They are the rules that governing the exchange of data among the interconnected equipment. View>>
2010/04/07Grid standard frequency in our country is 50Hz. UPS allows the mains frequency to have a certain degree of variation. View>>
2010/04/07Current crest factor is the ratio of electric current periodic waveforms' peak value and effective value. View>>
2010/04/07The earth is a good conductor. Ground line forms short-circuit connection with the earth through the buried electrode. Electricity transmission is a three-phase approach. View>>
2010/04/07It is the general term of radiation interference and conducted interference. View>>
2010/04/07It is a high-voltage protection component used in device input terminal. View>>
2010/04/07This is a kind of electromagnetic interferences, which exists in the communication equipment or computer operation equipment. View>>
2010/04/07