| Type of Document |
Master's Thesis |
| Author |
Kantharia, Rahul Anil
|
| Author's Email Address |
rkanth1@tigers.lsu.edu |
| URN |
etd-11092011-183046 |
| Title |
Interpretation of Power Phenomena in Three Phase Systems with Neutral using Instantaneous Reactive Power P-Q Theory |
| Degree |
Master of Science in Electrical Engineering (M.S.E.E.) |
| Department |
Electrical & Computer Engineering |
| Advisory Committee |
| Advisor Name |
Title |
| Czarnecki, Leszek |
Committee Chair |
| Mehraeen,Shahab |
Committee Member |
| Mendrela, Ernest |
Committee Member |
|
| Keywords |
- Three phase systems with neutral
- Clarke transforms
- Instantaneous reactive power p-q theory
|
| Date of Defense |
2011-11-02 |
| Availability |
unrestricted |
Abstract
The Instantaneous Reactive power (IRP) p-q theory considered as a major power theory as well as a primary fundamental for switching compensator control in three-phase systems, is analyzed in order to verify its ability to describe and identify the power properties or power phenomena in a 3pN system with asymmetrical and non-sinusoidal voltages along with unbalanced loads. This analysis is an outcome of the misinterpretations of power phenomena in three-wire circuits shown by IRP p-q theory under non-sinusoidal conditions.
Different load and supply conditions such as balanced, unbalanced and Harmonic generating loads along with asymmetrical and non-sinusoidal voltages are assumed for the analysis. The analysis takes in to account illustrations demonstrating various combinations of unfavorable supply and load features in order to realize an actual 3pN system mathematically. Depending on the supply and load conditions used, first the supply voltages and currents are calculated in Clarke coordinates. Then instantaneous active, reactive and zero sequence power defined by the IRP p-q theory in terms of these voltages and currents are calculated. These calculated powers are then analyzed for errors from fundamental electrical engineering perspective.
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RahulKanthariaThesis11092011.pdf |
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