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I applied via Walk-in and was interviewed before Oct 2023. There were 2 interview rounds.
A UPS block diagram typically consists of input power, rectifier, battery, inverter, output power, and load.
Input power from utility or generator
Rectifier converts AC to DC
Battery stores energy for backup power
Inverter converts DC to AC
Output power to connected devices
Load consumes power from UPS
MOSFET, IGBT, and SCR are all types of power semiconductor devices used for switching applications.
MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a voltage-controlled device with high switching speed and efficiency.
IGBT (Insulated Gate Bipolar Transistor) combines the advantages of MOSFET and bipolar transistor, suitable for high power applications.
SCR (Silicon-Controlled Rectifier) is a current-controll...
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posted on 10 Sep 2017
I was interviewed before Sep 2016.
posted on 10 Sep 2015
I applied via PLACEMENT
posted on 12 May 2018
I applied via Walk-in and was interviewed before Nov 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before Nov 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
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I applied via Naukri.com and was interviewed before Feb 2020. There were 4 interview rounds.
posted on 3 Apr 2021
I applied via Referral and was interviewed in Oct 2020. There were 5 interview rounds.
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