HGTS 325KV/162.5KVA SF6 Gas Insulated Test Transformer

Engineered for demanding high-voltage testing scenarios, this advanced SF6-insulated transformer delivers precision performance with dual-voltage flexibility and comprehensive safety monitoring.

Key Technical Specifications

• Rated Capacity: 162.5kVA

• Voltage Configuration: Dual-range output (162.5KV/325KV)

• Current Ratings: LV: 2×135.4A / HV: 0.5A

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

• Waveform Accuracy: <3% deviation

Dual-Voltage Operation System

Serial Connection (Precision Mode)

• Output: 162.5KV/0.5A

• Ideal for extended duration tests

• Optimal for partial discharge measurements

Parallel Connection (High Voltage Mode)

• Output: 325KV/0.5A

• Maximum voltage capability

• For insulation withstand testing

Advanced Performance Features

Specialized Load Cycling Capabilities

Standard Test Cycles

• 800pF load: 275KV, 15min on/15min off (8 cycles/day)

• 2000pF load (high): 275KV, 2min on/15min off (8 cycles/day)

• 2000pF load (low): 145KV, 15min on/15min off (8 cycles/day)

Integrated Safety Systems

Current Monitoring Protection

• 5/5 CT supervision on HV terminal

• Real-time earth current monitoring

• Operator safety guarantee system

Surge Protection

• 0.6kV surge arrestors on exciting winding

• Withstands 3×275KV discharge tests

• Damping resistor protection

Laboratory & Industrial Applications

• High-voltage cable testing

• Transformer factory acceptance tests

• Partial discharge research

• Insulation material development

• Electrical component endurance testing

Operational Guidelines

For optimal performance and transformer longevity:

• Adhere strictly to specified load cycling times

• Monitor SF6 pressure before each test series

• Verify CT monitoring system functionality

• Allow proper cooling between test cycles