De(k)Voltage Sag Deviation

N

Z

P

e(k) Voltage Concentration

PL

α₁e + β₁De + δ₁

α₂e + β₂De + δ₂

α₃e + β₃De + δ₃

PB

α₄e + β₄De + δ₄

α₅e + β₅De + δ₅

α₆e + β₆De + δ₆

PM

α₇e + β₇De + δ₇

α₈e + β₈De + δ₈

α₉e +β₉De + δ₉

PS

α₁₀e + β₁₀De + δ₁₀

α₁₁e + β₁₁De + δ₁₁

α₁₂e + β₁₂De + δ₁₂

Normal

α₁₃e + β₁₃De + δ₁₃

α₁₄e + β₁₄De + δ₁₄

α₁₅e + β₁₅De + δ₁₅

NS

α₁₆e + β₁₆De + δ₁₆

α₁₇e + β₁₇De + δ₁₇

α₁₈e + β₁₈De + δ₁₈

NB

α₁₉e + β₁₉De + δ₁₉

α₂₀e + β₂₀De + δ₂₀

α₂₁e + β₂₁De + δ₂₁