Electrical Specifications

Precision Characteristics

Measurement Accuracy

• Ratio Error: ≤±1.5%

• Dielectric Loss: ≤0.5% @20°C

• Phase Error: ≤0.05°

Frequency Performance

• Low-Freq (20Hz): Derate 5% below 50Hz

• High-Freq (300Hz): Max ΔT=40°C

• Capacitance Stability: ±2% full range

Mechanical Design

• Insulation System:

• Epoxy-oilpaper composite tube

• 4-layer capacitive grading

• Wall thickness: 32mm

• Dimensions: Ø350×1800mm

• Weight: ≈350 kg (operational)

• Mobility:

• 4× industrial casters (300kg capacity)

• Quick-release base with transport locks

Installation & Operation

1. Clearance Requirements:

• 3.8m minimum to ground

• 2.2m vertical clearance

2. Measurement Setup:

• Use 30kV-rated triaxial measurement cable

• For two-stage: match cable lengths within 0.4m

3. Frequency Adaptation:

• Below 50Hz: Reduce voltage by 1%/Hz

• Above 150Hz: Limit to 90% rated voltage

Certification & Maintenance