A new method for real time computation of power quality indices based on instantaneous space phasors

One of the important issues about using renewable energy is the integration of dispersed generation in the distribution networks. Previous experience has shown that the integration of dispersed generation can improve voltage profile in the network, decrease loss, etc. but can create safety and techn...

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Bibliographic Details
Published in:Electric power systems research 2007, Vol.77 (1), p.93-98
Main Authors: Milanez, Dalgerti L., Ciric, Rade M.
Format: Article
Language:English
Subjects:
Applied sciences
Buchholz–Goodhue effective apparent power
Dispersed generators
Electric power plants
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Instantaneous complex power
Instantaneous space phasors
Miscellaneous
Operation. Load control. Reliability
Power definitions
Power electronics, power supplies
Power networks and lines
Unbalance
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Summary:One of the important issues about using renewable energy is the integration of dispersed generation in the distribution networks. Previous experience has shown that the integration of dispersed generation can improve voltage profile in the network, decrease loss, etc. but can create safety and technical problems as well. This work report the application of the instantaneous space phasors and the instantaneous complex power in observing performances of the distribution networks with dispersed generators in steady state. New IEEE apparent power definition, the so-called Buchholz–Goodhue effective apparent power, as well as new proposed power quality (oscillation) index in the three-phase distribution systems with unbalanced loads and dispersed generators, are applied. Results obtained from several case studies using IEEE 34 nodes test network are presented and discussed.
ISSN:0378-7796
1873-2046
DOI:10.1016/j.epsr.2006.02.001