Technological Frontier: Digitalization and Intelligence as the Core
"Integrated one-time and two-time functions" has become the mainstream.
Key points: The traditional "circuit breaker + external protection measurement and control device" model is being overturned. The latest trend is to directly integrate measurement, protection, control, and monitoring functional modules into the circuit breaker body to form an intelligent integrated circuit breaker.
Significance: This deep integration significantly reduces equipment size and wiring complexity, improving reliability. It can provide the dispatch center with more accurate real-time data (such as current, voltage, switch mechanical characteristics, temperature, etc.), which is the basis for achieving distribution network automation and fault self-healing.
Digital twin and predictive maintenance of status
Environmental Protection and New Materials: Seeking Alternatives to SF6
Currently, clean air (dry air), nitrogen, and 3M's Novec™ gas have become commercial solutions for replacing SF6 insulation in medium-voltage gas-insulated switchgear (C-GIS). Vacuum circuit breakers, due to their opening unit not requiring SF6, have become the preferred choice for these environmentally friendly switch cabinets.
Significance: Adopting the combination of "vacuum arc extinguishing + environmental gas insulation" has become the mainstream direction for green power grid equipment. Related news often involves major companies releasing new SF6-free switch cabinets.
Environmental solidification pillar technology
Key points: For solidified vacuum circuit breakers, manufacturers are developing and using environmentally friendly epoxy resin materials that are biodegradable, high-temperature resistant, and high-performance to reduce carbon footprints during production and use.
Market and Application: Strong Demand in Specific Fields
New energy power stations have become an important growth point.
Key News Points:
With the development of DC distribution networks (such as data centers, ship power systems, and urban DC distribution) and the charging networks for new energy vehicles, DC vacuum circuit breakers that can quickly interrupt DC currents (without natural zero-crossing points) have become a research hotspot. How to forcibly create a zero-crossing point for the current and successfully extinguish it is the key technology.
Domestic Policy Driven and Industry News
Equipment Upgrading and Renovation Policy Brings Market Opportunities
Key News Points:
Chinese enterprises have continuously made breakthroughs in the field of vacuum circuit breakers at 40.5kV and above high voltage levels, continuously narrowing the gap with foreign brands. In the research and manufacturing of core components (such as vacuum interrupters), the breaking capacity, reliability, and lifespan of domestic products have significantly improved. Summary
Currently, the focus of news regarding vacuum circuit breakers is no longer simply about "power on and power off", but rather revolves around the following core themes:
Intelligence: Become an "intelligent node" of the power grid, achieving state perception and remote control.
Environmental friendliness: Say goodbye to SF6 and embrace green insulating media.
Specialization: Develop dedicated products for specific scenarios such as new energy and data centers.
High reliability: Through predictive maintenance technology, meet the extremely high power supply reliability requirements of modern power grids.
Shaanxi West Power Tongzhong Electrical Co., Ltd.
Contact: Ms.Grace Liu (Director of Sales Department)
Tel: +86 917 3661109 Fax: +86 917 6739416
Email:xdtz04@westpowerelectric.com
Mobile: +86 18091765882(WhatsApp/Wechat/skype )
Website:https://www.xdtzelectrical.com
