In this exciting DIY tutorial, discover the step-by-step process to make a powerful RPM DC motor from scratch. Perfect for ...

Energy efficiency is a key driving force for the growing adoption of variable-speed drives in motor-control applications, according to John Pocs, senior systems applications engineer at NEC ...

The DynaMotor from DynaMotors Inc., Warrensville Heights, Ohio, uses optically controlled solid-state switches embedded in the rotor windings to control current and, thus, torque, making the motor ...

It's easy to understand how variable-speed motor drives benefit pumps and blowers from the energy curves that depict their performance.

The Eon 42 variable-speed, constant-torque motor is designed for direct-drive blower applications such as fan coils, kitchen ventilators, air curtains, and unit heaters/coolers. According to the ...

ON Semiconductor has introduced a motor development kit for motors up to 4kW, and soon to 10kW. “In order to improve efficiency, ac induction motor drives designers must understand how these and other ...

The Ultratech™ variable-speed motor is a four-wire electronically commutated motor with two-way communication. The motor receives commands from the furnace system control board, executes the command, ...

Enter the Ingersoll Rand 3/8-inch 14.4-volt variable speed ratchet. This ingenious tool is the most powerful cordless ratchet in its class, with an amazing 70 lb-ft of torque on tap.