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Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 558-567 doi: 10.1007/s11709-017-0455-1

Abstract: The calculation formulae for change of wind load acting on the car-body are derived when a train movesinto or out of the wind barrier structure, the dynamic analysis model of wind-vehicle-bridge systemwith wind barrier is established, and the influence of sudden change of wind load on the running safetyIt is shown that the sudden change of wind load caused by wind barrier has significant influence on thewind barriers, and the difference increases rapidly with wind velocity.

Keywords： wind barrier     sudden change of wind load     dynamic response     running safety     comfort    

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Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 241-248 doi: 10.1007/s11709-009-0036-z

Abstract: In this paper, the along-wind and cross-wind fluctuating load distributions along the height of high-risebuildings and their correlations are obtained through simultaneous pressure measurements in a wind tunnelSome typical methods proposed in some relative literatures, i.e., load-response correlation (LRC), andquasi-mean load (QML) and gust load envelope (GLE) methods, are verified in terms of their accuracyin describing the background equivalent static wind load distribution on high-rise buildings.

Keywords： high-rise buildings     along-wind     cross-wind     background equivalent static wind load     close formulae    

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multi-functional dynamic state estimator for error validation: measurement and parameter errors and suddenload changes Article

Mehdi AHMADI JIRDEHI,Reza HEMMATI,Vahid ABBASI,Hedayat SABOORI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 11,   Pages 1218-1227 doi: 10.1631/FITEE.1500301

Abstract: The proposed algorithm also successfully detects and identifies sudden load changes in power systems.

Keywords： Dynamic state estimation     Kalman filter     Measurement errors     Branch parameter errors     Sudden load changes    

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Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 605-617 doi: 10.1007/s11709-018-0499-x

Abstract: the mean wind and aeroelastic loads are applied simultaneously in time domain.loads, which leads to incorrect mean wind structural responses.It is shown that, in cases of low wind speeds, the IF-denoted model reflects correctly the mean windload properties, and results in correct mean structural responses; in contrast, the RF-denoted modelinvestigated at both moderate and high wind speeds.

Keywords： bridge     aerodynamics     nonlinear     aeroelastic model     Pseudo-steady     mean wind loads    

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On Advanced Control Methods toward Power Capture and Load Mitigation in Wind Turbines

Yuan Yuan,Jiong Tang

Engineering 2017, Volume 3, Issue 4,   Pages 494-503 doi: 10.1016/J.ENG.2017.04.023

Abstract:

This article provides a survey of recently emerged methods for wind turbine control.optimization of power capture and the reduction of loads in components under time-varying turbulent windWe divide the related research activities into three categories: modeling and dynamics of wind turbines, active control of wind turbines, and passive control of wind turbines.mostly focuses on blade pitch control, which is considered one of the key elements in facilitating load

Keywords： Wind turbine     Control approach     Power optimization     Load mitigation    

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Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 307-322 doi: 10.1007/s11709-015-0288-8

Abstract: numerical analysis of tall reinforced concrete chimneys with piled raft foundation subjected to along-windThe chimneys were assumed to be located in terrain category 2 and subjected to a maximum wind speed ofThe along-wind loads were computed according to IS:4998 (Part 1)-1992.

Keywords： finite element method     piled raft     tall chimney     soil-structure interaction     along-wind load    

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Challenge of global climate change: Prospects for a new energy paradigm

Michael B. MCELROY

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 2-11 doi: 10.1007/s11783-010-0005-8

Abstract: Perspectives on the challenge posed by potential future climate change are presented including a discussionThe potential for wind energy as an alternative to fossil fuel energy as a source of electricity is outlined

Keywords： climate change     carbon capture     wind     ethanol     CO2     radiative forcing    

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Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 199-209 doi: 10.1007/s11709-012-0168-4

Abstract: the entire roof structure can be lifted off a building, particularly for low sloped roofs subject to wind-inducedfragility analysis of the collapse of steel roof frame structures under combined static and transient windUncertainties associated with wind load change rate and member imperfections are taken into account in

Keywords： collapse     dynamic response     fragility analysis     Monte Carlo simulation     wind load    

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Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 227-236 doi: 10.1007/s11708-012-0198-6

Abstract: The frequency of the power system varies based on the load pattern of the consumers.With continuous increase in the load, the frequency of the system keeps decreasing and may reach itsFurther increase in the load will result in more frequency drop leading to the need of load shedding,The load shedding steps were obtained based on the rate of change of frequency with the increase in theload in both areas.

Keywords： critical load     frequency response     load shedding     multi-area system     rate of change of frequency     superconducting    

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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: Frequency regulation in a generation mix having large wind power penetration is a critical issue, aswind units isolate from the grid during disturbances with advanced power electronics controllers andThus, it is important that wind turbines also contribute to system frequency control.This paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbinesimulations carried out in a two-area interconnected power system demonstrate the contribution of the DFIG in load

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversion    

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Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 90-102 doi: 10.1007/s11708-012-0224-8

Abstract: The dramatic change in the frequency can result in cascaded failure of the system.In order to avoid power system collapse, load shedding (LS) schemes are adopted with the optimal amountof load shed.paper proposed a methodology in a two-area thermal-thermal system for finding the required amount of loadThe LS steps have been obtained based on the rate of change of frequency with the increase in load in

Keywords： critical load     frequency response     load shedding (LS)     multi-area system     rate of change of frequency     linear    

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Disastrous weather trend under global climate change and its influence on offshore wind power

Ge Shanshan,Zhang Ren

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 71-77

Abstract: of disastrous weather in China is studied comprehensively, and the characteristics of global climate changeFurthermore, the response on extreme weather of China is explored under global climate change.Thus, metrological and hydrological factors that affect offshore wind power are proposed and analyzed, and the issue against the typhoon of offshore wind power station was especially emphasized.

Keywords： global climate change     disastrous weather     offshore wind power    

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Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 300-317 doi: 10.1007/s11709-018-0449-7

Abstract: The wind pressure distributions on gable roofs of low-rise buildings are investigated by a series ofwind tunnel tests which consist of 99 test cases with various roof pitches, height-depth ratios and width-depthdesign of low-rise buildings in typhoon area and act as references for the future’s modification of windload codes.

Keywords： low-rise building     gable roof     wind loads     wind tunnel test     block pressure coefficient     load code    

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Reactive power compensation of an isolated hybrid power system with load interaction using ANFIS tuned

Nitin SAXENA,Ashwani KUMAR

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 261-268 doi: 10.1007/s11708-014-0298-6

Abstract: to tune the parameters of the static synchronous compensator (STATCOM) with frequent disturbances in loadmodel and power input of a wind-diesel based isolated hybrid power system (IHPS).loop load interaction with the system.The model is tested for a 1% step increase in reactive power load demand at = 0 s and then a suddenchange of 3% from the 1% at = 0.01 s for a 1% step increase in power input at variable wind speed

Keywords： isolated wind-diesel power system     adaptive neuro fuzzy interference system (ANFIS)     integral square error(ISE) criterion     load interaction    

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Load frequency control in deregulated power system with wind integrated system using fuzzy controller

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 245-254 doi: 10.1007/s11708-012-0218-6

Abstract: This paper presents the analysis of load frequency control (LFC) of a deregulated two-area hydro-thermalhighly competitive and distributed control environment, and the LFC becomes even more challenging when windThe overall inertia of the system reduces, as the wind unit does not provide inertia and isolates fromThe inertial control responds to frequency deviations, which takes out the kinetic energy of the windThe dynamics of the system have been obtained for a small load perturbation, and for contract violation

Keywords： frequency regulation     fuzzy controller     de-regulated power system     doubly fed induction generator (DFIG)     bilateral contract    

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Title Author Date Type Operation

Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Journal Article

Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Journal Article

multi-functional dynamic state estimator for error validation: measurement and parameter errors and suddenload changes

Mehdi AHMADI JIRDEHI,Reza HEMMATI,Vahid ABBASI,Hedayat SABOORI

Journal Article

Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Journal Article

On Advanced Control Methods toward Power Capture and Load Mitigation in Wind Turbines

Yuan Yuan,Jiong Tang

Journal Article

Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Journal Article

Challenge of global climate change: Prospects for a new energy paradigm

Michael B. MCELROY

Journal Article

Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Journal Article

Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

Disastrous weather trend under global climate change and its influence on offshore wind power

Ge Shanshan,Zhang Ren

Journal Article

Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Journal Article

Reactive power compensation of an isolated hybrid power system with load interaction using ANFIS tuned

Nitin SAXENA,Ashwani KUMAR

Journal Article

Load frequency control in deregulated power system with wind integrated system using fuzzy controller

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article