SGOB Distributed Solar Photovoltaic Power Transformer 250kVA, China manufacturer for distributed PV projects. Equipped with oil-immersed insulation and reinforced structures, it supports stable voltage conversion and long outdoor service. Optimized for fluctuating solar power compared with ordinary transformers.
Distributed Solar Photovoltaic Power Transformer 250kVA, manufactured, supplied and exported by Shanghai Industrial Transformer Co., Ltd., solves core challenges unique to photovoltaic projects. Solar power’s volatile output, year-round outdoor exposure and strict grid synchronization standards create harsher operating conditions than ordinary industrial transformers are designed to endure. This custom-engineered unit delivers superior steady performance tailored for PV grid-connected systems.
Unlike stable industrial loads, photovoltaic power generation is highly variable due to:
Traditional distribution transformers are not fully optimized for these dynamic conditions, which may lead to efficiency loss or thermal stress under fluctuating input.
The SGOB Distributed Solar Photovoltaic Power Transformer 250kVA is engineered with a PV-adaptive design philosophy focused on stability under variable input conditions.
Key electrical design features:
This ensures stable energy conversion from inverter output to grid distribution.
Based on real photovoltaic operating conditions, this transformer provides:
Solar power systems often operate under long daily cycles with continuous load variation. The oil-immersed design provides:
This makes the transformer suitable for both utility-scale and distributed PV installations.
PV transformers are typically installed in open environments such as solar farms or rooftop substations.
SGOB structural design includes:
These features improve long-term durability in outdoor renewable energy sites.
| Item | Specification |
|---|---|
| Rated Capacity | 250 kVA |
| Transformer Type | Oil-immersed photovoltaic distribution transformer |
| Application | Distributed solar PV systems |
| Core Material | Cold-rolled silicon steel sheet |
| Winding Material | Oxygen-free copper wire |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation System | Oil-immersed high-strength insulation |
| Operating Environment | Outdoor / Solar farms / Rooftop substations |
| Loss Optimization | Low no-load and load loss design |
| System Compatibility | PV inverter grid-connected systems |
SGOB applies strict material standards including controlled magnetic loss silicon steel, oxygen-free copper with stable conductivity, and high-quality sealing rubber for long-term oil containment. All materials are inspected under standardized quality control procedures before production.
Each Distributed Solar Photovoltaic Power Transformer 250kVA undergoes electrical performance testing under simulated load conditions, partial discharge testing using HAEFLY equipment, and harmonic/power quality analysis before shipment to ensure stable performance in renewable energy grid applications.
The Distributed Solar Photovoltaic Power Transformer is widely used in:
Its design supports fluctuating power generation patterns typical of solar energy systems.
| Performance Factor | Conventional Transformer | SGOB PV Transformer 250kVA |
|---|---|---|
| Load Profile Adaptation | Stable load optimized | Variable PV load optimized |
| Thermal Behavior | Standard oil cooling | Enhanced long-cycle thermal stability |
| Grid Compatibility | General distribution use | PV inverter compatible design |
| Outdoor Operation | Basic protection level | Reinforced sealing + structure |
| Efficiency Under Fluctuation | Moderate | Optimized for variable input |
SGOB photovoltaic transformers are deployed in renewable energy projects across Africa, Asia-Pacific, and CIS regions, including solar infrastructure in Nigeria, Kenya, India, Vietnam, Philippines, Kazakhstan, and Russia. These regions require high adaptability to unstable solar irradiance and grid conditions.
Q1: Why does photovoltaic power need a specialized transformer?
Unlike stable industrial loads, PV output fluctuates with irradiance, clouds, and temperature. Standard distribution transformers are not fully optimized for these dynamic conditions, which may lead to efficiency loss or thermal stress.
Yes. Distributed solar systems often experience reverse power flow conditions, and this transformer is designed for grid-connected PV applications requiring bidirectional energy flow.
Yes. The reinforced sealing and compact design make it suitable for outdoor environments including rooftop substations and solar farms.
The main difference is optimization for fluctuating solar output, long daily duty cycles, and outdoor renewable energy environments rather than steady industrial loads.
Distributed Solar Photovoltaic Power Transformer 250kVA is developed specifically for renewable energy infrastructure where load variability and environmental exposure are key challenges. By integrating PV-adaptive electrical design, oil-immersed thermal stability, and reinforced structural reliability, SGOB delivers a transformer solution tailored for modern solar power generation systems requiring long-term stable grid integration.
Shanghai Industrial Transformer Co., Ltd. (SGOB), established in 2007, operates a 40,000 sqm production facility with over 200 employees, including 46 engineering professionals. The company manufactures oil-immersed transformers, dry-type transformers, wind power transformers, photovoltaic substations, and distribution systems under ISO9001, ISO14001, and OHSMS18000 certified management systems.
