Dual-Voltage Operation

Technical Parameters

Electrical

• Capacity: 600kVA ±1%

• Frequency: 50Hz ±0.5%

• Waveform THD: ≤1%

Performance

• Inductance Range: 1:15 adjustable

• Q Factor: ≥12

• PD Level: <20pC @100kV

Reliability Engineering

Overload Capability

• Current: 6.6A (110%) for 300s

• Voltage: 110kV for 60s

Thermal Management

• Winding ΔT: ≤65K (IEC 60076-2)

• Oil ΔT: ≤55K (25# mineral oil)

• Duty Cycle: 1h ON/1h OFF (8×/day)

Structural Design

Core Components

• Adjustment System: Motorized air gap with 1Ni18Cr9Ti stainless rails

• Noise Control: Double lead screw (≤65dB at 1m)

• Insulation: Epoxy-glass reinforced tubes

Enclosure

• Pressure Rating: 20kPa tested (GB/T 7354)

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

• Coating: Sky blue epoxy (ISO 12944 C4)

Certifications

• IEC 60060-1 (High-voltage test techniques)

• IEC 60270 (Partial discharge measurements)

• GB/T 16927.1 (Lightning impulse withstand)