ZFW41-126 Gas Insulated Metal Enclosed Switchgear, developed by China's Jinhand Electrical, is designed for 110kV systems. As a leading manufacturer and factory supplier, our optimized GIS provides reliable control and protection for diverse applications, from power plants to industrial systems.
1.High-Tech Development:Developed using advanced design optimization and a combination of domestic and international technologies, ensuring cutting-edge performance.
2.Versatile Applications:Suitable for a wide range of applications, including power plants, substations, and various industrial sectors like steel and coal mining.
3.Strong Performance:Effectively supports control, protection, switching, and measurement functions, enhancing operational reliability in power systems.
| Installation Location | Indoor | Outdoor |
| Ambient Temperature | -40℃to+40℃(daily average temperature not exceeding+40℃) | |
| Altitude | 1000m | |
| Ambient Humidity | The daily average relative humidity does not exceed 95%,and the monthly average relative humidity does not exceed 90%. | |
| Pollution Level | Grade IV | |
| Maximum Wind Speed | / | ≤34m/s |
| Seismic Intensity | Horizontal acceleration ≤0.4g,vertical acceleration≤0.2g. | |
| Solar Radiation Intensity | / | ≤1000W/m² |
| lce Coating Thickness | / | ≤20mm |
| Project | Unit | Parameter | |
| Rated Voltage | kV | 126 | |
| Rated Frequency | Hz | 50 | |
| Rated Current | A | 1250、1600、2000、2500、3150 | |
| Rated Short-Time Withstand Current/Short-Circuit Duration | kA/S | 40/4 | |
| Rated Peak Withstand Current | kA | 100 | |
| Rated short-term powerfrequency withstand voltage (min) | Phase-to-phase and phase-to-ground | kA | 230 |
| Across isolating distance | kV | 230+73* | |
1.Gas-Insulated Design:Features a compact, metal-enclosed design that minimizes space requirements and improves safety in high-voltage environments.
2.Voltage Capability:Designed for power systems with a line voltage of 110kV, making it suitable for high-voltage applications.
3.Comprehensive Functionality:Integrates multiple functionalities, including control, protection, switching, and measurement, in a single unit for streamlined operations.
4.Robust Construction:Built to withstand harsh conditions in various industries, ensuring durability and long-term reliability in critical applications.
5.Advanced Testing Methods:Utilizes computer simulation analysis and rigorous testing methods to ensure quality and performance standards are met.
1.Modular Three-Position Disconnector/Earthing Switch Design: Integrated modular design enables interlocked isolation, earthing, and service positions. Compact and reliable, adaptable to various main connection layouts.
2.Intelligent Condition Monitoring System: Optional online monitoring modules for SF6 gas density, moisture content, partial discharge, and mechanical characteristics. Supports intelligent diagnostics and fault warning, enabling condition-based maintenance.
3.High Seismic and Weather Resistance: Passed seismic tests with 0.4g horizontal acceleration. Excellent sealing performance suitable for high altitude, high humidity, high pollution, and extreme temperature environments.
4.Compact Spatial Layout: Utilizes three-phase common tank or phase-separated arrangement. Footprint is only 10%-30% of equivalent AIS at the same voltage level, ideal for space-constrained sites like urban or underground substations.
5.Eco-Friendly Design: Employs low-pressure SF6 filling technology with gas recovery devices. Complies with IEC 62271-4 environmental requirements and supports future eco-friendly gas alternatives.
Q1: What busbar arrangements is the ZFW41-126 GIS suitable for?
A: It supports various arrangements including single busbar, double busbar, one-and-a-half breaker, and bridge configurations. Can be flexibly configured based on the user's main connection scheme.
Q2: Does it have smart interfaces?
A: Yes, it comes standard with IEC 61850 communication protocol interfaces, supporting GOOSE/SV message transmission for seamless integration into smart substation systems.
Q3: What is the recommended maintenance interval?
A: Under normal operating conditions, a major overhaul is recommended every 10-15 years. Condition assessment and maintenance can be performed based on online monitoring data during this period.
Q4: Can it be used in coastal, highly corrosive environments?
A: Yes. The enclosure uses high-quality aluminum alloy or stainless steel with special anti-corrosion surface treatment, suitable for coastal, chemical, and other highly corrosive environments.
Q5: Do you provide turnkey solutions?
A: Yes, we offer one-stop turnkey project services including scheme design, equipment supply, installation guidance, commissioning, and operation & maintenance training.
GB/T 1984 High-voltage Alternating Current Circuit Breakers
GB/T 1985 High-voltage Alternating Current Disconnectors and Earthing Switches
GB/T 7674 Gas-insulated Metal-enclosed Switchgear for Rated Voltages 72.5kV and Above
GB/T 11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
The superior nature of our goods has facilitated strong, persistent business links across multiple continents, resulting in numerous accolades from users.
Following more than ten years of expansion, Jinhand has risen to be one of China’s leading manufacturers and suppliers of electrical equipment. Our factory integrates numerous advanced technologies and facilities, and we welcome you to buy our high-grade, cost-efficient products manufactured in China.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
