SINGAPORE – In the dead of night when most people were asleep, work was being done to install essential equipment ahead of schedule at Potong Pasir MRT station. The job was to replace a rectifier ...

AC induction motors are widely used in industrial applications due to their reliability and low maintenance needs. Comprised of a stator and rotor, these motors convert electrical energy into ...

Variable frequency drives (or VFDs) are widely used throughout industry to provide adjustable speed control of ac motors. Although modern versions are relatively simple to install and operate, VFDs ...

Electromechanical energy meters have been the standard for metering electricity since billing began. But these are now being gradually replaced by electronic digital energy meters. Presented here is a ...

iDivision of Clinical Pharmacology, Department of Medicine, Cape Town, South Africa jSouth African Tuberculosis Vaccine Initiative, Institute of Infectious Disease and Molecular Medicine, Cape Town, ...

Keysight’s PEPro software tool simulates and estimates the value of parasitics. In power-conversion circuits, such as converters, inverters and switching power supplies, the operating frequency has ...

1 Department of Electrical and Electronic Engineering, Bangladesh Army University of Engineering and Technology (BAUET), Natore, Bangladesh. 2 Department of Mechanical Engineering, Bangladesh Army ...

Almost all off line switching power supplies over several kilowatts of output power use a three phase bridge rectifier. Typically, it comprises a six diode bridge and a DC bus filter capacitor. A ...