Showing posts with the label
Electrical Machine
What is Transformer? A transformer is an Electrical static device. it consists of two or more stationary coil which is interlinked by a common magnetic circuit for the purpose of transferring electr…
What is Armature? The armature is used in both types of electrical machines whether it is a generator or motor. Sometimes it is preferred that the stator is the armature and sometimes it is preferred…
What is a three-phase induction motor? A three-phase motor is a type of electrical machine That is operated by a three-phase power supply. It is a very popular and common type of AC motor. In most i…
What is the Emf equation of DC Generator? The voltage generated in the armature of any DC generator or motor is determined by an equation. This equation is called the Emf Equation of DC Generat…
What is a Transformer? A transformer is a static electrical device which consists of two or more electric circuit which is linked by a common magnetic circuit. This magnetic circuit transformer e…
Definition of Electric Braking A smooth and safe reduction in the speed of the electric motor is called electric braking. The application of motors, it requires a quick, accurate, or rapid stop of …
What is the Armature Control Method of DC Motor? Armature resistance Control Of DC Motor- In this method of speed control of DC motor, an external variable resistor is connected in series with t…
What is a Starter? The starter is an electrical device that is used to start a dc motor. the purpose of using a starter to start a dc motor is that the starter gives smooth and control the start of …
Definition of Armature reaction- Interaction between main field flux (which is generated by the stator on supplying the external current) and the induced field flux ( which is generated in the arma…
Primary or absolute instrument - Primary or absolute instrument are those instrument which indicates the quantity to be measured in term of constants of instruments and in order to find out consta…
Ac motor are classified into two main type.(a) Synchronous Motor and (b) Asynchronous motor. Generally asynchronous motors are called induction motor.Synchronous and asynchronous both motor are …
What is DC Shunt Motor? DC shunt motor is a motor in which field winding is connected parallel to the armature. In this motor field winding consists of a large number of enameled copper wires to pr…
Classification of DC Motor DC motors have much application in the field of engineering as well as in the field of home appliances and industry. Due to a wide range of applications, different types …
Basic of Electrical Machine - An electrical machine is an apparatus that converts energy in three categories i.e.Generator which converts mechanical energy to electrical energy, Motor which convert…