Nagarjuna Engineering Constructions Electrical Engineer Interview Questions and Answers for Experienced

Preventive maintenance is the best method to ensure equipment longevity and avoid unexpected breakdowns.

• Regularly inspect and clean equipment

• Replace worn out parts before they fail

• Follow manufacturer's maintenance schedule

• Train personnel on proper use and maintenance

• Implement a computerized maintenance management system (CMMS)

• Monitor equipment performance and track maintenance history

SMPS stands for Switched Mode Power Supply, a type of power supply that uses switching devices to convert electrical power.

• SMPS is more efficient than traditional linear power supplies

• It uses high-frequency switching to convert AC to DC power

• It is commonly used in electronic devices such as computers, TVs, and mobile phones

• Examples of SMPS topologies include flyback, forward, and push-pull

• SMPS can be designed for diffe

DG Automation refers to the automation of Diesel Generator systems.

• DG Automation involves the use of control systems and software to monitor and control the operation of Diesel Generator sets.

• It helps in optimizing the performance and efficiency of the DG sets.

• DG Automation can include features like remote monitoring, automatic start/stop, load sharing, fault detection, and protection.

• It can also involve integration wi...read more

PMU stands for Phasor Measurement Unit.

• PMU is a device used in power systems to measure electrical quantities such as voltage, current, and frequency.

• It provides synchronized phasor measurements, which are used for real-time monitoring and control of the power grid.

• PMUs are typically installed at key locations in the power system, such as substations or power plants.

• The measurements from PMUs are used for applications ...read more