S13 Single-Phase Transformer - China Manufacturers

1. Low loss, fully sealed, non-excitation voltage regulation (5 levels), 24-hour uninterrupted power supply, long annual operating time. 2. Cooling method: ONAN oil-immersed self-cooling. 3. High-permeability cold-rolled grain-oriented silicon steel sheets (0.23mm grade), fully oblique joints, no punching, low noise, low loss. 4. Fully sealed corrugated oil tank: no oil conservator, corrugated plate automatically compensates for oil volume changes; completely isolated from the atmosphere, maintenance-free, prevents oil aging, and extends lifespan. 5. Windings: high-purity oxygen-free copper wire; cylindrical/continuous type, uniform oil channels, strong short-circuit resistance. 6. Applicable scenarios: urban residential areas, commercial complexes, industrial park power distribution rooms; supporting facilities for box-type substations, ring main units, and pole-mounted substations; locations with high requirements for energy saving, maintenance-free operation, and low noise. 7. Standardized design, special requirements can be customized.

S13 Type Single-Phase Distribution Transformer: Energy-Efficient Power Solution

Our S13 type single-phase distribution transformer delivers exceptional energy savings with up to 30% lower no-load losses compared to older models. Manufactured at Lijie Electric's 500,000-square-meter facilities with over 160 technical experts, these transformers feature fully sealed corrugated oil tanks, high-permeability silicon steel cores (0.23mm), and 100% oxygen-free copper windings. With capacity ranges from 30-3150kVA and 24-hour continuous operation capability, you get ISO 9001, CE, and IEC certified quality backed by our 5 billion RMB annual production capacity. Our oil-immersed transformers reduce noise by 20% below national standards while requiring zero maintenance throughout their service life.

S13 type single-phase distribution transformer

Why Choose Our Single-Phase Distribution Transformers?

Superior Energy Efficiency

You'll immediately notice the cost savings. Our transformers use advanced high-permeability cold-rolled grain-oriented silicon steel sheets with fully oblique joints and zero punching. This design minimizes energy waste during both peak and idle periods.

The maintenance-free operation means you won't spend money on periodic servicing. The fully sealed corrugated oil tank automatically compensates for oil volume changes without human intervention.

Built for Continuous Operation

Your power supply won't let you down. These units support 24-hour uninterrupted operation with:

ONAN oil-immersed self-cooling system
Five-level non-excitation voltage regulation
Complete atmospheric isolation preventing oil degradation
Extended operational lifespan through sealed design

Quiet Performance

Noise concerns? We've addressed them. Our transformers operate 20% quieter than current national standards (JB/T10088-2004), making them perfect for residential areas, hospitals, and schools where sound levels matter.

Technical Specifications

Parameter	Specification
Voltage Level	6kV, 12kV
Rated Voltage	10±2×2.5%/0.4kV
Capacity Range	30-3150kVA
Frequency	50Hz, 60Hz
Number of Phases	Single-phase
Connection Group	Yyno or Dyn11
Voltage Regulation	Non-excitation, ±5%, ±2×2.5%
Cooling Method	Oil-immersed self-cooling (ONAN)
Insulation Level	AC withstand: 35kV; Impulse: 75kV
Operating Temperature	Maximum 40℃ outdoor
Core Material	0.23mm silicon steel, fully oblique joints
Winding Material	High-purity oxygen-free copper

S13 type single-phase distribution transformer

Where You Can Use These Transformers?

Urban Applications

Your residential communities and commercial complexes need reliable, quiet power. These transformers excel in:

Apartment building distribution rooms
Shopping mall basement installations
Office building power systems
Hospital and school facilities

Industrial Settings

Long operating hours mean greater savings. You'll benefit from:

Factory continuous operation support
Industrial park distribution networks
Data center backup systems
Municipal infrastructure projects

Integrated Solutions

Need compact installations? Our S13 type single-phase distribution transformers work perfectly with:

Prefabricated substations
Ring main units
Pole-mounted outdoor installations
Box-type transformer stations

Renewable Energy Projects

Planning solar or wind installations? The low excitation current and minimal losses support grid stability for new energy connections.

What Makes S13 Technology Different?

You're getting progressed building. Our inquiry about group upgraded the unique S11 plan through:

Optimized Center Structure: Modern materials and inventive geometry diminish attractive misfortunes significantly.

Enhanced Winding Plan: Round and hollow continuous-type windings with uniform oil channels give predominant short-circuit resistance.

Sealed Tank Framework: The layered oil tank disposes of the oil conservator completely. No barometric contact implies no dampness entrance and no oil oxidation.

Zero Support Reasoning: You won't require occasional oil testing, channel substitutions, or tank reviews.

Customization Options

Your project has unique requirements. We offer:

Tailored capacity specifications
Custom voltage configurations
Special impedance requirements
Frequency variations (50Hz/60Hz)
Production cycles: 6-30 days

All customizations maintain full certification compliance including UL, CE, and IEC standards.

S13 type single-phase distribution transformer

Frequently Asked Questions

Q: How much energy can I save compared to older transformers?

A: You'll see up to 30% reduction in no-load losses versus S9 or S11 models. For 24-hour operation, annual savings become substantial, especially during light-load periods like nights and weekends.

Q: Does the sealed design really eliminate all maintenance?

A: Yes. The corrugated tank automatically adjusts for oil expansion without air contact. You won't need oil changes, moisture testing, or conservator inspections throughout the transformer's service life.

Q: Can these handle outdoor installation?

A: Absolutely. The fully sealed construction resists sun, rain, and temperature variations. They're ideal for pole-mounted applications, street lighting, and remote monitoring stations.

Q: What's the typical lifespan?

A: With proper installation and normal operating conditions, expect 25-30 years of reliable service. The sealed system prevents the oil degradation that limits conventional transformer life.

Q: Are single-phase models suitable for my application?

A: Single-phase units work best for residential distribution, street lighting, small commercial loads, and rural installations. For balanced three-phase industrial loads, consider our three-phase Dyn11 configuration.

Q: What certifications do your transformers carry?

A: Every unit carries ISO 9001:2015, CE, IEC, and CQC energy efficiency certifications. Products undergo testing at China's National Transformer Quality Supervision Center and Wuhan High Voltage Research Institute.

Our Manufacturing Excellence

You're collaborating with demonstrated ability. Lijie Electric works two major fabricating bases in Xuzhou and Nantong with 2,000 representatives. Our building group holds progressed degrees and decades of transformer plan experience.

We've earned acknowledgment as a National High-Tech Undertaking and "Specialized, Refined, and Modern 'Little Giant'" company. Our quality administration meets GB/T 27922-2021 after-sales standards.

Your transformer ships with total documentation: specialized drawings, operation manuals, test reports, and establishment guidance.

Global Trust

Our transformers control ventures over Australia, Modern Zealand, India, Vietnam, Malaysia, Indonesia, Kazakhstan, Egypt, and Kenya. This worldwide demonstrates our commitment to quality and benefit.

Ready to Upgrade Your Power Distribution?

Let's discuss your specific requirements for S13 type single-phase distribution transformer. Contact us at lijieelectrical@gmail.com for technical consultation and customized solutions.