Inrush currents associated with motor starting and transformer energizing can cause interaction problems with other loads in a facility or on the power system, particularly sags that trip loads.

When absolute precision isn't an issue, engineers can select PWM control and back-EMF (BEMF) sensing for a dc motor's speed control. The motor must also be protected from overload. Typical solutions ...

AcuAMP® Solid Core current transformers from AutomationDirect are instrumentation grade (commercial class) and provide a very cost-effective means of measuring primary current. Two different window ...

Design engineers are constantly faced with the challenge of specifying a transformer that will meet design specifications as well as cost constraints. The designer who draws up the circuit ...

Inrush currents associated with motor starting and transformer energizing can cause interaction problems with other loads in a facility or on the power system. These inrush currents can cause sags ...