The history of electrical motors and their applications in transportation electrification can be traced back to 1831. From then to the present day, electrical motors have undergone tremendous ...

Attic fans are supposed to quietly protect your roof and your cooling bills, not threaten your rafters with a hidden ignition source. Yet a wave of fire reports and a massive recall of attic fan ...

A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

In the second article, we discussed the underlying principles of electric motors. Today we shall discuss one of the most important characteristics of the motors, field weakening. Field weakening is a ...

CAMBRIDGE, Mass. -- Aviation’s huge carbon footprint could shrink significantly with electrification. To date, however, only small all-electric planes have gotten off the ground. Their electric motors ...

A recent study investigates the thermal design of silicon carbide (SiC) power modules for motor drives in electric vehicles, with a focus on optimizing the layout of Pinfin structures to enhance ...

Q. What is the Code rule for sizing short circuit and ground fault protection for a single motor branch circuit? A. The motor branch circuit, short circuit and ground fault protective device must ...