Rishabh Instruments Limited Interview Questions, Process, and Tips

Methods to reduce harmonics in induction motor include using passive filters, active filters, and multi-pulse converters.

• Use passive filters such as LC filters to reduce harmonics in induction motor

• Utilize active filters like active power filters to eliminate harmonics

• Implement multi-pulse converters such as 12-pulse or 24-pulse converters to reduce harmonics

• Ensure proper grounding and shielding to minimize harmonics

In 5 years, I see myself as a senior electrical engineer leading a team on innovative projects.

• Leading a team of engineers on innovative projects

• Advancing to a senior electrical engineer role

• Continuing professional development and learning new technologies

• Contributing to the growth and success of the company

My project involved designing and implementing a smart home automation system using IoT technology.

• Utilized sensors to detect motion, temperature, and light levels in different rooms

• Developed a mobile application to remotely control devices such as lights, thermostats, and security cameras

• Integrated voice control using virtual assistants like Amazon Alexa or Google Assistant

• Implemented machine learning algorithms to pr...read more

During my internship, I gained hands-on experience in designing and implementing electrical systems.

• Worked on various projects involving circuit design and troubleshooting

• Assisted in testing and analyzing electrical components

• Collaborated with engineers to develop solutions for technical challenges

Phasor diagram of an induction motor shows the relationship between the stator and rotor currents and voltages.

• The phasor diagram typically includes the stator current, rotor current, stator voltage, and rotor voltage.

• The angle between the stator current and stator voltage represents the power factor.

• The angle between the stator current and rotor current represents the slip of the motor.

• The phasor diagram helps in unde...read more

The torque equation of induction is used to calculate the torque produced in an induction motor.

• The torque equation of induction is given by T = (3 * V^2 * R2) / (s * X2)

• Where T is the torque, V is the voltage, R2 is the rotor resistance, s is the slip, and X2 is the rotor reactance

• This equation helps in understanding the relationship between voltage, resistance, reactance, and slip in determining the torque produced i