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There are various types of speed control methods used in electrical systems.
Variable frequency drives (VFDs) - adjusts the frequency of the power supplied to the motor
Pulse width modulation (PWM) - varies the duty cycle of the voltage supplied to the motor
Direct current (DC) injection - adds a DC voltage to the AC supply to control the motor speed
Soft starters - gradually increases the voltage supplied to the motor to ...
VFD stands for Variable Frequency Drive. It is an electronic device used to control the speed of an AC motor.
VFDs are used to save energy and improve process control
They work by adjusting the frequency of the electrical supply to the motor
VFD control diagram includes input power, rectifier, DC bus, inverter, and output
VFDs can be controlled by analog or digital signals
Examples of VFD applications include HVAC systems,
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I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Referral and was interviewed in Aug 2021. There were 2 interview rounds.
I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.
Maths reasoning quantitive aptitude & general knowledge questions
posted on 6 Nov 2024
I applied via LinkedIn and was interviewed before Nov 2023. There were 3 interview rounds.
Apptitude test was quite easy to attend
Hackerrank platform was used for coding round.
Yes, I am willing to relocate for the right opportunity.
I am open to relocating for a position that aligns with my career goals and offers growth opportunities.
I have relocated in the past for job opportunities and have found it to be a positive experience.
I understand that relocation may come with challenges, but I am prepared to adapt and thrive in a new environment.
posted on 23 Sep 2022
I applied via Walk-in
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