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Table 4 Time consumption data

From: Reduced order modeling for transient simulation of power systems using trajectory piece-wise linear approximation

Training trajectory

Modes\(\mathbf q \)

Lin Pts\(\mathbf s \)

Time (s)

   

Full model

POD

Lin Pts Sel

1

312 (\(\eta \, <\, 10^{-4}\))

26 (\(\epsilon _s=0.01\))

202

33

276

 

312 (\(\eta \,<\, 10^{-4}\))

47 (\(\epsilon _s=0.005\))

  

632

 

203 (\(\eta \,<\, 10^{-2}\))

47 (\(\epsilon _s=0.005\))

  

580

2

312 (\(\eta \,<\, 10^{-4}\))

16 (\(\epsilon _s=0.005\))

191

27

155

 

199 (\(\eta \,<\, 10^{-2}\))

16 (\(\epsilon _s=0.005\))

  

150

 

199 (\(\eta \,<\, 10^{-2}\))

49 (\(\epsilon _s=0.001\))

  

850

3

130 (\(\eta \,<\, 10^{-4}\))

8 (\(\epsilon _s=0.005\))

60

30

105

 

62 (\(\eta \,<\, 2\times 10^{-2}\))

8 (\(\epsilon _s=0.005\))

  

100

 

62 (\(\eta \,<\, 2\times 10^{-2}\))

17 (\(\epsilon _s=0.001\))

  

200