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 …
Voltage and Frequency Limits of Electric Motors – IEC 60034-1
Electric motors rated for use on a fixed frequency power supply, combinations of voltage variation and frequency variation are classified as being either zone A or zone B, in accordance …
Specification Guide for Electric Motors
This simple and objective guide was created by WEG to help those who buy, sell and work with such equipment. It brings important information for the operation of various types …
Matching the Induction Motor Rating to the Driven Load Power
It is of utmost importance that an induction motor selected for a particular application to have sufficient power and torque to be able to function properly and efficiently. Starting high …
Three Phase Voltage Unbalance – Causes, Effects & Mitigation
Voltage unbalance in a three phase system is a condition when the magnitude of at least one phase voltage is not within the acceptable limits of nominal voltage. There are …