
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The present invention discloses a high-speed railway traction power supply device. The device comprises a traction power supply system, a converter, the photovoltaic power source and a storage battery energy storage device, and the traction power supply system comprises a traction substation, a feeder line, a contact net, an electric locomotive, a track, a return line, a partition pavilion and a switching station. The current transformer, the photovoltaic power supply and the storage battery energy storage device are sequentially connected, the current transformer is arranged between the traction substations, the traction substations and the current transformer are connected through feeder lines, a partition pavilion is further arranged between the traction substations, and a contact net is arranged between the traction substations and the partition pavilion. The traction substation is connected with the switching station, an electric locomotive is arranged on the track, and the track is connected with the traction substation through a return line. The device can improve the utilization rate of regenerative braking energy, realizes dynamic balance between power generation and load, has the characteristics of environmental protection, energy conservation and safety in use, and is suitable for popularization and application.
Description
technical field [0001] The invention belongs to the technical field of railway power supply devices, and relates to a high-speed railway traction power supply device containing a photovoltaic power supply. Background technique [0002] Under the background of Energy Internet, the nearby consumption of renewable energy by electrified railway will be the development direction of traction power supply system in the future. According to relevant statistics, 60% of the energy consumption in the railway network is used for railway traction and power supply. Therefore, it has good prospects and economics to carry out research work on energy conservation, emission reduction and sustainable development in the railway field. With the maturity of photovoltaic power generation technology and power electronics technology, it is possible to connect photovoltaic system to traction power supply system. The photovoltaic power generation system connected to the traction power supply system c...
Claims
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IPC IPC(8): H02J3/00H02J3/38H02J3/32B60M3/00
CPCH02J3/00H02J3/381H02J3/32B60M3/00H02J2300/24Y02E70/30Y02E10/56
Inventor 褚衍廷陈忠林陈清化杨旭清余雨婷周湘杰韩雪欧阳华张范凌慧萱邓松源
Owner HUNAN VOCATIONAL COLLEGE OF RAILWAY TECH