flexible ac transmission systems (14)

Index
active power flow control, 46, 62
adaptation rules, 277
adaptive control, 281
adverse control interactions, 260
architecture of a WAMS, 290
ATC, 240
augmented Lagrangian function, 118
automatic voltage regulator, 320
autonomous control, 269
autonomous system, 270
auto-regressive (AR) model, 297
back-to-back, 24
balanced system, 224
bay control level, 270, 275
building blocks, 261
bus voltage control, 47
bus-impedance method, 139
capacitive compensation, 31
centralized control, 366
classical Smith predictor, 367
communication delay, 366
computational intelligence, 269
concrete rules, 278
congestion management, 239
constraint enforcement, 36, 49
contingency control, 263, 266
continuation power flow, 189
continuation three-phase power flow,
192, 218, 222
control architecture, 259

control modes, 46, 62
control path, 272
controllable transmission line, 261
controlled Lyapunov function, 265
coordinating control, 272
corridor voltage stability, 292
cross-border transmission capability,
246
CSP, 367
current constraints, 47, 67
damping controller, 281
damping ratio, 335
decoupling-compensation bus-
admittance method, 139
design process, 259
DFC, 4, 19
direct voltage injection, 63
DVR, 4, 19
Dynamic Power Flow Controller, 4, 19,
239
Dynamic Voltage Restorer, 4, 19
economic benefit, 248
eigenvalues, 335
emergency control, 303
energy function, 265
equivalent impedance, 31
equivalent injected voltage magnitude,
32
excitation system, 322
fast controllability, 254

fast-decoupled method, 139
functional specification, 259
fuzzy adaptation, 277
fuzzy modules, 278
Gauss-Seidel Method, 139
Generalized Unified Power Flow
Controller, 4, 22, 113
generation cost, 254
generation shift distribution factors, 278
generic rules, 272
governor model, 324
gradient method, 102
GSDF, 278
GUPFC, 4, 22, 70
H
Ğ
control, 347
382 Index
half-bridge, 8
harmonics, 9
HVDC, 4
hybrid control model, 176
IEEE 30-bus system, 40
IGBT, 6
IGCT, 6
impedance (reactance) control, 47
impedance compensation, 95
Implicit Bus-Impedance Method, 139
increase of transmission capacity, 248
induction motor load, 326

inductive compensation, 32
initialization, 78
Insulated Gate Bipolar Transistor, 6
Insulated Gate Commutated Thyristors,
6
interior point method, 103
Interline Power Flow Controller, 4, 22,
113
IPFC, 22, 70
Kalman filter, 297
line impedance compensation, 65
line temperature, 296
linear frequency, 335
linear programming, 102
linear system analysis, 319
Load Flow Controller, 239
load model, 324
loadability, 198, 302
loadability calculation, 292
loss optimal, 254
loss reduction, 239
LTI control law, 350
marginal cost, 254
market simulation, 249
matrix inequality formulation, 351
mixed-sensitivity formulation, 348
modal controllability, 343
modal observability, 320, 343
mode shape, 341
modified Smith predictor, 367

modular controller design, 262
MSP, 367
multi-control capabilities, 40
multi-control functions, 29
multi-converter, 59
multi-functional, 59
multi-terminal VSC-HVDC, 123
M-VSC-HVDC, 82, 123
N-1-Criterion, 242
network control level, 270, 277
Newton equation, 143
Newton’s method, 103
Newton-Raphson Method, 139
NISC, 259
Non-Intrusive System Control, 259
non-linear control, 319
Nonlinear Interior Point OPF, 106
nonlinear programming, 101
OPF, 101
OPF-Formulation, 104
optimal power flow, 101
optimized power flow, 307
oscillation monitoring, 292, 297
overload, 273
overvoltage protection, 16
packaging, 7
parallel path, 272
participation factor, 342
Phase Shifting Regulation, 65
Phase Shifting Transformer, 4, 239

Phasor Measurement Units, 289
PMU, 289
polar coordinates, 28
pole placement, 349
power converters, 8
power electronics, 5
power flow calculations, 27
power mismatch equations, 142
Power Transfer Distribution Factor, 246
PQ bus, 28, 141
PQ control, 85
PQ machine, 142
preventive coordination, 279
primary converters, 85
PST, 4
PV bus, 28, 140
PV control, 85
PV machine, 143
quadratic programming, 103
reactive power control, 31
Index 383
reactive power flow control, 46, 62
remote control of ( maximum) apparent
power, 33
remote feedback control, 309
remote reactive power f low control, 33
remote voltage magnitude control, 33
robustness, 262
secondary converter, 86
security constrained transfer capability,

211
semiconductors, 5
sequential design, 361
Series Compensation, 3, 16
series devices, 15
short circuit, 274
shunt devices, 10
singular decomposition, 189
slack bus, 27, 140
small disturbances, 319
small impedance, 95
small signal stability, 319
small signal stability control, 281
Smith predictor, 367
SSSC, 4, 18, 152
stacking, 7
STATCOM, 3, 13, 152
state calculation, 292, 301
STATic COMpensator, 13
Static Synchronous Compensator, 152
Static Var Compensator, 11
Static Voltage Restorer, 4
steady state voltage stability, 232
Substation Control Level, 270, 277
Sub-Synchronous Resonance, 17
SVC, 3, 11, 328
SVR, 4
switching patern, 9
symmetrical components control, 172
synchronous generator, 320

tap position, 242, 256
TCPS, 329
TCSC, 3, 15, 17
thermal constraints, 34
thermal monitoring, 292, 296
three-phase OPF, 184
three-phase power flow, 139, 220
Thyristor, 5
Thyristor Controlled Phase Shifter, 329
Thyristor Controlled Reactor, 328
Thyristor Controlled Series Capacitors,
17
Thyristor converter, 8
time-delayed systems, 366
time-synchronized, 290
topology analysis, 277
topology calculation, 292
topology changes, 274
topology detection, 301
Total Transfer Capability, 197, 240
Transistor, 5
transmission functions, 260
TTC, 240
turbine model, 324
TWIN converter, 9
UCTE, 249
unbalanced three-phase voltage stability,
217
unbalanced three-phase power system,
232

Unified Power Flow C ontroller, 4, 21,
152, 239
unified Smith predictor, 367
unified transfer capability, 205, 206
UPFC,4,21,60,166
USP, 367, 370
voltage constraints, 34, 47, 67
voltage control, 31
voltage shifting, 62
voltage stability analysis, 189
voltage stability limit, 197
voltage stability monitoring, 292
voltage stability prediction, 303
WAMS, 289
wide-area control, 306
wide-area measurement system, 289
zonal balance, 248