In addition to the Motors & Drives book, Polka has published several trade journal and website articles on such topics as: “What is a Drive,” “How to Maintain a VFD” and “Energy Savings with VFDs in ...

For variable torque applications operating predominately at partial loads, running these motors with variable frequency drives (VFD) saves significant energy. With lower noise levels due to ...

Existing solutions, such as variable frequency drives (VFDs), are costly and require significant space. VIDAR addresses these issues with an advanced variable frequency motor that is 60% smaller ...

ITT Inc has introduced Vidar, a new type of motor that embeds variable-speed intelligence directly into the motor to achieve ...