Voltage Operating Modes

Technical Parameters

Electrical

• Frequency: 60Hz ±0.5%

• Capacity: 1800kVar

• THD: ≤1% (IEC 61000-4-7)

Performance

• Q Factor: >30

• Adjustment Range: 15:1 inductance ratio

• Insulation: 25# oil (IEC 60296)

Reliability Features

Dielectric Strength

• Withstand Voltage: 110% rated for 1min

• Temperature Rise:

• Winding: ≤65K

• Oil: ≤45K (improved thermal performance)

Operational Limits

• Duty Cycle: 1h ON/1h OFF (4×/day)

• Cooling: ONAN (Oil Natural Air Natural)

Engineering Design

Adjustment System

• Control: Electric stepless adjustment

• Material: 1Ni18Cr9Ti non-magnetic stainless

• Noise: Double lead screw (≤75dB)

Enclosure

• Pressure Test: 20kPa (GB/T 7354)

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

• Coating: Sky blue epoxy (ISO 12944 C4)

Standards Compliance

• IEC 60060-1 (High-voltage testing)

• IEC 60270 (Partial discharge)

• IEEE C57.12.90 (Temperature rise)