Results 171 to 180 of about 10,974 (221)
The Effects of Bariatric Surgery on Female Fertility: A Narrative Review. [PDF]
Int J Mol SciIliopoulou M +4 more
europepmc +1 more source
A Comparative Study of Single-Loop VSG and Multi-Loop VSG
Energy Reports, 2022 The large-scale access of renewable energy generation has caused weak grid and a series of instability issues. Virtual synchronous generators (VSG), which can support the voltage and frequency, are gaining increasing applications. At present, there are two main types of VSG. One is single-loop VSG containing only a power control loop.
Zixuan Guo, Han Feng, Jilei Wang
exaly +3 more sources
Distinct, Developmental Stage-Specific Activation Mechanisms of Trypanosome VSG Genes [PDF]
Parasitology, 1990 The metacyclic form of African trypanosomes is the first to express genes for the Variant Surface Glycoprotein (VSG) and it uses an unusually predictable subset of the VSG gene repertoire.
Paul G Shiels, Keith Matthews, J D Barry
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Epigenetic Regulation of VSG Expression [PDF]
Nature Reviews Microbiology, 2010 Sheilagh Molloy
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Control of VSG Gene Expression Sites
Molecular and Biochemical Parasitology, 2001Trypanosoma brucei survives in mammals by antigenic variation of its surface coat consisting of variant surface glycoprotein (VSG). Trypanosomes change coat mainly by replacing the transcribed VSG genes in an active telomeric expression site by a different VSG gene.
Piet Borst
exaly +3 more sources
IEEE Transactions on Industrial Electronics, 2019
The premise that the virtual synchronous generator (VSG) can actively support the weak grid is that the VSG can operate stably. In this paper, the small-signal sequence impedance models of the voltage-controlled VSG and the current-controlled VSG are built and the sequence impedance characteristics of these two types of VSGs are compared and analyzed ...
Wenhua Wu 0001 +9 more
openaire +2 more sources
The premise that the virtual synchronous generator (VSG) can actively support the weak grid is that the VSG can operate stably. In this paper, the small-signal sequence impedance models of the voltage-controlled VSG and the current-controlled VSG are built and the sequence impedance characteristics of these two types of VSGs are compared and analyzed ...
Wenhua Wu 0001 +9 more
openaire +2 more sources
An Improved VSG control strategy for Microgrid
2021 IEEE International Conference on Electrical Engineering and Mechatronics Technology (ICEEMT), 2021New energy power generation system, droop control field and ship distributed system have been widely used the control strategy of virtual synchronous generator (VSG). However, the traditional VSG control strategy neglects power decoupling ability and inertia in the torque governor and excitation control.
Fangying Zhu +6 more
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VSG Simplified Damper Winding: Design Guidelines
IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019The growing spread of renewable energy sources has brought the issue of providing virtual inertia to the electric power system. Virtual Synchronous Generators (VSGs) are a valid solution capable of adding inertial behavior to static grid-tied converters.
F. Mandrile, E. Carpaneto, R. Bojoi
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On the Spectral Efficiency of VSG CDMA in Nakagami and Rician Fading
IEEE Transactions on Wireless Communications, 2007This paper presents new analytical expressions for the spectral efficiency of Variable Spreading Gain Code Division Multiple Access (VSG CDMA) networks in a Nakagami and Rician fading environments. These are used to gain insight into the impact of fading and background noise on the optimal transmit powers. Numerical results for a dual class and 5-class
Khairi Ashour Hamdi +1 more
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