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Kontaktledningsspänning vid SJ -- 15 Hz vs 16 2/3 Hz (Elektrifiering/elektrisk drift)

av Per Ljungberg, Saturday, July 01, 2023, 14:30 (519 dagar sedan) @ Sune Nylén

Jag tror inte att det skulle vara nyttigt att genom två strömavtagare slå ihop två olika matningsfrekvenser utan en tillräckligt lång spänningslös sektion.

Hela tråden:

 

Time: 249
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Time: 1019
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE (mlf2_akismet_rating.spam = 1 OR mlf2_b8_rating.spam = 1)
Time: 1209
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE category IN (0, 4, 5, 6, 7, 8, 9, 25, 14, 23, 19, 22, 24, 10, 21, 11, 12, 13, 15, 16, 26, 18, 20, 27) AND (mlf2_akismet_rating.spam = 0 AND mlf2_b8_rating.spam = 0)

Total time: 2492