Introduction to PINEELE GTXGN-12 Fémezett kapcsolóberendezések
A PINEELE GTXGN-12 Metal-Clad Switchgear is a medium voltage switchgear system designed for indoor three-phase AC 50/60Hz power networks with a rated voltage of up to 12kV. Engineered to meet the growing needs of modern electrical infrastructure, this metal-clad switchgear offers a compact, modular, and safe solution for energy distribution in power stations, industrial zones, commercial buildings, and renewable energy applications.
Conforming to international standards such as IEC 62271-200 és GB3906, a GTXGN-12 Fémburkolatú kapcsolóberendezések utilizes vacuum circuit breakers, gas-tight compartments, és fully metal-enclosed bus systems. This makes it an ideal choice where space-saving, personnel safety, és reliable service continuity are crucial.
Key Features of PINEELE GTXGN-12 Metal-Clad Switchgear
Fully Metal-Enclosed Structure
- Each functional unit (breaker, busbar, cable, control) is sealed and independently isolated.
- High-level arc-proof construction and IP4X/IP2X protection for personnel safety.
Flexible and Modular Configuration
- Designed for both single bus és double bus systems with optional bypass schemes.
- Handcart-based withdrawable modules for easy maintenance and inspection.
High Dielectric and Mechanical Strength
- Advanced vacuum breaking technology ensures long service life and reduced arc erosion.
- Tested for short-circuit withstand, dielectric strength, and partial discharge immunity.
Enhanced Safety with Interlocks
- Integrated mechanical and electrical interlocks to prevent access during live operation.
- Prevents circuit breaker racking, grounding switch misuse, and door opening under load.
Műszaki specifikációk
| Tétel | Egység | GTXGN-12 |
|---|---|---|
| Névleges feszültség | kV | 12 |
| Névleges frekvencia | Hz | 50 / 60 |
| Névleges áram | A | 630 / 1250 / 1600 / 2000 / 2500 |
| Névleges rövidzárlatos megszakító áram | kA | 20 / 25 / 31.5 |
| Rated Short-Circuit Making Current (Peak) | kA | 50 / 63 / 80 |
| Rated Short-Time Withstand Current | kA | 20 / 25 / 31.5 (4s) |
| Rated Peak Withstand Current | kA | 50 / 63 / 80 |
| Lightning Impulse Withstand Voltage | kV | 75 / 95 (phase/ground) |
| Teljesítmény Frequency Withstand Voltage | kV | 42 (1 min) |
| Védelmi fokozat | - | IP4X (enclosure), IP2X (compartments) |
| Mechanical Life (Circuit Breaker) | Times | 10,000 – 20,000 |
| Környezeti hőmérséklet | ℃ | -15 to +40 |
| Magasság | m | ≤1000 (custom available) |
| Páratartalom | % | ≤95% RH |
| Installation Type | - | Indoor |
| Cabinet Size (WxDxH) | mm | 800 × 1500 × 2300 (varies by config) |
Construction Overview
A PINEELE GTXGN-12 Metal-Clad Switchgear is composed of:
- A. Circuit Breaker Compartment
Houses the withdrawable vacuum circuit breaker unit (VS1 or equivalent). - B. Busbar Compartment
Located at the top, fully metal-encapsulated and insulated for high safety. - C. Cable Compartment
Located at the bottom with ample space for terminals, CTs, and surge arresters. - D. Instrument Compartment
Mounted on the front with control relays, meters, and communication terminals.
Advantages of PINEELE GTXGN-12 Metal-Clad Switchgear
- Safe & Sealed Compartments
Metal partitions eliminate arc propagation and enhance operator safety. - Withdrawable Mechanism
Removable breaker trolley for quick replacement and maintenance. - Smart Monitoring Ready
Compatible with SCADA/DCS and equipped with auxiliary contacts and sensors. - Low Maintenance Requirements
Uses maintenance-free vacuum interrupters and dust-sealed compartments. - Customizable Design
Supports local standards, custom busbar designs, and various relay types.
Working Principle and Operation
A GTXGN-12 Fémburkolatú kapcsolóberendezések receives medium-voltage power from incoming feeders and distributes it through outgoing lines via vacuum circuit breakers. Real-time monitoring, remote control, and interlocks ensure that power is reliably switched without exposing operators to live components.
A main breaker handcart can be moved between service, test, and disconnected positions while the switchgear remains energized, ensuring maximum uptime with minimum risk.
Application Benefits
Deploying the PINEELE GTXGN-12 Metal-Clad Switchgear results in:
- Reduced energy losses from partial discharge and poor power factor
- Improved maintenance cycles with modular and easy-access design
- Flexible network configurations including looped and radial grids
- Support for distributed generation, renewable integration, and microgrids
Gyakran ismételt kérdések (GYIK)
1. What’s the difference between metal-clad and metal-enclosed switchgear?
Metal-clad switchgear has each live component enclosed in its own grounded metal compartment, offering higher arc protection and operational safety. In contrast, metal-enclosed types may have shared enclosures without full isolation.
2. Can PINEELE GTXGN-12 be customized for automation and smart grids?
Yes. The switchgear supports integration with SCADA, remote terminal units (RTUs), és intelligent protection relays for smart grid deployment and real-time power monitoring.
3. What industries commonly use Metal-Clad Switchgear?
A PINEELE GTXGN-12 Metal-Clad Switchgear is widely used in:
- Power generation and substations
- Oil & gas industries
- Water treatment plants
- Renewable energy fields
- Metro/railway stations and tunnels
- Industrial plants and commercial complexes
Application Scenarios
A GTXGN-12 Fémburkolatú kapcsolóberendezések is ideal for:
- Industrial automation environments
- Medium-voltage distribution networks
- Commercial buildings and infrastructure
- Wind and solar energy systems
- Transport hubs and underground substations
- Smart city and IoT-ready power systems
