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A novel method to investigate voltage stability of IEEE-14 bus wind integrated system using PSAT

Satish KUMAR,Ashwani KUMAR,N. K. SHARMA

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 410-418 doi: 10.1007/s11708-016-0440-8

Abstract: This power demand may be either industrial usage or household applications.energy resources with conventional power generation methods.In the present scenario, wind energy system is one of the methods to generate power in connection withthe conventional power systems.system is verified by calculating the power flow (PF) using the power system analysis tool box (PSAT)

Keywords: voltage stability     line indices     power system analysis tool box (PSAT)     wind system     line loading     power flow    

Multi-axle dynamic steering system of truck-howitzer

LI Yanliang, GAO Xiuhua, ZHANG Chunqiu, SUN Yubo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 44-49 doi: 10.1007/s11465-008-0002-9

Abstract: Results indicate that the system stability is decided by the vehicle barycenter position and the lateralThe system rapidly responds, the vehicle smoothly steers, and its handling stability is prominently improved

Keywords: multi-axle     acceleration     relationship     smoothly     handling stability    

Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 916-929 doi: 10.1007/s11708-021-0757-9

Abstract: Space nuclear reactor power (SNRP) using a gas-cooled reactor (GCR) and a closed Brayton cycle (CBC)is the ideal choice for future high-power space missions., energy conversion unit, pipes, heat exchangers, pump and heat pipe radiator are established and a systemIn full-power steady-state operation, the core hot spot of 1293 K occurs near the upper part of the coreThe system finally has the ability to achieve a new steady-state with a higher reactor power.

Keywords: gas-cooled space nuclear reactor power     closed Brayton cycle     system startup and shutdown     positive reactivity    

RETRACTED ARTICLE: Dynamic stability enhancement of interconnected multi-source power systems using hierarchical Article

Ali Darvish FALEHI,Ali MOSALLANEJAD

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 3,   Pages 394-409 doi: 10.1631/FITEE.1500317

Abstract:

Suppression of the dynamic oscillations of tie-line power exchanges and frequency in the affectedTo alleviate the system oscillation resulting from such load changes, implementation of flexible AC transmissionseries compensator (TCSC), which is one series type of the FACTS family, is used to augment the overall dynamicperformance of a multi-area multi-source interconnected power system.To this end, we have used a hierarchical adaptive neuro-fuzzy inference system controller-TCSC (HANFISC-TCSC

Keywords: Hierarchical adaptive neuro-fuzzy inference system controller (HANFISC)     Thyristor-controlled series compensator(TCSC)     Automatic generation control (AGC)     Multi-objective particle swarm optimization (MOPSO)     Powersystem dynamic stability     Interconnected multi-source power systems    

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: It is well recognized that the voltage stability of a power system is affected by the load model andpower system, the loads need to be considered along with the generators in a transient analysis.This aggregate model is used as a dynamic load model.For different simulation studies, especially in the area of voltage stability with reactive power compensationof an isolated hybrid power system, the transfer function of the composite load is required.

Keywords: isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor load    

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finiteelement and power cone programming

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0035-5

Abstract: Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finiteelement and power cone programming

Keywords: finite element power     stability rock escarpment    

Integration of renewable energies, flexible loads and storages into the German power grid: Actual situationin German change of power system

Harald SCHWARZ, Xiaoshu CAI

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 107-118 doi: 10.1007/s11708-017-0470-x

Abstract: Starting from the late 1990’s, the German government decided to change the national electric power supplysystem dramatically.system.stability in total, are German grid operators allowed to announce curtailments by emergency measuresTherefore, a tremendous change is needed within the German power grid.

Keywords: grid integration     renewable energies     system stability     storages     flexible loads     new market design    

Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 386-393 doi: 10.1007/s11708-014-0323-9

Abstract: Accurate modeling and parameters of high voltage (HV) grid are critical for stability research of systemIn this paper, simulation modeling of the system frequency was conducted of an interconnected power systemBased on recorded tripping data of the HV transmission lines, system parameters were identified by usingbetween simulation results and recorded data verifies the validity of gird models and the accuracy of systemThe results of this paper can provide reference for the stability research of HV power grid.

Keywords: high voltage (HV) grid     frequency stability parameter identification     primary frequency regulation (PFR    

Effect of undercut on the lower bound stability of vertical rock escarpment using finite element andpower cone programming

Shuvankar DAS; Debarghya CHAKRABORTY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 1040-1055 doi: 10.1007/s11709-022-0841-1

Abstract: In the present study, the stability of a vertical rock escarpment is determined by considering the influenceLower bound finite element limit analysis in association with Power Cone Programming (PCP) is appliedThe change in stability due to the presence of undercut is expressed in terms of a non-dimensional stabilityThe obtained results indicate that undercut can cause a severe stability problem in rock mass havingdeveloped design equation as well as design charts can be useful for practicing engineers to determine the stability

Keywords: undercut     vertical escarpment     stability     Hoek-Brown yield criterion     PCP    

Retraction Note to: Dynamic stability enhancement of interconnected multi-source power systems using Retraction Note

Ali Darvish FALEHI, Ali MOSALLANEJAD

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 5, doi: 10.1631/FITEE.19r0001

Abstract: None

Keywords: None    

Theory and Method of Power System Integrated Security Region Irrelevant to Operation States: An Introduction Feature Article

Yixin Yu, Yanli Liu, Chao Qin, Tiankai Yang

Engineering 2020, Volume 6, Issue 7,   Pages 754-777 doi: 10.1016/j.eng.2019.11.016

Abstract:

How to comprehensively consider the power flow constraints and various stability constraints in aseries of power system optimization problems without affecting the calculation speed is always a problemstability.Based on this finding, the calculation time for power system probabilistic security assessment (i.e.,risk analysis) and power system optimization with security constraints can be decreased by orders of

Keywords: Security region     Composition     Power flow security     Static voltage stability     Small-disturbance stability     Transient stability     Dynamics nature     Topological and geometric characteristics Hyperplane    

Smart Grid Wide-Area Transmission System Visualization Artical

Thomas J. Overbye,James Weber

Engineering 2015, Volume 1, Issue 4,   Pages 466-474 doi: 10.15302/J-ENG-2015098

Abstract: creation of what is generically referred to as the “smart grid” for the electric transmission systemThis paper presents a survey of some visualization techniques that have been deployed by the electric power

Keywords: electric power systems     wide-area visualization     power flow     transient stability     smart grid     sparklines    

Event-triggered dynamic output-feedback control for a class of Lipschitz nonlinear systems Research Article

Zhiqian LIU, Xuyang LOU, Jiajia JIA

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1684-1699 doi: 10.1631/FITEE.2100552

Abstract: First, a continuous-time controller is constructed and sufficient conditions for stability of the nonlinearConsequently, a closed-loop hybrid system is obtained using the strategy.Sufficient conditions for stability of the closed-loop system are established in the framework of hybridFinally, numerical examples of a neural network system and a genetic regulatory network system are provided

Keywords: Lipschitz nonlinear system     Dynamic output-feedback control     Event-triggered control     Global asymptoticstability    

Stability of General Linear Dynamic Multi-Agent Systems under Switching Topologies with Positive Real Article

Shengbo Eben Li, Zhitao Wang, Yang Zheng, Diange Yang, Keyou You

Engineering 2020, Volume 6, Issue 6,   Pages 688-694 doi: 10.1016/j.eng.2020.05.006

Abstract:

The time-varying network topology can significantly affect the stability of multi-agent systems.This paper examines the stability of leader–follower multi-agent systems with general linear dynamicsare used to design a distributed control law and estimate the convergence speed of the closed-loop systemA common Lyapunov function is formulated to prove closed-loop stability for the directed network withThe result is applied to a typical cyber–physical system—that is, a connected vehicle platoon

Keywords: Stability     Multi-agent system     Switching topologies     Common Lyapunov function    

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 203-213 doi: 10.1007/s11465-011-0131-4

Abstract:

Crack on a shaft is one of the common damages in a rotor system.vibrations are calculated to compare the influences of transverse crack and slant crack on the rotor systemResults show that the vibration amplitude of the rotor system with a 45° slant crack on the shaftStability and dynamic characteristics of the rotor system with a 45° slant crack on the shaft underThe results are helpful for the understanding the dynamic behavior of a rotor system with a slant crack

Keywords: rotor dynamics     slant crack     stability     torsional excitation     open and close    

Title Author Date Type Operation

A novel method to investigate voltage stability of IEEE-14 bus wind integrated system using PSAT

Satish KUMAR,Ashwani KUMAR,N. K. SHARMA

Journal Article

Multi-axle dynamic steering system of truck-howitzer

LI Yanliang, GAO Xiuhua, ZHANG Chunqiu, SUN Yubo

Journal Article

Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Journal Article

RETRACTED ARTICLE: Dynamic stability enhancement of interconnected multi-source power systems using hierarchical

Ali Darvish FALEHI,Ali MOSALLANEJAD

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finiteelement and power cone programming

Journal Article

Integration of renewable energies, flexible loads and storages into the German power grid: Actual situationin German change of power system

Harald SCHWARZ, Xiaoshu CAI

Journal Article

Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Journal Article

Effect of undercut on the lower bound stability of vertical rock escarpment using finite element andpower cone programming

Shuvankar DAS; Debarghya CHAKRABORTY

Journal Article

Retraction Note to: Dynamic stability enhancement of interconnected multi-source power systems using

Ali Darvish FALEHI, Ali MOSALLANEJAD

Journal Article

Theory and Method of Power System Integrated Security Region Irrelevant to Operation States: An Introduction

Yixin Yu, Yanli Liu, Chao Qin, Tiankai Yang

Journal Article

Smart Grid Wide-Area Transmission System Visualization

Thomas J. Overbye,James Weber

Journal Article

Event-triggered dynamic output-feedback control for a class of Lipschitz nonlinear systems

Zhiqian LIU, Xuyang LOU, Jiajia JIA

Journal Article

Stability of General Linear Dynamic Multi-Agent Systems under Switching Topologies with Positive Real

Shengbo Eben Li, Zhitao Wang, Yang Zheng, Diange Yang, Keyou You

Journal Article

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article