Interfacing ICs Articles

Interfacing ICs Articles: Features of 8255 Microprocessor: Here we see programmable peripheral interface (PPI), 8255, designed by Intel. It is a general purpose programmable I/O device used for parallel data…

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ADC0804 Family

ADC0804 Family: The ADC0804 Family are ADC0803, ADC0804 and ADC0805 are CMOS 8-bit successive-approximation analog to digital converters. These devices are design to operate from common microprocessor control buses, with…

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Introduction to Static Relays Articles

Introduction to Static Relays Articles: Characteristic Functions of Protection Relay : Characteristic Functions of Protection Relay elements using different operating principles. These principles and design criteria determine how well the…

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Microprocessors and Control for Electric Drives Articles

Microprocessors and Control for Electric Drives Articles: Introduction to Microprocessors and Control of Electric Drives: Conventionally, control of thyristor converter fed electrical drives (both dc and ac) is performed using…

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Control of DC Drives Using Microprocessors

Control of DC Drives Using Microprocessors: The dc motors fed from thyristor converters for variable speeds are being ex­tensively used in general industrial applications. A dual converter, which is a…

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Function Generation and Linearisation

Function Generation and Linearisation: An important aspect of the closed loop control system is the use of Function Generation and Linearisation, e.g. in the control of induction motors there exists…

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Feedback Control in Drive System

Feedback Control in Drive System: Feedback Control in Drive System - A closed loop control of a variable speed drive system employing thyristor power converters is normally a discrete time…

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Speed Detector

Speed Detector: One important factor in the closed loop control of variable speed drives em­ploying solid state converters is the Speed Detector. In the dedicated hardware control using analog components,…

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