Relay protection devices are the guardians of power system safety. By comprehensively collecting and analyzing information from the entire power grid, they detect and alarm when faults or anomalies occur, or directly isolate the faults, thus maintaining the safe and efficient operation of the entire power grid. With the rapid development of smart grids, the application of relay protection devices is gradually moving towards comprehensive intelligence. Power-consuming enterprises are also placing higher demands on relay protection devices. These devices not only need to have more sophisticated functional designs and more efficient digital communication, but also need to be able to communicate intelligently with customer operation and maintenance systems, thereby possessing stronger disaster prediction, resistance, and recovery capabilities to cope with the more complex application environments and technological challenges of the digital age.
Schneider Electric, a global leader in digital transformation for energy management and automation, boasts over 130 years of manufacturing experience in relay protection. Its continuously innovative relay protection solutions encompass the Sepam, MiCOM, and Vamp series, and are widely used in over 150 countries. Recently, Schneider Electric launched its new generation of medium-voltage relay protection device, the Easergy P3, which effectively ensures the safety of critical assets and personnel through flexible and simplified distribution network management and a comprehensive digital experience. It significantly saves customers operation and maintenance time and costs, thereby greatly improving efficiency, and represents the latest masterpiece in the Easergy series of relay protection devices.
Schneider Electric Easergy P3 relay protection device
The future looks promising; smart grids are opening up new opportunities for relay protection.
The rapid development of smart grids has opened up new opportunities for the market development of relay protection devices. Since the 12th Five-Year Plan, along with the rapid development of smart grids, the market demand for relay protection devices in my country has grown rapidly, and the scale of expansion has accelerated. Data shows that in 2016, the relay protection and automation equipment manufacturing industry achieved an industrial sales output value of 77.898 billion yuan, a year-on-year growth rate of 8.53%.
With the advancement of smart grid construction, distributed energy sources, microgrids, and energy storage devices are increasingly being integrated into the power distribution system, making the distribution network environment increasingly complex. Future distribution networks will place higher demands on the stability, security, and reliability of connected equipment. Simultaneously, with the continuous increase in electricity consumption, substations urgently need to upgrade their automation and modernization technologies to reduce operating costs and improve grid security. The modernization and upgrading of smart grid infrastructure has become a significant driver of market growth for relay protection devices.
With a promising market outlook, major companies are increasing their investments to develop diverse and innovative interconnected products that effectively meet user needs in the smart grid environment, thereby maintaining market competitiveness and winning in the digital age.
Innovative upgrades, a trustworthy power distribution protection expert
Schneider Electric's forward-thinking philosophy and century-long innovative practices in relay protection have resulted in three major product series: Sepam, MiCOM, and Vamp, each with its own unique advantages. The MiCOM series is primarily known for its broad coverage, encompassing everything from the simplest to the most complex protection, as well as ultra-high voltage power grids. Many 500kV substations in China's North China Power Grid, East China Power Grid, and Shanghai Power Grid utilize MiCOM products. The Sepam series is particularly suitable for large industrial users in sectors such as buildings and petrochemicals. In addition to its standard products, the Vamp series focuses on medium and low voltage applications and arc flash protection, with its arc flash protection technology being renowned and ranking first in the industry.
The Schneider Electric Easergy P3 inherits the reliable performance of Sepam, MiCOM, and Vamp, representing Schneider Electric's latest masterpiece in relay protection devices. It is also the first relay protection device to integrate feeder, motor, and transformer protection functions into a single unit. Compared to Sepam, MiCOM, and Vamp, the Easergy P3 optimizes some of the relatively complex functions of the original MiCOM series, incorporates the application advantages of Sepam in the construction and light industry sectors, and meets the specific requirements for arc flash protection in China. Combined with Schneider Electric's expertise in relay protection, the Easergy P3 achieves a very precise positioning and offers high cost-effectiveness.
Specifically, the innovative breakthroughs and reliability of the EasergyP3 relay protection device are reflected in three main aspects: flexibility and ease of use, safety and reliability, and a seamless digital experience. First, flexibility and ease of use. Through digital technology, the EasergyP3 can shorten the operation time for customers at every stage, from selection to installation, configuration, commissioning, and maintenance, making production management more efficient. EcoRealMV simplifies selection and ordering; standard model stock ensures faster delivery; the EasergyPro management tool provides a variety of advanced intelligent functions, facilitating professional-level configuration for non-professional users; and embedded web services enable rapid on-site setup and commissioning. Second, safety and reliability. The EasergyP3 features built-in arc flash protection and a virtual "simulation tester" to better protect power systems and equipment; it is designed in accordance with international standards such as IEC60255-1, providing customers with high-standard reliability assurance.
In terms of a seamless digital experience, the EasergyP3 relay protection device is fully compatible and interoperable with Schneider Electric's EcoStruxure Power distribution system. It improves efficiency and reduces downtime through preventative maintenance tools; facilitates management decisions through real-time data monitoring without time or location limitations; and all data monitored by the EasergyP3 can be securely stored in the cloud via EcoStruxure for easy access anytime. The EasergyP3 also enhances protection device safety through the Easergy Smart App, allowing operators to remotely operate circuit breakers, improving personal safety while simplifying operation and maintenance, and saving valuable operation time. Furthermore, the EasergyP3 supports nine communication protocols, including IEC61850, and its input/output is expandable to meet diverse needs.
In this rapidly changing energy world, the application and management environment of power grids is becoming increasingly complex and volatile. Schneider Electric's innovative EasergyP3 relay protection device fully considers the actual needs of different users and is available in two models: a standard model and an advanced model, both featuring integrated measurement and control design. With a simpler, more efficient, reliable, and intelligent functional design, it provides a solid guarantee for safe power use and efficient production for users and partners in industries with high power guarantee requirements, such as commercial buildings, civil buildings, water conservancy, light industry, data centers, and infrastructure. It adds innovative momentum to relay protection in the digital age.
