Customization: | Available |
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Application: | Electronic, Instrument, Lighting |
Phase: | Three |
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Crafted with precision by UL-approved Nomex insulation system, our non-encapsulated coil three-phase dry-type power transformer offers unparalleled safety, reliability, and energy efficiency. Designed to prevent fire and explosions, it requires minimal maintenance and boasts a modern aesthetic. Exceeding domestic standards in key performance indicators like partial discharge, no-load and load loss, and acoustic noise, it thrives even in high humidity environments. Ideal for installation in polluted and humid locations like lakesides or coastal areas, and especially suited for high fire-risk zones and heavy load applications. This versatile transformer shines in high-rise buildings, airports, stations, docks, subways, hospitals, power plants, metallurgy, shopping centers, densely populated urban settings, and even in petrochemical and nuclear facilities. With epoxy-sealed windings, it remains flame-retardant, explosion-proof, maintenance-free, and impervious to pollutants—engineered to embed seamlessly into load centers, offering compact and efficient power distribution.
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 comprehensive beacon of high-tech innovation, seamlessly merging R&D, production, sales, and service under one roof. Specializing in an array of power systems, including box substations and high to low voltage switchgear, the company has made significant strides forward. Its relentless dedication and exceptional service quality have earned it the prestigious titles of 'AAAA level enterprise' and 'integrity enterprise', marking its imprint in the industry with distinction and reverence.
Pioneering excellence, Lei Sheng Company has secured national acclaim for its high and low voltage switchgear production and product quality. With a robust ISO 09001-94 quality assurance system encompassing every facet from development to after-sales, the company ensures rigorous oversight. Reflecting its commitment to excellence, Lei Sheng has successfully passed the national mandatory 'CCC' certification for a series of products released in 2018, in alignment with AOSlQ's 'Regulations on Compulsory Product Certification Management'.
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.