Medium Voltage
Comparison Between Vacuum and SF6 Circuit Breaker
Until recently oil circuit breakers were used in large numbers for Medium voltage Distribution system in many medium voltage switchgears. There are number of disadvantages of using oil as quenching media in circuit breakers. Flammability and high maintenance cost are… Read more
Sep 05, 2010 | By Edvard Csanyi
Variable Speed Drives
The Best Applications For Variable Frequency Drives (VFDs)
Advances The most commonly used motor in building HVAC applications is the three-phase, induction motor, although some smaller applications may use a single-phase induction motor. VFDs can be applied to both. While VFD controllers can be used with a range… Read more
Sep 03, 2010 | By Edvard Csanyi
