Controlling Multiple Motors with one VFD
In many applications, we use a single VFD for multiple motors. In this method, more than one motor is connected to a single VFD drive. … Read more
Role of Test & Measurement in Harmonic Studies
What are Harmonic Studies? Power electronics is being used popularly in industries due to ease of operation and maintenance. It is also possible to achieve … Read more
Why is double earthing necessary for 3-phase machines and equipment?
Why Earthing Important? The main purpose of the earthing of electrical equipment is to avoid the danger of getting electric shock. The proper earthing also … Read more
What is the Required Capacitor KVAR for 50 HP Motor?
The motor draws inductive current when a 50 HP induction motor is run by feeding a three-phase AC supply. At the no-load running of the … Read more
What is Knee Voltage of PN- Junction Diode?
Definition: The voltage at which the forward-biased diode starts conducting is called the knee voltage or cut-in voltage of the PN junction diode. The Mechanism … Read more
Accuracy Limit Factor of Current Transformer
Definition- The accuracy limit factor (ALF) of a current transformer (CT) is a parameter that indicates the highest multiple of the rated current at which … Read more
Difference between Active and Passive Components
In this post, we will discuss the difference between Active and Passive components. We can differentiate active & passive components on the basis of the … Read more
Difference between Capacitor and Battery
What is Capacitor? A capacitor is a passive two-terminal device that stores electric charge in an electric field. The capacitor has two metallic plates separated … Read more
Why can a 50Hz CT work on 60Hz systems, and why can’t a 60Hz C.T. work on a 50 Hz system?
CT or PT functions on the principle of electromagnetic induction. The electrical energy is first converted into magnetic energy and again the magnetic energy is … Read more
What is Battery Acid? Its composition and Roles
Battery acid is a dilute solution of sulfuric acid (H₂SO₄) used in lead-acid batteries. Comprising 29%-32% sulfuric acid, it facilitates the flow of electrical current … Read more