SGOB Effective Heat Dissipation 100 kVA Distribution Transformer China supply export is engineered for stable thermal control under continuous load. With optimized oil circulation cooling and low-loss silicon steel core, it ensures efficient heat management, reduced energy waste, and reliable operation for commercial and industrial power networks.
SGOB Effective Heat Dissipation 100 kVA Distribution Transformer Exporter is engineered with a practical field-operation mindset, emphasizing temperature behavior, load adaptability, and long-cycle stability rather than laboratory-only performance data.
In many standard distribution transformers, heat is mainly managed through basic oil convection without optimized internal flow paths. This often leads to localized temperature rise under continuous load.
SGOB improves this by focusing on heat path optimization:
- Reduces stagnant oil zones inside tank structure
- Enhances directional oil flow inside winding channels
- Improves coil-to-oil heat transfer efficiency
- Controls hotspot formation under long-duration load
- Stabilizes temperature rise curve instead of short-term peak control
Compared with conventional models, the key improvement is not "more cooling," but more controlled thermal distribution.

SGOB Effective Heat Dissipation 100 kVA Distribution Transformer is designed based on real installation environments such as commercial buildings, small factories, and outdoor substations.
Structural highlights:
- Reinforced winding support to reduce deformation under thermal expansion
- Optimized coil spacing to improve oil penetration
- Mechanical locking system to reduce vibration-induced displacement
- Tank structure designed for consistent convection circulation
- Improved sealing stability to prevent moisture-related thermal aging
This structure targets long-term field reliability rather than short-term test performance.
Instead of only increasing cooling capacity, SGOB reduces heat at the source of generation.
Engineering approach:
- High-permeability silicon steel reduces magnetizing current loss
- Copper winding layout minimizes resistance heating
- Step-lap core structure improves flux distribution balance
- Reduced harmonic heating under variable load conditions
- Lower eddy current loss through optimized lamination processing
This "reduce heat first, then dissipate" strategy improves efficiency more effectively than cooling-only upgrades.
Compared with dry-type or basic ventilated transformers, oil immersion brings clear thermal advantages:
SGOB oil-immersed system advantages:
- Oil acts as both insulation and heat transfer medium
- Faster heat spreading compared to air cooling systems
- More stable temperature under peak load cycles
- Better overload tolerance in short-time high demand
- Lower risk of insulation breakdown due to temperature spikes
This makes it more suitable for unstable or fluctuating load environments.
Material engineering plays a key role in heat dissipation performance:
- Core material: low-loss grain-oriented silicon steel
- Conductor: oxygen-free copper with stable resistivity under heat
- Insulation: oil-paper composite system with thermal endurance
- Sealing: anti-aging rubber to maintain internal pressure stability
- Structural steel: reinforced tank body for heat and pressure balance
All materials are verified through incoming inspection aligned with ISO9001 system control.
| Model | Capacity (kVA) | HV (kV) | LV (kV) | No-load Loss (kW) | Impedance (%) | Weight (kg) | Dimension (mm) |
| S11-M-50/10 | 50 | 6–20 | 0.4 | 0.13 | 4 | 420 | 800×490×1000 |
| S11-M-80/10 | 80 | 6–20 | 0.4 | 0.18 | 4 | 540 | 870×510×1130 |
| S11-M-100/10 | 100 | 6–20 | 0.4 | 0.20 | 4 | 605 | 890×520×1140 |
| S11-M-160/10 | 160 | 6–20 | 0.4 | 0.27 | 4 | 790 | 1110×580×1170 |
SGOB Effective Heat Dissipation 100 kVA Distribution Transformer is suitable for users who require stable long-hour operation with minimal temperature fluctuation.
Typical application environments:
- Retail and commercial electricity distribution systems
- Small manufacturing and processing workshops
- Urban residential transformer stations
- Light industrial automation facilities
- Infrastructure auxiliary power systems
- Mixed-load environments with frequent load variation
Its thermal stability design is especially beneficial in environments with high ambient temperature or limited ventilation.
Most conventional transformers rely mainly on passive oil circulation without optimized internal flow architecture, which can create uneven temperature distribution.
SGOB improves this by focusing on three real operational gaps:
- Uneven heat distribution inside winding structures
- Slow heat transfer under continuous high load
- Insufficient thermal stability during load fluctuation
100 kVA Distribution Transformer addresses these issues by redesigning internal oil flow paths and reinforcing heat transfer consistency, rather than simply increasing material thickness or tank size.
SGOB is manufactured by Shanghai Industry Transformers Co., Ltd., with integrated production capability:
- 40,000 m² modern production base
- CNC silicon steel cutting and stacking lines
- Automated coil winding and vacuum drying systems
- Electrical performance testing laboratories
- Full compliance with IEC60076 and GB1094 standards
The company focuses on stable mass production for global infrastructure projects rather than isolated custom units.
Each unit of 100 kVA Distribution Transformer undergoes multi-stage validation:
- Temperature rise testing under full load conditions
- Oil circulation efficiency verification
- Insulation strength and dielectric testing
- Short-circuit mechanical stress evaluation
- Loss measurement (no-load and load loss)
This ensures consistent thermal behavior before shipment.
SGOB Effective Heat Dissipation 100 kVA Distribution Transformer is positioned as a thermal-stability optimized distribution solution. Instead of relying on conventional cooling assumptions, it improves internal heat flow control, reduces loss-driven heating, and enhances temperature uniformity, making it suitable for long-term commercial and industrial power distribution systems requiring stable operation and reduced maintenance dependency.

