Results 71 to 80 of about 759,519 (200)

Short-term voltage stability analysis in power systems: A voltage solvability indicator

International Journal of Electrical Power & Energy Systems
This paper presents an analytical study for short-term voltage stability based on a novel indicator. First, it is shown that the reduced Jacobian matrix of network equations can be transformed to obtain an approximately symmetric matrix which is usually ...
Wenqing Hao, Xueyi Wang, Yifan Yao, Deqiang Gan, Minquan Chen   +4 more
doaj   +1 more source

Influence of DC-Bus Voltage on Synchronization Stability of Grid-Following Converters

Shanghai Jiaotong Daxue xuebao
With the increasing penetration of new energy sources and the development of new power systems, grid-following converter (GFL) plays a crucial role in maintaining the stability of power systems.
SI Wenjia, CHEN Junru, ZHANG Chenglin, LIU Muyang
doaj   +1 more source

Stability analysis and voltage improvement in DG-integrated distribution networks using VCPI-based critical buses and lines detection considering uncertain power factor

Ain Shams Engineering Journal
Voltage stability ensures reliable and efficient power transmission to end-users, making it essential for power system efficiency. Dynamic load changes and rising power requirements might cause voltage instability and strain performance.
Hasan Saeed Qazi, Zia Ullah, Ahmad Alferidi, Mohammed Alsolami, Badr Lami, Syed Muhammad Abrar Akber   +5 more
doaj   +1 more source

Multi-objective approach for load shedding based on voltage stability index consideration

Alexandria Engineering Journal, 2014
In voltage stability analysis, it is useful to assess voltage stability of power systems by means of scalar magnitudes, or indices. Operators can use voltage stability indices to know how close the system to voltage collapse.
R. Kanimozhi, K. Selvi, K.M. Balaji
doaj   +1 more source

Continuous-phase frequency-shift-keyed generator [PDF]

, 1975
Device combines features of crystal oscillator frequency stability and voltage-controlled oscillator phase ...
Feryszka, M. S.
core   +1 more source

Some studies on the deformation of the membrane in an RF MEMS switch [PDF]

, 2008
Radio Frequency (RF) switches of Micro Electro Mechanical Systems (MEMS) are appealing to the mobile industry because of their energy efficiency and ability to accommodate more frequency bands.
Ambati, V.R., Asheim, A., Berg, van den, J.B., Bokhove, O., et al., xx, Gennip, van, Y., Gerasimov, T., Hlod, A.V., Planqué, R., Schans, van der, M., Stelt, van der, S., Vargas Rivera, M., Vondenhoff, E.   +12 more
core   +1 more source

Optimal Determination of Synchronous Condenser Placement and Voltage Setting for Enhancing Power System Stability

Energies
With the increasing share of renewable energy in power systems, the instability of the power systems is becoming increasingly significant. Consequently, power system stability has become a critical issue, and non-transmission alternatives have been ...
Juseong Lee, Hyeongjun Jo, Soobae Kim
doaj   +1 more source

Voltage stability assessment of grid connected PV systems with FACTS devices. [PDF]

Sci Rep, 2022
Abdullah MK, Hassan LH, Moghavvemi M.
europepmc   +1 more source

Assessment of the voltage stability of the power system using stability indices and artificial neural network

Science and Technology for Energy Transition
Voltage Stability Indicators (VSI) play a significant role in determining the voltage stability of the power system. In order to forecast the voltage instability of the system using voltage stability indicators, this paper presents an implementation of ...
Gupta Santosh Kumar, Mallik Sanjeev Kumar, Yadav Lokesh Kumar, Tripathi Jayant Mani, Ranjan Ashish, Sahu Pankaj, Rahman Md Atiqur, Kesh Rishi, Singh Vishnu   +8 more
doaj   +1 more source

Optimal allocation of multi-type FACTS devices for mitigating wind power spillage with enhancing voltage stability and social welfare. [PDF]

Sci Rep, 2023
Fawzy S, Abd-Raboh EE, Eladl AA.
europepmc   +1 more source