S22 Three-Phase Transformer - China Manufacturers

S22 type three-phase full distribution transformer

1. Voltage Rating: 10kV / 0.4kV 2. Voltage Regulation Method: No-load voltage regulation 3. Tap Range: ±2×2.5% or ±5% 4. Connection Group: Dyn111 (preferred), Yyn0 5. Cooling Method: ONAN oil-immersed self-cooling 6. Capacity Range: 30-2500kVA 3. Key Loss Indicators (Level 1 Energy Efficiency) 7. No-load Loss: Approximately 40% lower than S11, approximately 20% lower than S13 8. Load Loss: 10%~15% lower than national standard 9. Energy Efficiency Standard: GB 20052 Level 1 Energy Efficiency 10. Operating Environment: Outdoor/ Indoor units: 11. Standardized design; custom designs available for special requirements.

S22 Type Three-Phase Full Distribution Transformer

The S22 type three-phase full distribution transformer from Lijie Electric delivers exceptional performance with Level 1 energy efficiency certification. Our advanced oil-immersed design reduces no-load losses by 40% compared to S11 models and 20% versus S13 units. With capacity ranging from 30-3150kVA and a proven 30-year design life, you'll benefit from ultra-low noise operation (≤50-55dB) and all-copper windings that ensure superior short-circuit protection for your critical infrastructure.

S22 type three-phase full distribution transformer

Why Choose Our Three-Phase Distribution Transformer?

You merit hardware that works as difficult as you do. Our transformers combine cutting-edge innovation with commonsense reliability.

Energy Investment funds That Matter

Your power bills will thank you. Stack misfortunes drop 10-15% underneath national benchmarks. That implies genuine cash back in your budget each month. The completely fixed layered oil tank plan disposes of the require for an oil conservator, diminishing support cerebral pains significantly.

Built to Final Decades

We build each item for 30+ a long time of reliable benefit. High-permeability silicon steel centers and all-copper windings stand up to wear and tear. You won't require substitution units about as often.

Quiet and Neighbor-Friendly

Operating at whisper-quiet levels (50-55dB), your establishments won't exasperate adjacent inhabitants or laborers. Culminate for urban regions, clinics, schools, and commercial zones where clamor things.

Technical Specifications

Parameter	Specification
Energy Efficiency Rating	Level 1 (GB 20052-2020)
Voltage Rating	6kV, 10kV, 12kV / 0.4kV
Capacity Range	30-3150kVA
Frequency	50Hz / 60Hz
Number of Phases	Single-phase, Three-phase
Connection Group	Dyn11 (preferred), Yyn0
Tap Range	±5%, ±2×2.5%
Voltage Regulation	No-load (Non-excitation)
Cooling Method	ONAN (Oil-immersed self-cooling)
Insulation Level	Power frequency: AC-35kV Impulse: L1-75kV
Impedance Voltage	Per technical parameter table
Noise Level	≤50-55dB (A)
Design Life	≥30 years
Operating Environment	Outdoor/Indoor, Max temp 40℃

S22 type three-phase full distribution transformer

What Makes Our Transformers Different?

Advanced Manufacturing Excellence

Lijie Electric operates two state-of-the-art manufacturing bases spanning 500,000 square meters. Our 2,000+ employees include 160 specialized engineers with advanced degrees. This expertise translates directly into superior product quality.

International Quality Standards

Every unit undergoes rigorous testing at the National Transformer Quality Supervision and Inspection Center. We hold ISO 9001:2015, CE, UL, and IEC certifications. You can trust our three-phase distribution S22 type three-phase full distribution transformers meet the world's toughest standards.

Customization When You Need It

Standard designs ship quickly, but we also accommodate special requirements. Production cycles range from 6-30 days depending on your specifications. Need unique voltage ratings or environmental adaptations? We'll make it happen.

Global Service Network

We support installations across Asia, Africa, Oceania, and beyond. Complete technical documentation, spare parts, and installation guidance come standard. You're never alone after purchase.

S22 type three-phase full distribution transformer

Frequently Asked Questions

Q: What's the difference between S22 and older S11/S13 models?

A: The product dramatically outperforms legacy equipment. No-load losses drop 40% versus S11 and 20% versus S13 models. You'll see immediate utility cost reductions.

Q: Can these transformers handle outdoor installation?

A: Absolutely. The fully sealed corrugated oil tank design protects internal components from environmental factors. Maximum operating temperature is 40℃, suitable for most climates worldwide.

Q: How long does delivery take?

A: Standard configurations typically ship within 6-15 days. Custom orders may require 20-30 days depending on specifications. We'll provide exact timelines when you request a quote.

Q: What maintenance do these units require?

A: Very minimal. The sealed design eliminates oil conservator maintenance. Periodic visual inspections and load monitoring suffice for most applications. Our 30-year design life reflects this durability.

Q: Do you provide installation support?

A: Yes. We supply complete technical drawings, operation manuals, test reports, and installation guidance. Our technical team can answer questions throughout your project.

Q: What certifications do your transformers hold?

A: All units carry National Transformer Quality Supervision certification, CQC energy efficiency certification, ISO 9001:2015, CE, UL, and IEC approval for applicable voltage classes.

Contact Us

Ready to upgrade your power distribution with S22 type three-phase full distribution transformer? Email us at lijieelectrical@gmail.com for technical specifications and quotations today.