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Electro-Pneumatic Drive for 220/132KV Isolator
Technical Description:
The electro-pneumatic drive for 220/132KV isolators is an advanced actuator system designed to provide efficient and reliable operation in high-voltage switchgear applications. Combining electrical control with pneumatic actuation, this drive ensures smooth, precise, and rapid isolator operation while minimizing mechanical wear and maintenance. It is equipped with high-performance solenoid valves, pressure regulators, and a fail-safe mechanism to ensure secure isolation under all operating conditions. Built for harsh outdoor environments, it features a weatherproof enclosure, corrosion-resistant components, and compliance with IEC and ANSI standards.
Voltage Rating:220KV / 132KV
Control System: Electro-pneumatic with solenoid valve actuation
Operating Pressure: 6 - 10 bar
Response Time:<1 second
Enclosure Protection:IP65/IP66-rated weatherproof housing
Mechanical Endurance: >10,000 operations
Operating Temperature: -40°C to +60°C
Fail-Safe Feature:Spring return mechanism for emergency operation
Standards: IEC 62271-102, ANSI C37.30
### **Electro-Pneumatic Drive for 220/132KV Isolator**
#### **Technical Overview:**
The electro-pneumatic drive is a high-performance actuator system designed for operating 220KV and 132KV isolators in high-voltage switchgear applications. It integrates electrical control with pneumatic actuation to ensure smooth, precise, and rapid isolator operation while reducing mechanical stress and increasing system longevity. This drive is specifically engineered for outdoor installations, where reliability, durability, and minimal maintenance are critical.
#### **Key Design Features:**
- **Hybrid Actuation:** Combines electrical control with pneumatic force for efficient and controlled motion.
- **Fail-Safe Operation:** Equipped with a spring-return mechanism to ensure automatic isolation during power or pressure loss.
- **High-Speed Response:** Operates within **<1 second**, enabling quick switching for emergency and normal operations.
- **Corrosion-Resistant Construction:** Built using galvanized steel or stainless steel with weatherproof coatings, suitable for harsh environments.
- **Advanced Control System:** Integrates with SCADA, remote control, and automation systems for intelligent operation.
#### **Technical Specifications:**
- **Voltage Rating:** 220KV / 132KV
- **Operating Pressure:** 6 - 10 bar (adjustable)
- **Control System:** Electro-pneumatic with high-speed solenoid valve actuation
- **Enclosure Protection:** IP65/IP66-rated weatherproof and dustproof housing
- **Mechanical Endurance:** >10,000 operation cycles
- **Operating Temperature Range:** -40°C to +60°C
- **Lubrication System:** Self-lubricating components for minimal maintenance
- **Position Indication:** Integrated mechanical and electrical position feedback for monitoring
- **Compliance:** IEC 62271-102, ANSI C37.30
#### **Applications:**
- High-voltage substations
- Transmission and distribution networks
- Smart grid and automation systems
- Remote and unmanned switching stations
The electro-pneumatic drive enhances the efficiency and safety of isolator operations by reducing manual intervention, enabling remote control, and ensuring reliable performance in critical high-voltage applications.
