NDLI: Hybrid reactive power compensation system: advanced control strategy development

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Volume 4 - 2003

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Modelling of power system components for reliability analysis

Extracting a probabilistic criterion from a blackout

Chronological simulation in the evaluation of capacity requirements

Natural gas network modeling for power systems reliability studies

Composite reliability evaluation for large-scale power systems

Mitigating market power in financial transmission-right allocations

Community activity room/sup /spl trade// as a new tool for transmission operation and planning under a competitive power market

Conceptual design of transmission systems within a simplified network environment

Provision of financial transmission rights

Assessment of 110 kV networks considering cost-relevant structural parameters

A case study of a voltage rise problem due to a large amount of distributed generation on a weak distribution network

Assessment of a distributed resource plan for the Lebanese electric power system

Cross-spectrum analysis applied to photovoltaic grids

Optimal operation of hydrogen storage for energy sources with stochastic input

Operating stationary fuel cells on power system and microgrids

Comparison of different calculation methods for a power semiconductor based interphase power flow controller

Steady state analysis of unified power flow controller: mathematical modeling and simulation studies

Determining the value of controllable devices in a liberalized electricity market: a new approach

Operation analysis of novel UPFC based on 3-level half-bridge modules

Study of an HVDC link based on VSCs using a fuzzy control system

Power loss minimization using fuzzy multiobjective formulation and genetic algorithm

Stochastic OPF by constraint relaxation

On the Newton interior-point method for nonlinear optimal power flow

Contingency screening and ranking algorithm using two different sets of security performance indices

Energy and ancillary service dispatch through dynamic optimal power flow

Probabilistic evaluation of voltage sag in transmission systems

Cost-effective power quality improvement for industrial plants

A method for analytical voltage sags prediction

Static series compensator for voltage dip mitigation with zero-sequence injection capability

A comparison of two methods used for voltage dip characterization

Voltage sag compensation on nonlinear loads

Dynamic's problems of frequency and active power control in electric power system

Assessment of hydrogenerators capacity to provide the system service of voltage control in the secondary band

Influence of the transition from hourly energy programs to power generation dispatches on the use of secondary reserve

Frequency control on an island power system with increasing proportions of combined cycle gas turbines

Steam power plant repowering to provide black-start ancillary service and speed up power system restoration

Steam unit and gas turbine power station reliable control for network black-start-up

Analysis of failure rates of air blast breakers as a function of age and usage

Circuit-breaker diagnostics based on continuous wavelet transform

Nonintrusive appliance load monitoring based on an optical sensor

Reliability and cost optimization of power electronic devices considering the component failure rate uncertainty

Software for enhanced monitoring in integrated substations

Asset management based on improved online monitoring systems applied to a 110/380 kV substation

Efficient frequency-adaptive amplitude tracking algorithms for protection purposes

Design of a symmetrical component based current differential protection scheme

Improving relay reach and speed through a hybrid algorithm

Kalman filter tuning for digital protection applications

An algorithm for detecting CT saturation using the secondary current third-difference function

An Affine arithmetic based methodology for the thermal rating assessment of overhead lines in the presence of data uncertainty

Modeling direct lightning attachment to electrified railway system in Sweden

Comparison of transmission tower models for evaluating lightning performance

Overvoltage protection of light railway transportation systems

Insulation coordination for a 23 kV medium voltage distribution

Lightning induced voltages on overhead conductors at different heights

Smart building and lightning risk assessment: an approach to the protection of building automation systems high exposed to overvoltage failure

Waveform parameters of fields generated by lightning strokes to the CN tower and to objects in its vicinity

A colored Petri-net model for load-transfer in MRT power systems

Thermal protection of overhead lines in different ambient conditions

Simplified formulas for the ground resistance of the human body for two-stratus soil

Simulation of the thermal trend of electric cables to define the admissible current

EMAE'S experience in the substitution of the regulation systems of the underground power plant, Henry Borden

The contribution of the organic pollutants from the feedwater of the steam generator to the corrosion processes and deposits - operation problems

An integrated control strategy for electric road vehicles equipped with fuel cells

Technology for the treatment of the used waters resulting from the softening process

A research on plants for in-situ vitrification of contaminated soils

Enhancement of power transmission systems by using multiple UPFCs on evolutionary programming

A regulation for congestion of generator maintenance in a deregulated system

Probabilistic assessment of the energy not produced due to transmission constraints

Evaluation of transmission congestion impact in market power

Implementation aspects of coordinated auctioning for congestion management

Transmission access of new generation: the Spanish case

Capacitor placement in distribution systems using artificial intelligent techniques

Capacitor placement in distribution systems, a new formulation

A new reactive power optimization algorithm

Series compensation device allocation under contingency constraints

Newton's method associated to the interior point method for optimal reactive dispatch problem

Static Var compensators (SVC) required to solve the problem of delayed voltage recovery following faults in the power system of the Saudi electricity company, western region (SEC-WR)

Microcontroller based semiconductor tap changer for power transformer

Hybrid reactive power compensation system: advanced control strategy development

A novel coordinated autodisturbance-rejection excitation and SVC controller

Romanian proposal for the establishment of a power reserve market

A design for regional ancillary services auction markets in China

Forecasting the Chilean short-term electricity market behavior under a new proposed regulation

Some strengths and weaknesses of electricity industry restructuring in Australia

Evolutionary representation of energy markets and systems

Electricity market development in Romania

Impact of advanced technologies on the Italian electricity market

Replicating interruptible supply contracts for security constrained transmission management

Electrical thermal storage modeling: a tool to evaluate new opportunities and bids for residential users in a deregulated market

Assessment and simulation of demand-side management potential in urban power distribution networks

optimal distribution tariffs in presence of flexible customers in deregulated markets

Aggregation and management of the demand in a deregulated electricity market

Interruptible load management assessment via dynamic optimal power flow

Load control for improving system security and economics

Optimal capacitor placement in distribution systems feeding nonlinear loads

Reliable installation of alternative capacitor banks against reactive power shortage

Voltage compensation in weak distribution networks using multiple shunt connected voltage source inverters

Reliability diagnosis of distribution system under adverse weather conditions

Practical experience of benchmarking to estimate distribution companies' revenues

Effect of regulation on distribution companies investment policies in the UK

Stochastic assessment of unbalanced voltage dips in large transmission systems

Practical experiences in the analysis of abnormal voltages due to neutral instability

Modelling on-load tap changer voltage control and limits for network loading and voltage control effectiveness assessment

Thermal analysis of the influence of nonlinear, unbalanced and asymmetric loads on current conducting capacity of LV-cables

Relay models for protection studies

Fault decoupling device: a new device to reduce the impact of distributed generation on electrical distribution systems

Parameter estimation of distorted signals using Prony method

Efficiency analysis of data compression of power system transients using wavelet transform

The discrete Fourier transform for computation of symmetrical components harmonics

Efficient robust nonlinear estimation technique for power quality indices measurement

Digital measurement equipment for steady-state PQ measurements

A power-quality index based on multipoint measurements

A VI for estimating electrical quantities in power systems over long time intervals

Volume 3 - 2003

Volume 2 - 2003

Volume 1 - 2003

2001 IEEE Porto Power Tech Proceedings (Cat. No.01EX502)

Hybrid reactive power compensation system: advanced control strategy development

Content Provider	IEEE Xplore Digital Library
Author	Marchesoni, M. Mazzucchelli, M. Monne, A.
Copyright Year	2003
Description	Author affiliation: Centro Interuniversitario di Ricerca Trasporti, Universita degli Studi di Geneva, Italy (Marchesoni, M.; Mazzucchelli, M.; Monne, A.)
Abstract	Electric arc furnaces are a major cause of line disturbance problems, in terms of flickers and of harmonic pollution. Various solutions had been proposed and applied, with the aim to compensate or control line disturbance phenomena. Optimal solutions can be found by using series and shunt devices, but system cost, reliability and efficiency become main issues. In the paper, authors propose a hybrid control and compensation system that allows an optimal tradeoff in performance and system cost, while providing high efficiency and reliability. The solution is a thyristor based series controller coupled with a high performance shunt compensator. The use of phase control thyristor and the fast changing characteristics of furnace load impose the development of an open loop advanced control strategy based on a load estimator and on the prediction of instantaneous active and reactive power associated with partialized waveforms. Power associated with harmonics is also computed on line, in order to achieve better performances under extreme load conditions and in order to minimize the power required by the expensive shunt compensator. Concept effectiveness is shown by extensive computer simulations.
Sponsorship	IEEE Power Eng. Soc
File Size	628132
File Format	PDF
ISBN	0780379675
DOI	10.1109/PTC.2003.1304773
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-23
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power control Control systems Furnaces Cost function Thyristors Open loop systems Pollution Optimal control Phase control Phase estimation
Content Type	Text
Resource Type	Article

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