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I applied via Walk-in and was interviewed before Mar 2023. There was 1 interview round.
CT stands for Current Transformer and PT stands for Potential Transformer. They are used in electrical systems for measurement and protection purposes.
CT is used to measure current in high voltage circuits by stepping down the current to a safe level for measurement.
PT is used to measure voltage in high voltage circuits by stepping down the voltage to a safe level for measurement.
Both CT and PT are essential components...
DTC structure stands for Direct Torque Control structure, a control method used in AC motor drives for precise torque and speed control.
DTC structure is a control technique used in AC motor drives to directly control torque and flux without the need for a separate speed controller.
It is based on the principle of controlling the torque and flux by selecting the appropriate voltage vectors in the motor.
DTC structure offe...
LA, AB switch is used in electrical engineering to switch between two different signal sources or destinations.
LA, AB switch is commonly used in audio and video equipment to switch between different inputs or outputs.
It allows for easy switching between two different signal sources or destinations without having to physically disconnect and reconnect cables.
The switch typically has two positions - one for each signal s...
I applied via Walk-in and was interviewed before Oct 2020. There were 3 interview rounds.
DTR stands for Data Terminal Ready.
DTR is a control signal used in serial communication.
It indicates that a data terminal equipment (DTE) is ready to communicate.
DTR is typically used to signal the start of a connection or to reset a device.
In RS-232 communication, DTR is often used to control the flow of data.
For example, when DTR is set to high, it indicates that the DTE is ready to send or receive data.
DTR structure consists of transformer, rectifier, and filter components.
Transformer: used to step down the voltage from the power source
Rectifier: used to convert AC to DC
Filter: used to smooth out the DC output
Components may include diodes, capacitors, resistors, and inductors
Example: DTR structure is commonly used in power supplies for electronic devices
The number of transformer ratings required for 50 households depends on their power consumption and distribution network.
The power consumption of each household needs to be determined
The distribution network and voltage level also affect the transformer rating
Assuming an average power consumption of 1 kW per household, a 50 kW transformer may be required
However, this can vary greatly depending on the specific circumsta
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I was interviewed before Sep 2016.
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I applied via Recruitment Consultant and was interviewed before Aug 2020. There were 5 interview rounds.
posted on 14 Jul 2021
posted on 21 Dec 2021
I applied via Campus Placement and was interviewed before Dec 2020. There was 1 interview round.
The question covers power factor of transformer, types of DC machine, working principle of AC alternator, and DC motors.
Power factor of a transformer is the ratio of real power to apparent power.
Types of DC machines include DC motors and DC generators.
AC alternators work on the principle of electromagnetic induction to convert mechanical energy into electrical energy.
DC motors convert electrical energy into mechanical ...
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
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