ZHONGHE offers a comprehensive range of products and solutions for DC traction substations
To power trains, metros, trams and mines, it is necessary to use the traction rectifier converts AC into DC, Whether transformer-rectifiers group, DC Switchgear or complete traction power stations, we can provide the most reliable, flexible and cost-effective solution.R
Key benefits
• Highest level of safety with internal arc resistance
• Broad portfolio readily configured to meet customer needs
• Modular and flexible design
• Keep all the advantages of established DC switchgear technology
Key features
• Full conformity with IEC and EN standards
• High active and passive safety through freestanding rigid metal enclosed cubicles with separate screened compartments
• High availability and low maintenance
• Indoor installation
| Rated working voltage | DC750V/1500V/3000V | |
| Rated Insulation Voltage | 900V/1800V | |
| Rated current of main bus | 1250A | |
| Rated insulation level of main circuit and sensor | Power frequency withstand voltage | primary circuit Frame:6.9kV,50Hz,1min |
| secondary circuit Frame: 2.0kV,50Hz,1min | ||
| Rated short circuit current | 60kA/τ= 10ms | |
| Auxiliary circuit rated voltage | Protective circuit:DC220V | |
| Signal circuit:DC24V | ||
| Control circuit: DC220V/24V | ||
| Classification of degrees | IP4X | |
Q: Are you the factory or trading company?
A: We are factory with more than 20 years in the field of DC power supply solution, traction power supply and new energies. We warmly welcome you for the visit.
Q: How is the delivery time?
A: Generally, the delivery time between 7-30 days after getting client's payment.
For accurate info depends on the products and the quantity, we can make further communication on this.
Q: Do you have MOQ requirements?
A: MOQ is 1 set for most of the products, only MOQ for 7KW, 11KW, 22KW ev charger is 10 sets.
A: How long is your warranty time?
Q: We provide 2 years warranty for our clients.
Q: Can you provide customized service?
A: Yes. we have been getting involved with the OEM and ODM projects since 2004.
So that we can provide professional customized service for our clients.
Q: Do you have after sales service?
A: Yes, we have the after-sales service team.
Our after-sales engineer Can give the support and instruction by video or phone call while needed.
Q: Do you make the test after finishing production?
A: Yes, our production engineer team will do the test while goods finished, and we will prvoide the test info to clients for reference before delivery.
