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24 ो 7 ᳳЁ⬉ᴎᎹᄺ Jul. 2004
2004ᑈ 7 ᳜ Proceedings of the CSEE ©2004 .
᭛ゴ㓪ো˖0258•8013˄2004˅07•0223•04 Ёߚ㉏ো˖TM41 ᭛⤂ᷛ䆚ⷕ˖A ᄺ⾥ߚ㉏ো˖470·40
㞾✊ދै催➗⚍⊍বय़఼⏽छ䅵ㅫᮍ⊩
କ 1 ۂฆ༎ҝ 1ēཷ႙ࢋ 1ēਐྡྷᄍ 1ēൄᄯ 2ēᄦݖஜ 1ē
උέပຫ٤ഓē۪ͺͬՇ 071056Đූނď1ĕ۪ͺٝྜӖ༰ēඟࠣ 300132Ģ2ĕͬՇඟฏ
A METHOD OF TEMPERATURE RISE CALCULATION FOR NATURAL COOLING
HIGH IGNITION POINT OIL TRANSFORMER
WANG Xiu•chun1, YANG Zeng•jun1, MAO Yi•zhi1, SUN Xin•zhong2, ZHI Hui•qiang1, HAN Peng1
˄1. Hebei University of Technology, Tianjin 300132, China; 2. Baoding pany,
Baoding 071056, China˅
ABSTRACT: More and more high ignition point oil transfor•⏽छⱘ䅵ㅫᮍ⊩ᴹ䅵ㅫ催➗⚍⊍বय़఼ⱘ⏽छDŽ⬅
mers which are fireproofing are applied in many fields. As Ѣ催➗⚍⊍বय़఼ߎ⦄ᯊ䯈↨䕗ⷁˈ⦄䖬ᇥ᳝ҟ
physical properties of high ignition point oil are different from 㒡催➗⚍⊍বय़఼⏽छⱘ᭛⤂䌘᭭DŽ
transformer oil and the value of high ignition point oil viscosity ᴀ᭛ҹ㞾✊⊍ᕾ⦃㞾✊亢ދैবय़఼Ў՟ˈ
is bigger than the value of transformer oil viscosity, the calcula•ҢӴ⛁ᄺⱘᴀॳ⧚ߎথˈ䗮䖛ᇍবय़఼ⱘথ⛁ދ
tion method of transformer temperature rise used at present is
ै䖛䖯㸠ߚᵤˈᕫߎњϔ༫߽⫼ޚ߭ᮍ䅵ㅫ催
not suitable for high ignition point oil transformer. In this paper
➗⚍⊍বय़఼⏽छⱘ䅵ㅫᮍ⊩ˈ㒣䆩偠偠䆕᳝ᕜ
a calculation method, which has been verified by experiment
resu