Control and Design of Microgrid Components - Power Systems ...

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Import From Grid, Setpoints are 90% and 10% of Unit Rating, Islanding Utility System Event: Transfer to Island F 1 P 1 4 wire 75yd 4 wire 25yd P 2 L L 1 3 L 4 L 5 F 2 Event shows Unit 1 reaching maximum output power after islanding. Series Configuration, Control of P 1 and P 2 A – Grid B – Island P [pu] 0.72 = 90% 0.8 = 100% 1 P [pu] 0.08 = 10% 0.4 = 50% 2 Frequency [Hz] Load Level [pu] Grid Flow [pu] 60.00 59.8 1.2 = 150% 1.2 = 150% 0.4 = 50% 0.0 Intermediate Bus (Load L 3 ) Voltage, 200ms/div. 110
Unit 1: P, Q, F, Frequency, Voltage Magnitude, Current Magnitude, 500ms/div. Unit 2: P, Q, F, Frequency, Voltage Magnitude, Current Magnitude, 500ms/div. 111
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PSERC Control and Design of Microgr
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Information about this project For
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Executive Summary Economic, technol
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Table of Contents Chapter 1. Introd
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List of Figures Figure 1.1 Microgri
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List of Figures (continued) Figure
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Chapter 1. Introduction Distributed
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1.2.2 Operation and Investment The
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Figure 1.1 Microgrid Architecture D
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Chapter 2. Static Switch The static
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ω ωo ω1 Preq Pgrid P Pload Figur
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2.3 Synchronization Conditions The
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droop. The issue is that it is poss
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This synchronizing behavior is unac
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Figure 2.12 shows on the upper plot
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Chapter 3. Microsource Details This
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with different size. This control i
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u + _ K F ω o + _ ω o s P u ω o
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Q versus E Droop E req Q m Q _ + E
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currents from the microsources incr
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inverter ratings limits (in kVA) ca
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A 16 DG B 22 DG Static Switch C 8 D
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ω Unit 2 Max Unit 2 ω o Unit 1 ω
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Unit 1 Min Unit 2 ω Unit 1 ΔPmin
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positive value. When this value has
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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
Page 71 and 72: 4.4 System Ratings The inverter per
Page 73 and 74: Switching Sequence 145 146 136 236
Page 75 and 76: generated by the inverter: the VA r
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Page 79 and 80: Figure 5.2 shows the plots for P,Q
Page 81 and 82: Figure 5.5 shows the measures of P
Page 83 and 84: Figure 5.7 One Unit Connected to th
Page 85 and 86: Microsources are connected to the l
Page 87 and 88: The transformer impedance can be se
Page 89 and 90: o r 1 = 0.3277 Ω = 0.0547 Ω x x 1
Page 91 and 92: Table 6.3 Load Data Summary. Rated
Page 93 and 94: The worse case scenario is represen
Page 95 and 96: The filtering is achieved by a low
Page 97 and 98: works with an internal voltage leve
Page 99 and 100: terminals to achieve each of the th
Page 101 and 102: Table 6.5 Lookup Table for Switchin
Page 103 and 104: Chapter 7. Microgrid Tests There ar
Page 105 and 106: Table 7.1 Summary of Experiments fo
Page 107 and 108: Table 7.2 Series Configuration Cont
Page 109 and 110: Figure 7.6 Control of F1 and F2, Fe
Page 111 and 112: Figure 7.10 Control of P1 and F2, F
Page 113 and 114: pu, but when it is fed from a remot
Page 115 and 116: Unit 1: P, Q, F, Frequency, Voltage
Page 121: Unit 1: P, Q, F, Frequency, Voltage
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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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