Base Drive Circuits: Driving Power BJT
Base Drive Circuits: Driving Power BJT This post will explain about the Power transistor base drive circuit. It is good to know about Power transistor basics, Characteristics...
View ArticleBasic Power Electronics Interview Questions : Set-3
Basic Power Electronics Interview Questions In the series of basic power electronics interview questions, we had added some more questions in this set-3. These basic power...
View ArticleSilicon Controlled Switch (SCS): Basics, Operation, Application
Silicon Controlled Switch (SCS): Basics, Operation, Application This post will explain about one of the newly developed Power Semiconductor Device known as Silicon Controlled Switch [SCS]. It acts as a...
View ArticleOnline UPS Systems Tutorial
Online UPS Systems This post will explain about the Online UPS systems. The Uninterruptible Power Supply Systems are generally classified as Static UPS systems Rotary (or dynamic) UPS systems Hybrid...
View ArticleLine Interactive UPS Systems Tutorial
Line Interactive UPS Systems UPS - An Introduction: A UPS is a device that maintains a continuous electric power supply to the connected equipment(load) by supplying power from a separate source when...
View ArticlePower Electronics Basic Interview Questions : Set-4
Power Electronics Basic Interview Questions with Answers: In this post we are going to discuss about various Power Electronics Basic Interview Questions with brief answers...In this set, we will focus...
View ArticleComparison of Inverters: VSI vs CSI
Comparison of Inverters: VSI vs CSI This post will discuss about the difference between Voltage Source Inverter and Current Source Inverter. Before proceeding further we will get the introduction about...
View ArticleOffline UPS Systems Tutorial
Offline UPS Systems UPS Introduction: The "Uninterruptable Power Supply" is also called as Standby Power Supply, since they stand by whilst the main power supply is working....
View ArticleSCR Parallel Operation
SCR Parallel Operation Tutorial Introduction: The SCRs are connected in a parallel manner to meet the high current demand. In this post we are going to see the...
View ArticleElectric Traction System Requirements, Terms, Advantages
Requirements, Advantages & Disadvantages of Electric Traction System [1] What are the requirements of an ideal electric traction system? The requirements of an ideal traction system are The...
View ArticleElectrical Drives Interview Questions
Electrical Drives Interview Questions [Q] Name some of the various methods of traction motor control? Rheostatic control Thyristor control Metadyne control Buck and boost method Series parallel control...
View ArticleSCR Series Operation Tutorial
Series Operation of SCRs Necessity of SCR series connection: For some industrial applications, the demand for voltage and current ratings is so high that a single SCR cannot meet such...
View ArticleElectrical Drives Anna University Previous Year Question Papers with Answers
Anna University Previous Year Question Papers with Answers on Electrical Drives [1] What is meant by V/F control? When the frequency is reduced, the input voltage must be reduced proportionally so as...
View ArticleAnna University ME Power Electronics and Drives Previous Year Question...
Anna University ME Power Electronics and Drives Previous Year Question Papers In this post we had collected some of the Previous Year Anna University ME Exam Questions. Instead of giving entire...
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How to test SCR with ohmmeter?
Testing SCR with Ohmmeter : How to test the Silicon Controlled Rectifier [SCR] using Ohmmeter? This post will discuss about testing SCR - Silicon Controlled Rectifier with thte help of Ohmmeter. It is...
View ArticleBLDC vs DC Motor - Comparison between BLDC Motor and Conventional DC Motor
Comparison between BLDC Motor and Conventional DC Motor: In this post we will discuss about the Comparison of Permanent Magnet BLDC Motor with DC Motor. Before proceeding further it is highly...
View ArticleBLDC vs AC Motor - Comparison between BLDC motor with Induction Motor
Comparison between BLDC motor with Induction Motor: In this Post we will see the comparison between BLDC with Induction motor(BLDC vs AC Motor ). Before Proceeding further it is recommended to refresh...
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How to test Triac with Multimeter
How to test TRIAC with Digital Multimeter OR using Ohmmeter? In this shot post we will discuss about how to test the Triac. Introduction about Triac: TRIAC = TRIode for Alternating Current. The TRIAC...
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Power Electronics Interview Questions and Answers: Set-8
Power Electronics Interview Questions and Answers [1] Why self commutated devices are preferred over thyristors for chopper circuits? Self commutated devices such as power MOSFETs, power Transistors,...
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How Snubber Circuit protects SCR?
How the Snubber Circuit is working? The Snubber circuit is one type of dv/dt protection circuit of the thyristor. With the help of snubber circuit, the false turn-on of a thyristor due to large dv/dt...
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