News & Blog

• 07

  10
  2021
  Why SF6 Appliances Use SF6 Relays Instead of Ordinary Pressure Gauges?

  1. Overview of SF6 gas density(1) The so-called density refers to the mass per unit volume of a certain substance under certain conditions. The SF6 gas in SF6 appliances is sealed in a fixed container...
• 22

  09
  2021
  The Need for SF6 Density Relay Calibrator Calibration

  1. The Necessity to check the SF6 density relayThe SF6 switch is a high-voltage appliance widely used in power systems. The reliable SF6 switch has become one of the most important concerns of the pow...
• 19

  09
  2021
  Influence of Ambient Temperature on SF6 Gas Density Relay and Matters Needing Attention During Operation

  1. The specific analysis of the impact of sunlight radiation on SF6 density relays1.1 Because of the strong sunlight radiation, the SF6 relay metal shell temperature is much higher than the ambient te...
• 16

  09
  2021
  Inspection of SF6 Gas Density Relay

  SF6 gases are increasingly used in a variety of high-voltage electrical equipment due to their excellent insulation and arcing properties. Become the preferred insulation and arcing medium for today&#...
• 13

  09
  2021
  Basic Knowledge of Density Meter

  A density gauge is a modified pressure gauge with a signal output. The SF6 gas density relay integrates measurement and switching functions. The effect of temperature on SF6 gas density is balanced by...
• 10

  09
  2021
  Operation Technology Principle of SF6 Gas Density Relay

  Ⅰ. Operation technical principle of SF6 relayⅰ. SF6 relay is a SF6 gas package that is connected with SF6 gas in the circuit breaker and sealed on the outside of the big bellows. It is checked with ...
• 07

  09
  2021
  How to Test SF6 Relay？

  Ⅰ. Necessity of SF6 relay testIn the power system, SF6 relay is a widely used protection and control component. Its role is to monitor the SF6 gas pressure in closed gas chamber such as high voltage ...