Supervised by Malabika Basu Michael Conlon

1. MD. SHAFIUZZAMAN KHAN KHADEM Supervised by MalabikaBasu Michael Conlon School of Electrical Engineering Systems, Dublin Institute of Technology, Republic of Ireland 15 February 2013

3. Placement Objectives • Integration • Power Quality degrades due to • Harmonic current injection • Load variation • DG supply variation • Voltage disturbance • Capacity enhancement • Real time control • UPQC improves the PQ by • Compensate • reactive current • harmonic current • voltage disturbance UPQC • Cope up • with bi-directional power flow • capacity change • flexible operation Distributed Generation Integrated Network (interconnection of DG sources with EPS and PCC) • Depends on: • sensors position • Design parameters • control method • integration technique • capacity enhance capability • operational flexibility Investigate

4. Research Methodology • Real time control • (RT-LAB) sm_Plant • Software-in-loop method • (hardware synchronized) • Software • Virtual Plant & Controller • Hardware • Data acquisition system ss_Control

5. Power Quality (PQ) • (Network) • (Chapter - 1) • PQ issues • PQ mitigation techniques • Custom Power Devices Literature Review • Design & Control • (Compensator) • (Chapter - 2) • Shunt Active Power Filter • Series Active Power Filter • Unified Power Quality Conditioner • Placement & Integration • (Chapter – 3,5) • DG integrated microgrid network • UPQC in microgrd • Bi-directional power flow • Parallel Operation • (Chapter – 4) • Shunt Active Power Filter • Active power sharing method • Droop control method • Capacity enhancement • (Chapter – 6) • Reactive and harmonic current compensation • Operational flexibility • Circulating current flow

6. Generalized design procedure of shunt part of the UPQC • Associate the active power loss to the selection of design parameters • VSI based APF with hysteresis current control Research Contribution • Design • (Chapter – 2) • Placement of UPQC and its sensors • Impact of sensor placement on the UPQC control • Performance of UPQC with bi-directional power flow • The advantage of DG inverter in presence of UPQC • Placement • (Chapter – 3) • UPQCµG: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of µG network • UPQCµG: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of µG network • Integration • (Chapter – 5) • Distributed UPQC (D-UPQC): A new proposal for capacity enhancement • Operational flexibility of D-UPQC • Reduction of circulating current flow • Distributed UPQC (D-UPQC): A new proposal for capacity enhancement • Operational flexibility of D-UPQC • Reduction of circulating current flow • Capacity enhancement • (Chapter – 6) Real Time Performance Study

7. UPQCµG-I/IR: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of the µG network Research Contribution • Integration • (Ch – 5) • Integration Technique • μG and APFsh are in parallel to grid and placed at PCC • APFse is in series • DC link can be connected to storage • Control Features • Voltage sag/swell • Reactive and harmonic current • Islanding (UPQCµG-I & UPQCµG-IR) • Reconnection (UPQCµG-IR) • Advantages • μG can be connected to the system during grid fault • μG achieves operational flexibility in islanding and reconnection process • μG provides only the active power to the load. Therefore, it reduces the control complexity • μG can even work in the presence of a phase jump or a phase difference between the grid and μG(UPQCµG-IR). • Provide high quality power for all time

8. UPQCµG-I/IR: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of the µG network Research Contribution • Integration • (Ch – 5) Control IsD – Easy & flexible SynRec

9. UPQCµG-I/IR: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of the µG network Research Contribution • Integration • (Ch – 5) • UPQCµG-I R • UPQCµG-I Islanding Reconnection

10. UPQCµG-I/IR: A new proposal for integration of UPQC in DG connected µG network • Operational flexibility of the µG network Research Contribution • Integration • (Ch – 5) Real Time Performance Voltage sag with DG current forward & reverse flow Dynamic Steady state

11. Research Contribution Journal Papers Published: S K Khadem, M Basu and M Conlon, Parallel Operation of Inverters and Active Power Filters in Distributed Generation System – A Review,Elsevier Journal - Sustainable and Renewable Energy Review S K Khadem, M Basu and M Conlon, UPQC for Power Quality Improvement in DG Integrated Smart Grid Network – A Review,BE Press Journal – International Journal of Emerging Electrical Power Systems In Review: S K Khadem, M Basu and M Conlon, Harmonic Power Compensation Capacity of Shunt APF and its Relationship to Design Parameters,IET Power Electronics S K Khadem, M Basu and M Conlon, UPQCµG-I - A new proposal for integration of UPQC in DG connected Micro-grid or Micro-generation network, IEEE Trans Sustainable Energy S K Khadem, M Basu and M Conlon, UPQCµG-IR - A new proposal for integration of UPQC in DG connected Micro-grid or Micro-generation network, IEEE Trans Smart Grid Progress: S K Khadem, M Basu and M Conlon, Critical Issues on Placement of UPQC in DG integrated Network, IEEE Trans Power Delivery S K Khadem, M Basu and M Conlon, D-UPQC - A new proposal for UPQC to enhance capacity and achieve operational flexibility in DG connected Micro-grid or Micro-generation network, IEEE Trans Sustainable Energy Conference Papers S K Khadem, M Basu and M Conlon, Power Quality in Grid connected Renewable Energy Systems: Role of Custom Power Devices, in the International Conference on Renewable Energies and Power Quality (ICREPQ´10), 23-25 March, 2010, Granada, Spain S K Khadem, M Basu and M Conlon, A Review of Parallel Operation of Active Power Filters in Distributed Generation System,EPE 2011 Conference , 30 Aug – 1 Sep 2011, UK S K Khadem, M Basu and M Conlon, Integration of UPQC for Power Quality Improvement in Distributed Generation Network – A Review, ISGT Europe, 2011, UK

12. Thank You