• Product
  • Low voltage power capacitor
  • Overvoltage and short circuit protection: self-healing insulator
  • Active filter
  • Integrated power electronics, digital control, digital signal processing and other technologies
  • Smart capacitor
  • It changes the structure mode of traditional reactive power compensation device, which is bulky and bulky.
  • HV reactor
  • Vacuum impregnation, epoxy resin pouring, curing in constant temperature furnace
  • Distributed Fiber Temperature
  • High precision, good stability and high reliability
  • Arc protection system
  • The main control unit is the core component of the whole arc protection system
  • Automatic fire alarm and extinguishing device
  • Monitor the smoke concentration in the distribution cabinet in real time, and give an alarm when the index exceeds the limit
  • intelligent controller
  • Reaction time, 1~20ms, with precise intelligent program (FCP) design
 more products
  • Projects

hospital

automobile

chemical industry

municipal

industry

Business Center

mineral products

  • Walk into DMS
  • Shanghai Dumasi Electric Technology Co., Ltd. (Dumasi Electric)
  • With the rapid development of modern industry and science and technology, the requirements for power quality kept increasing. Meanwhile, the substantial increase in power electronic equipment and non-linear loads also contributed to the deteriorating of power quality, and caused power grid pollution e.g. voltage fluctuations, harmonics, and three-phase imbalance. The company has a keen insight for the development of electric power industry, with the increasing innovation of power equipment industry, the Dumarsing began to get involved in the power and electronics industries, and focused on the research and development and production of reactive power compensation and power quality products to deal with the increasing issues on power quality.
    The Dumarsing boasts strong research team, rigorous work and professional dedication so that the technological content of products secures the leading position in the industry ...


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