-
- a
- AC power system, control actions
- generator redispatch
- load shedding and demand side management
- phase shifting transformer
- reactive power management
- special protection schemes
- switching actions
- angle stability
- rotor angle stability
- steady-state angle stability
- ant colony optimisation (ACO)
- combinatorial optimisation problems
- data structure, solution archive
- optimal control action
- unconstrained optimisation
- artificial intelligence (AI)
- artificial neural network (ANN)
- feed-forward and recurrent networks
- voltage stability margin
- ATPDraw Model
- Augmented Lagrange formulation
-
- b
- behavioral recognition
- boundary end effect
- EMD algorithm
- Gibbs phenomenon
- Hilbert transform
- mirror extension method
- mode mixing and pseudo-IMF component
- parameter identification
- bounds constraints
- bulk power systems
-
- c
- centralized model predictive control
- Clarke model
- coherent electrical areas
- controlled islanding scheme (CIS)
- Control variables
- definition
- voltage controller
- convergence test
- corrective actions
- corrective control
- customer average interruption duration index (CAIDI)
-
- d
- damping controller models
- IEEE Type DC1 model
- PSS
- TCSC
- damping oscillations
- angular speed
- centralized MPC
- decentralized MPC
- generator
- hierarchical MPC
- mathematical formulation
- TCSC
- data scaling
- Day Ahead Congestion Forecast (DACF)
- decentralized model predictive control
- defuzzification
- demand side management
- discrete Fourier transform (DFT)
- dispersed generation unit (DGU)
- active power outputs
- dispatchable unit
- Doubly-Fed Induction Generators (DFIG)
- local voltage control
- mode
- mode
- mode
- non-dispatchable unit
- problem formulation
- reactive power limitation
- reactive power output
- voltage correction, minimum control effort
- external voltage drop
- future tap movements
- low power demands and high power production
- LTC actions
- reactive power output
- simulation results
- distributed energy resources (DER)
- reactive power injection
- reactive power productions
- distributed generators (DGs)
- active power generation
- active power injection
- reactive power
- distribution networks (DNs)
- long-term voltage stability (see long-term voltage stability)
- voltage control and congestion management
- voltage correction, minimum control effort
- emergency limits
- normal operation limits
- voltage regulation
- dual variables
- Dutch extra-high voltage (EHV) transmission network
- dynamic control strategy
- dynamic security assessment (DSA)
- dynamic security region (DSR)
- definition
- electrical power system
- security assessment
- transient stability assessment (TSA)
- dynamic vulnerability assessment (DVA)
- post-contingency DVA
- wide area monitoring systems (WAMS)
- characteristic ellipsoid (CELL) method
- data mining-based framework
- Monte Carlo methods
- phase-space visualization
- PMU data
- random-forest (RF) learning
- short time Fourier transform (STFT)
- support vector regressor (SVR)
- verge of collapse state
-
- e
- Ecuadorian National Interconnected System (SNI)
- Ecuadorian system
- Ecuadorian ISO, CENACE
- oscillatory stability
- SNI, PMU location in
- special protection schemes
- steady-state angle stability
- steady-state voltage stability
- electrical power grids
- electromagnetic transients programs (EMTP)
- Emergency Single Machine Equivalent (E-SIME)
- emerging technologies
- empirical orthogonal functions (EOF)
- data compression and pattern extraction
- data scaling
- energy patterns
- explained variability (EV)
- fault classification
- fault events
- fault patterns
- formulation
- forward faults
- PCA
- protection scheme
- reverse faults
- sampling frequency
- signal conditioning
- superimposed component
- training data
- training data matrix
- transmission line protection
- fault classification
- fault direction
- fault location
- fault simulation
- online algorithm
- power system
- and simulations
- ENTSO-E system operation guideline
- expected energy not supplied (EENS)
-
- f
- fault direction
- fault location
- fault simulation
- fitness function
- forward faults
- frequency control
- fuzzy controller
-
- g
- generation tripping schemes (GTS)
- generator exciter power system (GEP) approach
- genetic algorithm (GA)
- groups of coherent generators (GCG)
-
- h
- hierarchical model predictive control
- high-performance computing (HPC) techniques
- high voltage multi-terminal DC (HV-MTDC) grids
- conventional control schemes
- communication resources
- constant voltage and power control
- dead and un-dead band strategies
- droop control strategy
- droop voltage strategy
- N–R method
- power compensation
- power flow pattern
- voltage and power deviation
- voltage margin
- fuzzy logic and control
- optimization-based secondary control strategy
- constraints
- fitness function
- power and droop voltage control strategies
- defuzzification and output
- fuzzy logic
- input/output variables
- knowledge base and inference engine
- primary and secondary power-voltage control
- reference set points
- set point change
- wind power plant, sudden disconnection of
- Hilbert-Huang transform (HHT)
- bimodal test oscillation signal
- boundary end effect (see boundary end effect)
- Butterworth filter processing
- damping coefficient
- data pre-treatment processing
- DC removal processing
- digital band-pass filter algorithm
- EMD
- EMD results
- Hilbert spectrum and Hilbert marginal spectrum
- IMF components and residue signal
- mode mixing
- mutation signals
- nonlinear/nonstationary signals
- oscillation signal
- parameter identification
- damping coefficient
- frequency oscillation signal
- IMF component
- parameter identification results
- power system oscillation signals
- pre-treatment EMD results
- pseudo-IMF components
- ratio computation
- time domain spectrum
-
- i
- injection shift factor (ISF)
- inter-machine oscillations
- inverse Jacobian matrix
-
- j
- Jacobian matrix
- JMarti model
-
- k
- Kernel-based Classification
-
- l
- Lagrangian decomposition
- Library for Support Vector Machines (LIBSVM)
- line impedances and admittances
- load shedding
- load shedding and generation tripping schemes
- load tap changer (LTC)
- local correlation network pattern (LCNP)
- long-term voltage stability
- countermeasures
- loadability curves
- load restoration mechanisms
- OverExcitation Limiters (OELs)
- VVC
- active power modulation
- algorithm
- countermeasure
- disturbance and voltage restoration
- emergency detection
- minimum load reduction
- reactive power injection
- restoration procedure
- test system
- TN assumption
- loss minimization
- control actions
- controller performance
- loss of energy expectation (LOEE)
- loss of load expectation (LOLE)
- loss of load probability (LOLP)
-
- m
- MATLAB programming
- Maximum Power Point Tracking (MPPT)
- mean-variance mapping optimization (MVMOS)
- membership function (MF)
- Mitigation Matrix
- model predictive control (MPC)
- application
- centralized MPC
- control delay consideration
- state estimation errors
- centralized voltage control scheme
- closed-loop stability
- control strategy
- control variable changes
- and damping controller models
- IEEE Type DC1 model
- PSS
- TCSC
- damping oscillations
- angular speed
- centralized MPC
- decentralized MPC
- generator
- hierarchical MPC
- mathematical formulation
- TCSC
- definition
- distributed MPC
- DN voltages
- factors
- features
- formulation
- hierarchical MPC
- implementation
- MPC-based multi-step controller
- MPC based voltage/reactive controller
- control algorithm
- DG response
- functions
- loss minimization performance
- operational principle
- operation condition, changes of
- parameter setup and algorithm selection
- slow control functionality
- test system and measurement deployment
- voltage correction performance
- voltage violation
- optimal power flow
- prediction capability
- principle of
- problem formulation
- robust hierarchical MPC
- system linearizations
- TCSC
- test system and simulation setting
- voltage regulation
- Monte Carlo simulation
- Dutch extra-high voltage (EHV) transmission network
- TVFS vulnerability performance indicators
- multi-agent power system
- augmented Lagrange formulation
- implementation algorithm
- loss minimization
- parameters setup
- proposed control scheme's performance
- vs. single-agent based system
- mutation signals
-
- n
- N–1 criterion
- network splitting mechanism
- dynamic frequency behavior
- flowchart of
- graph modeling, update, and reduction
- graph partitioning procedure
- load shedding/generation tripping schemes
- off-line computations
- tie-lines determination
- Newton–Raphson (N–R) method
- nonlinear and nonstationary signals
- nonlinear equality constraints
-
- o
- off-line computations
- one machine infinite bus equivalent (OMIB)
- online voltage control
- operating state, power system
- alert states
- blackout state
- emergency operation
- interconnected area
- N–1 criterion
- normal operation
- preventive controls
- system deterioration
- optimal grid management
- bounds constraints
- fitness function
- nonlinear equality constraints
- optimal power flow (OPF)
- abstract mathematical formulation
- active power re-dispatch
- 5-bus system
- critical post-contingency constraints
- formulation models
- and initial state
- line data
- objective and decision variables
- pre-contingency and post-contingency states
- computational intelligence
- contingency constraints
- conventional OPF
- classical methods vs. convex relaxations
- risk, uncertainty, smarter sustainable grid
- solution methodology
- core optimizer and security analysis (SA)
- generation dispatch pattern
- inequality constraints
- interior-point method
- basic primal dual algorithm
- optimality conditions
- “no contingencies” mode
- OPF under uncertainty (OPF-UU)
- motivation and potential approaches
- robust optimization framework
- optimal decision variables
- power system static security
- preventive modes
- reference values, of reactive power
- risk-based OPF
- 5-bus system
- motivation and principle
- problem formulation
- security-constrained economic dispatch (SCED)
- security-constrained optimal power flow (SCOPF)
- unoptimized mode
- optimal reactive power dispatch
- oscillatory index (OSI)
- dominant modes
- electrical area
- electrical signals
- fast-phenomena assessment
- modal identification technique
- mode meters
- oscillatory modes
- poorly-damped local modes
- prony analysis
- ringdown methods
- threshold damping
- oscillatory instability
- oscillatory stability
- alert and alarm amplitude limitation
- inter-area mode amplitude
- inter-area mode oscillations
- low frequency control modes
- modal identification algorithm
- oscillation amplitudes
- power system stabilizer tuning
- Ecuador–Colombia interconnected power system
- GEP approach
- 0.45 Hz inter-area mode
- Paute plant's AB generators
- Pomasqui substation
- WAProtector modal identification algorithm
- system's damping performance
- WAProtector
- overload index (OVI)
- branch outages
- dc-DFs
- injection shift factor (ISF)
- MC-based simulation
- power transfer limit
- SDF-based overload estimation
- OVI. see overload index (OVI)
-
- p
- perturbed Karush–Kuhn–Tucker (KKT)
- phase shifting transformer
- phasor calculation
- phasor estimation techniques
- phasor measurement units (PMUs)
- SNI, location in
- WAMPAC system
- point of collapse (POC)
- post contingency dynamic vulnerability regions (DVRs)
- data-time windows
- DSR hyper-plane boundary
- electrical power system
- IEEE New England 39-bus, 60 Hz and 345 kV test system
- independent system operator (ISO)
- methodological framework
- Monte Carlo-type (MC) simulation
- N-1 Contingency Monte Carlo Simulation
- pattern recognition method
- computer algorithms
- (n× p) data matrix
- dynamic electrical signals
- EOF
- EOFs
- Fourier analysis
- orthogonal matrix
- power system random variables
- probability distribution functions (PDFs)
- vulnerable and non-vulnerable regions
- post-contingency system
- power system controlled islanding
- frequency control
- Groups of Coherent Generators (GCG)
- network splitting mechanism
- dynamic frequency behavior
- flowchart of
- graph modeling, update, and reduction
- graph partitioning procedure
- load shedding/generation tripping schemes
- off-line computations
- tie-lines determination
- overload assessment and control
- power imbalance constraint
- analytical expressions and nomograms
- inter-machine oscillations
- limitation
- power-frequency control system, equivalent models of
- reduced frequency response model
- power network splitting
- test system
- power system collapse
- proposed ACIS
- proposed methodology
- vulnerability assessment
- WAMS
- power system model
- Na areas
- regional assets
- system constraints
- power system oscillation signals
- power system reliability management
- adequacy and security, interaction between
- coping capacity
- definition
- electrical power requirements
- interruption costs
- sum of reliability
- local energy
- power system adequacy
- power system security
- reliability assessment
- and adequacy assessment
- analytical contingency enumeration
- post-contingency system
- pseudo-dynamic evaluation techniques
- and seurity assessment
- simulation techniques (Monte Carlo simulation)
- reliability control mechanism
- credible and non-credible contingencies
- N–1 criterion
- operating state
- reliability actions
- system state space representation
- reliability costs
- reliability criteria
- reliability criterion
- system's vulnerability
- uncertainty space, timeframes
- vulnerability
- power system signals, mining of
- power system toolbox (PST)
- power transfer limit
- preventive actions
- primal variables
- principal components analysis (PCA)
- probabilistic approaches
- probabilistic reliability analysis
- alert state
- Dutch extra-high voltage (EHV) transmission network
- configurations
- expected redispatch costs
- failure frequency
- input parameters
- Monte Carlo simulation
- probability of load curtailment
- probability of overload
- repair time
- expected redispatch costs
- of generation redispatch
- input information
- component repair times and failure frequencies
- development scenario
- generator parameters
- load scenario
- network topology and component parameters
- wind scenario
- overlapping and interaction
- of overload
- pre-calculations
- reliability indicators
- remedial actions
- security-of-supply related indicators
- customer average interruption duration index
- expected energy not supplied
- loss of energy expectation
- loss of load expectation
- loss of load probability
- probability of load curtailment
- system average interruption duration index
- system average interruption frequency index
- state enumeration
- time horizons
- probability of load curtailment (PLC)
- prony analysis
- pseudo-dynamic evaluation techniques
-
- q
- Quadratic Programming (QP) problem
-
- r
- RAMSES software
- reactive power management
- real-time area coherency identification
- associated PMU coherent areas
- coherent electrical areas
- recursive clustering approach
- real-time digital simulators
- recursive clustering approach
- reduced frequency response model
- reliability criterion
- renewable energy sources (RES)
- reverse faults
- ringdown methods
- robust optimal power flow (R-OPF)
- formulation of
- numerical results
- problem solving methodology
- worst case scenarios
- Roy Billinton Test System (RBTS)
- rule-based fuzzy systems
-
- s
- sampling frequency
- security-constrained economic dispatch (SCED)
- security-constrained optimal power flow (SCOPF)
- DC SCOPE
- generator redispatch and load shedding
- PST implemenation
- transmission line switching
- formulation
- linear implementation
- generator redispatch
- load shedding and demand side management
- phase shifting transformer
- switching
- self-healing functions, EMS with
- sensitivities
- analytical approach
- definition
- first layer, calculation of
- load flow analysis
- numerical approach
- parameter values
- second layer, calculation of
- sensitivity analysis
- short-term frequency stability
- short-term voltage stability
- short time Fourier transform (STFT)
- signal conditioning
- simulation techniques (Monte Carlo simulation)
- single-agent power system
- single pole tripping (SPT) schemes
- singular value decomposition (SVD)
- Smart Grid developments
- special protection schemes (SPS)
- implemented strategies
- mitigation matrix
- operation analysis
- real time dynamic vulnerability assessment (DVA)
- Smart Grid applications
- static security assessment (SSA)
- steady-state angle stability
- alert and alarm limits, hydrological scenarios
- Chebyshev's inequality
- dynamic contour plots, of angle difference
- mechanical and electromagnetic torques
- methodology
- N-1 contingencies
- “π” equivalent model
- phase angle difference maximum limit
- power–angle curve
- power transfer
- static simulations
- WAProtector
- steady-state voltage stability
- alert and alarm threshold value
- DPL script
- N-1 contingencies
- power–voltage (P-V) curves
- P-V curve and voltage profile stability band
- real time monitoring application
- Thevenin equivalent method
- Totoras–Santa Rosa 230 kV transmission line
- transmission corridor monitoring, PMU
- superimposed component
- Supervisory Control and Data Acquisition/Energy Management System (SCADA/EMS)
- support vector classifier (SVC)
- and decision tree classifier (DTC)
- discriminant analysis (DA)
- feature extraction stage
- feature selection stage
- kernel function
- LIBSVM
- and pattern recognition network
- probabilistic neural networks
- real-time implementation
- training data based model
- vulnerable/non-vulnerable status
- support vectors (SV)
- synchronized phasor measurement technology
- definition
- discrete Fourier transform and phasor calculation
- phasor measurement units
- phasor representation of sinusoids
- WAMPAC communication time delay
- wide area monitoring systems (WAMS)
- system average interruption duration index (SAIDI)
- system average interruption frequency index (SAIFI)
- system operator (SO)
- system state space representation
- flexible demand
- generation and load variations
- generation outage
- input and control variables and parameters
- limited uncertainty and increased uncertainty
- line outage
- N–1 criterion
- operating points
- phase shifting transformers and HVDC
- renewable generation sources
- security limits
- security threshold
- topology changes
- traditional power system
-
- t
- test power system
- Thevenin equivalent method
- tie-lines determination
- time domain spectrum
- transient stability
- transient, voltage, and frequency stability (TVFS)
- 39-bus-test system logic schemes
- DIgSILENT PowerFactory software
- frequency deviation index (FDI)
- MATPOWER package
- Monte Carlo simulation
- optimal power flow (OPF)
- penalty
- real-time area coherency iterative algorithm
- real-time transient stability index (TSI)
- transient unstable case
- voltage deviation index (VDI)
- voltage vulnerable case
- vulnerability status
- vulnerability status prediction method
- transmission and distribution (T&D) test-system
- transmission-distribution systems, control of
- transmission networks (TNs)
- transmission system operators (TSOs)
- turbine generators
-
- u
- ultra-high voltage (UHV)
- Under-frequency load shedding schemes (UFLS)
-
- v
- Vapnik–Chervonenskis dimension
- voltage control
- control variables
- models
- reference values and voltage limitation
- system operators
- voltage source converter (VSC) technology
- voltage stability
- assessment
- definition
- measurement-based methods
- model-based methods
- steady-state voltage stability
- voltage stability constrained optimal power flow (VSCOPF)
- optimal control action
- preventive measure
- problem statement
- simulation results
- voltage stability margin (VSM)
- corrective measure
- problem statement
- simulation results
- volt-var control (VVC)
- active power modulation
- algorithm
- countermeasure
- disturbance and voltage restoration
- emergency detection
- minimum load reduction
- reactive power injection
- restoration procedure
- simulation results and case studies
- emergency support, from distribution
- stable scenarios
- unstable scenarios
- test system
- TN assumption
- vulnerability assessment
- conventional methods
- definition
- off-line assessment
- on-line assessment
- oscillatory index (OSI)
- dominant modes
- electrical area
- electrical signals
- fast-phenomena assessment
- modal identification technique
- mode meters
- oscillatory modes
- poorly-damped local modes
- prony analysis
- ringdown methods
- threshold damping
- overload index (OVI)
- branch outages
- dc-DFs
- injection shift factor (ISF)
- MC-based simulation
- power transfer limit
- SDF-based overload estimation
- PMU measures
- power system actions and operations
- power system vulnerability condition
- real time assessment
- TVFS vulnerability performance indicators
- 39-bus-test system logic schemes
- DIgSILENT PowerFactory software
- frequency deviation index (FDI)
- MATPOWER package
- Monte Carlo simulation
- optimal power flow (OPF)
- real-time area coherency iterative algorithm
- real-time transient stability index (TSI)
- transient unstable case
- voltage deviation index (VDI)
- voltage vulnerable case
- vulnerability status
- vulnerability symptoms
- oscillatory stability
- post-contingency overloads
- rotor angle stability
- short-term frequency stability
- short-term voltage stability
- transient stability
- vulnerable area
- vulnerable system
-
- w
- Western System Coordinating Council (WSCC) 3-Machine 9-Bus test system
- wide area monitoring, control, and protection (WAMPAC) system
- wide area monitoring systems (WAMS)
- Campus WAMS
- dominant oscillation mode
- DVA
- characteristic ellipsoid (CELL) method
- data mining-based framework
- Monte Carlo methods
- phase-space visualization
- PMU data
- random-forest (RF) learning
- short time Fourier transform (STFT)
- support vector regressor (SVR)
- verge of collapse state
- EMD results
- extracted oscillation mode
- Hilbert marginal spectrum (HMS) analysis technique
- phasor measurement unit
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