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Statcom  Yohan Fajar Sidik, S.T.Johan Agung Irawan, S.T. UGM, 17 Oktober 2012
IntroductionSource: http://www.alstom.com/grid/products-and-services/engineered-energy-solutions/flexible-ac-transmission-...
Shunt Compensation                                    Statcom: compensation devices         P=0                     It ser...
Statcom: GTO and ControllerHigh side voltageis used as a            Less harmonics,controller input        Require minimal...
Equivalent CircuitVariable ac voltage                            Transformer leakage inductance
Principle Operation              Vi = Vs  No current or reactive             Vi > Vs  reactive will be sent             ...
V-I Characteristic of a STATCOM• If the system voltage exceeds V1 or V2,  STATCOM acts as a constant current source by  co...
The STATCOM Advantages• Quicker response time• Active power control is possible (with optional  energy storage)• No potent...
Application in Voltage Stability• One of the major causes of voltage instability  is the reactive power limit of the syste...
The Three-Phase STATCOM Model
Reference• http://www.icrepq.com• http://www.donsion.org/calidad/cc8/c8-11.pdf• http://www.donsion.org/investigacion/traba...
Elektronika Daya - Statcom
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Elektronika Daya - Statcom

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Shunt Compensator

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Transcript of "Elektronika Daya - Statcom"

  1. 1. Statcom Yohan Fajar Sidik, S.T.Johan Agung Irawan, S.T. UGM, 17 Oktober 2012
  2. 2. IntroductionSource: http://www.alstom.com/grid/products-and-services/engineered-energy-solutions/flexible-ac-transmission-system/
  3. 3. Shunt Compensation Statcom: compensation devices P=0 It serves of link Current is in quadrature VsDC voltage for VSC  DC capacitor
  4. 4. Statcom: GTO and ControllerHigh side voltageis used as a Less harmonics,controller input Require minimal or no harmonic filter GTOMulti stage converter
  5. 5. Equivalent CircuitVariable ac voltage Transformer leakage inductance
  6. 6. Principle Operation Vi = Vs  No current or reactive Vi > Vs  reactive will be sent Vi < Vs  reactive will be absorbed
  7. 7. V-I Characteristic of a STATCOM• If the system voltage exceeds V1 or V2, STATCOM acts as a constant current source by controlling the converter voltage (Vi) appropriately.
  8. 8. The STATCOM Advantages• Quicker response time• Active power control is possible (with optional energy storage)• No potential for creating a resonance point (no required capacitor banks or reactors )• Has a smaller installation (no required capacitor banks or reactors , high capacity power semiconductor devices)• Allows for high availability (one/more STATCOM modules can be off without lossing the entire compensation system)
  9. 9. Application in Voltage Stability• One of the major causes of voltage instability is the reactive power limit of the system.• Series and shunt compensation can increase the maximum power network transfer capabilities, inject reactive power to maintain the voltage magnitude.• FACTS (ex:STATCOM) can adjust the voltage magnitude in some node of the system.
  10. 10. The Three-Phase STATCOM Model
  11. 11. Reference• http://www.icrepq.com• http://www.donsion.org/calidad/cc8/c8-11.pdf• http://www.donsion.org/investigacion/trabajos/f acts-EMC2007.pdf• http://www.meppi.com/products/facts/documen ts/facts%20and%20custom%20power%20equipm ent%20for%20the%20enhancement%20of%20po wer%20transmission%20system%20performance %20and%20power%20quality.pdf
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