Electrical Specifications

Precision Performance

Measurement Accuracy

• Ratio Error: ≤±1.5%

• Dielectric Loss: ≤0.5% @20°C

• Phase Error: ≤0.04°

Frequency Characteristics

• Capacitance Stability: ±2% full range

• Low-Frequency (20Hz): 90% rated voltage

• High-Frequency (300Hz): 85% rated voltage

Mechanical Construction

• Insulation System:

• Epoxy-oilpaper composite tube

• 5-layer capacitive grading

• 35mm wall thickness

• Dimensions: Ø380×1850mm

• Weight: ≈360 kg (operational)

• Mobility Features:

• 4× heavy-duty casters (400kg capacity)

• Quick-disconnect base mechanism

• Transport security locks

Installation Protocol

1. Site Requirements:

• 4m minimum clearance to ground

• Level surface within ±1°

2. Measurement Setup:

• Use 35kV-rated double-shielded cable

• For two-stage: phase match within 0.3°

3. Frequency Adaptation:

• 20-49Hz: V = 132kV × (f/50)

• 150-300Hz: Derate 0.5%/10Hz

Certification & Maintenance