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A rectifier is an electrical device that converts alternating current (AC) to direct current (DC). Three-phase connection refers to a system that uses three conductors to carry three alternating currents that are out of phase with each other.
Rectifiers are commonly used in power supplies and electronic devices to convert AC to DC.
Three-phase connections are used in industrial and commercial settings to power large moto...
AC and DC supplies differ in their voltage polarity and frequency.
AC voltage changes direction periodically while DC voltage flows in one direction only.
AC voltage has a frequency typically of 50 or 60 Hz while DC voltage has a constant voltage level.
AC voltage is used for power transmission over long distances while DC voltage is used for electronic devices.
AC voltage can be easily stepped up or down using transformer...
TRANSFRAMER is not a known term. DC GENERATOR is a device that converts mechanical energy into electrical energy.
TRANSFRAMER is not a known term in electrical engineering
DC GENERATOR is a device that converts mechanical energy into electrical energy
DC generators are commonly used in power plants and electric vehicles
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I applied via Recruitment Consultant and was interviewed in May 2021. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I applied via Walk-in and was interviewed before Nov 2020. There was 1 interview round.
A circuit breaker is an electrical switch that automatically interrupts the flow of current when it exceeds a certain limit.
It is used to protect electrical circuits from damage caused by overloading or short circuits.
It works by detecting the excess current and tripping the switch to break the circuit.
It can be reset manually or automatically depending on the type of circuit breaker.
Examples include thermal circuit br...
A contactor is an electrical switch used for switching an electrical circuit on or off.
It is used to control electric motors, lighting, heating, and other electrical loads.
It consists of a coil, contacts, and an enclosure.
The coil generates a magnetic field that pulls the contacts together to close the circuit.
Examples include HVAC systems, elevators, and industrial machinery.
Contactor ratings are based on the amount o...
MCB stands for Miniature Circuit Breaker. It is an electrical switch that automatically shuts off the electrical circuit during an overload or short circuit.
MCB is a type of circuit breaker that is commonly used in residential and commercial buildings.
It is designed to protect electrical circuits from damage caused by overloading or short circuits.
MCBs are available in different current ratings and can be easily replac...
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors are used in various applications such as electric vehicles, industrial machinery, and household appliances.
There are different types of motors such as DC motors, AC motors, stepper motors, and servo motors.
The basic principle of a motor is the interaction between a magnetic field and an electric current.
Examples of motor...
A current transformer is a device that measures the current flowing in a circuit by producing a proportional current in its secondary winding.
Consists of a primary winding and a secondary winding
Primary winding is connected in series with the circuit carrying the current to be measured
Secondary winding is connected to a measuring instrument or protective relay
Produces a current in the secondary winding that is proporti...
posted on 15 Jul 2017
I was interviewed before Jul 2016.
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Feb 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2020. There were 5 interview rounds.
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