Microprocessors and Control for Electric Drives

Microprocessors and Control for Electric Drives:

Applications and Functions of Microprocessors in Electric Drives : With the remarkable progress in the area of microelectronics, reliable and powerful microprocessors have come to be more widely used in the control of electrical drives. …


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 combination of two antiparallel …


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 system when a microprocessor …


Field Oriented Control of Three Phase Induction Motor : The stator current of an induction motor has the functions of producing the required air gap flux (magnetisation) as well as developing the required torque to …


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 a definite non­linear relationship …


Gate Firing Converters : The firing pulse control unit constitutes the heart of any thyristor power con­verter. The Gate Firing Converters required by the thyristors are often derived from the digital pulses using a simple …


Hardware Systems Versus Microprocessor Control : The Hardware Systems Versus Microprocessor Control control of electric drives offers the following advantages when compared to the dedicated hardware control. As has already been discussed, the use of microprocessors …


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


Inverter Control using Terminal Voltage Sensing : The Inverter Control using Terminal Voltage Sensing of the synchronous motor is obtained using the triggering pulses to the inverter which are synchronized with the rotor position. These …


Margin Angle Control of Synchronous Motors : The commutation Margin Angle Control of Synchronous Motors is defined as the angle measured from the end of commutation to the crossing of the phase voltage which was …


Microprocessor Control of a Current source Inverter Fed Synchronous Motor : A drive system employing a Current source Inverter Fed Synchronous Motor has the following features: A four quadrant drive can be accomplished very easily. A self …


Microprocessor Control of Synchronous Motor Drives : Variable speed drives employing Microprocessor Control of Synchronous Motor Drives are becoming very popu­lar in industrial applications. They are an immediate solution for high power reversible drives and …


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, the speed sensing is …


Updated: May 1, 2020 — 1:09 pm