| Standardization field | Electrical engineering
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| Technical committee | BAS/TC 56- Conventional and alternative sources of electrical energy |
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| Term (EN) | direct-axis sub-transient open-circuit time constant |
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| Definition (EN) | The time required, following a sudden change in operating conditions, for the rapidly changing component
present during the first few cycles of the open-circuit armature winding voltage which is due to direct-axis
flux, to decrease to 1/e, that is 0,368 of its initial value, the machine running at rated speed. |
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| Term (FR) | |
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| Definition (FR) | |
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| Term (DE) | |
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| Definition (DE) | |
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| Term (BS) | |
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| Definition (BS) | |
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| Term (HR) | podužna subtranzientna (početna) vremenska konstanta praznog hoda |
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| Definition (HR) | potrebno vrijeme, pri nagloj promjeni pogonskog stanja, da se brzo promjenјiva komponenta napona
otvorenog kola indukta inducirana magnetskim fluksom u uzdužnoj osi tijekom prvih perioda smanji na 1/e,
što je 0,368 njezine početne vrijednosti, uz naznačenu brzinu vrtnje stroja |
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| Term (SR) | |
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| Definition (SR) | |
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| Date | 2016-12-15 |
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| Standards | BAS IEC 60050-411:2016 |
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