75kVA To 5000kVA 3-Phase Pad Mounted Transformers
Rated Capacity :75kVA-5000kVA
Complete set strength.
Small floor space.
Short installation period.
Safe and reliable operation.
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 75kva to 5000kva 3-phase pad mounted transformers in China, also supports customized service with low price. Welcome to buy discount 75kva to 5000kva 3-phase pad mounted transformers for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
Products Description
75kVA to 5000kVA 3-Phase Pad Mounted Transformers is an efficient and reliable ground-mounted transformer series, widely used in industrial, commercial, and residential power distribution. Supporting three-phase power transmission, the capacity ranges from 75kVA to 5000kVA, meeting various power needs across different scenarios. Featuring a compact design, high durability, excellent energy-saving performance, and strong environmental adaptability, it offers multiple voltage options to ensure stable and reliable power supply, making it an ideal choice for modern power systems.
Video
Products parameter
|
Rated Capacity |
75kVA-500kVA |
500kVA-2500kVA |
2500kVA-5000kVA |
Reference standard/Explanation |
|
Voltage Level |
75-500kVA |
500-2500kVA |
2500-5000kVA |
- |
|
Tap-changing Method |
High-pressure side：6kV/10kV/36kV |
High-pressure side：10kV/35kV |
High-pressure side：35kV/66kV |
The low-voltage side is usually 400V/690V (customized according to application requirements). |
|
Connection Group Number |
Excitation voltage regulation(±2×2.5%) |
No-excitation/on-load tap changer |
On-load tap changer (optional) |
The voltage regulation range and method are adjusted according to different models. |
|
Insulation Thermal Class |
Dyn11 |
Dyn11/Yyn0 |
YNd11/Dyn11 |
Common configurations ensure phase compatibility and harmonic suppression. |
|
Cooling Method |
F class (155℃) |
F class /H class(180℃) |
H class(180℃) |
High-temperature insulation materials enhance overload capacity. |
|
No-load Loss (Typical Value) |
AN(Natural cooling) |
AN/AF(Natural + forced air cooling) |
AF(Forced air cooling)/OFWF(Oil immersed water cooled) |
Heat dissipation design adapts to different load requirements. |
|
Load Loss (Typical Value) |
75kVA: 170W |
1000kVA: 1800W |
3000kVA: 6000W |
Complies with GB 20052-2020 Energy Efficiency Level 1 (such as SCB18 dry-type transformer, S22 oil-immersed transformer). |
|
Short-circuit Impedance |
75kVA: 1450W |
1000kVA: 10500W |
3000kVA: 30000W |
Based on copper winding or aluminum winding design, loss optimization. |
|
Noise Level |
4%-6% |
6%-8% |
8%-12% |
Customized according to system short-circuit current levels. |
|
Protection Class |
≤55dB(A)(75kVA) |
≤70dB(A)(2500kVA) |
≤75dB(A)(5000kVA) |
Adopts low-noise magnetic core and noise reduction structure. |
|
Weight (Reference) |
IP23(Outdoor type) |
IP23/IP44 |
IP54(Dustproof and waterproof) |
Pre-assembled enclosure design adapts to outdoor environments. |
|
Rated Capacity |
75kVA: 500kg |
1000kVA: 2500kg |
3000kVA: 6000kg |
Modular design optimizes volume and weight. |
Product Introduction of 3-Phase Pad-Mounted Transformers
Core Advantages
1.High Reliability and Stability
Pad Mounted Transformers utilize an F/H insulation system (up to 155°C/180°C) combined with oil-immersed self-cooling technology, ensuring stable operation under long-term full-load or overload conditions. With an IP23 to IP54 enclosure protection rating, the dust/waterproof design withstands industrial dust, salt mist, and harsh weather, enabling reliable outdoor deployment.
2.Energy Efficiency and Low Losses
Aluminum/copper windings and optimized electromagnetic design result in lower no-load losses and load losses compared to national standards, complying with energy efficiency ratings. Long-term use significantly reduces energy costs.
3.Flexible Adaptability
Customizable voltage configurations (e.g., 600V/400V, 2400V/230V) meet diverse grid requirements. The capacity range of 75kVA to 5000kVA suits power distribution needs for small/medium factories to large industrial zones, offering broad application flexibility.
4.Compact Installation and Easy Maintenance
The pad-mounted design minimizes space requirements. DIN-standardized connection terminals simplify wiring, while optional wheels or bases on the base unit facilitate mobility and maintenance, reducing installation costs.
Key Application Scenarios
1.Industrial Power Distribution
Widely deployed in steel, chemical, and manufacturing plants as a medium-to-low voltage distribution solution. Supports workshop power systems, production line equipment, and backup power supply.
2.Commercial and Infrastructure Use
Ensures reliable power conversion/distribution for commercial buildings, data centers, hospitals, and other critical infrastructure requiring high uptime.kå 3.Outdoor and Harsh Environments
Equipped with anti-contamination design, it operates effectively in coastal areas, dusty regions, or high-humidity zones (e.g., ports, mining sites).
4.Renewable Energy Integration
Facilitates grid connection for solar and wind power stations, enabling efficient energy conversion and integration into the power network.
5.Urban Grid Modernization
Acts as a critical node in distribution networks, supporting old residential area renovation, smart grid upgrades, and power capacity expansions.
We can also provide the following transformer products:
30-2500KVA/10KV Laminated core distribution transformer
30-2500KVA Power transformer
30-2500KVA Power transformer(Three-phase oil-immersed power transformer)
30-2500KVA/10KV Oil-immersed three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA/10KV Epoxy resin cast dry-type transformer
30-2500KVA/10KV Three-phase resin cast insulated dry type power transformer
30-2500KVA Epoxy resin cast dry-type transformer
30-2500KVA/10KV Epoxy resin cast dry-type transformer
30-2500KVA Dry-type three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA/10KV Dry-type three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA Amorphous alloy dry-type transformer
30-3200KVA Rectifier transformer
6300-42200KVA Three-phase oil-immersed power transformer
800-31500KVA/35KV Oil-immersed power transformer
100-1600KVA Combined transformer
380V Communication Low Voltage Distribution Cabinet
Pre-assembled substation (European style) ,etc.
SGS certification certificate
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