Tricky but Easy Electrical Engineering!
Definition: Cycloconverter is a device which converts input power at one frequency to output power at a different frequency with only one stage conversion. It is also known as cycloinverter. A cycloconverter (CCV) is basically a one-stage frequency changer. Here, one stage conversion means that input AC supply is directly converted to variable frequency output … Read more
This article explains the 120° mode inverter with the help of relevant circuit diagrams, output waveforms. Formulas for phase and line voltage & merits and demerits of 120° Mode inverter over 180° mode inverter has also been explained. For 120° mode inverter, each thyristor conducts for 120° of a cycle. Like 180° mode, 120° mode … Read more
This article outlines the definition and working principle of three phase bridge inverter. 180 degree conduction mode of operation, formula for phase & line voltages of three phase inverter is also explained in this article. A three phase bridge inverter is a device which converts DC power input into three phase AC output. Like single … Read more
This article outlines the basic operating or working principle of a Single Phase Half Bridge Inverter with the help of circuit diagram. Single Phase Half Bridge Inverter is a type of Single-Phase Bridge Inverter. It is a voltage source inverter. Voltage source inverter means that the input power of the inverter is a DC voltage … Read more
This article explains Single Phase Full Bridge Inverter with the help of circuit diagram and various relevant waveforms. Comparison between half and full bridge inverters have also been detailed. Single Phase Full Bridge Inverter is basically a voltage source inverter. Unlike Single Phase Half Bridge Inverter, this inverter does not require three wire DC input … Read more
An inverter is a device which converts DC power into AC power at desired output voltage and frequency. The DC power input to the inverter is obtained from an existing power supply source or from a rotating alternator through a rectifier or a battery, fuel cell, photovoltaic array or magnetohydrodynamic (MHD) generator. For household application, … Read more
This article outlines the Circuit Diagram, Working Principle, Various waveforms, Advantages and Disadvantages of Load Commutated Chopper. Circuit Diagram of Load Commutated Chopper: Load Commutated Chopper is a type of chopper which consists of four thyristors and one commutating capacitor. Figure below shows the circuit diagram of a load commutated chopper. Four thyristors are shown … Read more
Current Commutated Chopper is a type of chopper in which commutation of thyristor used in the circuit take place due to oscillatory current through it. This article explains current commutated chopper along with its circuit diagram, working principle and various waveforms. Circuit Diagram: The circuit diagram of a current commutated chopper is shown below. In … Read more
Voltage commutated chopper is one of the simplest and earliest chopper circuit. This chopper is generally used in high power circuit where load fluctuation is not very large. This chopper is also known as Parallel Capacitor Turn Off Chopper, Impulse Commutated Chopper or Classical Chopper. Working Principle of Voltage Commutated Chopper: The working principle of … Read more
There are mainly two types of chopper: Step-up and Step-down chopper. This classification is based on the average DC output voltage of chopper. However, on the basis of quadrant operation, a chopper may be classified into five different types: Class-A, Class-B, Class-C, Class-D and Class-E chopper. This article outlines the classification of chopper on the … Read more