April 27, 2025
With a tight project schedule, the manufacturer delivered on time, and on-site technical personnel provided guidance throughout the entire installation and commissioning process; the collaboration was highly efficient and hassle-free.
When you need dependable power distribution for industrial facilities, utilities, or large-scale projects, the S20 type 35KV oil-immersed power transformer from Lijie Electric delivers proven performance. With capacity ranging from 630kVA to 31,500kVA and Level 1 energy efficiency, our transformers reduce operational costs while ensuring stable power supply. Backed by our 500,000-square-meter manufacturing facilities and a team of over 160 specialized engineers, each unit undergoes rigorous testing to meet GB1094 and IEC60076 standards. Our product features an extended 30-year outdoor lifespan and noise levels as low as 60dB(A).

| Parameter | Specification |
|---|---|
| Voltage Rating | 35KV |
| Capacity Range | 630-31500kVA |
| Frequency | 50Hz / 60Hz |
| Number of Phases | Single-phase / Three-phase |
| Voltage Regulation | No-load tap changer |
| Tap Range | ±2×2.5% |
| Connection Group | Dyn11 (preferred) / Yd11 |
| Noise Level | ≤60dB(A) @ 1000kVA |
| Cooling Method | Oil-immersed self-cooling / Air cooling |
| Structure Type | Corrugated tank (small capacity) / Flat tank (large capacity) |
| Operating Temperature | Maximum 40℃ outdoor |
| Standards Compliance | GB1094, GB/T6451-2008, IEC60076 |
| Certifications | ISO 9001:2015, CE, IEC |
Our transformers accomplish Level 1 vitality effectiveness benchmarks. This implies you'll see quantifiable decreases in power costs from day one. The progressed center plan minimizes no-load misfortunes. Your office works more financially over decades of service.
The completely fixed development expands maintenance-free operation essentially. You get up to 30 a long time of open air benefit life. That's 50% longer than conventional S11 models. Less support mediations cruel lower add up to proprietorship costs for your operation.
Risk resistance surpasses national prerequisites by considerable edges. The layered tank plan suits warm development actually. Inside blame assurance frameworks react immediately to unusual conditions. Your framework remains secured around the clock.
With commotion levels at or underneath 60dB(A), these units work well in noise-sensitive situations. Private zones, clinics, and instructive campuses advantage from whisper-quiet operation. The oil-immersed cooling strategy works without hurtful emissions.
Modern IoT network alternatives let you coordinate these transformers into brilliantly control administration frameworks. Real-time checking gives operational information when you require it. Farther diagnostics decrease reaction times for any execution issues.

You'll find our S20 type 35KV oil-immersed power transformer perfectly suited for:
Lijie Electric works two major generation offices crossing 500,000 square meters. Our group of over 2,000 experts incorporates doctoral and master's degree holders specializing in transformer technology.
Every transformer passes assessment by the National Transformer Quality Supervision and Review Center. Third-party confirmation from Wuhan Tall Voltage Inquire about Established affirms execution specifications.
We customize generation to coordinate your correct necessities. Standard conveyance times extend from 6 to 30 days depending on details. Our worldwide supply chain serves clients over Australia, India, Vietnam, Malaysia, Indonesia, Egypt, Kenya, and past.
When you partner with us, you receive more than equipment. Our support package includes:
Q: What's the distinction between S20 and more seasoned transformer models?
A: The S20 arrangement offers Level 1 vitality productivity compared to more seasoned plans. You'll involve lower misfortunes, expanded support interims, and calmer operation. The completely fixed structure pairs the maintenance-free period.
Q: Can I utilize this transformer in extraordinary temperature conditions?
A: Standard models work dependably up to 40℃ encompassing temperature. We offer customized arrangements for more extraordinary situations. Contact our designing group to examine your particular climate requirements.
Q: How long does conveyance take regularly?
A: Generation cycles extend from 6 to 30 days based on capacity and customization level. We'll give a exact timeline after checking on your specifications.
Q: What cooling strategies are available?
A: We offer oil-immersed self-cooling for most applications. Oil-immersed discuss cooling is accessible for establishments requiring improved warm scattering in higher surrounding temperatures.
Q: Is farther checking possible?
A: Yes. Our transformers back IoT integration for keen network applications. You can track operational parameters, get cautions, and perform diagnostics remotely.
Q: What certifications do these transformers carry?
A: All units hold ISO 9001:2015, CE, and IEC certifications. They comply with GB1094 and IEC60076 worldwide benchmarks. CQC vitality effectiveness certification affirms execution claims.
Ready to upgrade your S20 type 35KV oil-immersed power transformer power distribution infrastructure? Reach out to our team at lijieelectrical@gmail.com to discuss your project requirements.
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