Results 1 to 10 of about 374,857 (164)
Evaluation of variable speed drives to improve energy efficiency and reduce gas emissions: Case study [PDF]
Variable speed drives are the most promising technique for reducing electric motors' energy consumption. This paper discusses energy savings by installing variable speed drives to control rotating equipment motors such as pumps, compressors, blowers, and
Sadek Mohamed +2 more
doaj +2 more sources
Tuning of modern speed drives using IFOC: A case study for a five-phase induction machine
Electric machines have existed since the beginning of the 19th century. Although variable-speed drive technology has evolved considerably during the last years, the indirect field-oriented control technique has been in use as a standard control method ...
F. Barrero +3 more
doaj +3 more sources
Electric shock hazard in circuits with variable-speed drives [PDF]
S. Czapp, J. Guzinski
doaj +2 more sources
Sophisticated torque-current control is required in inertial load-drive applications, such as in electric vehicles and electric railway vehicles, over a wide speed range.
Masaki Nagataki +3 more
doaj +1 more source
Online Auto-Tuning Method in Field-Orientation-Controlled Induction Motor Driving Inertial Load
Feed-forward current control, which employs a single-pulse mode of inverters over a wide speed range, is applied in inertial load drive applications such as electric vehicles and electric railway vehicles.
Masaki Nagataki +4 more
doaj +1 more source
This paper analyzes the operation and characterizes the performance of a three-phase three-level (3-L) Sparse Neutral Point Clamped converter (SNPCC) for industrial variable speed drives (VSDs).
D. Cittanti +4 more
semanticscholar +1 more source
Primary Frequency Control Using Motor Drives for Short Term Grid Disturbances
Industrial motor systems make up a quarter of all electric sales in the United States. Variable speed drives (VSDs) can provide energy efficiency savings to the customer by regulating motor speed based on specific and varying needs.
Taylor L. Short +6 more
doaj +1 more source
Variable Speed Drives in Electric Elevator Systems: A Review
Due to the industrial development and the growing modernity, the elevator systems have become indispensable in many multi-story buildings. When electrical elevators are employed to transport people, riding comfort becomes a very important issue ...
Saba A. Othman +2 more
semanticscholar +1 more source
Hydraulic Switching Control Supplementing Speed Variable Hydraulic Drives
Primary control of linear motion by variable speed electric motors driving a hydraulic cylinder via a constant displacement pump is an established and successful concept with a frequent use in industry.
Philipp Zagar +3 more
doaj +1 more source
A variable frequency injection method for modular multilevel converters in variable speed drives
Modular multilevel converter (MMC) is a novel circuit that has appeared in the last few decades, and has been extensively applied to medium/high voltage scenarios, especially in motor drive owing to its scalability and easy to supply a higher number of ...
Guanlong Jia +4 more
doaj +1 more source

