39 bus
TRANSCRIPT
ISLAMIC AZAD UNIVERSITY
Najaf abad Branch
Faculty of Electrical Engineering
"M.Sc." Thesis
On Power
Subject:
Optimal location and signal selection of UPFC device for
damping oscillation
Supervisor:
Ghazanfar Shahgholian Ph.D.
Advisor:
Bahador Fani Ph.D.
By:
Alireza Bagheri
Fall 2013
1
(Bus.con(: فرهت هشخصات باض )2-جذٍل )الف
1
Federico Milano
2
Slack (Sw.con)باض (: فرهت هشخصات 3-جذٍل )الف
PV (PV.con)شًراتَر (: فرهت هشخصات4-جذٍل )الف
PQ (PQ.con)بار (: فرهت هشخصات5-جذٍل )الف
3
(Line.con)خطَط (: فرهت هشخصات6-جذٍل )الف
(Syn.con)شًراتَرّای سیستن (: فرهت هشخصات7-جذٍل )الف
7
(New England)ماشینه 11باس 39مشخصات سیستم
[ ارائِ 212-198بر اساض هراجع ]بار است. هشخصات ایي سیستن 19شًراتَر ٍ 11 باض، 39ایي سیستن دارای
است. شذُ
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];
Abstract
The ability of power system to maintain stability largely depends on the
damping of electromechanical oscillations. Power system electromechanical
oscillations are controlled and damped by controllers on the power system. To
enhance system damping and stability, considerable studies and researches on
the generator’s exciter controller has been done that one of the controllers is
power system stabilizer. This kind of stabilizer doesn’t demonstrate a good
performance on the inter-area modes. With appearance of the FACTS devices,
another type of controllers that are able to damp the inter-area modes are used.
A complete type of FACTS devices being able to multipurpose compensation is
the unified power flow controller (UPFC) that is able to control all power-based
parameters independently and promptly. The unified power flow controller
(UPFC) because of functional specifications has considerable advantages than
the other FACTS devices. UPFC has the ability to help system stability,
transient stability and dynamic stability in network. Also, with optimal location
and selection of UPFC proper signal in the network, damping power system
oscillation can be improve.
In this thesis, in order to improve the damping power system oscillations,
residue factor analysis as a solution for UPFC optimal location has introduced.
Also, Hankel singular value (HSV) and analysis of right half plane zeros (RHP-
zeros) as criteria to select the proper input signal are introduced to UPFC and
optimal parameters of power oscillations damper (POD) are set by using pole
placement method. The effectiveness of using the proposed method has been
demonstrated with experience and analysis in time domain with MATLAB
software and PSAT program. Obtained results from simulations show the
potential and UPFC performance on improving the damping inter-area
oscillations.
Keywords: UPFC, Damping, Stability, UPFCPOD, local oscillations, inter-area
oscillations