Bidirectional Triode SCRs (TRIAC): Construction, Characteristics, Modes of Operation
TRIAC is a short form of TRIode for Alternating Current. The other power electronics switches like IGBT, MOSFET, are used to control the DC power. The TRIAC is a device…
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Avalanche Diode: Construction, Working, and Application
A semiconductor diode designed to experience the avalanche breakdown is known as an avalanche diode. In electronics, avalanche diode can operate at a specified reverse bias voltage. There are several…
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Protection of Power Devices and Converters
Protection of Power Devices and Converters Power electronic devices operate from the supply of utility power. And the utility power may contain disturbances. Therefore, protection of power devices and converters…
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Difference between Microprocessor and Microcontroller
Microcontroller and Microprocessor both terms seem similar. But both devices has huge difference. The microprocessor is the heart of the system and the microcontroller is the brain of the system….
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PN Junction Diode
In this article, we will learn What is forward bias and reverse bias in PN Junction? What is diffusion current and drift current? What is an avalanche breakdown? Before going…
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Bipolar Junction Transistor (BJT)
In the article of diode, we have seen that it is a two-terminal simple PN Junction device. If we connect two diodes back to back in such a way that,…
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Turn-off Methods (Commutation) of SCR
The Silicon Controlled Rectifier (SCR) is a unidirectional three-terminal device. When gate pulses are given to the SCR, it starts conducting. There are several methods to turn on (trigger) SCR….
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SCR Triggering (Turn-on) Methods
When SCR anode terminal of SCR is connected with a positive terminal of SCR and cathode terminal of SCR is connected with a negative terminal of SCR. In this type…
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Silicon Controlled Rectifier (SCR) – Thyristor
Before the invention of thyristor, semiconductor diodes are used for rectification. But the diodes are not helpful for high voltage applications. A thyristor is invented to overcome this disadvantage that…
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Inverter: Types and Applications
An inverter is a device used to convert DC power into AC power. The inverter is not a power generator, because it not produces electrical energy. The inverters converts one…
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