Operating Modes

Technical Specifications

Electrical

• Frequency: 50Hz ±0.5%

• Capacity: 2000kVA

• THD: ≤1% (IEC 61000-4-7)

Performance

• Q Factor: >30

• Noise Level: ≤75dB at 1m

• PD Level: <2pC @100% U_H

Reliability Features

Overload Capability

• Current: 110% for 300s (36.6A/22A)

• Voltage: 110% for 60s (66kV/110kV)

Thermal Management

• Winding ΔT: ≤65K (IEC 60076-2)

• Oil ΔT: ≤55K

• Duty Cycle: 1h ON/3h OFF (3×/day)

Engineering Design

Core Components

• Adjustment System: Stepless inductance control (15:1 ratio)

• Frame Material: 1Ni18Cr9Ti non-magnetic stainless steel

• Noise Control: Double lead screw mechanism

Enclosure

• Pressure Test: 20kPa (GB/T 7354)

• Seals: Aviation-grade acrylate (MIL-R-25988)

• Coating: Sky blue epoxy (ISO 12944 C4)

Standards Compliance

• IEC 60060-1 (High-voltage testing)

• IEC 60270 (Partial discharge measurement)

• IEEE C57.12.90 (Temperature rise limits)