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I was interviewed in Oct 2021.
We can use a Class CT for differential protection.
Class CTs are commonly used for differential protection in electrical engineering.
Class CTs provide accurate current measurement and can detect small differences in current flow.
They are often used in applications such as transformer differential protection and motor protection.
Class CTs are designed to have a high accuracy and low saturation level to ensure reliable di...
Power transformers require various protection measures to ensure their safe and reliable operation.
Overcurrent protection to prevent excessive current flow
Differential protection to detect internal faults
Buchholz relay to detect and prevent transformer oil and gas faults
Temperature monitoring to prevent overheating
Voltage protection to safeguard against overvoltage
Ground fault protection to detect and isolate ground fa...
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posted on 11 Dec 2021
posted on 15 Nov 2022
I applied via Referral and was interviewed in Oct 2022. There were 3 interview rounds.
I applied via Walk-in and was interviewed in Jul 2021. There was 1 interview round.
Basic appti ques were asked
Transformer types include step-up, step-down, isolation, autotransformer, and instrument transformer.
Step-up transformer increases voltage while decreasing current
Step-down transformer decreases voltage while increasing current
Isolation transformer separates primary and secondary windings
Autotransformer has a single winding with multiple taps for voltage adjustment
Instrument transformer is used for measuring current or
Motors are devices that convert electrical energy into mechanical energy. There are various types of motors.
DC motors: used in appliances, toys, and automobiles
AC motors: used in industrial machinery and household appliances
Stepper motors: used in robotics and automation
Servo motors: used in precision control applications
Brushless motors: used in drones and electric vehicles
posted on 17 Feb 2023
posted on 10 Jul 2017
I was interviewed before Jul 2016.
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