Introduction to Dry-type Transformer
A dry-type transformer is a sophisticated power transformer that utilizes air or non-liquid insulating mediums, instead of oil, for superior insulation.
Basic Components:
This transformer typically features a robust core made of laminated electrical steel, windings crafted from high-quality copper or aluminum conductors, and a protective enclosure to ensure optimal insulation and safety.
Working Principle:
Functioning like other transformers, it leverages the principle of electromagnetic induction. The primary winding connects to the input voltage, generating a magnetic field in the core. This field induces a voltage in the secondary winding, facilitating efficient voltage transformation.
Advantages:
- Fire Safety: The absence of oil significantly minimizes fire risk, making it ideal for environments where fire safety is paramount, such as in buildings and public facilities.
- Low Maintenance: This transformer requires substantially less maintenance than oil-immersed types, as there's no need for regular monitoring and upkeep of insulating oil.
- Environmental Friendliness: Without the risk of oil leakage, this transformer is an environmentally conscious choice.
Applications:
Commonly deployed in indoor environments, commercial buildings, data centers, and industrial facilities, dry-type transformers provide an excellent power transformation solution where space is limited or where clean, fire-safe operation is essential.
For example, they are extensively used in high-rise office buildings for dependable 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 |
Driven by a passion for technology, Zhejiang Gangkong Electric Co., Ltd engages in relentless innovation and R&D to address evolving market needs. We stay ahead of industry trends, constantly refining our products and technologies to deliver cutting-edge solutions to our customers.
We are dedicated to forging enduring and stable partnerships with our clients, offering a full spectrum of services and support. From product consultation to technical assistance and after-sales service, our expert team is always on hand to provide prompt and efficient 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. |
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