Applications of Variable Frequency Drives(VFDs)
This article describes applications of variable frequency drives(VFDs). A variable frequency drive (VFD) or inverter is a controller for electric motors commonly used in electromechanical … Read more
Machines
An electrical machine converts mechanical energy into electrical energy or vice versa. The transformer is also an electrical machine which transform the voltage without changing the frequency. We will discuss about the;
- DC Motor
- DC generator
- Induction Motor
- Transformer
- Electrical drives
- Alternator or synchronous generator
Buchholz Relay: Working Principle, Construction and Operation
Buchholz relay, like any other relay, is a sensing device used to sense abnormal working of a transformer in a critical operation like a power … Read more
Types of Motors Used in an Elevator (Elevator Motor)
This article describes the different types of electric elevator motors. We will also discuss the suitability of different types of electric motors for elevator applications, … Read more
General Features of Traction Motors: Mechanical Features & Electrical Features
In this article, we will discuss the general features -mechanical and electrical features of the traction motor. The traction motor is used to drive high … Read more
Desirable Characteristics of Traction Motors
This article describes the desirable characteristics of traction motors. The electric motor when powered produces torque to rotate the wheels of the train and it … Read more
Difference Between Ideal and Real or Practical Transformer
An ideal transformer is an imaginary or hypothetical model of a transformer that has zero energy losses in it. whereas a practical transformer has energy … Read more
Why DC Series Motor has High Starting Torque?
DC series motor is widely used for high inertia loads like Hoists, cranes, Rotary Kiln, and Traction that require high initial torque at the start. … Read more
Can Protection CT be used as Metering CT & Vice Versa?
We can not use the protection class CT in place of metering CT & vice versa. Protection class CT and metering class CT are used … Read more
Percentage Impedance of Transformer & Its Calculation
This article describes the percentage impedance of the transformer & its calculation. In this article, we will learn what is percentage impedance and how to … Read more
What is a Transformer? Definition & Meaning
A transformer is a static piece of equipment that does not have any moving parts in it. The transformer transforms higher voltage to lower voltage … Read more