10+ Comviva Technology Interview Questions and Answers

High frequency in transformers is used in applications such as power distribution, induction heating, and medical equipment.

• High frequency transformers are used in power distribution systems to step up or step down voltage levels efficiently.

• They are also used in induction heating applications for processes like welding, melting, and heat treatment.

• In medical equipment, high frequency transformers are used in devices like MRI machines and X-ray machines for power conversion a...read more

I have extensive knowledge and experience with transducers, switching circuits, RTD, and SCADA PLC automation from my previous job roles.

• Transducers are devices that convert one form of energy into another, such as a pressure transducer converting pressure into an electrical signal.

• Switching circuits are used to control the flow of current in electronic devices, such as relays or MOSFETs.

• RTD stands for Resistance Temperature Detector, which measures temperature by changes in ...read more

Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• There are two main types of losses associated with transformers: copper losses and iron losses.

• Copper losses occur due to the resistance of the copper windings in the transformer and are proportional to the square of the current flowing through the windings.

• Iron lo...read more

Power loss in electrical systems can be categorized into core losses, hysteresis loss, and eddy current loss.

• Core losses occur in the magnetic core of transformers and include hysteresis and eddy current losses.

• Hysteresis loss is caused by the reversal of magnetization in the core material, leading to energy dissipation in the form of heat.

• Eddy current loss is caused by circulating currents induced in the core material due to changing magnetic fields, resulting in heat genera...read more

Strategies for reducing losses in the transformation process include implementing lean manufacturing principles, improving maintenance practices, and investing in employee training.

• Implementing lean manufacturing principles to eliminate waste and improve efficiency

• Improving maintenance practices to prevent breakdowns and reduce downtime

• Investing in employee training to enhance skills and knowledge

• Utilizing technology to automate processes and reduce human error