Autotransformer
The autotransformer is a special transformer, in which the primary and secondary windings are on the same winding, and the original and secondary windings are directly connected in series for self-coupling. This design makes the low-voltage coil of the autotransformer part of the high-voltage coil, with direct electrical connection between the primary and secondary sides.
The coupling of an autotransformer refers to electromagnetic coupling. Compared to ordinary transformers, which transfer energy through electromagnetic coupling between the primary and secondary coils, an autotransformer achieves voltage transformation through direct electrical connection between the primary and secondary sides.
Rated capacity (KVA) |
H.V. (KV) |
Tapping range |
L.V. (KV) |
Vector group |
Loss(KW) |
No-load current (%) |
Impedance voltage (%) |
Weight (kg) |
Load loss |
No-load loss |
oil |
Total |
10 |
6,10,11 |
±5% or ±2*2.5% |
0.4 0.415 0.433 |
Dyn11
or
Yyn0 |
0.26 |
0.09 |
3.2 |
4 |
45 |
172 |
20 |
0.44 |
0.10 |
3.0 |
65 |
240 |
30 |
0.63 |
0.13 |
2.3 |
65 |
245 |
50 |
0.91 |
0.17 |
2.0 |
80 |
330 |
63 |
1.09 |
0.20 |
1.9 |
90 |
365 |
80 |
1.31 |
0.25 |
1.9 |
95 |
410 |
100 |
1.58 |
0.29 |
1.8 |
115 |
490 |
125 |
1.89 |
0.34 |
1.7 |
140 |
620 |
160 |
2.31 |
0.40 |
1.6 |
155 |
720 |
200 |
2.73 |
0.48 |
1.5 |
175 |
810 |
250 |
3.20 |
0.56 |
1.4 |
200 |
940 |
315 |
3.85 |
0.67 |
1.4 |
215 |
1090 |
400 |
4.52 |
0.80 |
1.3 |
240 |
1250 |
500 |
5.41 |
0.96 |
1.2 |
285 |
1460 |
630 |
6.20 |
1.20 |
1.1 |
4.5 |
345 |
1720 |
800 |
7.50 |
1.40 |
1.1 |
390 |
2050 |
1000 |
10.30 |
1.70 |
1.0 |
460 |
2430 |
1250 |
12.00 |
1.95 |
1.0 |
550 |
2850 |
1600 |
14.50 |
2.40 |
0.8 |
690 |
3600 |
2000 |
18.00 |
2.60 |
0.7 |
790 |
4300 |
Liaocheng HUARUI Electric Co., Ltd.
Liaocheng Huarui Electric Co., Ltd. is affiliated with Xinpeng Group, a comprehensive enterprise group with a glorious development history of thirty years. Xinpeng Group has a wide range of businesses and diversified industries, covering multiple fields such as steel pipe manufacturing, tourism services, electrical manufacturing, and real estate development, demonstrating its strong comprehensive strength and market competitiveness.
Liaocheng HUARUI Electric Co., Ltd. established in 1996,located in Liaocheng City, Shandong Province, which is one of the shortlisted suppliers of State Grid Corporation of China and belonging to a national high-tech enterprise.which has more than 30 engineering and technical personnel, more than 300 employees, covering an area of 260,000 square meters.The company has a relatively strong production capacity and eficient marketing team. Products include 35KV below various dry transformers, oil-immersed transformers, pre-installed substation and various specilications of box transformer, mining transformer and other special transformers.
Our enterprise has passed IS09001:2015 quality management system certification.At the same time, 10KV35KV class power transformers, box substation and the adoption of lEC certification. HUARUI Transformers areapproved by UL,CQC,CE,CCC,CAS,Gost.
-- FAQ --
Q1:.Who are we and are you a factory or a trading company?
A1:We are a transformer manufacturer with 20 years ofexperience.We are based in Liaocheng city Shandong province, China,sell to Americas, Europe, Africa, Southeast Asia, Russia, Middle East, etc.There are all about 200-300 people in our factory.
Q2: Is OEM/ODM available?
A2: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q3: What's your MOQ?
A3: One Set.
Q4: How is the delivery time?
A4: It depends your order quantity and it normally takes about 20-30 days.
Q5: How do you control the quality?
A5: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
Q6: How long is the warranty?
A6: Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.
Q7:What services can we provide?
A7:Accepted Delivery Terms: FOB,CIF.EXWAccepted Payment Currency:USD.CNY:Accepted Payment Type: T/T.Language Spoken:English,Chinese.