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10 KV Three-phase Oil-immersed Power Distribution Transformer

  • Junengda 10 KV Oil-Immersed Transformer Overview>>>

Junengda’s 10kV three-phase oil-immersed transformer is a cornerstone of modern electrical power distribution, engineered to deliver efficient voltage transformation for utility grids, industrial complexes, and renewable energy systems. Designed for reliability, this transformer steps up or steps down voltages with precision, ensuring stable performance under demanding loads and extreme environmental conditions.

  • Junengda 10 KV Oil-Immersed Transformer technical specifications>>>

Rated Capacity(KVA) Voltage Combination and Decomposition Ranges Vector Group No-load Loss(w) Load Loss(w) No-load current

(%)

Short Circuit Impedance(%)
High Voltage Tap Range(kv) Tap Changing Scope(%) Low Voltage

(kv)

30 10 ±2×2.5
±5
0.4 Dyn11
Yzn11
Yyn0
100 630/600 1.50 4.0
50 130 910/870 1.30
63 150 1090/1040 1.20
80 180 1310/1250 1.20
100 200 1580/1500 1.10
125 240 1890/1800 1.10
160 280 2310/2200 1.00
200 340 2730/2600 1.00
250 400 3200/3050 0.90
315 480 3830/3650 0.90
400 570 4520/4300 0.80
500 680 5410/5150 0.80
630 Dyn11
Yyn0
810 6200 0.60 4.5
800 980 7500 0.60
1000 1150 10300 0.60
1250 1360 12000 0.50
1600 1640 14500 0.50
2000 1940 18300 0.40 5.0
2500 2290 21200 0.40
  • Junengda 10 KV Oil-Immersed Transformer Features>>>

     

Standards & Certifications

Complies with IEC 60076, IEC 60296, GB1094, and GB/T 6451-2015.
Ensures global safety, interoperability, and regulatory compliance.

Primary Markets

Sold in 50+ countries across East Asia, Southeast Asia, South Asia, and Central Asia.
Focused on developing regions with adaptable designs for voltage stability and harsh environments.

Application Scenarios

Designed for 10 kV power distribution in power generation enterprises, industrial plants, and mining facilities.
Ideal for demanding environments requiring robust and stable power supply.

Structure & Materials

Utilizes advanced insulation technology and durable oil-immersed construction.
Engineered to minimize maintenance and extend operational lifespan.

System Performance

Delivers reliable 10 kV distribution across diverse grids, validated through rigorous global testing.
Ensures efficient energy delivery in challenging conditions.

 

  • Junengda 10 KV Oil-Immersed Transformer Advantage>>>

6KV Three-phase Oil-immersed Power Distribution Transformer

Superior Low-Temperature Performance

Our 10kV oil-immersed transformers ensure stable full-load operation even in prolonged low-temperature environments. This robust design minimizes thermal stress, extending equipment lifespan by up to 25–30 years.

 Optimized Efficiency & Noise Reduction

Junengda transformers feature advanced core materials and precision engineering to reduce no-load losses (≤0.85 kW) and load losses (≤6.2 kW). With efficiency exceeding 98.5% and low acoustic noise output, they meet stringent energy-saving standards.Technical specifications vary depending on the rated capacity.

Enhanced Short-Circuit Resilience

Built with high-strength mechanical structures, our 10kV three-phase transformers withstand extreme electrical stresses, ensuring reliable short-circuit protection for grid stability.

 Eco-Safe Insulation Technology

The environmentally safe insulating oil offers superior corrosion resistance and fire-retardant properties, aligning with global sustainability goals while ensuring operational safety.

 Long-Term Cost Savings

Low maintenance requirements, coupled with reduced energy losses and extended service life, make Junengda’s 10kV oil-immersed transformers a cost-effective solution for utilities and industries.

 

Why choose Junengda?

Junengda’s 10kV three-phase oil-immersed transformers deliver unmatched performance for modern power distribution. Designed with cutting-edge technology, these transformers excel in durability, efficiency, and environmental safety.

 

  • Junengda 10 KV Oil-Immersed Transformer Case>>>

case

1. Green Hydrogen Plant, Songyuan, China

A major green hydrogen project required stable power conversion for water electrolysis, facing grid harmonics and efficiency demands. Solution: Junengda’s 10kV three-phase oil-immersed transformers, featuring low losses (<0.065 W/kg core loss) and high harmonic resistance, ensured efficient rectification from a 3 GW renewable farm. Outcome: Enabled 800,000 tons/year of green ammonia production, cutting CO₂ by 880,000 tons annually.

2. Modular Nuclear Facility, Hainan, China

Linglong-1 SMR needed compact, safe transformers for distributed power in a high-heat coastal environment. Solution: Our transformers’ oil-immersed design provided passive cooling and corrosion resistance, supporting 125 MW output with minimal maintenance. Outcome: Reliable power for 526,000 households, aligning with China’s carbon-neutral goals.

3. Remote Mining Operation, Queensland, Australia

An off-grid copper mine required robust temperature control amid dust and load fluctuations. Solution: Junengda units integrated forced-oil air cooling (FOAC) and pressure-sensor temperature monitoring, maintaining <65°C top-oil temperature despite unbalanced loads. Outcome: 20% longer service life and zero downtime over 18 months.

4. Smart Agriculture Cooperative, Netherlands

A 500-hectare agro-industrial park sought energy-efficient irrigation and processing power. Solution: Deployed three Junengda 10kV three-phase oil-immersed transformers with interleaved winding tech, reducing no-load losses by 30% versus conventional models. Outcome: Annual energy savings of €41,000 and seamless peak-load managemen.

  • Junengda 10 KV Oil-Immersed Transformer Overview>>>

1. What is a 10kV Oil-Immersed Transformer?

A Junengda 10kV oil-immersed transformer is a robust power distribution device designed for single or three-phase electrical systems. It operates at 10 kilovolts (kV) and uses high-quality insulating oil for optimal cooling and insulation.

2. Where are 10kV Oil-Immersed Transformers Used?

These transformers are ideal for power distribution grids, industrial facilities, renewable energy projects (solar/wind farms), and substations. They efficiently step up or down voltages in urban and rural electrification systems.

3. How Does the Insulating Oil Work?

The oil serves dual roles:
Insulation: Prevents electrical arcing between internal components.
Cooling: Absorbs and dissipates heat during operation to ensure thermal stability.

4. Why Choose Junengda’s Oil-Immersed Over Dry-Type Transformers?

Junengda’s 10kV oil-immersed transformers offer:
Higher efficiency and superior heat management.
Extended lifespan (25+ years) and overload resilience.
Cost-effectiveness for high-power applications.

5. What Maintenance Do These Transformers Require?

Routine checks include:
Oil quality tests (dielectric strength, acidity, moisture).
Leak inspections and corrosion monitoring.
Component assessments (bushings, cooling fins, relays).

6. Are Junengda Transformers Safe for Outdoor Use?

Yes. Our 10kV oil-immersed transformers feature weatherproof enclosures, corrosion-resistant materials, and UV protection for reliable outdoor performance in harsh environments.

7. What Safety Measures Are Critical?

Ensure proper grounding and lightning protection.
Monitor oil levels to prevent overheating.
Install fire-resistant barriers or containment systems for oil safety.

8. What is the Lifespan of Junengda’s 10kV Transformers?

With regular maintenance, Junengda transformers operate efficiently for 25–30 years, even under demanding conditions.

9. What Causes Failures in Oil-Immersed Transformers?

Common issues include:
Insulation degradation from aging or moisture ingress.
Overloading or inadequate cooling leading to overheating.
10. Can These Transformers Support Renewable Energy Systems?
Absolutely. Junengda’s 10kV oil-immersed transformers are widely used in solar and wind farms for grid integration, ensuring stable voltage conversion and energy efficiency.

 

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