Abstract
This paper presents performance result of single and three phase rectifier circuits using MATLAB-SIMULINK which are one of the most used power electronics circuit. This paper also describes method & concepts used to simulate power electronic circuits using the SIMULINK toolbox within MATLAB software. The use of tool like MATLAB-SIMULINK has always been a useful for analyzing and designing different circuits. The paper presents theperformance of three phase rectifier circuits in term of its output voltage, current.
Highlights
The Rectifier is the power electronic circuit which is highly used in all power supply units
A simple DC motor has a stationary set of magnets in the stator and an armature with one or more windings of insulated wire wrapped around a soft iron core that concentrates the magnetic field
The commutator allows each armature coil to be energized in turn and connects the rotating coils with the external power supply through brushes. (Brushless DC motors have electronics that switch the DC current to each coil on and off and have no brushes.)
Summary
The Rectifier is the power electronic circuit which is highly used in all power supply units. All the modern power controlled circuits like simple fan regulator to DC motor drive use the concept of phase control through which power to the output is controlled. This type of rectifier is called controlled rectifier. For controlled rectifier modern devices like SCR and TRIAC are used, which can control the output voltage and current by providing the necessary pulse at appropriate angle. This method may be suitable for low power applications it is unsuitable to applications which need a “steady and smooth” DC supply voltage. The advent of power electronics has made replacement of DC motors with AC motors possible in many applications
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