<output id="0kddc"><legend id="0kddc"><var id="0kddc"></var></legend></output>
<p id="0kddc"></p>

    <acronym id="0kddc"><label id="0kddc"></label></acronym>

    Product News

    • Basic knowledge and maintenance of UPS

      Basic knowledge and maintenance of UPS

      What is an uninterrupted power supply system? Uninterrupted power supply system is a kind of uninterrupted, stable and reliable AC power device, which is specially used for computers and other important equipment, so that the equipment can still operate normally when the...
      Read more
    • Introduction to Medium Voltage Switchgear —JONCHN GROUP

      Introduction to Medium Voltage Switchgear —JONCHN GROUP

      1、Introduction The switch cabinet is a kind of electrical equipment. The external lines of the switch cabinet enter the main control switch in the cabinet first, and then enter the sub control switch. Each branch is set according to its needs. For example, instruments, ...
      Read more
    • Introduction to Basic Technology of Box type Substation– JONCHN Electrical

      Introduction to Basic Technology of Box type Substation– JONCHN Electrical

      Box type transformer Relevant knowledge of box type transformer What is a transformer? It is a device that uses the principle of electromagnetic induction to change the AC voltage. It is often used for voltage rise and fall, m...
      Read more
    • Classification, structure, maintenance and troubleshooting of box type substation

      Classification, structure, maintenance and troubleshooting of box type substation

      Box Type Substation Box type substation integrates high and low voltage primary equipment, transformer and secondary equipment into a double-layer, sealed, corrosion-resistant and movable outdoor box in the factory. Box type substation, also known as prefabricated substa...
      Read more
    • Portable solar lantern, making life more convenient

      Portable solar lantern, making life more convenient

      According to official statistics, about 789?million people worldwide live without electricity. It is estimated that 620?million people will still have no access to electricity by 2030, of which 85% are in sub-Saharan Africa. Most of these people rely on kerosene, candles...
      Read more
    • Product Recommendation – JFS1-400/3 Pole Mount Fuse Switch

      Product Recommendation – JFS1-400/3 Pole Mount Fuse Switch

      Product usage The pole mount fuse switch is applicable to the power line system with AC 50Hz, rated insulation voltage up to 690V and rated current of 400A, and is used to connect and isolate the power supply under the voltage line. Th...
      Read more
    国产伦精品一区二区三区视频女