Designing a Reliable Medium Voltage System with Metal Clad Switchgear
Metal clad switchgear A sustainable and uninterrupted energy system relies heavily on the proper design and implementation of medium voltage systems. Among these, metal clad switchgear plays a pivotal role, offering significant advantages in safety, customizability, maintenance, and serviceability.
Metal clad switchgear typically consists of four or five separate compartments (cable compartment, busbar compartment, low-voltage panel compartment, and optional voltage transformer compartment) that are effectively grounded and isolated from one another by metal partitions.
Preferred across a range of industries—from energy distribution and power generation to manufacturing and renewable energy plants—metal clad switchgear is a trusted choice for facilities demanding high safety and reliable operation.
What Is Metal Clad Switchgear?
Metal clad switchgear stands out for its advanced safety features compared to traditional metal-enclosed systems. Each compartment is separated by grounded metal, ensuring complete isolation and maximum operator safety. Key safety elements include grounded separators, mechanical interlocks, circuit breakers, and fully isolated bus systems that minimize exposure to medium voltage sections.
One standout feature is the remote circuit breaker operation. Operators can perform circuit breaker actions from a safe distance using a push button, eliminating the need for direct contact with live equipment. Additionally, optional arc-extinguishing channels enhance safety by managing arc faults effectively.
Customization Possibilities
Metal clad switchgear is versatile, capable of being tailored to meet specific operational requirements. These systems not only provide basic load protection but also incorporate advanced relay functions for enhanced safety and reliability.
Standard relays typically include ANSI functions such as overcurrent, undervoltage, overvoltage, and circuit breaker trip. For more complex applications, advanced features like selective zone interlocking, ground fault protection, and phase overcurrent monitoring can be included.
Additional customizations may involve phase sequence and balance protection, ideal for facilities where power interruptions are unacceptable. For instance, in an iron and steel plant, even a one-hour outage could result in significant material loss, making enhanced protection essential.
Ease of Maintenance and Service
Metal clad switchgear is an excellent choice for applications requiring maximum service continuity. Designed to withstand high current and short circuit stresses, these systems offer exceptional ease of maintenance.
The withdrawable circuit breaker design allows for quick and effortless replacement, minimizing downtime during maintenance or repairs. This ensures that energy interruptions are swiftly addressed, maintaining operational continuity.
Why Choose CHNGS Metal Clad Switchgear?
Aktif Metal Clad Switchgear delivers a range of benefits tailored for demanding applications:
- Safety and Reliability: Suitable for facilities where safety and energy continuity are critical.
- Efficient Operation: Withdrawable breakers and voltage transformers reduce installation and maintenance time.
- Compact Design: Space-saving dimensions without compromising performance.
- Certified Quality: Manufactured in compliance with IEC 62271-200 standards, with type tests conducted at internationally accredited laboratories.
- Seismic Resilience: Tested for reliability under seismic conditions, meeting IEC 62271-210, EN60068, IEEE 693, and GR-63 Core Zone 4 standards.
Professional Metal Clad Switchgears supplier and manufacturer
- Zhejiang GONGSHUN Electrical Co.,Ltd (electricgs.com), Our company was founded in the late 1990s, specializing in the production of inflatable cabinets, SF6 inflatable cabinets, and various high and low voltage complete sets of electrical equipment. It has multiple subsidiaries under its jurisdiction, including high-voltage load switch branch, high-voltage circuit breaker branch, high-voltage fuse branch, and technology development branch.Our technical expertise, comprehensive product portfolio and long-term rich experience are helping many customers in need to solve their power problems. We’re happy to help at any time. Whether you need application product advice or technical assistance, our global service team is committed to providing you with the right support. For more technical information about medium voltage earthing switch, feel free to contact us, send an email to gongshun@electric-cn.com
- Our company specializes in producing 12KV-40.5KV series high-voltage electrical products: FZN58, FLN48, FLN36, FZRN25, FZN21, FN18, ZFN16, FN12, FN8, FN7, FN5, XRNT, XRNP, VS1, ZN28, ZW8, ZW32, JN15, GN19, GN22, GN24, GN30, CLXGN15-12, HXGN □ -12, DXG-12 (L), DFW □ -12 high-voltage cable branch box, CLXGN □ -12 (SF6) series inflatable cabinet 12KV and 35KV cable accessories, etc; CLVXP-12 indoor AC high voltage fixed switchgear, CL-SIS-12 compact solid insulated ring main unit, professional assembly Schneider SC6 (SF6) series load switchgear, ABB produced SFG (SF6) series load switchgear and other series products; Distribution and agency of high-voltage load switches and inflatable cabinets produced by Schneider Electric and ABB; Siemens produces the 3AJ1 series of indoor medium voltage vacuum circuit breakers and other related products. The company has a complete range of products and has been operating safely on domestic and international power grids for a long time, receiving unanimous praise from both new and old users. Among them, multiple products such as FZRN25, FN12, FLN36-12, XRNT-12 have been exported to various countries and regions in East Asia, South Asia, Southeast Asia, Africa, and the United States.