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  • Classification and function of Surge Arrester
    Surge Arrester is usually connected between the grid wire and the ground wire, but sometimes it is also connected near the electrical winding or between the wires. Surge Arrester is another important piece of equipment often used when communication cables are used to prevent lightning damage. Next,
    2021-11-30
  • Development of Standards for Selection of DC Insulation
    The IEC’s first Guide for selecting insulators with respect to pollution in was published 1986 and standardized the concept of creepage distance. Although the Guide quickly found application due to its simplicity, field experience did not always prove successful.
    2021-11-20
  • Cable Joint Kits introduction and matters needing attention
    After the cable is laid, to make it a continuous line, each segment of the line must be connected as a whole, and these connection points are called Cable Joint Kits. Cable Joint Kits are used to lock and fix the incoming and outgoing cables and play the role of waterproof, dustproof, and anti-vibra
    2021-11-01
  • Advantages and disadvantages of expulsion fuse cutout
    The fuse invented by Edison more than a hundred years ago was used to protect the expensive incandescent lamps at that time. So do you know expulsion fuse cutout? The expulsion fuse cutout is also a kind of fuse. Next, let us take a look at the advantages and disadvantages of expulsion fuse cutout.
    2021-10-28
  • Testing Polymeric Insulators at Transmission Voltages
    The challenge of protecting the grid and maintaining system reliability depends on proper inspection and testing of insulators, particularly as system voltages and criticality of lines increase.
    2021-10-27
  • Understanding Energy Rating of Distribution Arresters
    What is the kJ/kV Uc rating of a Class 1, 10 kA arrester? This type of question has often been asked when it comes to distribution arresters. Yet finding an answer was never easy since these arresters (formerly referred to as Class 1) never had energy ratings.
    2021-10-26
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