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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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I was interviewed in Jan 2025.
A single line diagram is a simplified representation of a power system using standardized symbols to show the electrical connections and components.
It shows the main components of the system such as generators, transformers, breakers, etc.
Lines represent electrical connections between components.
It is used for planning, designing, and analyzing power systems.
Helps in understanding the flow of power and identifying pote...
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 is connected to a power source, inducing a magnetic field
Magnetic field causes voltage to be induced in the secondary coil
Used to step up or step down voltage levels in electrical systems
Commonly used in power distributi
A generator is a device that converts mechanical energy into electrical energy.
Generators use electromagnetic induction to produce electricity
They are commonly used in power plants, homes, and businesses
Examples include diesel generators, wind turbines, and hydroelectric generators
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors consist of a rotor and a stator, with the rotor rotating within the stator.
They work based on the principle of electromagnetic induction, where a current-carrying conductor experiences a force in a magnetic field.
Motors are used in various applications such as industrial machinery, household appliances, and electric vehi
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 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.
based on 1 interview
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