Customization: | Available |
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Application: | Electronic, Instrument, Lighting |
Phase: | Three |
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Experience the pinnacle of innovation and excellence with our non-encapsulated coil three-phase dry-type power transformer, crafted using the UL-approved Nomex insulation system. This transformer is engineered to deliver unmatched safety, reliability, and energy efficiency, along with robust fire prevention and explosion-proof features. Its innovative design and impeccable structure ensure not only a visually appealing appearance but also superior performance, exceeding domestic standards in aspects like partial discharge level, no-load and load loss, noise, and adaptability to high humidity environments. Perfect for installation in polluted or humid surroundings, near lakes, seas, rivers, and areas demanding stringent fire protection, it thrives under heavy load conditions. Designed for high-rise buildings, airports, stations, wharves, subways, hospitals, power plants, shopping centers, and densely populated areas, it's indispensable for petrochemical and nuclear power facilities. The dry-type transformer, sealed with epoxy, is flame-retardant, explosion-proof, maintenance-free, and compact enough to be positioned at the load center, ensuring unparalleled convenience and efficiency.
Nominal | Voltage unitcombination | Low voltage(KV) | Vector Group | No-load loss(W) | Loasloss (W) | No-load current(%) | Short-circuit impedance(%) | ||
capacity(KVA) | High voltage(KV) | High voltage tap | F class | H class | |||||
range | (120ºC) | (120ºC) | |||||||
50 | 0.4 | Yyn0 Dyn11 |
450 | 1420 | 1520 | 2.3 | 6 | ||
100 | 35 36 37 38.5 |
±2×2.5% or ± 5% | 630 | 2090 | 2230 | 2 | |||
160 | 790 | 2810 | 3000 | 1.5 | |||||
200 | 880 | 3320 | 3550 | 1.5 | |||||
250 | 990 | 3800 | 4060 | 1.3 | |||||
315 | 1170 | 4510 | 4820 | 1.3 | |||||
400 | 1370 | 5410 | 5790 | 1.1 | |||||
500 | 1620 | 6650 | 7110 | 1.1 | |||||
630 | 1860 | 7690 | 8230 | 1 | |||||
800 | 2160 | 9120 | 9760 | 1 | |||||
1000 | 2430 | 10400 | 11100 | 0.75 | |||||
1250 | 2830 | 12700 | 13600 | 0.75 | |||||
1600 | 3240 | 15400 | 16500 | 0.75 | |||||
2000 | 3820 | 18200 | 19500 | 0.75 | |||||
2500 | 4450 | 21800 | 2330 | 0.75 | |||||
35KV main 800kVA~25000KVA NLTC Power transformer | |||||||||
Nominal | Voltage unitcombination | Low voltage(KV) | Vector Group | No-load loss(W) | Loasloss (W) | No-load current(%) | Short-circuit impedance(%) | ||
capacity(KVA) | High voltage(KV) | High voltage tap range |
F class | H class | |||||
(120ºC) | (120ºC) | ||||||||
800 | 35 36 37 38.5 |
±2×2.5% or ± 5% | 3.15 6 6.3 10 10.5 11 |
Yyn0 Yd11 Dyn11 |
2250 | 9400 | 10000 | 0.95 | 6 |
1000 | 2670 | 10900 | 11600 | 0.95 | |||||
1250 | 3130 | 12900 | 13800 | 0.85 | |||||
1600 | 3690 | 15400 | 16500 | 0.85 | |||||
2000 | 4230 | 18200 | 19500 | 0.75 | 7 | ||||
2500 | 4860 | 21800 | 23300 | 0.75 | |||||
3150 | 6030 | 24500 | 26200 | 0.7 | 8 | ||||
4000 | 7020 | 29400 | 31500 | 0.7 | |||||
5000 | 6 6.3 10 10.5 |
Ynd11 Yd11 Dyn11 |
8370 | 34900 | 37400 | 0.6 | |||
6300 | 9900 | 40800 | 43700 | 0.6 | |||||
8000 | 11300 | 46000 | 49300 | 0.5 | 9 | ||||
10000 | 12900 | 55500 | 59400 | 0.5 | |||||
12500 | 15700 | 64600 | 69100 | 0.4 | |||||
16000 | 19300 | 76000 | 81300 | 0.4 | |||||
20000 | 22900 | 85500 | 91500 | 0.35 | 10 | ||||
25000 | 27100 | 101000 | 108000 | 0.35 | |||||
35KV main 2000kVA~25000KVA OLTC Power transformer | |||||||||
Nominal | Voltage unitcombination | Low voltage(KV) | Vector Group | No-load loss(W) | Loasloss (W) | No-load current(%) | Short-circuit impedance(%) | ||
capacity(KVA) | High voltage(KV) | High voltage tap range |
F class | H class | |||||
(120ºC) | (120ºC) | ||||||||
2000 | 35 36 37 38.5 |
±4×2.5% | 3.15 6 6.3 10 10.5 11 |
Yd11 Dyn11 |
4500 | 19000 | 20300 | 0.75 | 7 |
2500 | 5220 | 22600 | 24200 | 0.75 | |||||
3150 | 6300 | 25400 | 27200 | 0.7 | 8 | ||||
4000 | 7380 | 30400 | 32600 | 0.7 | |||||
5000 | 8730 | 36100 | 38600 | 0.6 | |||||
6300 | 10300 | 41800 | 44700 | 0.6 | |||||
8000 | 11800 | 47500 | 50800 | 0.5 | 9 | ||||
10000 | 13500 | 57100 | 61200 | 0.5 | |||||
12500 | 16400 | 66500 | 71100 | 0.4 | |||||
16000 | 20200 | 78200 | 83700 | 0.4 | |||||
20000 | 23800 | 88000 | 94200 | 0.35 | 10 | ||||
25000 | 28100 | 104000 | 111000 | 0.35 |
Leisheng New Energy Technology (Wenzhou) Co., Ltd. stands as a beacon of technological prowess, combining research, production, sales, and service into a seamless high-tech enterprise. Our dedication lies in the innovation, development, and support of pioneering power systems, including box substations, American box transformers, and underground box transformers, among others. Through relentless efforts and dedication, we've earned the prestigious titles of 'AAAA level enterprise' and 'integrity enterprise,' a testament to our superior quality and exceptional service that resonate across the industry.
Lei Sheng Company has achieved remarkable milestones in the national production of high and low voltage switchgear, ensuring top-tier product quality. With ISO 09001-94 quality assurance certification across all facets, from development to after-sales service, our processes are meticulously monitored under the ISO 09000 system. AOSIQ has introduced the 'Regulations on Compulsory Product Certification Management,' and by 2018, our series of products successfully attained the national 'CCC' certification, underscoring our commitment to quality and excellence.
Q: What's your major products?
A: Oil immersed transformer, dry type transformer, Transformer Substation, High and Low Voltage Switchgear.
Q: Can your product be customized?
A: Considering differences in voltage, frequency and other specialty of transformer product in different countries and regions, our product can be customized according to your requirements.
Q: When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q: What about lead or shipping time?
A: The lead time depends on the quantity you ordered, generally within 15 days upon receipt of advance payment.
Q: What is the price of shipping?
A: Depending upon the port of delivery, prices vary.
Q: Do you offer guarantee for the products?
A: Yes. We offer at least one year's guarantee for all of our transformers.
Q: Your Advantage?
A: 15 years experience, Advanced production equipments, Stable quality, Fast delivery, Professional & good & Prompt service. Also some free parts can be provided for you.