CRO – stands for cathode ray oscilloscope that is type of device or instrument which display the input electrical signal (current , voltage , power .. etc) in the form of graph. The CRO is used to analyse waveforms. Construction of cathode ray oscilloscope (CRO) cathode ray oscilloscope consist with different main parts that I … Read more
DC generator is the electrical machine that is used to convert mechanical energy into dc electrical energy by the principle of electromagnetic induction. There are two types of generators, AC generator and DC generator. In this article, we will learn about DC generator. construction of dc generator DC generator consist with different main parts like … Read more
thermal power plant is a type of electricity generating station where heat energy converted into electrical energy. Thermal power plant consist with different main elements which play very important role in operation of generating electricity. It is non renewable energy Technology That depends on particular fuel that is coal. In this article we will discuss … Read more
Repulsion motor is the special purpose machine that converts electrical energy into mechanical energy where mechanical output can be torque or force. Repulsion Motor is the single phase induction motor that operates on AC supply its main application is in trains and higher starting torque applications. This type of motor Operates on the principle of … Read more
Commutation in DC machine is the process by which AC current induced in the armature winding of DC generator , converted into DC is known as commutation process or commutation in dc machine. Commutator is the main element of commutation process that is a rotating metallic ring. In this process commutator behave like mechanical rectifier … Read more
Single phase transformer is the static device or machine that is used to increase or decreases the A.C electrical power by the process of mutual induction at constant frequency. Main function of electrical transformer is to increase or decrease the supply voltage according to requirement. Construction of single phase transformer Core : core of transformer … Read more
Servo motor is the special purpose machine that converts electrical input into mechanical acceleration with precise angular velocity. Servo Motor is also known as control motor. In this lecture we will learn construction and working principle of Servo motor. Construction of servo motor this type of motor is also consists with two important part like … Read more
stepper motor is type of special machine that completes their rotation in stepwise . It especially designed to complete rotation step by so it is also known as stepping motor. In this article we will learn its construction and working principle. Construction of stepper motor stepper motor consist with two important part that is stator … Read more
Permanent magnet synchronous motor is type of AC synchronous motor which converts electrical energy into mechanical energy. Construction of PMSM motor is different from normal AC synchronous motor in PMSM motor we use permanent magnet that increases the efficiency of the machine. Construction of permanent magnet synchronous motor permanent magnet synchronous motor consists with different … Read more
Reluctance motor is the type of special machine that consist of rotor and stator like other motors. And it is used to convert electrical energy into mechanical energy. Reluctance motor has lagging power factor and its efficiency is about 55 to 75% . It’s construction is almost like single phase induction motor but its working … Read more
