Coupling Capacitor Voltage Transformers (72–800kV )

Property Specification

Type: High-Voltage Coupling Capacitor Voltage Transformer / CVTs (72 kV to 800 kV)

Features: Engineered for phase-to-ground connection in high-voltage grids featuring solid or insulated neutral grounding arrangements, this single-phase CVT covers voltage ratings spanning 72 kV to 800 kV. Manufactured via automated assembly techniques, its capacitive element structure features an optimized mixed dielectric medium that minimizes internal dielectric stress while maintaining exceptional operational stability under severe thermal fluctuations. The platform is constructed for long-term field endurance across extreme climate zones, operating reliably from arid desert environments to polar arctic conditions.

Applications: Tariff and utility revenue metering, system protection and relaying, real-time power flow control and load indication, and Power Line Carrier (PLC) high-frequency telecommunication coupling.

Description

Key Technical Performance Specifications

Technical Parameter / Specification Unit Specification Rating / Capability
Deployment / Environment Outdoor
Structural Architecture / Construction Capacitor Type (IEC Standard Compliant)

Dielectric Insulation System

• Capacitor Voltage Divider (CVD)

• Electromagnetic Unit (EMU)

Aluminum-Foil / Paper / Polypropylene-Film with Synthetic Oil

Paper-Insulated with Mineral Oil

Rated Maximum System Voltage kV 72 – 800
Rated Voltage Factor (Vf) Up to 1.9 / 8 h
External Insulator Material Porcelain / Silicone Rubber
Specific Creepage Clearance mm/kV > 25 (Extended distances available upon request)
Operating Ambient Temperature Limits °C -40 to +40 (Others available upon request)
Standard Installation Altitude m ≤1000 (Others available upon request)