Inductance and Resistance Articles: Bundled Conductors in EHV Transmission Lines : It is economical to transmit large chunks of power over long distances by employing EHV lines. However, the line…
Ammeters Articles: DC Ammeter: The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can carry…
Synchronous Machine Articles: What is Synchronous Motor | Construction | Advantages: A synchronous Motor is one of the important types of electric machines; in fact all generating machines at power…
Series Resistance Microammeter: High d.c. voltages are usually measured by connecting a very high resistance (few hundreds of megaohms) in Series Resistance Microammeter as shown in Fig. 7.1. Only the…
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…
Electric Motor Cooling and Heating: The geometry of an Electric Motor Cooling is too complex to predict accurately the heat flow and temperature distribution. This is a difficult task. A…
What is Wave Analyzer?: It can be shown mathematically that any complex waveform is made up of a fundamental and its harmonics. It is often desired to measure the amplitude…
Various Factors of Frequency Effect on Calibration: The Various Factors of Frequency Effect on Calibration such as: Skin effect Non uniform distribution of current along the heater wires Spurious capacitive…