Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by vortexwizard

  1. vortexwizard

    protecting ups from back emf when using as an inverter

    thanks, so is there any circuitry i can add to minimise this like the equivalent of a snubber circuit and how do normal inverters deal with this? Thanks
  2. vortexwizard

    protecting ups from back emf when using as an inverter

    hi it is just what i have read, i am mainly using them with power tools and a water pump, so you think there will be no problem with this? I am not using any contactors just the inbuilt trigger switches on power tools and unplugging the water pump to turn it off, if i were to turn off the power...
  3. vortexwizard

    protecting ups from back emf when using as an inverter

    Hi i use old ups(uninterupted power supplies) the type used in offices made by APC with larger battery banks for very cheap off grid inverters, one problem with this i have read is the damage caused by back emf caused when a motor stops. How is it best to protect against this? Many thanks

Part and Inventory Search