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Recent content by Oslec

  1. Oslec

    How to measure Ripple current in th eoutput side of AC/DC

    Hi, I'm doing a lifetime calculation on all the electrolytic capacitor of a UPS. One of the requirement is the ripple current. Can help me to figure out how can I measure the actual ripple current present ia a capacitor ?
  2. Oslec

    Testing an SCR

    Hi 1x1x1x, It's being used in a three phase 400V UPS system as part of the bypass circuit.If there's something wrong with the system, the UPS will turn to by-pass mode and the AC will pass thru this SCR and then to the load, thus bypassing the UPS.
  3. Oslec

    Testing an SCR

    I had a problem with the SCR module ( 2 in 1 package ) which has a high failure rate in our production. I want to know know what's wrong with this SCR. It is rated 2x130A 1200V. Anybody knows how to test this kind of SCR?
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