Audited Supplier
Qinghao oil distribution transformer includes hermetically sealed, amorphous alloy, conservator type and on-load tap changer type, which is usually pole mounted or installed in distribution station for daily lighting and factory power whose LV output up to 0.4kV. Our distribution transformer rating is up to 2500kVA, and primary voltage up to 35kV. The corrugated tanks as thermal expansion and contraction component enable the transformer oil completely isolated with the atmosphere. Oil distribution transformer with primary voltage range of 6,10,10.5,11,20,22,24,33, 35,38.5kV can be manufactured according to customer requirements.
Please check below quick links for other product types.
| Control Transformer | Oil Immersed Transformer | Dry Type Transformer |
| Substation Transformer | Switchgear | Distribution Cabinet |
The rated voltage can be customized as customers' requirements.
| High Voltage:10(6,6.3,10.5,11)KV Connection Symbol:D,yn11 or Y,yn0 Rated Frequency:50Hz/60Hz Low Voltage:0.4(0.415,0.433)KV Tapping Range of HV:±4x2.5% Insulation Level:LI75 AC35/AC3 | |||||||||||||
| Rated power (KVA) | Short-Circuit Impedance(%) | SZ22 (W) | SZ20 (W) | SZ13/18 (W) | No-Load Current (%) | Sound pressure dB(A) | Weight (kg) | Overall Dimension(mm) | |||||
| No-Load Loss | On-Load Loss | No-Load Loss | On-Load Loss | No-Load Loss | On-Load Loss | L | W | H | |||||
| 250 | 4.0 | 255 | 2240 | 290 | 2470 | 320 | 3110 | 0.90 | 58 | 1130 | 1700 | 880 | 1230 |
| 315 | 305 | 2690 | 350 | 2990 | 385 | 3730 | 0.90 | 60 | 1300 | 1790 | 930 | 1290 | |
| 400 | 375 | 3230 | 420 | 3600 | 470 | 4500 | 0.80 | 60 | 1480 | 1870 | 930 | 1340 | |
| 500 | 445 | 3850 | 495 | 4290 | 560 | 5350 | 0.80 | 62 | 1710 | 1900 | 1010 | 1370 | |
| 630 | 4.5 | 565 | 4750 | 625 | 5280 | 700 | 6600 | 0.60 | 62 | 1950 | 2000 | 1070 | 1470 |
| 800 | 655 | 5820 | 735 | 6470 | 820 | 8080 | 0.60 | 64 | 2080 | 2100 | 1100 | 1720 | |
| 1000 | 795 | 6810 | 895 | 7560 | 995 | 9450 | 0.60 | 64 | 2180 | 2300 | 1120 | 1750 | |
| 1250 | 915 | 8060 | 1025 | 8950 | 1140 | 11180 | 0.50 | 67 | 3150 | 2430 | 1190 | 1980 | |
| 1600 | 1230 | 9620 | 1265 | 10700 | 1400 | 13360 | 0.50 | 67 | 4220 | 2620 | 1260 | 2080 | |
| 2000 | 5.0 | 1160 | 12180 | 1310 | 13530 | 1455 | 16910 | 0.40 | 69 | 4600 | 2720 | 1300 | 2110 |
| 2500 | 1365 | 12380 | 1535 | 13740 | 1700 | 19630 | 0.40 | 69 | 5500 | 2820 | 1360 | 2170 | |
| Note: The above parameters are only for designing and selecting reference, and the final parameters are subject to the actual product. | |||||||||||||
Qinghao Electric Co., Ltd. (Hereinafter referred to as Qinghao Electric) is a reliable and specialized power transmission and distribution equipment manufacturer located in Wenzhou City, Zhejiang Province. We are focusing on transformer, substation, switchgear and other power related products' R&D and manufacture from 2010. Our products mainly include oil immersed transformer, dry-type transformer, amorphous alloy transformer, box type substation, pre-installed substation, high and low voltage switchgear.
With more than 20years develop and production efforts, our products are sold to many countries all over the world. Now our products' technical performance has reached the advanced level in power industry, and our company has become a leading professional power distribution manufacturer not only in China but also in the world. With the concept of "world-class transformers, smart solutions", Qinghao Electric is devoting to provide high-quality power for customers. Let us cooperate with a brighter future.
Q: Are you a Manufacturer, factory or Trading company?
A: Yes, we are engaging over 20years in the research and development, production and operation of distribution equipment (transformer, switchgear, substation, etc.).
Q: What's your warranty terms?
A: We offer 24 months warranty time.
Q: How long is the production time?
A: 25 to 45 days or depending on order requirements.
Q: What's your payment terms?
A: T/T, L/C or negotiation.
Q: How do you conduct quality control in your factory?
A: We implement incoming inspection for raw material, in process inspection during production and 100% OQC inspection before delivery to ensure every product is qualified.
Q: Do you have the products in stock?
A: Normally no, but we have raw material stock to shorten production lead time.
Q: How can I trust you?
A: Qinghao Electric has more than 20years manufacturing experience, and cooperated with many customers all over the world. We have many patent certificates, CE certificate, KEMA certificate, ISO9001, ISO14000 certificate. We are the audited supplier of Alibaba and Made-In-China.
Q: What should provide to make custom transformer?
A: Technical drawing and specification documents are the best, or you can list key parameters for designing.
Q: Could I have your catalog and price list?
A: Price may change based on material market. Welcome to contact for accurate price via Made-in-China or company official website.
