Page 274 - Hybrid-Renewable Energy Systems in Microgrids

Index 251

I negative-sequence power control, 118,
Induction generator (IG), 165 128
Information and communication technologies positive-sequence power control, 118,
(ICT), 195 128
Insulated gate bipolar transistors hierarchical control, 103
(IGBTs), 77 hierarchical control system
International Energy Agency (IEA), 1 field level, 30
Iterative method, 234 grid level, 31
hierarchical control, 30
J management level, 31
hybrid energy sources, 45, 46
Jacobian matrix, 173
instantaneous power theory, 110
islanded mode
L
basic control structure, 132
Life cycle cost (LCC), 7 negative-sequence component control,
Low voltage ride through (LVRT), 109 135
performance, 139
M protection, 141
Maximum power point tracking (MPPT), 77 renewable energy system
Microgrid (MG), 1 battery model, 47
AC, 23, 26, 39, 43, 196 solar PV, 46, 51
AC–DC, 24, 29 simulation study, 34
adverse effects, 200 steady state, 137
architecture, 24 system description, 136
centralized method, 103 topology of, 40
challenges, 104 Monitoring, 42
DC, 24, 28, 40, 42, 197 Multilevel inverters
decentralized control strategy, 103 applications
droop control, 32 energy systems, 70
characteristics of, 49 grid connected systems, utilization, 77
P/Q, 51 power systems, 70
V/f, 51, 53, 54 production, 72
virtual impedance, 50 transportation, 73
dynamic security, 104 capacitor-clamped inverter
energy storage system, 11 advantages, 66
energy storage types, 13, 14 disadvantages, 66
framework cascaded H bridge
automation and control, 42 advantages, 68
dispatch, 42 disadvantages, 68
energy market, 42 comparison of, 68
monitoring, 42 diode-clamped inverter
optimization, 42 advantages, 64
physical equipment, 41 disadvantages, 65
protection and control, 41 features of, 62
scheduling, 42 Matlab/Simulink modeling, 69
grid-connected mode neutral-point clamped, 63
converter current limitation, 126 unique structure, 61
flexible oscillating power control, 115 Multi-objective linear programming
inner current controller, 121 (MOLP), 238