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 under…
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 signals…
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…
Microprocessor Control of Synchronous Motor Drives: Variable speed drives employing Microprocessor Control of Synchronous Motor Drives are becoming very popuÂlar in industrial applications. They are an immediate solution for high power reversible drives and are…
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 drive…
Control of DC Drives Using Microprocessors: The dc motors fed from thyristor converters for variable speeds are being exÂtensively used in general industrial applications. A dual converter, which is a combination of two antiparallel connected…
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 nonÂlinear relationship between…
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 is…
Gate Firing Converters: The firing pulse control unit constitutes the heart of any thyristor power conÂverter. The Gate Firing Converters required by the thyristors are often derived from the digital pulses using a simple buffer…
Speed Detector: One important factor in the closed loop control of variable speed drives emÂploying solid state converters is the Speed Detector. In the dedicated hardware control using analog components, the speed sensing is accomplished…
