Changshu switch: to provide users with a full range of intelligent power distribution solutions

Editor's note: Among the array of high-end low-voltage electrical appliance manufacturers in China, Changshu Switch Manufacturing Co., Ltd. (hereafter referred to as Changshu Switch) is the most innovative company and continues to lead the trend of domestic industry technology development. Changshu switches focus on the cultivation of power distribution. Through decades of development, it has grown from a professional component supplier to a powerful intelligent distribution solution provider in China, providing cost-effective products and technical services to the entire industrial chain of the distribution system.

At present, the industry is talking about smart grids, and the intelligent distribution integration solutions provided by Changshu Switches have served users for several years. Of course, no one can accurately predict the future. However, for the years As for the Changshu switch that is immersed in the innovation of intelligent power distribution technology, the intelligent power distribution integration solution that began to be developed 10 years ago is strategically deployed to closely follow the technological development trend and pulse of the industry, which coincides with the industry's main line and preempts market opportunities.

The intelligent power distribution integration solution of Changshu Switch is composed of a series of intelligent power distribution products that integrates sets, components and software. This series of products is fully autonomous under the guidance of intelligent, systematic, and integrated R & D ideas. Intellectual property, with the functions of monitoring, protection, control and remote intelligent management, is the Changshu switch to serve the development needs of China's new era of power, with international leading products.

Satisfying the needs of customers is the main purpose of Changshu Switchgear's research and development of intelligent power distribution integration solutions. According to Guan Ruiliang, with the development of power technology and continuous improvement of user demand, the power distribution industry is not only more demanding on the performance of electrical appliances. The higher the demand is, the higher the number of electrical appliances with communication functions is required to realize the “ four remote ” function of the distribution network , and that the low-voltage electrical appliances are also required to realize the intelligent distribution system, that is, through the communication network, numerous low-voltage switches with communication interfaces are used. The control equipment is connected with the host computer and intelligently managed by the computer to achieve centralized data processing, centralized monitoring, centralized analysis and centralized scheduling.

The intelligent power distribution system has the advantages of good stability, high reliability, convenience for centralized control, unattended operation, and a large cost reduction after networking, compared to the traditional power distribution system. Therefore, the intelligent power distribution system has been Become a trend of power system development, will get a lot of applications. In this process, the user needs of the power distribution industry are undergoing changes, not only requires cost-effective device products, but also need a complete system solution to deal with the continuous complexity of the smart device electricity network. "Therefore, customers in the design of intelligent power distribution system which, inevitably expect suppliers to provide components, including the control, including software and equipment package solution," tube Rui Liang said that " Equipment is provided by a single supplier, which not only allows users to better implement their own design ideas, but also facilitates users' future service and spare parts, maintenance and other needs. "

In addition, with the development of new technologies such as contemporary computer technology, information processing technology, and control technology, revolutionary changes have been brought about in the traditional low-voltage electrical field. Low-voltage power distribution equipment is gradually being integrated, digitized, and informatized. With the development of communicable directions, the original shortcomings of the traditional low-voltage power distribution equipment have been completely changed, and the power distribution equipment has the functions of electrical parameter measurement, fault recording, internal fault self-diagnosis, communication and networking, and low voltage distribution. The electrical equipment has produced a qualitative change. Therefore, Guan Ruiliang believes that with the development of electrical equipment, the technical conditions for realizing an intelligent electrical distribution system are already available. “ Then it is possible to make the low-voltage distribution system an intelligent one. Distribution System. ”

Guan Ruiliang emphasized that it is more important to upgrade from the original supply products to provide complete solutions based on a deep understanding of customer needs. “ Changshu Switching is completing the transition from product suppliers to solution providers. This is our An important strategy to maintain the leading edge in the high-end market. " He further pointed out that " Chinese national enterprises must have their own intelligent distribution of serialized products to provide advanced, reliable and complete solutions for the intelligent development of low-voltage distribution networks in China. Only in this way can we improve our national industry's product competitiveness. "

For the above purposes, the Changshu switch began pre-research in 2001 and was formally established in 2003. The overall R&D strategy and overall thinking of the intelligent power distribution technology solution and series of products were determined, and the key technologies and product development goals of the project were clarified. The Changshu Switch's technical team takes the principle of " Excellent Enterprise, High-end Winning " as its guiding ideology, and carries out research in accordance with the overall planning, distributed implementation, and concurrent steps.

The R&D team has carried out forward-looking technical analysis and research in various aspects by tracking developments in domestic and international industry technology, adopting a combination of production, education and research to achieve independent innovation of key technologies, thus forming independent intellectual property rights. Innovation System. After 10 years of research and development, Changshu Switch has created a series of high-end products with international advanced level, developed a variety of integrated, digital, information-based low-voltage power distribution equipment, formed a system software, devices and intelligent complete sets of switches Cabinet as one of the powerful self supporting capabilities.

The research and development of this project has achieved a number of scientific and technological achievements. In many aspects, it was first introduced domestically, leading the industry direction, and the technical level of some of the achievements has reached the international most advanced level. The project has applied for a total of 44 patents, of which 11 were inventions . 20 utility models , has authorized 36 patents, including 8 inventions , 20 utility models , and 2 software copyrights. They jointly drafted the first communication industry standard "low-voltage electrical communication protocol" and jointly drafted GB/T18858. .3-2002 low-voltage switching device controller - part 3 DeviceNet interface national standards.

“ Based on the research of system technology, we have developed a series of digital informatized power distribution equipment to meet the development trend of today's international low-voltage electrical components, such as the new CW Series intelligent universal circuit breakers, and the new CM2Z series of intelligent plastic shells . Circuit breakers, the new CM 2L series with residual current protection MCCBs and the new CI l remote intelligent I/O modules, etc. ” Guan Ruiliang pointed out, “ In addition, through the research of system technology, we have also developed various models. New digital communications conversion products to accommodate a variety of different fieldbus applications, such as CNlDP/MD communications adapters, CNlDP/MP communications adapters, CN1EG Ethernet communications adapters , and GSM short message notification modules. "

In this way, through a series of key technology research applications and the development of a number of new-type digital informatized low-voltage power distribution equipment, Changshu Switch’s product development and design capabilities and product quality have been continuously improved, and a large number of intelligent products emerged. The company launched in late 2006 . Riyear-PowerNet power distribution monitoring system integrates professional Riyear-PowerNet distribution monitoring configuration software, with the company's intelligent power distribution components, forms a complete product system and provides integrated power distribution solutions to the industry ability.

Riyear-PowerNet power distribution monitoring system is the core of Changshu switch intelligent power distribution integration solution. It has the characteristics of " smart interaction, information fusion " . Riyear-PowerNet system is a complete set of hardware and software products, including a series of Comprehensive intelligent power distribution components and complete PC software, network cabling solutions, support for a variety of communication bus connections, including Modbus , ModubsTCP , Profibus , DeviceNet, etc. Through efficient data collection, users can control the entire distribution system in real time. In order to meet the market demand, Changshu Switch has expanded the function of Riyear-PowerNet system on Riyear-PowerNet , which was originally based on fieldbus . It has developed video surveillance, short message alarm, CDMA/GPRS wireless monitoring and other functions.

The research and development achievements of Changshu switch intelligent power distribution series products have completely changed the defects of traditional electrical products such as single function and low protection accuracy, meet the current real-time monitoring, control, and management application needs of power distribution systems and promoted low-voltage power distribution equipment in China. Fully integrated, networked, and communicable development has led to an increase in the technological level of China's electrical industry. Compared with similar foreign products, the comprehensive technical level of the project is comparable to the international advanced level, but the price of the product is only that of similar foreign products. About one-third to one-half, which greatly improves the competitiveness of the national industry in the low-voltage electrical appliance industry in China.

However, the technology is endless, industry demand is gradually evolved among Tube Ruiliang Jiang stressed that the integration of intelligent power distribution switch Changshu solution is an open system, is based on the development of self-evolution of the times. "This The main feature of the system is that it first considers the need for complete selectivity, so that the selectivity capability has been greatly improved ; the second is that the customer is easy to use and convenient to use. ” Guan Ruiliang said, “ In addition, the system is the largest The feature is that different solutions can be developed according to the needs of different customers. "

With the continuous development of the industry in the future, especially the new requirements proposed by the smart grid, Changshu Switch will continue to focus on improving reliability, measurement and control integration, miniaturization, modularization, and ease of use on the existing basis. Continuously upgrade and develop to meet the needs of the rapidly developing market. “ In the process, we will still face a lot of challenges, and especially we will feel that customers are increasingly expecting regular opening, so we provide customers with The value-added solutions and products are the goals pursued by the Changshu switch. " Gui Ruiliang emphasized lastly: " The cultivation of technical capabilities is not an irreversible process, but a gradual accumulation process. We have a high level of technological innovation. Peak to climb. ”