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| 12/3/2014 8:42 PM | |
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Posts: 1058 Rating:
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Hello YogendraG, when you switch on current for any electrical device, there is an effect, that current is much higher within a very short time after switching on, than in normal operation later. Reason for that can be internal transformators, capacitors etc. or even parasiteric capacities, which have to be loaded first after switching on. Therefore current immediately after switching on can be a multiple of current for normal operation. This current is called inrush current and its a measured value. To avoid high inrush currents many power supplies have a built in switch-on current limiting. The current after switching on is limited by some electronics to a certain maximum value. This value is a designed value. regards |
| 12/4/2014 11:26 AM | |
Joined: 11/9/2008 Last visit: 1/10/2026 Posts: 414 Rating:
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Hi, Thanks for your nice explanation regarding inrush current. I need more inforamation regarding HMI Inrush current --0.2A²·s & Power Supply inrush Current--6.5A²·s. Please tell what is exact meaning of 0.2A²·s &6.5A²·s and how it is calculated. Regards, Yogendra G
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