Results 201 to 210 of about 559,157 (245)

Electrochemical Detection of Organophosphates Using Dual-Modal Enzyme-Based Biosensors. [PDF]

Anal Chem
Johnson ZT, Trammell SA, Breger JC, Erickson JS, Thakur M, Medintz IL, Stenger DA.   +6 more
europepmc   +1 more source

A paper-based immunoassay with signal amplification for the sensitive detection of nucleocapsid protein toward the diagnosis of long COVID.

Analyst
da Silva MD, Speidel R, Seth A, Carvalho HJC, Miglino MA, Badu-Tawiah AK.   +5 more
europepmc   +1 more source

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Striving for small-signal stability

IEEE Circuits and Devices Magazine, 2001
In this article, based on Bode's definition of return ratio with respect to a single controlled source, the loop-based two-port algorithm and device-based gain-nulling are proposed for small-signal stability analysis. These two algorithms are complementary in terms of applicability, and they produce accurate stability information for single-loop ...
M. Tian, V. Visvanathan, J. Hantgan, K. Kundert   +3 more
openaire   +1 more source

Small-signal stability analysis of delayed power system stabilizers

2014 Power Systems Computation Conference, 2014
This paper presents a stability analysis of power system stabilizers (PSS) for synchronous generators with inclusion of time delays. The paper shows that a time delay in the PSS feedback loop can improve the small-signal stability of a power system if the regulator gain is properly tuned.
Bokharaie, V., Sipahi, R., Milano, F.
openaire   +2 more sources

Small-signal stability monitoring using PMU

2014 IEEE International Energy Conference (ENERGYCON), 2014
The paper presents results of the research devoted to PMU-based power system small-signal stability monitoring. Proposed method allows tracking in-phase groups of generators and critical generators in the groups by analyzing low-frequency oscillations. Further developed, method is able to identify proximity to power system stability boundary.
Pavel Chusovitin, Andrey Pazderin
openaire   +1 more source