SpletKesimpulan Pada transformator distribusi 20 MVA, 20kV, 50Hz, dengan sistem pendinginan ONAN (Oil Natural Air Natural) dan ONAF (Oil Natural Air Forced) menggunakan metode Temperatur Rise Test dapat diperoleh kesimpulan sebagai berikut: 1. Splet01. maj 2002 · The transformer has an ONAN rating at 55C rise and an ONAN rating at 65C rise, as well as an ONAF rating at each temperature rise. You would use the 55C ratings if you want to extend the life of the transformer, knowing that it can be operated at the 65C ratings at the expense of life expectancy. iskar2000 (Electrical) (OP) 19 Apr 02 01:17
Learn how to interpret transformer nameplate information
Splet28. maj 2012 · Perbedaan antara Trafo ONAN dan ONAF N = Natural convection flow through cooling equipment and in windings F = Forced circulation through cooling … SpletONAN: Typischer Öltransformator, der nur mit Konvektion funktioniert. ... ONAF: Öltransformator, der insgesamt etwas kompakter ausfällt, weil die äußeren Ölkühler von Gebläsen belüftet werden und deshalb bei kleinerer Oberfläche die gleiche Verlustleistung abgeben können. OFAF: Wird nur verwendet, wenn die Konvektionskraft des Öls ... tachyoninc.com
What is KNAN / KNAF transformer? – Voltage Disturbance
Splet: ONAN/ONAF Voltage Ratio : 110 000 / 20 000 V Voltage Regulation : On-load Tap Changer in 19 steps Tapping Range : 110 000 V +-9x1,78% Frequency : 50 Hz Temperature Rise (oil/wind): 60/65 K Connection : YNd11 Total Weight : ~87 000 kg Transport Weight http://repository.ub.ac.id/143769/ Splet21. apr. 2024 · What is cooling class of transformer i.e. AN, ONAN, ONAF and OFAF. As you all know, transformer contains windings which carry electric current and electric current … tachyonic particel core fisk