Compliance to Statutory Laws
I was reminded of this article which I have written about many years ago when I attended some product presentations about variable speed drives. What catch my attention most was …
Electrical Engineers and Digital Technologies
Electrical Engineers play a crucial role in the development and implementation of digital technology. Digital technology encompasses a wide range of applications including computer systems, telecommunications, digital signal processing, control …
Selection of System Voltage
The selection of utilization and distribution voltage levels is one of the most important considerations in power system design. System voltages usually affect the economics of equipment selection and plant …
Low-voltage Circuit Breaker Distribution Systems
High Capacity Service Entrance High capacity service entrances are those installations having continuous current ratings above 600 amperes and available fault currents up to 130kA rms symmetrical amperes at 240 …
Why Wye-Wye Transformer Connection is Bad?
Transformer Primary Connections Transformer primaries are usually connected in delta. The wye connection is occasionally used and may or may not have its neutral grounded. If the transformer secondary is …
System Grounding
Secondary Grounding When a wye connected circuit and solidly or effectively grounded neutral is used, the following benefits are obtained in addition to the dual voltage capability, (a) A single …