You have likely heard of variable valve timing by one of the names manufacturers have for the system, such as VVT-i or VTEC. So what is it and what does it do?

This article deals with the design of a digital current control applied to a variable-speed low inductance brushless dc (BLdc) motor drive. A robust static full-state feedback control law is ...

ABB introduces the LV Titanium Variable Speed Motor, combining high-efficiency motors with VSD technology for industrial applications. The compact, customizable design offers significant energy ...

Using their fast power reduction capabilities, the induction motor variable speed drives can successfully participate in the power system primary frequency control. A new control strategy for fast ...

Its single- and two-speed pumps are more affordable initially than the variable or specialty pumps, but variable pumps might be more cost-efficient to run throughout the year.

The best variable speed pool pump not only will render excellent performance but also save some figures on the electric bill. Check them out here.

We have tested 20+ blenders long enough to deeply understand the pros and cons of each. The following picks are the most powerful blender for smoothies.