Hunan Hentg Power Electric Technology Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 2000-4000sets/year |
| Delivery Time | 35 |
| Packaging Details | Wooden Package |
| Mountingtype | Pad Mounted |
| Insulation Rating | Class E Insulation - 120°C, 248°F |
| Productname | Three Phase Pad Mounted Transformer |
| Enclosure Rating | NEMA 3R |
| Warranty | 1Year |
| Coil Number | Two Windings |
| Insulation Fluid | FR-3 Oil |
| Product Type | Pad Mounted Transformer |
| Application | Electric Utility Distribution, Commercial and Industrial Power |
| Insulation Class | Class A |
| Quality | 100% Tested |
| Shape | Rectangle |
| Winding Material | Cooper/Aluminum |
| Voltage Ratio | 0.69/11KV |
| Brand Name | HENTG POWER |
| Model Number | 500KVA-0.69KV/11KV |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 2000-4000sets/year |
| Delivery Time | 35 | Packaging Details | Wooden Package |
| Mountingtype | Pad Mounted | Insulation Rating | Class E Insulation - 120°C, 248°F |
| Productname | Three Phase Pad Mounted Transformer | Enclosure Rating | NEMA 3R |
| Warranty | 1Year | Coil Number | Two Windings |
| Insulation Fluid | FR-3 Oil | Product Type | Pad Mounted Transformer |
| Application | Electric Utility Distribution, Commercial and Industrial Power | Insulation Class | Class A |
| Quality | 100% Tested | Shape | Rectangle |
| Winding Material | Cooper/Aluminum | Voltage Ratio | 0.69/11KV |
| Brand Name | HENTG POWER | Model Number | 500KVA-0.69KV/11KV |
| Certification | CE | Place of Origin | China |
The High Efficiency 3 Phase Pad Mounted 500KVA Transformer is specifically engineered for renewable energy systems, utility distribution networks, commercial infrastructure, and industrial power applications. Designed with a compact tamper-resistant enclosure and high-performance insulation system, this transformer provides reliable voltage transformation from 0.69KV low-voltage inverter output to 11KV medium-voltage grid connection.
Built for harsh outdoor environments, the transformer features superior thermal management, corrosion-resistant construction, overload capability, and enhanced safety protection. It is particularly suitable for solar PV plants located in high-temperature regions such as the Middle East, Southeast Asia, Africa, Australia, and Latin America.
With customizable voltage ratings, impedance levels, cooling systems, and enclosure configurations, HENGTONG POWER delivers tailored transformer solutions that maximize operational reliability and minimize lifecycle costs.
Designed specifically for stepping up inverter output voltage to utility grid levels, ensuring stable renewable energy transmission.
Utilizes premium cold-rolled grain-oriented silicon steel to reduce no-load losses and improve overall energy efficiency.
Special cooling design and high-grade insulating oil maintain reliable operation even in ambient temperatures exceeding 50°C.
Equipped with pressure relief devices, oil level indicators, temperature monitoring systems, and fault protection mechanisms.
Heavy-duty enclosure with anti-corrosion coating suitable for coastal, desert, tropical, and industrial environments.
Available with customized voltage ratings, capacity ranges, vector groups, protection schemes, and enclosure configurations according to project requirements.
| Parameter | Specification |
|---|---|
| Product Type | 3 Phase Pad Mounted Transformer |
| Rated Capacity | 500KVA |
| Primary Voltage | 11KV (Customizable) |
| Secondary Voltage | 0.69KV (Customizable) |
| Frequency | 50Hz / 60Hz |
| Phase | Three Phase |
| Cooling Method | ONAN |
| Insulation Class | Class A / Custom Available |
| Vector Group | Dyn11 / Yyn0 / Customized |
| Tap Changer | Off-Circuit Tap Changer |
| Impedance Voltage | Customized (Typically 4%-8%) |
| Temperature Rise | ≤65K |
| Insulation Oil | Mineral Oil / FR3 Natural Ester Oil |
| Noise Level | Low Noise Design |
| Enclosure Type | Tamper Resistant Pad Mounted Cabinet |
| Protection Level | IP54 / IP55 Optional |
| Core Material | CRGO Silicon Steel |
| Winding Material | Copper / Aluminum |
| Ambient Temperature | -40°C to +55°C |
| Altitude | ≤1000m (Custom Higher Altitude Available) |
| Protection Devices | Pressure Relief Valve, Oil Level Gauge, Temperature Indicator |
| Standards | IEC 60076, ANSI, IEEE, CSA |
| Service Life | 25+ Years |
| Application | Solar Farms, Wind Farms, Utilities, Industrial Plants |
Many countries in the Middle East, Africa, Southeast Asia, and Latin America face extreme operating conditions that significantly affect transformer performance and lifespan.
Ambient temperatures frequently exceed 45°C–55°C, causing accelerated insulation aging and overheating.
Electrical faults, insulation breakdown, and oil overheating may increase fire hazards.
Dust accumulation affects cooling efficiency and electrical insulation.
Salt spray corrosion reduces enclosure lifespan and impacts electrical reliability.
Renewable energy projects require uninterrupted operation and low maintenance costs.
A: Yes. Our pad mounted transformers can be specially designed for ambient temperatures up to 55°C or higher, incorporating enhanced cooling systems, premium insulation materials, and customized thermal calculations.
A: Yes. We offer both conventional mineral oil and FR3 natural ester fluid. FR3 provides superior fire safety, environmental protection, and longer insulation life.
A: Absolutely. We provide fully customized primary and secondary voltage configurations to match inverter outputs and utility grid requirements.
A: Our transformers can be manufactured according to IEC 60076, ANSI, IEEE, CSA, and local utility standards depending on project specifications.
A: Yes. We regularly support EPC companies, solar developers, utility contractors, and industrial power projects worldwide with customized transformer solutions.
A: Under proper operating conditions and routine maintenance, the transformer is designed for a service life exceeding 25 years.
Modern production lines equipped with precision winding machines, vacuum drying systems, automated core cutting equipment, and advanced testing laboratories.
Every transformer undergoes comprehensive routine, type, and special testing procedures before shipment to ensure compliance with international standards.
Our engineering team provides tailored transformer designs based on voltage levels, environmental conditions, grid requirements, and project specifications.
Serving customers across Southeast Asia, the Middle East, Africa, Europe, Oceania, and the Americas in utility, renewable energy, mining, infrastructure, and industrial sectors.
Technical consultation, installation guidance, commissioning assistance, and long-term maintenance support help ensure maximum project success.
Extensive experience supporting solar PV plants, wind farms, battery energy storage systems (BESS), and smart grid infrastructure projects.
HENGTONG POWER is committed to delivering safe, efficient, reliable, and customized transformer solutions that power the future of global electrification.
HENGTONG POWER Official Website
HENGTONG POWER is a professional transformer manufacturer specializing in customized power distribution and transmission solutions for global energy infrastructure projects. With years of manufacturing expertise and a strong engineering team, we provide high-performance transformers designed to meet the diverse requirements of utility companies, EPC contractors, renewable energy developers, industrial facilities, and electrical distributors worldwide.
Our product portfolio includes:
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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