(7.51)

where ${Z}_{\mathit{ij}}$ is the branch impedance at the *h*th harmonic order.

For harmonic power-flow calculation, the forward/backward sweep approach is utilized as the optimization algorithm. Then, the bus voltage with respect to the system harmonic vector is computed by using the forward voltage sweep and is expressed as

$[{V}^{(h)}]=[H{A}_{\mathit{ij}}^{\left(h\right)}\left]\right[{I}^{(h)}]$ (7.52)

(7.52)

where [$H{A}_{\mathit{ij}}^{\left(h\right)}$] is the relationship matrix between the bus voltage vector and the system harmonic ...

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