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Power Systems Engineering Research Center Control and Design of Microgrid Components Final Project Report Report Authors Robert H. Lasseter, Project Leader Paolo Piagi University of Wisconsin-Madison PSERC Publication 06-03 January 2006
Information about this project For information about this project contact: Professor Robert H. Lasseter: Department of Electrical and Computer Engineering University of Wisconsin-Madison 2546 Engineering Hall, 1415 Engineering Drive Madison, WI 53706 608-262-0186 lasseter@engr.wisc.edu Power Systems Engineering Research Center This is a project report from the Power Systems Engineering Research Center (PSERC). PSERC is a multi-university Center conducting research on challenges facing a restructuring electric power industry and educating the next generation of power engineers. More information about PSERC can be found at the Center’s website: http://www.pserc.org. For additional information, contact: Power Systems Engineering Research Center Cornell University 428 Phillips Hall Ithaca, New York 14853 Phone: 607-255-5601 Fax: 607-255-8871 Notice Concerning Copyright Material PSERC members are given permission to copy without fee all or part of this publication for internal use if appropriate attribution is given to this document as the source material. This report is available for downloading from the PSERC website. ©2006 Board of Regents, University of Wisconsin System. All rights reserved
Page 1: PSERC Control and Design of Microgr
Page 5 and 6: Executive Summary Economic, technol
Page 7 and 8: Table of Contents Chapter 1. Introd
Page 9 and 10: List of Figures Figure 1.1 Microgri
Page 11 and 12: List of Figures (continued) Figure
Page 13 and 14: Chapter 1. Introduction Distributed
Page 15 and 16: 1.2.2 Operation and Investment The
Page 17 and 18: Figure 1.1 Microgrid Architecture D
Page 19 and 20: Chapter 2. Static Switch The static
Page 21 and 22: ω ωo ω1 Preq Pgrid P Pload Figur
Page 23 and 24: 2.3 Synchronization Conditions The
Page 25 and 26: droop. The issue is that it is poss
Page 27 and 28: This synchronizing behavior is unac
Page 29 and 30: Figure 2.12 shows on the upper plot
Page 31 and 32: Chapter 3. Microsource Details This
Page 33 and 34: with different size. This control i
Page 35 and 36: u + _ K F ω o + _ ω o s P u ω o
Page 37 and 38: Q versus E Droop E req Q m Q _ + E
Page 39 and 40: currents from the microsources incr
Page 41 and 42: inverter ratings limits (in kVA) ca
Page 43 and 44: A 16 DG B 22 DG Static Switch C 8 D
Page 45 and 46: ω Unit 2 Max Unit 2 ω o Unit 1 ω
Page 47 and 48: Unit 1 Min Unit 2 ω Unit 1 ΔPmin
Page 49 and 50: positive value. When this value has
Page 51 and 52: needs of power. This solution would
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This expression is very similar to
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Li-Pmax < Fi < Li for unit ‘i’
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ω ω ω o Fo ω o Fo F F Unit Powe
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This control has been implemented i
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characteristic will coincide with t
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ating on the voltage output, establ
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Prime Mover DC Storage Voltage Sour
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linearity. A value of 30 degrees pr
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Figure 4.8 P and Q Plane Capability
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4.4 System Ratings The inverter per
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Switching Sequence 145 146 136 236
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generated by the inverter: the VA r
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% of voltage unbalance = 100 maximu
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Figure 5.2 shows the plots for P,Q
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Figure 5.5 shows the measures of P
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Figure 5.7 One Unit Connected to th
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Microsources are connected to the l
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The transformer impedance can be se
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o r 1 = 0.3277 Ω = 0.0547 Ω x x 1
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Table 6.3 Load Data Summary. Rated
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The worse case scenario is represen
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The filtering is achieved by a low
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works with an internal voltage leve
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terminals to achieve each of the th
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Table 6.5 Lookup Table for Switchin
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Chapter 7. Microgrid Tests There ar
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Table 7.1 Summary of Experiments fo
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Table 7.2 Series Configuration Cont
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Figure 7.6 Control of F1 and F2, Fe
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Figure 7.10 Control of P1 and F2, F
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pu, but when it is fed from a remot
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Unit 1: P, Q, F, Frequency, Voltage
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7.4.1 Unit 1 (F), Unit 2 (F), Impor
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Import From Grid, Setpoints are 10%
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Island, Setpoints are 10% and 90% o
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7.4.2 Unit 1 (F), Unit 2 (F), Expor
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Export to Grid, Setpoints are 10% a
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7.4.3 Unit 1 (F), Unit 2 (P), Impor
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7.4.4 Unit 1 (F), Unit 2 (P), Expor
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Chapter 8. Conclusions This work sh
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[14] Lasseter, R.,” Microgrids,
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