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WAM-Based Hierarchical Control of Islanded AC Microgrids

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Microgrids

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Abstract

This chapter presents a wide area measurement system (WAMS) based hierarchical control of islanded AC microgrids (IACMGs) with static and dynamic loads. The proposed WAMS-based hierarchical controller consists of a lower-level decentralized controller, for each inverter-interfaced distributed generation (IIDG) unit, accompanied by an upper-level multi-input-multi-output (MIMO) centralized controller. Furthermore, this chapter also analyzes the impact of signal transmission time delays on the performance of the proposed WAMS-based hierarchical controller by performing simulation study on its application to the typical IACMG system.

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Author information

Authors and Affiliations

  1. Discipline of Electrical Engineering, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India

    E. S. N. Raju P & Trapti Jain

Authors
  1. E. S. N. Raju P
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  2. Trapti Jain
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Corresponding author

Correspondence to E. S. N. Raju P .

Editor information

Editors and Affiliations

  1. Department of Energy Technology, Aalborg University, Aalborg, Denmark

    Amjad Anvari-Moghaddam

  2. Electrical Engineering Department, Razi University, Kermanshah, Iran

    Hamdi Abdi

  3. Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran

    Behnam Mohammadi-Ivatloo

  4. Electrical and Computer Engineering Department, National Technical University of Athens, Zografou, Attika, Greece

    Nikos Hatziargyriou

Appendix

Appendix

IIDG Units Ratings: IIDG1-(10 + j6) kVA; IIDG2-(15 + j9) kVA; IIDG3-(20 + j12) kVA; IIDG4-(25 + j15) kVA. Static Active and Reactive Power Droop Gains: mP1 = 6.28e− 4 rad/s/W, mP2 = 4.18e− 4 rad/s/W, mP3 = 3.14e− 4 rad/s/W, mP4 = 2.52e− 4, nQ1 = 1.66e− 3 V/VAR, nQ2 = 1.11e− 3 V/VAR, nQ3 = 8.33e− 4 V/VAR and nQ4 = 6.66e− 4 V/VAR. IIDG unit Parameters: Lf = 1.35 mH, Cf = 50 μF, Rf = 0.1 Ω, fsw = 8 kHz, wc = 31.41 rad/s, Kpv = 0.05, Kiv = 390, Kpi = 10.5, Kii = 16e− 3, F = 0.75, fnl = 50.5 Hz, Rc = 0.03 Ω, Lc = 0.35 mH. RIAL Parameters: Lf = 2.3mH, Cf = 8.8 μF, Rf = 0.1 Ω, fsw = 10 kHz, wc = 31.41 rad/s, Kpv = 0.5, Kiv = 150, Kpi = 7, Kii = 25e3, Rc = 0.03 Ω, Lc = 0.93 mH. Line Parameters: Line 1: (0.23 + j0.11) Ω, Line 2: (0.35 + j0.58) Ω, Line 3: (0.30 + j0.47) Ω. Load Parameters: Induction Motor Load: 10 hp, 400 V, 50 Hz, r s = 0.7834 Ω, L ss = 127.1 mH, r r = 0.7402 Ω, L rr = 127.1 mH, L m = 124.1 mH, P=4, T L = 47.75 N m; CPL: 12 kVA, rCPL=13.224 Ω /phase and cosα=0.85; RIAL: 12 kW and RRIAL=40.833 Ω; R Load: 25 kW, RRLoad=6.347 Ω/phase and V DC = 700 V.

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Raju P, E.S.N., Jain, T. (2021). WAM-Based Hierarchical Control of Islanded AC Microgrids. In: Anvari-Moghaddam, A., Abdi, H., Mohammadi-Ivatloo, B., Hatziargyriou, N. (eds) Microgrids. Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-030-59750-4_15

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  • DOI: https://doi.org/10.1007/978-3-030-59750-4_15

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-59749-8

  • Online ISBN: 978-3-030-59750-4

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