Advanced Iron-Core Design

Single-phase iron-shell reactor with ONAN cooling and configurable capacity. Critical features:

• Multi-tap Configuration: 6-position capacity adjustment (210kVA to 1260kVA) via bushing terminals

• ONAN Cooling: Oil Natural Air Natural cooling for efficient thermal management

• Compact Dimensions: 1650×1200×1900mm (L×W×H)

• Lightweight Construction: Total weight <2600kg

Electrical Specifications

Performance & Safety Standards

Overload Capabilities

• Over-current: 120% rated current for 300 seconds (no thermal damage)

• Thermal Stability: Winding temperature rise ≤65K, oil surface ≤55K

Insulation Integrity

• Partial Discharge: ≤5pC at 100% rated voltage

• Withstand Voltage: 10kV/min terminal-to-ground (no discharge)

• Full insulation protection

Operational Advantages

1. Power Supply Optimization: Reduces required power supply capacity by 40-60% when compensating test transformers

2. Precision Control: Six-step capacity adjustment enables exact load matching

3. Low Maintenance: Sealed ONAN cooling system eliminates external cooling requirements

4. Space Efficiency: Compact footprint for substation installations

Industrial Applications

Optimized for high-voltage testing environments:

• Test transformer power factor correction

• High-voltage laboratory compensation systems

• Transformer manufacturing test benches

• Power equipment certification facilities

• Research & development centers