Vi = 110V

Vi = 130V

Pm or P

P1

QM, N

Q1

Pm

P1

Qm or N

Q1

Measured values

396.47

398.45

93.81

28.33

454.78

456.84

140.34

40.82

Exponential model output (Equation (1) and (2) with the data of Table 2)

Collective modela

394.40

396.52

25.88

27.60

451.71

453.89

37.54

40.08

Sum of modelsb

378.00

380.28

−19.74

28.28

435.35

437.47

−11.04

41.06

ZIP model output (Equation (3) and (4) with the data of Table 3)

Collective modela

395.18

397.30

107.80

30.32

452.29

454.47

135.91

38.34

Sum of modelsb

377.30

379.55

30.98

28.79

436.12

439.95

45.88

41.29

Modified ZIP model output (Equation (6) and (7) with the data of Table 4)

Collective modela

395.29

395.88

94.61

27.57

452.22

454.12

135.85

40.00

Sum of modelsb

380.41

377.59

20.79

27.18

435.52

441.11

48.08

42.28