Introduction to Dry-type Transformer
A dry-type transformer is a sophisticated power transformer that utilizes air or other non-liquid insulating mediums in place of oil for insulation.
Basic Components:
Typically comprising a core made of laminated electrical steel, windings crafted from copper or aluminum conductors, and a robust enclosure for enhanced protection and insulation.
Working Principle:
Functioning on the principle of electromagnetic induction, the primary winding, connected to the input voltage, generates a magnetic field in the core. This magnetic field, in turn, induces a voltage in the secondary winding, facilitating efficient voltage transformation.
Advantages:
- Fire Safety: The absence of oil significantly reduces fire risks, making it ideal for applications prioritizing fire safety such as buildings and public facilities.
- Low Maintenance: These transformers demand less maintenance compared to their oil-immersed counterparts as there is no need to monitor and maintain insulating oil.
- Environmental Friendliness: Without the risk of oil leakage, these transformers are a more environmentally friendly option.
Applications:
Perfect for indoor environments, dry-type transformers are extensively used in commercial buildings, data centers, and industrial facilities where space constraints and the need for a clean, fire-safe power transformation solution are paramount.
For example, they are commonly employed in high-rise office buildings for reliable power distribution and in hospitals to ensure a continuous and safe power supply.
Rated |
High voltage(kV) |
Tap range |
Low voltage(kV) |
connected group label |
No-load |
Load loss |
No-load current(%) |
capacity(kVA) |
loss(w) |
(130ºC)(W) |
30 |
6 |
±2*2.5 |
0.4 |
Dyn11 |
105 |
605 |
4 |
50 |
6.3 |
±5 |
155 |
845 |
80 |
6.6 |
|
210 |
1160 |
100 |
10 |
|
230 |
1330 |
125 |
10.5 |
|
270 |
1565 |
160 |
11 |
|
310 |
1800 |
200 |
|
|
360 |
2135 |
250 |
|
|
415 |
2330 |
315 |
|
|
540 |
2945 |
400 |
|
|
570 |
3375 |
500 |
|
|
670 |
4130 |
630 |
|
|
775 |
4975 |
630 |
|
|
750 |
5050 |
6 |
800 |
|
|
875 |
5895 |
1000 |
|
|
1020 |
6885 |
1250 |
|
|
1205 |
8190 |
1600 |
|
|
1415 |
9945 |
2000 |
|
|
1760 |
12240 |
2500 |
|
|
2080 |
14535 |
As a technology-driven pioneer, Zhejiang Gangkong Electric Co., Ltd continually innovates through research and development to meet the ever-evolving market demands. We rigorously monitor industry trends, relentlessly improving and upgrading our products and technologies to offer cutting-edge solutions.
Our commitment lies in forging long-term, stable partnerships with our clients, delivering comprehensive services and support. Whether it's product consultation, technical assistance, or after-sales service, our professional team is always poised to provide timely help and solutions.
Are you the manufacturer or trader? |
GANG KONG is a leading & professional manufacturer located in Zhejiangprovince of China. |
What is your main markets? |
Our main market is in home & a half in South-East Asia, Middle East,West-AfricaEast-European countries & Some South America..etc |
What is your delivery & after-sales serive? |
The delivery is according to order gty, normally for containers order we need 1month. Per each month 20 containers (20'ft or 40'ft)are no problem for us . Wecan answer user's question and solve their problem in 24 hrs per each day andgive full technical support in time to all of our products. |
Do you accept OEM and ODM? |
Yes. Our R & D team owns latest technology ,can develop & produce products ascustomers' drawing & under their brand |
What is your payment terms? |
a. 30% T/T in advance as deposit ,balanced against the shipping documents |
b. irrevocable L/C at sight for order which amount is over 100 thousand USD |
C. for old business partner,we can negociate together for other special terms |
If i want to visit you ,how to do ? |
Our company is located in Yueqing city of Zhejiang province China,which is about40 minutes by car to Wenzhou air port & 30 minutes from Yueqing train station.About 1 hrs by air from Shanghai international airport and 1 hrs from Ningbo bytrain. lf you need invitation letter before come to China,we can give it to you. |