Page 374 - Renewable Energy Devices and System with Simulations in MATLAB and ANSYS

Microgrid for High-Surety Power: Architectures, Controls, Protection, and Demonstration 361

Load
Source 1
W 1
η 11 η 12 η 1M1
Source 2
W 2
η 21 η 22 η 2M2
Source 3
W 3
η 31 η 32 η 3M3

W n Source n
η n1 η n2 η nMn
(a)

Load
W 1 Source 1
η 11 η 12 η 1M1
Source 2

Source 3

Source n
(b)

Load
Source 1

W 2 Source 2

η 21 η 22 η 2M2
W 3 Source 3
η 31 η 32 η 3M3

W n Source n
η n1 η n2 η nMn
(c)

FIGURE 14.6 Efficiency calculation of star architecture I. (a) Efficiency model of star architecture I.
(b) Efficiency calculation when grid is normal. (c) Efficiency calculation when grid fails.