Skip to main content

Table 1 Case study 1: average percentage estimation errors

From: Some advanced parametric methods for assessing waveform distortion in a smart grid with renewable generation

 

Fundamental

3rd

11th

401st

405th

(a) Average errors by frequency [%]

     

SWEM

1.08 × 10−4

0.0028

1.74 × 10−4

2.93 × 10−6

1.15 × 10−5

SWPM

5.77 × 10−5

0.0012

8.47 × 10−5

1.18 × 10−6

4.81 × 10−6

SWEDEM

6.86 × 10−4

1.58 × 10−5

1.58 × 10−5

1.58 × 10−5

1.58 × 10−5

SWPDPM

1.55 × 10−5

1.60 × 10−5

1.60 × 10−5

1.60 × 10−5

1.60 × 10−5

SWMEM

1.12 × 10−4

0.0023

1.50 × 10−4

3.01 × 10−6

1.89 × 10−6

SWMPM

4.43 × 10−5

0.0013

2.21 × 10−5

2.27 × 10−6

5.54 × 10−7

IECM

0.04

0.04

0.04

0.04

0.04

(b) Average errors of amplitude [%]

     

SWEM

9.85 × 10−4

0.067

0.016

0.0081

0.031

SWPM

4.29 × 10−4

0.026

0.0078

0.0037

0.017

SWEDEM

0.11

0.09

0.064

0.073

0.070

SWPDPM

0.11

0.66

0.073

0.074

0.071

SWMEM

5.27 × 10−4

0.019

0.0056

0.0024

0.014

SWMPM

3.86 × 10−4

0.023

0.0065

0.0032

0.014

IECM

0.060

0.70

0.28

82.31

91.51

  1. Average percentage estimation errors of (a) frequencies and (b) amplitudes of the fundamental, 3rd, 11th, 401st, and 405th harmonic components by means of SWEM, SWPM, SWEDEM, SWPDEPM, SWMEM, SWMPM, and IECM.