# 'Normal thyristors' presentation slideshows

## POWER ELECTRONICS

POWER ELECTRONICS. EE‐312 Engr.Talha Ahmed Khan. Introduction to Power Electronics. Power Electronics = Power + Control + Electronics Control deals with the steady state and dynamic characteristics of closed loop systems.

By blue
(539 views)

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## Thyristors

2. Thyristors. Switching Semiconductor DevicesOff and maximum resistanceOn and minimum resistanceTypically Switch PowerUsually high current and/or high voltagesAC loads most commonlyDC loads under special conditions. 3. Types of Thyristors. SCR - Silicon Controlled RectifiersUJT - Unijunction

By diem (160 views)

## Thyristors

Thyristors. Why Thyristors?.

By daphne-ayers (119 views)

## Les thyristors

Les thyristors. Le SCR. Dispositif à 4 blocs (PNPN) Si on polarise le NPN en fournissant un courant à la Gate, le NPN conduit. Le courant Ic du NPN = Ib du PNP, cela polarise le PNP, le PNP conduit, son collecteur fournit un courant de base Ic au NPN.

By jagger (106 views)

## Thyristors (SCRs)

Lecture Notes. Thyristors (SCRs). OUTLINE • SCR construction and I-V characteristics. • Physical operation of SCRs. • Switching behavior of SCRs • dv/dt and di/dt limitations and methods of improving them. • SCR drive circuit considerations. Thyristor (SCR) Geometry.

By dawn-mack (167 views)

## How Thyristors operate?

How Thyristors operate?. If not gated, R=  in case -V RRM < V AK < +V RRM If V AK > 0 and gated (V GK =2…5 V) it starts conducting (R=0) and stays so even if the gate voltage disappears (latch) Once in conduction it turns automatically off (no command): If reverse biased ( V AK <0)

By keziah (85 views)

## Dual Converter using Thyristors

Dual Converter using Thyristors. Dual Converter using Thyristors. Introduction. A.C. motors have the great advantages of being relatively inexpensive and very reliable.

By downing (0 views)

## Thyristors Introduction & Characteristics

Thyristors Introduction & Characteristics. Introduction. One of the most important type of power semiconductor device. Compared to transistors, thyristors have lower on-state conduction losses and higher power handling capability.

By kelsie-wilkinson (70 views)