Eddy Current Working Principle Animation
Eddy currents are currents induced in conductors, when a conductor is exposed to a changing magnetic field due to relative motion of the field source and conductor; or due to…
Interview Questions & Answers on Alternators
What is the general system requirements of alternator? For the generation of emf, there should be two basic systems. (i) magnetic field system to produce the magnetic field (ii) Armature…
RTD Calculator Software
PRTCalc is a utility for those involved with PT100 platinum resistance thermometers. It allows for the accurate conversion of resistance to temperature or temperature to resistance. PRTCalc is a small…
Ultrasonic Level Measurement Questions and Answers
Ultrasonic level measurement sensors basically works with sound waves for detection of liquid level. They usually work over the frequency range between 20 kHz to 200 kHz. Read the following Ultrasonic…
Electrical Engineering Interview Questions
What are the two types of SRM? (i) Rotary SRM (ii) Linear SRM what are the types of rotor position sensors in SRM? (i) Optical sensor (ii) Hall sensor Mention…
Power Electronics Interview Questions & Answers
What is full converter? What is dual converter? Full converter: When positive as well as negative half cycles of the supply are rectified, it is called full converter. Dual converter:…
Ultrasonic Transmitters vs Guided Wave Radar for Level Measurement
ULTRASONIC TECHNOLOGY Ultrasonic is a non-contact level measurement method that uses sound waves to determine the process material being measured. Ultrasonic transmitters operate by sending a sound wave, generated from…
Electrical Drives and Controls Interview Questions
What is Switched Reluctance Motor? The switched reluctance motor is a double salient, singly excited motor. This means that it has salient pole on the rotor and the stator, but…
PN Junction Questions & Answers
1. Explain what is Fermi level? The maximum energy that an electron in a metal has at the absolute zero temperature is called the Fermi level of energy. 2. Explain…
Questions and Answers in Electrical Machines
What is an ideal transformer? The ideal transformer should have the following properties: It has no losses Its windings have zero resistance It should have zero leakage flux (100% flux…
