IEEE Std 80 Step Potential and Touch Potential Calculation
Potential Hazards Step potential is the voltage difference between the feet of a person near an energized, grounded object. A person on the ground is subjected to the risk of …
CAUTION! Do not mix LV and ELV in Multicore Control Cable
Mixing low voltage (LV) and extra-low voltage (ELV) control voltages in a multicore cable is a common mistake committed by inexperienced design engineers. Combining these control voltages may look good …
Low Voltage Three Phase AC Motors Protection – Part 5
This is Part 5 of the series of articles about three (3) phase Ac motor protection. Links to others parts could be found in below links: Part 1 Part 2 …
Low Voltage Three Phase AC Motors Protection – Part 3
This is Part 3 of the series of articles about three (3) phase Ac motor protection. Part 1 could be found here and the link for Part 2 is here. …
Low Voltage Three Phase AC Motors Protection – Part 2
This is Part 2 of the series of articles about three (3) phase Ac motor protection. Part 1 could be found here. Overload Protection Overload protection permits the motor to …
Low Voltage Three Phase AC Motors Protection – Part 1
This article will be divided into several sections to discuss the control of three (3) phase AC motors including protective features available for the control of starting and operating this …