Compact 500kVA-2500kVA Three Phase Liquid Filled Pad Mounted Transformer 0.69/11KV for Large Scale PV Plants

Our Three-Phase Pad-Mounted Transformer is engineered for reliable power distribution in industrial, commercial, and large-scale photovoltaic (PV) projects. With capacities ranging from 500kVA to 2500kVA, these liquid-filled transformers provide high efficiency, low losses, and superior thermal performance. Designed to withstand harsh environmental conditions, our transformers ensure safe, stable, and long-term operation.

1. High Efficiency & Low Losses – Optimized core and winding design for maximum energy savings.
2. Wide Capacity Range – 500kVA to 2500kVA, meeting diverse industrial and PV project requirements.
3. Durable Liquid-Filled Design – Enhanced cooling performance for high-temperature regions.
4. Explosion-Proof & Fire-Safe – Equipped with pressure relief devices and robust insulation to prevent accidents.
5. Compact & Easy Installation – Pad-mounted design simplifies site setup, minimizing construction costs.
6. Customizable Solutions – Tailored designs for voltage, protection class, and environmental conditions.

Market Challenges:

• High ambient temperatures can lead to accelerated insulation degradation and oil deterioration.
• Explosion and fire risks due to overpressure or transformer faults.
• Harsh environmental conditions (UV, humidity, dust) affecting long-term reliability.

Our Solutions:

• Enhanced Cooling Design: Optimized liquid circulation and heat dissipation system for stable operation in +50°C conditions.
• Explosion-Proof & Fire-Safe Structure: Pressure relief valves, flame-retardant oil, and reinforced tanks minimize risk of fire or explosion.
• High-Quality Insulation Materials: Ensures long-term reliability in hot climates.
• Corrosion-Resistant Enclosure: Weather-proof coatings prevent rust and deterioration in coastal or humid areas.
• Customizable Monitoring: Optional temperature sensors and pressure gauges for proactive maintenance.

Q1: Can this transformer operate reliably in areas above 45°C?
A1: Yes, our liquid-filled pad-mounted transformers are designed with optimized cooling and high-quality insulation to operate safely in ambient temperatures up to +50°C.

Q2: Are your transformers explosion-proof for safety in industrial areas?
A2: Absolutely. Our transformers feature pressure relief devices, reinforced tanks, and flame-retardant oil to prevent explosions and fires.

Q3: Can the transformer be customized for solar PV plants?
A3: Yes, we offer tailor-made solutions for PV projects including specific voltage ratings, capacity ranges, and monitoring options.

Q4: How do you prevent oil leakage in high-temperature regions?
A4: The transformer uses sealed conservators, reinforced gaskets, and anti-leakage valves to ensure safe operation.

Q5: What maintenance is needed in high-temperature climates?
A5: Regular inspection of oil level, temperature, and pressure is recommended; our optional remote monitoring can minimize manual checks.

Q6: Can we order a transformer with higher IP protection for dusty or humid regions?
A6: Yes, we can provide IP54 or higher enclosures to resist dust, rain, and harsh environmental conditions.

Hentg Power Co., Ltd. is a leading transformer manufacturer specializing in customized power solutions for industrial, commercial, and renewable energy applications. With decades of experience in transformer design and manufacturing, we provide high-quality, reliable, and efficient products, including oil-immersed, dry-type, and pad-mounted transformers.
Our factory integrates advanced R&D, production, and quality control systems, ensuring every transformer meets international standards (IEC, IEEE, GB). We focus on customization, allowing voltage, capacity, insulation, and protection options tailored to client needs.
Serving clients globally, we are committed to long-term partnerships with EPC contractors, distributors, and industrial end-users, offering not only transformers but also complete technical support, installation guidance, and after-sales service.
At Hentg Power, innovation, reliability, and client satisfaction drive everything we do. Our transformers are trusted in high-temperature, high-humidity, and large-scale PV environments, delivering stable power and peace of mind.