Multiple distributed generators islanding detection using GBDT-JS techniques | Science and Technology for Energy Transition (STET)

Decarbonizing Energy Systems: Smart Grid and Renewable Technologies

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Table 2

Confusion matrices for 70% training data and 30% testing data.

S.No	Detail coefficients	Confusion matrix of testing data			Confusion matrix of training data
S.No	Detail coefficients	ANN	GBDT	GBDT-JS	ANN	GBDT	GBDT-JS
1	Level 1	$[\begin{matrix} 1067 & 228 \\ 253 & 2203 \end{matrix}]$ $\left[\begin{array}{cc}1067& 228\\ 253& 2203\end{array}\right]$	$[\begin{matrix} 1258 & 86 \\ 409 & 1996 \end{matrix}]$ $\left[\begin{array}{cc}1258& 86\\ 409& 1996\end{array}\right]$	$[\begin{matrix} 1193 & 102 \\ 343 & 2113 \end{matrix}]$ $\left[\begin{array}{cc}1193& 102\\ 343& 2113\end{array}\right]$	$[\begin{matrix} 4420 & 0 \\ 8081 & 0 \end{matrix}]$ $\left[\begin{array}{cc}4420& 0\\ 8081& 0\end{array}\right]$	$[\begin{matrix} 4185 & 235 \\ 1263 & 6818 \end{matrix}]$ $\left[\begin{array}{cc}4185& 235\\ 1263& 6818\end{array}\right]$	$[\begin{matrix} 4130 & 290 \\ 1213 & 6808 \end{matrix}]$ $\left[\begin{array}{cc}4130& 290\\ 1213& 6808\end{array}\right]$
2	Level 2	$[\begin{matrix} 389 & 76 \\ 118 & 1293 \end{matrix}]$ $\left[\begin{array}{cc}389& 76\\ 118& 1293\end{array}\right]$	$[\begin{matrix} 429 & 67 \\ 127 & 125 \end{matrix}]$ $\left[\begin{array}{cc}429& 67\\ 127& 125\end{array}\right]$	$[\begin{matrix} 399 & 66 \\ 123 & 1288 \end{matrix}]$ $\left[\begin{array}{cc}399& 66\\ 123& 1288\end{array}\right]$	$[\begin{matrix} 1563 & 0 \\ 4688 & 0 \end{matrix}]$ $\left[\begin{array}{cc}1563& 0\\ 4688& 0\end{array}\right]$	$[\begin{matrix} 1390 & 173 \\ 411 & 4277 \end{matrix}]$ $\left[\begin{array}{cc}1390& 173\\ 411& 4277\end{array}\right]$	$[\begin{matrix} 1356 & 207 \\ 365 & 4323 \end{matrix}]$ $\left[\begin{array}{cc}1356& 207\\ 365& 4323\end{array}\right]$
3	Level 3	$[\begin{matrix} 113 & 57 \\ 27 & 741 \end{matrix}]$ $\left[\begin{array}{cc}113& 57\\ 27& 741\end{array}\right]$	$[\begin{matrix} 154 & 33 \\ 47 & 704 \end{matrix}]$ $\left[\begin{array}{cc}154& 33\\ 47& 704\end{array}\right]$	$[\begin{matrix} 135 & 35 \\ 50 & 718 \end{matrix}]$ $\left[\begin{array}{cc}135& 35\\ 50& 718\end{array}\right]$	$[\begin{matrix} 553 & 0 \\ 2573 & 0 \end{matrix}]$ $\left[\begin{array}{cc}553& 0\\ 2573& 0\end{array}\right]$	$[\begin{matrix} 468 & 85 \\ 157 & 2416 \end{matrix}]$ $\left[\begin{array}{cc}468& 85\\ 157& 2416\end{array}\right]$	$[\begin{matrix} 466 & 87 \\ 170 & 2403 \end{matrix}]$ $\left[\begin{array}{cc}466& 87\\ 170& 2403\end{array}\right]$
4	Level 4	$[\begin{matrix} 32 & 29 \\ 8 & 400 \end{matrix}]$ $\left[\begin{array}{cc}32& 29\\ 8& 400\end{array}\right]$	$[\begin{matrix} 31 & 18 \\ 6 & 414 \end{matrix}]$ $\left[\begin{array}{cc}31& 18\\ 6& 414\end{array}\right]$	$[\begin{matrix} 43 & 18 \\ 14 & 394 \end{matrix}]$ $\left[\begin{array}{cc}43& 18\\ 14& 394\end{array}\right]$	$[\begin{matrix} 195 & 0 \\ 1368 & 0 \end{matrix}]$ $\left[\begin{array}{cc}195& 0\\ 1368& 0\end{array}\right]$	$[\begin{matrix} 143 & 52 \\ 42 & 1326 \end{matrix}]$ $\left[\begin{array}{cc}143& 52\\ 42& 1326\end{array}\right]$	$[\begin{matrix} 154 & 41 \\ 55 & 1313 \end{matrix}]$ $\left[\begin{array}{cc}154& 41\\ 55& 1313\end{array}\right]$

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