Rectifier
Brief Introduction/Functions Rectifier is used to convert AC power to DC power and provide DC traction energy to train through traction catenary/rail to meet the traction requirements of urban rail vehicles. Product Parameters/Key Technologies Rated voltage: DC 750/1500/3000V Rated power: 750 - 8000kW Efficiency: ≥ 99% Power factor: ≥ 0.95 Load level: VIIndustry standard formulation unit Application Cases The rectifier has been applied to ground traction power supply projects for urban rail transit in more than 30 cities at home and abroad, with market share ranking first in the industry, and market application of over 3,100 sets. | |
Regenerative Braking Energy Feedback Evice
Brief Introduction/Functions The regenerative braking energy feedback device can convert the braking energy generated during train braking into AC electric energy, which is fed back to the AC power grid, realizing the recovery and reuse of braking energy for urban rail vehicles, and stabilizing DC network voltage. It also has auxiliary traction power supply and reactive power compensation functions. The device consists of a converter cabinet, a DC control cabinet, and a transformer. Product Parameters/Key Technologies Rated voltage: DC 750/1500/3000V Rated power: 1MW, 1.5MW, 2MW, 3MW Peak power: 200% of rated power (30s/120s) System efficiency: ≥ 98% Power factor: ≥0.99 National standard-drafting unit Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. It has been widely applied in batches in Guangzhou, Tianjin, Shenzhen, Beijing, Chongqing, Ningbo, Kunming and other cites, with market share in the forefront and application of over 310 sets. | |
Regenerative Braking Energy Storage Device
Brief Introduction/Functions The regenerative braking energy storage device can store the braking energy generated during train braking in the energy storage unit. When the train starts, the stored energy can be released to realize recovery and reuse of braking energy for urban rail vehicles. It has the functions of peak load shifting, energy conservation and consumption reduction, and stabilizing DC network voltage. The device consists of a DC control cabinet, a chopper cabinet, and an energy storage unit. Product Parameters/Key Technologies Rated voltage: DC 750/1500V Rated power: 1MW, 2MW Peak power: 2MW, 4MW Energy storage capacity: 8-24kWh (configurable) System efficiency (charging and discharging): ≥92% Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. It has been applied in Guangzhou Metro Line 6 and China Railway Taiyuan Group project. Energy storage devices are gradually being promoted as emerging energy-saving products. | |
Regenerative Braking Energy Absorption Equipment
Brief Introduction/Functions The regenerative braking energy absorption equipment can consume the braking energy generated during train braking through the ground braking resistor. It has the function of stabilizing DC network voltage;The equipment is composed of a disconnecting switchgear, a chopper cabinet, a braking resistor cabinet, and a reactor cabinet (10 and 12 circuits). Product Parameters/Key Technologies Rated voltage: DC 750/1500V Rated power: 600~3600kW Peak power: 2400~14400kW Number of chopper branches: 4, 6, 8, 10 and 12 Working system: Intermittent working system (30s/120s) Application Cases It has been applied in batches to traction power supply systems of Guangzhou Metro Line 6 and vehicle test lines etc. | |
Hybrid Regenerative Braking Energy Absorption Equipment
Brief Introduction/Functions The hybrid regenerative braking energy absorption equipment is composed of a low-voltage regenerative braking energy feedback device and a regenerative braking energy absorption device, which can feed the braking energy generated during train braking back to the low-voltage AC network or consume the energy through braking resistors. It has functions of stabilizing DC network voltage and energy feedback. Product Parameters/Key Technologies Rated voltage: DC 750/1500V Feedback peak power: 1.2MW, intermittent cycle working system (20s/120s) Absorption peak power: 4,800kW/7,200kW Power factor: > 0.99 Efficiency of energy feedback equipment: ≥ 97.5% Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. Apply to Chongqing rail transit power supply system in batches. | |
Bi-Directional Converter Type I
Brief Introduction/Functions The bi-directional converter type I designed with controllable power devices, is the core product of the new urban rail power supply system, which can realize traction power supply, energy feedback and other functions, and can replace the rectifier unit and energy feedback device in the traction power supply system. It also has functions such as intelligence, reactive power compensation, and stabilizing DC network voltage. The device is mainly composed of a bi-directional converter and a converter transformer. The bi-directional converter device, combined with the energy operation and control system, can realize the scheduling of energy flow in the DC traction network, reduce fluctuation of network voltage, significantly improve the energy-saving rate of the DC traction power supply system, and enhance the quality of power supply. Product Parameters/Key Technologies Rated voltage: DC 750/1500V Rated power: 1.5MW, 2MW, 2.5MW, 3MW Traction load level: VI Short-circuit withstand current: 27kA/120ms System efficiency: ≥ 98% Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. Application: Ningbo Metro Line 3, Ningbo Metro Line 4, Dalian Metro Line 2, Wuxi Metro Line S1 and other lines in batches. | |
Bi-Directional Converter Type II
Brief Introduction/Functions The bidirectional converter type II is an integrated device composed of a rectifier branch and a feedback branch, which has the functions of regenerative braking energy feedback, traction power supply, and reactive power compensation. This integrated converter can effectively reduce the occupied area of equipment and cut down construction cost. Product Parameters/Key Technologies Rated voltage: DC 750/1500V Rated power: Feedback 1MW, 1.5MW Rectifier 0.75kW-3MW Traction load level: VI Feedback peak power: 200% of rated power (30s/120s) System efficiency: ≥ 98% Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. Meet green and energy-saving requirements of new lines, effectively reduce occupied area of equipment and have broad market application prospects. | |
Multi-Modular Converter
Brief Introduction/Functions The multi-modular converter is composed of a diode rectifier and a high-frequency energy feedback converter. The high-frequency energy feedback converter can reduce the volume of power supply equipment. The multi-modular converter is suitable for renovation of existing line with great advantages in terms of space occupation and construction cost. Product Parameters/Key Technologies Rated voltage: DC 750/1500V Rated power: Feedback 1MW, 1.5MW Rectifier 0.75kW-3MW Traction load level: VIFeedback peak power: 200% of rated power (30s/120s)System efficiency: ≥ 98% Application Cases Comply with Carbon Peaking and Carbon Neutrality Goals in China. Meet green and energy-saving requirements of new lines, effectively reduce occupied area of equipment and have broad market application prospects. | |
Charging Converter
Brief Introduction/Functions The charging converter can output high-power DC electric energy for power supply systems of trams, trolley buses, and ARTs. It is mainly composed of rectifier circuit (integrated), chopper circuits, etc. Product Parameters/Key Technologies Output charging current: DC 0 - 2400A Output charging voltage: DC 0 - 950V System efficiency: ≥ 97% Voltage stabilizing precision: 1% Load: Super-capacitor or battery Application Cases Apply to charging systems in Ningbo, Zhuzhou, Yibin, Harbin, Wujiang, Xi'an, Wenshan, Huangpu, Huangshi, etc. in batches |