Inverse Optimal Control with Speed Gradient for a Power Electric System Using a Neural Reduced Model

Table 2

Reduced 𝑌 Matrices at bus 8.

Type of network	Node	1	2	3
Pre-fault	1	0.938−𝑗2.798	0.325+𝑗1.588	0.251+𝑗1.315
	2	0.325+𝑗1.588	0.436−𝑗2.694	0.230+𝑗1.123
	3	0.251+𝑗1.315	0.230+𝑗1.123	0.296−𝑗2.325
Faulted	1	0.736−𝑗3.569	0.082+𝑗0.535	0.063+𝑗0.534
	2	0.082+𝑗0.535	0.146−𝑗4.128	0.006+𝑗0.058
	3	0.063+𝑗0.534	0.006+𝑗0.058	0.122−𝑗3.115
Fault cleared	1	0.850−𝑗3.252	0.334+𝑗1.346	0.075+𝑗0.569
	2	0.334+𝑗1.346	0.687−𝑗2.061	0.032+𝑗0.148
	3	0.075+𝑗0.569	0.032+𝑗0.148	0.124−𝑗3.111