Data Acquisition Articles: Data Acquisition System: A typical Data Acquisition System consists of individual sensors with the necessary signal conditioning, data conversion, data processing, multiplexing, data handling and associated transmission,…
Motor Control Articles: Motor Control by Static Power Converters: Motor Control by Static Power Converters – Power electronics is a multidisciplinary technology that encompasses power semiconductor devices, converter circuits, electric…
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…
Control of Electric Motor Articles: Control of DC Electric Motor: A separately excited DC Electric Motor is very versatile as a variable speed motor. Its speed can be varied by…
Applications of Electric Drives Articles: Applications of Electric Drives: The industrial Applications of Electric Drives are numerous. To arrive at a particular motor of suitable size for a given application,…
Measurement of High Direct Current: High magnitude direct currents are measured using a resistive shunt of low ohmic value. The voltage drop across the resistance is measured with a millivoltmeter.…
Peak Reading AC Voltmeter Circuit: Peak Reading AC Voltmeter Circuit : When a capacitor is connected to a sinusoidal voltage source, the charging current where V is the rms value…
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…