News & Blog

• 01

  09
  2023
  The Necessity and Basic Principles of SF6 Density Relay Calibration

  The necessity of SF6 density relay calibrationSF6 switch is a widely used high-voltage electrical appliance in power systems.SF6 switch's reliable operation has become one of the most concerning i...
• 26

  08
  2023
  SF6 Gas Density Online Monitoring and Alarm System

  Most devices containing SF6 gas are installed in rooms, where the indoor ventilation rate is relatively slow. Once SF6 gas leaks, it will accumulate in the room and is not easily released. SF6 gas its...
• 23

  08
  2023
  SF6 Relay Calibration Instrument: Environmental and Functional Requirements

  SF6 relay environmental requirements for calibratorOperating temperature:-20℃～＋45℃Operating humidity:5%～95% relative humidityStorage temperature:-25℃～＋50℃Altitude:≤4000mSF6 relay functional requirements for calibrat...
• 21

  08
  2023
  Telecoms Sf6 Relay: Guardian of the Smart Grid's Security

  Under the promotion of the National Smart Grid Construction Plan, remote transmission SF6 relay has emerged as a guardian of the smart grid, serving as its security protector. This remote transmission...
• 17

  08
  2023
  A Discussion on the On-site Calibration Issues of SF6 Relays

  In order to ensure the safe and reliable operation of SF6 electrical equipment, it is necessary to monitor the density of SF6 gas in the SF6 gas equipment. The monitoring of SF6 gas density is achieve...
• 13

  08
  2023
  Application Example of SF6 Gas Density Online Monitoring System

  GIS (Gas Insulated metal-enclosed Switchgear) is a high, precise, and advanced power transmission and distribution equipment that has developed in recent decades. It requires less maintenance and has ...
• 09

  08
  2023
  Verification of SF6 Gas Relay at Extreme Temperatures

  Currently, the SF6 relay is mainly calibrated at room temperature, and it is unable to accurately evaluate the temperature of the relay under extreme conditions. When the environmental temperature bec...