|High voltage unit||Rated voltage||kV||3||6||10||35|
|Maximum working voltage||kV||3. 6||7. 2||12||40.5|
|Power frequency withstand voltage|
to earth/interphase isolating distance
|kV||25/ 27||30/ 34||42/ 48||95/ 118|
|Lightning impulse withstand voltage|
to earth/ interphase isolating distance
|kV||40/ 46||60/ 70||75/ 85||185/ 215|
|Rated short-time withstand current||kA/ 2s|
|12. 5 ,16,20,25,31. 5|
|Rated peak withstand current||kA||31. 5 ,40,50,63,80|
|Rated current of main circuit||A||<=3200|
|Rated short-time withstand current||kA/ 1s||15,30,50|
|Rated peak withstand current||kA||30,63,105|
|Rated current of branch circuit||A||<=1600|
|Reactive power compensation capacity||kvar||<=600|
|Transformer unit||Rated capacity||kVA||<=2000|
|Impedance voltage||%||4,4. 5 ,6|
|Tap ranges||±2X2. 5%,±5%|
|Connections||Y/ Yn0 ,D/ Yn11|
Generally, transformer capacity below 315kVA is measured by low voltage, while capacity above 315kVA is measured by high voltage.
The outer box can be configured according to user requirements.
Q: Are you the manufacturer or trader?
A: We are both manufacturer & trader. We have our own manufacturer named TIANYI TONGYI ELECTRIC CO.,LTD, who have 27 years experience in electric industry. It covers an totally area of 117,000 m2 with 300 employees, also is a qualified supplier of China National Nuclear Corporation(CNNC) and main supplier for State Grid & China Southern Power Grid.
Q: What is your after-sales service?
A: We always provide free online service and technical support within 24 hours. 18 months warranty for customers.
Q: What is your delivery time?
A: Normally 25~35days. It depends on the order quantity and season. We have very strong capacity to produce top quality products, please inquiry us if you have any questions.
Q: What is the quality warranty time?
A: We have quality certificate CCC, CQC, ISO9001, CE ... Meanwhile, we can provide 18 months warranty for our products. Free online service and technical support within 24 hours is always provided to our customers.
Q: Do you accept ODM and OEM?
A: Yes. We have professional R & D teams to update and develop the latest technology. We also can support ODM or OEM, please send us details drawing to discuss.
Q: What is your payment terms?
A: Generally there are two payment terms:
- 30% advance payment via T/T as a deposit, balance 70% against the shipping documents
- Irrevocable L/C at sight
Q: If I want to visit you, how to go?
A: Our factory is located in Luoyuan County, Fuzhou City. Details address is Songshan Area, Taiwan Investment Zone, Luoyuan County, Fuzhou City, Fujian Province,China.
- The nearest airport is Fuzhou Airport, if you come by air, please arrive in Fuzhou Airport, it takes 1 hour from the airport to our factory
- The nearest train station is Luoyuan Station, if you come by train, please arrive in Luoyuan Station, it takes only 5 minutes to our factory.
Q: Do you need agents?
A: Yes, we welcome you to be a partner. Welcome to contact us for more information.