How to Test a Three-Phase Motor with a Megger?
In this post, we will discuss how to test a three-phase motor with a megger. We use a megger to test the insulation level of
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
4 Point Starter- Construction, Working & Its Application
The 4-Point Starter is almost identical in performance features to the 3-Point Starter. It limits the starting current in a DC motor in the absence
What is PS Class CT? Its Characteristics
PS Class CT is a special class CT used for differential protection of HT motor, generator, and transformer. The PS class CT is also called
Different Faults in Three Phase Induction Motor & their Remedies
This article describes different types of faults and problems in 3-phase induction motor & their remedies. The induction motor is a very robust, reliable, and
What is a Step-up & a Step-down Transformer? Definition
Definition-step-up and step-down transformer: Step-up transformer step-up the primary voltage. On the other hand, the step-down transformer step-down the primary voltage. Thus, the secondary side
What is Winding Factor?
Definition: Winding Factor is the product of the Distribution factor (Kd) and the coil span factor (Kc). The main purpose of the winding factor is
3 Phase Induction Motor | Definition And Working Principle
3 Phase induction motor converts electrical energy into mechanical energy. The induction motor is the most popular choice. In industries, about 80 % of motors
Difference Between High, Medium and Low Voltage Transformers
Difference Between High, Medium, and Low Voltage Transformers – A step-down voltage transformer reduces a higher level voltage to a lower level. A step-up voltage
What is Eddy Current Loss?-Definition and Expression
Eddy Current Loss When magnetic material comes under a magnetic field generated by alternating current, an emf induce in the core material according to Faraday’s
Advantages and Disadvantages of Electric Braking
In this article, we shall study the advantages and disadvantages of Electric Braking. The electric brake is better than a mechanical friction brake in many