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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are commonly used to step up or step down voltage in electrical power distribution.
They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core.
The primary coil is connected to a source of alternating current, which creates a changing magnetic field...
Transformers are classified based on their construction and purpose, such as power transformers, distribution transformers, and instrument transformers.
Power transformers are used to step up or step down voltage for transmission and distribution of electricity.
Distribution transformers are used to supply lower voltage to end-users.
Instrument transformers are used for measuring voltage and current in power systems.
Other...
An inverter is an electronic device that converts direct current (DC) to alternating current (AC).
Converts DC power to AC power
Used in solar power systems to convert DC electricity from solar panels to AC electricity for use in homes
Commonly used in uninterruptible power supplies (UPS) to provide backup power during outages
The type of inverter used is a grid-tied inverter.
Grid-tied inverters are connected to the utility grid and do not require batteries.
They convert DC power from solar panels into AC power for use in the home or to be fed back into the grid.
Examples of grid-tied inverters include string inverters, microinverters, and power optimizers.
Op amp stands for operational amplifier, a type of electronic amplifier with high gain and differential inputs.
Op amp is a type of amplifier that amplifies the difference in voltage between its two inputs.
It has a very high open-loop gain, typically around 100,000.
Op amps are commonly used in signal conditioning, filtering, and mathematical operations in electronic circuits.
Examples of op amp ICs include the LM741, AD8
Transformer design involves creating efficient and reliable electrical transformers for various applications.
Consider the desired voltage and current ratings for the transformer
Select appropriate core and winding materials for optimal performance
Design the transformer to minimize losses and improve efficiency
Perform simulations and testing to validate the design
Iterate on the design to meet specifications and requireme
The sales revenue last year was $2.5 million.
Sales revenue for last year was $2.5 million.
It was a 10% increase from the previous year's revenue of $2.3 million.
The top-selling product contributed 30% of the total revenue.
Approximately 10,000 units were billed last year.
Approximately 10,000 units were billed last year.
The exact number of units billed last year was around 10,000.
There was a total of 10,000 units billed in the previous year.
Su-Kam Power Systems interview questions for popular designations
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
To analyse total diesel consumption in equipment, I would gather data on usage and calculate fuel efficiency.
Collect data on equipment usage and fuel consumption
Calculate fuel efficiency by dividing fuel consumption by equipment usage
Compare fuel efficiency across different equipment to identify outliers
Identify factors that may affect fuel efficiency, such as maintenance or operator behavior
I applied via Company Website and was interviewed in Oct 2020. There were 3 interview rounds.
A basic aptitude test which focuses on key areas of a person
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
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