Results 101 to 110 of about 1,548,936 (214)

A Data-Driven Control Parameter Optimization Framework for Enhancing Frequency Stability in High-Renewable-Penetration Power Systems

open access: yesEnergies
As the penetration rate of renewable energy continues to rise, the equivalent inertia of power systems has significantly decreased, leading to a marked degradation in frequency stability support capabilities.
Lin Cheng   +5 more
doaj   +1 more source

Machine learning-based fast frequency response control for a VSC-HVDC system

open access: yesCSEE Journal of Power and Energy Systems, 2021
Kaiqi Sun   +3 more
doaj   +1 more source

A new perspective on frequency control in conventional and future interconnected power systems

open access: yesInternational Journal of Electrical Power & Energy Systems
In the interconnected power systems, the frequency change during disturbances may manifest differently in certain areas in the initial moments after the disturbance. Due to wave propagation, generating units located in distant areas contribute to primary
Tomislav Baškarad   +2 more
doaj   +1 more source

Leak detection using instantaneous frequency analysis [PDF]

open access: yes, 2012
Leaking pipes are a primary concern for water utilities around the globe as they compose a major portion of losses. Contemporary interest surrounding leaks is well documented and there is a proliferation of leak detection techniques. Although the reasons
M. F., Ghazali, ghazali, mohd fairusham
core  

Optimization of Reserve Capacity for New Energy Participating in Primary Frequency Regulation of the Power System

open access: yesEnergies
The frequency regulation problem of the power system under the scenario of a high proportion of new energy access has attracted attention. It has become an important technical means for new energy to reserve a certain amount to participate in system ...
Yichao Jia   +7 more
doaj   +1 more source

The frequency-dependent directivity of a planar Fabry-Perot polymer film ultrasound sensor [PDF]

open access: yes, 2007
A model of the frequency-dependent directivity of a planar, optically-addressed, Fabry-Perot (FP), polymer film ultrasound sensor is described and validated against experimental directivity measurements made over a frequency range of 1 to 15 MHz and ...
Beard, PC, Cox, BT
core  

Linear system identification from frequency-response data [PDF]

open access: yes, 1977
When the input-output data of a system are given and the mathematical model of this system is desired, we have a system identification problem. In this thesis we identify the mathematical model of a system from frequency-response data.
Cohen, Mark Herman
core  

Design and simulation of a PI controller system with frequency response

open access: yesScience Journal of University of Zakho, 2016
It is convenient to have a minimum number of parameters that are tuned to control a system.  Proportional-integral-derivative (PID) controllers have this specification and are now daily used in a different field of application especially in industrial ...
Diyar A. S. Sadiq   +2 more
doaj  

Control System Design by Frequency Response Using Matlab [PDF]

open access: yes, 2016
In frequency response methods, we vary the frequency of the input signal over a certain range and study the resulting response. Although the frequency response of the control system presents a qualitative picture of the transient response, correlation ...
AL-Gburi, R. N. (Riyadh)   +1 more
core  

Frequency Response of the Respiratory System and its Components [PDF]

open access: yesProceedings of the Royal Society of Medicine, 1975
M J, Purves, J, Ponte
openaire   +2 more sources

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