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
Magnetoresistivity is the phenomena of change of resistivity of some metals and semiconductor when it is exposed to external magnetic field. This phenomenon is observed at low temperature. The material which possesses magnetoresistivety are called Magnetoresistors. Magnetoresistivity is observed due to lengthening of path of moving electron when it experiences a force due to external … Read more
Definition: Hall Effect Transducer is a device which is used for the measurement of magnetic field strength. This transducer uses a conducting strip to convert magnetic field into proportional potential difference across the opposite faces of strip using Hall Effect. Working Principle: The working principle of Hall Effect Transducer is based on Hall Effect. Hall … 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