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A breaker is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.
Breakers automatically stop the flow of electricity when a fault is detected.
They come in different types such as circuit breakers, fuse boxes, and residual-current devices.
Breakers can be reset manually after tripping to restore power.
Common brands of breakers include Siemens, Schneider Electric,
A current transformer is a type of instrument transformer that is used to step down high currents to a lower, more manageable level for measurement or protection purposes.
Current transformers are typically used in conjunction with ammeters, wattmeters, and protective relays.
They have a primary winding that is connected in series with the circuit carrying the current to be measured, and a secondary winding that is conne...
A potential transformer is a type of instrument transformer used to step down high voltage to a lower, safer voltage for measurement or control purposes.
Used to step down high voltage to a lower, safer voltage
Commonly used in power systems for metering and protection purposes
Provides accurate voltage measurements for monitoring and control systems
A breaker is an electrical switch that automatically interrupts an electrical circuit during abnormal conditions.
Breakers are designed to protect electrical circuits from overloads, short circuits, and other faults.
When a fault occurs, the breaker trips and interrupts the flow of electricity to prevent damage to the circuit or equipment.
There are different types of breakers such as thermal, magnetic, and hybrid breaker...
66kv lines are used for transmitting electricity over long distances with minimal power loss.
66kv lines are used for long distance transmission of electricity
Higher voltage reduces power loss during transmission
66kv is a common voltage level for transmission lines
Lower voltage lines would result in higher power losses
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two or more coils of insulated wire wound around a core
Primary coil receives electrical energy and induces a magnetic field in the core
Secondary coil receives the magnetic field and converts it back into electrical energy
Used to step up or step down voltage levels in power di
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Reasoning , mathematics
Behaviour refers to the way in which a person or animal acts or conducts themselves in response to a particular situation or stimulus.
Behaviour is influenced by genetics, environment, and past experiences.
It can be observed and measured through actions, reactions, and responses.
Behaviour can be categorized as either innate (instinctual) or learned.
Examples of behaviour include aggression, shyness, curiosity, and friend
The best method in power transfers is through high voltage transmission lines.
High voltage transmission lines are more efficient in transferring power over long distances.
Using transformers to step up the voltage before transmission and step down the voltage at the receiving end helps minimize power loss.
HVDC (High Voltage Direct Current) transmission is another efficient method for long distance power transfers.
Smart ...
Current is the flow of electric charge through a conductor.
Current is measured in Amperes (A)
It is the rate of flow of electric charge
Current can be either direct current (DC) or alternating current (AC)
Examples: A light bulb connected to a power source has current flowing through it
In a circuit, current flows from the positive terminal of the voltage source to the negative terminal
Methods to convert inverter include pulse width modulation, sine wave modulation, and square wave modulation.
Pulse width modulation (PWM) is a common method used to convert inverter signals by varying the width of the pulses.
Sine wave modulation involves generating a sine wave signal to mimic the output of an inverter.
Square wave modulation produces a square wave output by switching between high and low voltage levels.
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I applied via Recruitment Consulltant and was interviewed before Oct 2020. There was 1 interview round.
I have 3 years of experience working as an Electrical Engineer in a power distribution company.
Designed electrical systems for new construction projects
Performed regular maintenance on electrical equipment
Troubleshooted and repaired electrical issues in a timely manner
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two coils of wire, known as primary and secondary coils
Primary coil receives electrical energy and creates a magnetic field
Magnetic field induces a voltage in the secondary coil, transferring energy
Used to step up or step down voltage in power distribution systems
Examples include power t...
Types of transformers include step-up, step-down, isolation, autotransformer, and instrument transformer.
Step-up transformer increases voltage
Step-down transformer decreases voltage
Isolation transformer provides electrical isolation between primary and secondary windings
Autotransformer has a single winding with multiple taps
Instrument transformer is used for measuring current or voltage in high voltage circuits
A current transformer is a type of instrument transformer that is used to measure alternating current.
Current transformers step down current to a safe level for measurement or protection purposes.
They have a primary winding connected in series with the circuit carrying the current to be measured.
The secondary winding is connected to measuring or protective devices.
Current transformers are commonly used in power systems...
Current transformer is used to measure current while potential transformer is used to measure voltage.
Current transformer is connected in series with the circuit being measured, while potential transformer is connected in parallel.
Current transformer steps down the current to a measurable level, while potential transformer steps down the voltage.
Current transformer is used for protection and metering purposes, while po...
Current is the flow of electric charge in a circuit.
Current is measured in Amperes (A).
It is the rate of flow of electric charge past a point in a circuit.
Current can be either direct current (DC) or alternating current (AC).
In a series circuit, the current is the same at all points.
In a parallel circuit, the total current is divided among the branches.
Ohm's Law relates current, voltage, and resistance: I = V/R.
Voltage is the difference in electric potential between two points in a circuit, measured in volts.
Voltage is the driving force that pushes electric current through a circuit
It is measured in volts (V)
Higher voltage means more potential energy available to move electrons
Voltage can be DC (direct current) or AC (alternating current)
Example: A battery provides a voltage of 1.5V to power a flashlight
I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.
Math ,reasoning, average ,persentage
The function of a residence is to provide shelter, security, and comfort for individuals or families.
Provides shelter from the elements
Offers security and privacy
Creates a comfortable living environment
Can serve as a place for socializing and relaxation
Fuses and circuit breakers are safety devices used to protect electrical circuits from overloads and short circuits.
Fuses are designed to melt and break the circuit when there is an overload or short circuit, preventing damage to the circuit or equipment.
Circuit breakers are switches that automatically trip when there is an overload or short circuit, cutting off the flow of electricity.
Fuses need to be replaced after t...
I applied via Company Website and was interviewed in Jun 2022. There was 1 interview round.
I applied via Company Website and was interviewed in Apr 2022. There was 1 interview round.
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