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 …