Table 3 Changes in energy information (\(E_{I_{x}}\)) per unit (p. u.) of current signals for different conditions with varied source parameters: (a) for no fault condition (NF), (b) for single switch and upper lower switch fault condition, and (c) for double switch fault condition.
From: Dual graph attention network for robust fault diagnosis in photovoltaic inverters
(a) Energy information under no fault condition | |||||||
|---|---|---|---|---|---|---|---|
PV parameters | No fault condition | ||||||
E (Wm\(^{-2}\)) | T (\(^\circ\)C) | \(E_{I_{A}} (p. u.)\) | \(E_{I_{B}} (p. u.)\) | \(E_{I_{C}} (p. u.)\) | |||
250 | 25 | 7728285492 | 3963520171 | 3917527889 | |||
300 | 26 | 7728285103 | 3963520060 | 3917528426 | |||
350 | 27 | 7728284720 | 3963519951 | 3917528955 | |||
400 | 28 | 7728284343 | 3963519836 | 3917529475 | |||
450 | 29 | 7728283971 | 3963519721 | 3917529987 | |||
500 | 30 | 7728283600 | 3963519607 | 3917530501 | |||
550 | 31 | 7728283234 | 3963519504 | 3917531008 | |||
600 | 32 | 7728282874 | 3963519409 | 3917531510 | |||
650 | 33 | 7728282511 | 3963519314 | 3917532018 | |||
700 | 34 | 7728282149 | 3963519219 | 3917532523 | |||
750 | 35 | 7728281778 | 3963519084 | 3917533034 | |||
(b) Energy information under single switch and upper-lower switch faults | |||||||
|---|---|---|---|---|---|---|---|
PV parameters | Single switch fault (S1) | Upper-lower switch fault (S5–S6) | |||||
\(E (Wm^{-2)}\) | T (\(^\circ\)C) | \(E_{I_{A}} (p. u.)\) | \(E_{I_{B}} (p. u.)\) | \(E_{I_{C}} (p. u.)\) | \(E_{I_{A}} (p. u.)\) | \(E_{I_{B}} (p. u.)\) | \(E_{I_{C}} (p. u.)\) |
250 | 25 | 12921027281 | 2851920448 | 12002388872 | 7832508416 | 3842525350 | 3635566014 |
300 | 26 | 12921090754 | 2851871652 | 12002300818 | 7832648571 | 3842551393 | 3635438853 |
350 | 27 | 12921152643 | 2851824049 | 12002214944 | 7832789577 | 3842577375 | 3635310802 |
400 | 28 | 12921213157 | 2851777534 | 12002130994 | 7832931319 | 3842603320 | 3635181990 |
450 | 29 | 12921272697 | 2851731787 | 12002048402 | 7833073790 | 3842629230 | 3635052422 |
500 | 30 | 12921331781 | 2851686368 | 12001966428 | 7833217125 | 3842655081 | 3634921953 |
550 | 31 | 12921390248 | 2851641449 | 12001885322 | 7833361061 | 3842680924 | 3634790871 |
600 | 32 | 12921448223 | 2851596934 | 12001804913 | 7833505998 | 3842706685 | 3634658739 |
650 | 33 | 12921506157 | 2851552422 | 12001724538 | 7833651401 | 3842732465 | 3634526145 |
700 | 34 | 12921563761 | 2851508189 | 12001644636 | 7833797949 | 3842758140 | 3634392341 |
750 | 35 | 12921621088 | 2851464194 | 12001565129 | 7833944819 | 3842783863 | 3634258237 |
(c) Energy information under different double switch fault conditions | |||||||
|---|---|---|---|---|---|---|---|
PV parameters | Same half bridge (S1–S5) | Different half bridge (S1–S4) | |||||
\(E (Wm^{-2)}\) | T (\(^\circ\)C) | \(E_{I_{A}} (p. u.)\) | \(E_{I_{B}} (p. u.)\) | \(E_{I_{C}} (p. u.)\) | \(E_{I_{A}} (p. u.)\) | \(E_{I_{B}} (p. u.)\) | \(E_{I_{C}} (p. u.)\) |
250 | 25 | 12674587580 | 2835639636 | 11994516546 | 11654575528 | 2403974976 | 12528240609 |
300 | 26 | 12674649767 | 2835589993 | 11994429538 | 11654803008 | 2404004292 | 12528026805 |
350 | 27 | 12674710396 | 2835541575 | 11994344699 | 11655026130 | 2404032814 | 12527816986 |
400 | 28 | 12674769677 | 2835494261 | 11994261761 | 11655244283 | 2404060724 | 12527611852 |
450 | 29 | 12674828018 | 2835447717 | 11994180148 | 11655459200 | 2404088211 | 12527409732 |
500 | 30 | 12674885911 | 2835401512 | 11994099152 | 11655673707 | 2404115429 | 12527207893 |
550 | 31 | 12674943201 | 2835355815 | 11994019014 | 11655885966 | 2404142382 | 12527008180 |
600 | 32 | 12675000012 | 2835310525 | 11993939558 | 11656096499 | 2404169130 | 12526810098 |
650 | 33 | 12675056780 | 2835265243 | 11993860149 | 11656308284 | 2404195793 | 12526610721 |
700 | 34 | 12675113223 | 2835220246 | 11993781207 | 11656518843 | 2404222323 | 12526412509 |
750 | 35 | 12675169396 | 2835175490 | 11993702656 | 11656728380 | 2404248746 | 12526215269 |
