
A 30kVA dry-type transformer is a medium-sized electrical transformer with a rated capacity of 30 kilovolt-amperes (kVA) that operates without the use of traditional transformer oil for cooling and insulation. Instead, it relies on solid or cast resin as the dielectric material for insulation and uses air for cooling.
Product Introduction
Dry-Type Design: Unlike traditional oil-immersed transformers, dry-type transformers do not require oil as a cooling and insulating medium. Instead, they use solid or cast resin insulation and air for cooling. This design eliminates the risk of oil leaks, making them suitable for indoor installations.
Applications: Dry-type transformers of this size are commonly used in various applications, including commercial and industrial buildings, schools, hospitals, data centers, and other places where safety, environmental, or space considerations make oil-immersed transformers less practical.
Efficiency: Dry-type transformers are known for their high efficiency and minimal energy loss. They are designed to meet strict energy efficiency standards, making them environmentally friendly and cost-effective over the long term.
30kVA dry-type transformer is a versatile and efficient electrical transformer designed for various indoor applications. Its dry-type design, high efficiency, and minimal maintenance requirements make it a suitable choice for powering medium-sized loads in commercial and industrial settings, where safety, space, and environmental considerations are important factors.
Quality Standards Of Product

1.Quality management system GB/T 19001-2016 ISO 9001: 2015
The operation of the whole YAWEI system is strictly controlled and managed. This ensures the quality of products and material in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.
2.CERTIFICATEOFCOMPLIANCE of UL and CUL
YaWei pad mounted transformer have been evaluated by UL in accordance with the U.S and Canada Standard(s). Our transformer certified by UL based on Canadian standards (CSA standards) .
3.Accreditation certificate CE
Standard: EN 60076-1:2011.EN 60076-2:2011EN 60076-14:2013 confirms that YAWEI technical quality meets the requirements of all specific international standards for testing and calibration laboratories. All YAWEI products are fully tested in a qualified testing room before leaving the factory, ensuring stable quality and providing absolute peace of mind for customers.
|
(kva) |
HV (kV) |
Tapping Ranges |
LV (kV) |
Vector-group |
No-load Loss |
75 ℃ Load Loss |
No-load Loss |
Short -Circuit Impendance |
|
30 |
6 6.3 6.6 10 10.5 11 |
±5% ±2X2.5% |
0.4 |
Dyn11 Yyno |
190 |
710 |
2.4 |
4 |
|
50 |
270 |
1000 |
2.4 |
|||||
|
80 |
370 |
1380 |
1.8 |
|||||
|
100 |
400 |
1570 |
1.8 |
|||||
|
125 |
470 |
1850 |
1.6 |
|||||
|
160 |
540 |
2130 |
1.6 |
|||||
|
200 |
620 |
2530 |
1.4 |
|||||
|
250 |
720 |
2760 |
1.4 |
|||||
|
315 |
880 |
3470 |
1.2 |
|||||
|
400 |
980 |
2990 |
1.2 |
|||||
|
500 |
1160 |
4880 |
1.2 |
|||||
|
630 |
1340 |
5880 |
1.0 |
|||||
|
630 |
1300 |
5960 |
1.0 |
6 |
||||
|
800 |
1520 |
6960 |
1.0 |
|||||
|
1000 |
1770 |
8130 |
1.0 |
|||||
|
1250 |
2090 |
9690 |
1.0 |
|||||
|
1600 |
2450 |
11730 |
1.0 |
|||||
|
2000 |
3050 |
14450 |
0.8 |
|||||
|
2500 |
3600 |
17170 |
0.8 |
|||||
|
1600 |
2450 |
12960 |
1.0 |
8 |
||||
|
2000 |
3050 |
15960 |
0.8 |
|||||
|
2500 |
3600 |
18890 |
0.8 |
|
Rated Capacity (kva) |
HV(kV) |
Tapping Ranges |
LV (kV) |
Vector-group |
No-load Loss |
75 ℃ Load Loss |
No-load Loss |
Short -Circuit Impendance |
|
50 |
20 22 24 or others |
±5% ±2x2.5% |
0.4 or others |
Dyn11 Yyno or others |
380 |
1300 |
2.4 |
6 |
|
100 |
600 |
2100 |
2.2 |
|||||
|
160 |
750 |
2600 |
1.8 |
|||||
|
200 |
820 |
3100 |
1.8 |
|||||
|
250 |
940 |
3600 |
1.6 |
|||||
|
315 |
1080 |
4300 |
1.6 |
|||||
|
400 |
1280 |
5100 |
1.4 |
|||||
|
500 |
1500 |
6100 |
1.4 |
|||||
|
630 |
1700 |
7200 |
1.2 |
|||||
|
800 |
1950 |
8700 |
1.2 |
|||||
|
1000 |
2300 |
10300 |
1.0 |
|||||
|
1250 |
2650 |
12150 |
1.0 |
|||||
|
1600 |
3100 |
14600 |
0.8 |
8 |
||||
|
2000 |
3600 |
17250 |
0.8 |
|||||
|
2500 |
4300 |
20400 |
0.8 |
|||||
|
2000 |
3600 |
18800 |
0.8 |
|||||
|
2500 |
4300 |
22400 |
0.8 |
|
Rated Capacity |
HV/LV |
Tapping Ranges |
Vector Group |
No-load Loss |
B 100℃ Load Loss (w) |
P 120℃ Load Loss (w) |
H 145℃ Load Loss (w) |
No-load Current (%) |
Short -cirsuit Impedance |
|
30 |
6/0.4 6.3/0.4 6.6/0.4 10/0.4 10.5/0.4 11/0.4 |
±5% ±2x2.5% |
Dyn11 Yyn0 |
135 |
605 |
640 |
685 |
4.0 |
|
|
50 |
195 |
845 |
900 |
965 |
|||||
|
80 |
265 |
1160 |
1240 |
1330 |
|||||
|
100 |
290 |
1330 |
1415 |
1520 |
|||||
|
125 |
340 |
1565 |
1665 |
1780 |
|||||
|
160 |
385 |
1800 |
1915 |
2050 |
|||||
|
200 |
445 |
2135 |
2275 |
2440 |
|||||
|
250 |
515 |
2330 |
2485 |
2665 |
|||||
|
315 |
635 |
2945 |
3125 |
3355 |
|||||
|
400 |
705 |
3375 |
3591 |
3850 |
|||||
|
500 |
835 |
4130 |
4390 |
4705 |
|||||
|
630 |
965 |
4975 |
5290 |
5660 |
|||||
|
630 |
935 |
5050 |
5365 |
5769 |
6.0 |
||||
|
800 |
1095 |
5895 |
6265 |
6715 |
|||||
|
1000 |
1275 |
6885 |
7315 |
7885 |
|||||
|
1250 |
1505 |
8190 |
8720 |
9335 |
|||||
|
1600 |
1765 |
9945 |
10555 |
11320 |
|||||
|
2000 |
2195 |
12240 |
13005 |
14005 |
|||||
|
2500 |
2590 |
14535 |
15455 |
16605 |
|||||
|
1600 |
1765 |
11050 |
11660 |
12510 |
8.0 |
||||
|
2000 |
2195 |
13520 |
14360 |
15400 |
|||||
|
2500 |
2950 |
15980 |
17000 |
18260 |
Main Products Of YAWEI








