Abstract: This article proposes a novel low-voltage ride-through (LVRT) control strategy for doubly-fed variable-speed pumped hydro storage (VS-PHS) units. Unlike conventional LVRT approaches for ...

Abstract: The implementation of Variable Speed Drives (VSDs) in motor speed control systems offers significant energy and cost savings by adjusting motor speeds to match load requirements. This ...

Speed limits are a subject of constant discussion across America, and because of decentralized state regulation over the limits, there can be a wide variance in limits from state to state. Arizona, ...

Colorado transportation officials say the rollout of a new automated speed camera program is having its intended effect, cutting speeding by nearly 80% — even before the pilot program has begun ...

LA MESA, Calif. (FOX 5/KUSI) — The city of La Mesa is seeking input on its speed hump program. For several weeks now, a temporary speed hump has been in place in front of city hall. The La Mesa city ...

Speed limits across Texas roads are about to get smarter. In an effort to make highways safer and more responsive to real-time conditions, state officials are beginning a wider rollout of variable ...

Add Yahoo as a preferred source to see more of our stories on Google. RALEIGH, N.C. (WNCN) — It goes without saying that a reliable internet connection is certainly mandatory to interact with most ...

RALEIGH, N.C. (WNCN) — It goes without saying that a reliable internet connection is certainly mandatory to interact with most facets of life now. While the majority of the state has access to ...