Page 151 - Decision Making Applications in Modern Power Systems

effectiveness (Continued)

Cost- 4 6 7 5 8 9 3

Distributed nature PQI Yes Yes No No No No No

Disadvantages design Parameter each for application expensive Rather and capacity High expensive expensive Rather Control needs complexity, transformers Control needs complexity, transformers costs Increasing control and complexity system

devices. highly harmonic to comparison efficient system passive, of filters power

improvement and cheap, various in in cost reliable, cost, implementation controller instead device hybrid and

quality Advantages Simple, reliable Operating frequencies Reduced APF Lower Easy Simple One active,

power and VR filters selective

of compensate flicker, harmonics, passive regulation, active and VR a ,
generations Q and unbalances, and active harmonic and passive stability,

all harmonics voltage of regulation unbalances compensation of elimination
of Capabilities PF, harmonics Compensate unbalances Advantages compensation advantages improve
comparison Current Improve together Voltage Voltage harmonic All filters, harmonic

full Year The mid 1940s The mid 1970s The mid 1980s The mid 1980s The mid 1980s The mid 1990s The mid 2010s
A
4.3
TABLE PQI device Passive filters Shunt active filters Series active filters Hybrid filters D- STATCOM DVR Smart impedance