Intelligent Network Integration of Distributed Renewable Generation by Nadarajah Mithulananthan Duong Quoc Hung & Kwang Y. Lee

Author:Nadarajah Mithulananthan, Duong Quoc Hung & Kwang Y. Lee
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

(4.12)

4.3.3 Voltage Deviation Index

As shown in Fig. 4.4a, the voltage deviation (VD) along the branch from bus i to bus i + 1, (), can be expressed as follows [10]:

(4.13)

From Eq. (4.13), the total voltage deviation squared () in the whole system with n branches can be written as follows:

(4.14)

When both and are injected at bus k (see Fig. 4.4b), Eq. (4.14) can be rewritten as follows:

(4.15)

Substituting Eqs. (4.5) and (4.14) into Eq. (4.15), we obtain:

(4.16)

Finally, the voltage deviation index (IVD) of a distribution system can be defined as the ratio of Eqs. (4.16) and (4.14) as follows:

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