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I applied via Referral and was interviewed before May 2022. There were 4 interview rounds.
I am looking for a competitive salary that reflects my skills and experience.
I have researched the industry standard for this position and would like to be compensated accordingly.
I am open to negotiation based on the specific responsibilities and benefits offered.
I am more interested in finding a company that values and invests in its employees rather than just a high salary.
I am willing to discuss salary further in a
I applied via Naukri.com and was interviewed in Aug 2017. There was 1 interview round.
The SLD (Single Line Diagram) is a graphical representation of the electrical system of a plant.
SLD shows the electrical components and their interconnections in a simplified manner.
It helps in understanding the power flow and control of the plant.
SLD includes transformers, generators, switchgear, motors, and other electrical equipment.
It also depicts protection devices, control circuits, and communication systems.
SLD ...
Impedance voltage of a transformer is the voltage drop that occurs across the transformer's impedance when a current flows through it.
Impedance voltage is a result of the transformer's internal impedance.
It is caused by the resistance and reactance of the transformer's windings and core.
Impedance voltage can be calculated by multiplying the current flowing through the transformer with its impedance.
It represents the vo...
To test IGBT in an a.c drive, perform insulation resistance test, gate voltage test, and current-voltage characteristics test.
Perform insulation resistance test to check for any leakage or insulation breakdown.
Conduct gate voltage test to ensure proper functioning of the gate driver circuit.
Test the current-voltage characteristics to verify the IGBT's performance under different load conditions.
Use an oscilloscope to a...
The P.I test in transformers is performed to determine the insulation condition and losses in the transformer.
P.I test stands for Polarization Index test.
It is a type of insulation resistance test.
The test measures the ratio of insulation resistance at 10 minutes to the insulation resistance at 1 minute.
The test helps in assessing the insulation condition and detecting any moisture or contamination in the transformer.
A...
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posted on 29 Nov 2022
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
Furnace capacity is determined by the amount of heat it can produce.
It is usually measured in BTUs (British Thermal Units) or tons.
Higher capacity furnaces can produce more heat and are suitable for larger spaces.
For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
Drive components in CCM department are the parts that enable the motor to function properly.
Drive components include motors, gears, belts, and pulleys.
They work together to transfer power from the motor to the machine.
The components must be properly sized and aligned to ensure efficient operation.
Examples of machines that use drive components include conveyor belts, pumps, and fans.
posted on 14 Sep 2022
I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.
Composite error and ratio error are two types of errors in current transformers.
Composite error is the combination of ratio error and phase angle error in a current transformer.
Ratio error is the difference between the actual turns ratio and the specified turns ratio of a current transformer.
Phase angle error is the angular difference between the primary and secondary currents of a current transformer.
Composite error a...
An AC drive circuit diagram controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.
An AC drive consists of a rectifier, DC link, inverter, and control circuitry.
The rectifier converts AC power to DC power, which is stored in the DC link.
The inverter converts the DC power back to AC power with variable frequency and voltage.
The control circuitry adjusts the frequency and volta...
A single line diagram of a distribution system is required with proper specifications.
The diagram should show the flow of power from the source to the load
It should include all components such as transformers, switchgear, and cables
The specifications should include voltage levels, power ratings, and protection devices
The diagram should follow standard symbols and conventions
Example: A 11 kV distribution system with a 5
Dewpoint test is done in transformer to check the moisture content in the insulation oil.
Moisture in insulation oil can cause breakdown of transformer insulation
Dewpoint test helps to determine the moisture content in the oil
It is a preventive maintenance measure to avoid transformer failure
The test involves cooling a mirror until dew forms on it, and measuring the temperature at which dew forms
Power transformers are used in transmission systems to step up or down voltage, while distribution transformers are used in distribution systems to step down voltage.
Power transformers are used in high voltage transmission systems to step up or down voltage for long distance transmission.
Distribution transformers are used in low voltage distribution systems to step down voltage for local distribution.
Power transformers...
Buchholz relay is used to protect transformers from faults by detecting gas and oil flow abnormalities.
Buchholz relay is installed in the pipe connecting the transformer tank and conservator tank.
It operates based on the principle that faults in the transformer generate gases and cause oil flow disturbances.
When gas or oil flow abnormalities occur, the relay trips and sends a signal to the control panel to isolate the ...
I was interviewed before Jan 2021.
Diploma
posted on 30 Apr 2023
I applied via Recruitment Consulltant and was interviewed in Oct 2022. There were 2 interview rounds.
DC current is the flow of electric charge in a constant direction.
DC stands for Direct Current.
It is the type of electric current that flows in a single direction.
DC current is produced by sources such as batteries, fuel cells, and solar cells.
It is commonly used in electronic devices and power transmission systems.
Unlike AC (Alternating Current), DC current does not change its direction over time.
DC current is the flow of electric charge in a single direction.
DC stands for Direct Current
It is produced by sources such as batteries, fuel cells, and solar cells
DC current is used in electronic devices such as computers, televisions, and radios
DC current is measured in amperes (A)
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