Index

Formula

Significance

Voltage deviation

V V a r = 1 N i = 1 N ( V i 1 N j = 1 N V i ) 2

Reflect the degree of fluctuation of node voltage

Reactive power stability

V S I = 4 Z i j 2 Q j V i X i j

Measuring system reactive stability

Load transfer

f = 1 n i = 1 n { [ D ( i ) + b ( i ) ] 1 n j = 1 N [ D ( j ) + b ( j ) ] } 2

Measure the smoothness of a load curve

Energy storage benefits

K = t L i = 1 m Δ P i , D G , t i = 1 m R i

When the low load can reflect the absorptive capacity of the energy storage device

Wind energy consumption

B 1 = T C d i s , t P d i s , t t T C c h , t P c h , t t

Evaluate the economy of the energy storage system