Statistics related institutions show that China relay industry has tremendous market potential. 2008 National Industrial Relays market capacity of approximately 10.9 million in 2009 to reach 1.16 billion yuan of industrial market capacity relays , relays exports amounted to $ 38 million, and in 2010 , our sales of approximately $ 1.6 billion relay . With the gradual implementation of the ten industrial revitalization policy , experts predict , "Twelve Five" period, the required amount and applications of the relay will continue to grow, the traditional electromechanical relays will be about 8 % growth rate , solid state relays growth rate will remain at around 15% , special relay is more than 20% of the rate of rapid development . Protection of technological development , and the development of electronics, information and communications technology are inseparable. The future, with further improvement of electronic CT ( current transformer ) and PT ( voltage transformers ) , the gradual application , IEC61850 protocol standardization , it is foreseeable , digital technology will be more widely used. The country has 110 kV , 220 kV voltage level of electronic CT, PT Electronic put into trial operation , research and development applicable to electronic CT and PT relay protection equipment , will promote the development of protection techniques to drive relay Protect the new principles, new technologies and new applications become placed in front of relay researchers new topics. Relay protection of research started in the late 1970s . In 1984, the first set of microprocessor line protection devices in the system and access applications through the identification . After 20 years of development , domestic computer protection technology continues to progress , has made many achievements and patents in computer protection hardware, software , algorithms , etc., has introduced four generations of microprocessor-based protection devices , the performance and operating indicators comprehensive than imports product , is an international leader . Domestic computer protection has been replaced by transistors, integrated circuits and other protection , to occupy a dominant position. |
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Relay Will Usher Gold Period Of Development