Download Comparison of Principal Points of Standards for Electrical by Dipl.-Ing. Friedrich Nettel (auth.) PDF

By Dipl.-Ing. Friedrich Nettel (auth.)

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Additional resources for Comparison of Principal Points of Standards for Electrical Machinery (Rotating Machines and Transformers)

Example text

Die Grutld zahlttl (GZ) ttllsprtchttl den 'utlCtflih rt tl V{)rk ritcsp rtilttl un d t rc dJttl ",il d"n jtwdligm I:"lI fw t rl unCJf ak tor (U", r t d ",u lIcsschliisscl j tltrvit /fa

Correäion attammen~ of a steady Temperature. (Test observed Temp : 01 observed temp , started with T . ] Rise: rise due to dif2. s with cominuous rating and shortference in resistime load. The Temp. tance when ternp, the T . at constant no -load temperature and Rise as stated of ingoing air t carried on for the specified period. s Wlt' h short-ti. ' T he test d37 shall be re3· ror ort-time rating, db oft h e stan d ar d shall be started with cold Transformer i . e. uc: f y 1 pe~ of reference i.

R. is required to stand. * a1so for Substation macbines. Transformers. A. Britain a) Standard- and max, permissible Temperatures of Cooling Media. Normal I 200 C - 95 ° C Iadopted)900C - Max. permissible air Max. permissible water Max , permissible oll (provisionally 90° C b) Determination of End-Temperatures and Temperature Rises. Heating Test. 7. 1 The Heaiing Test shall be carried out at As one page As on page 7. A' bl st i Further: agncultural ranng : Ir a . . , For Tis wlth continuous rating until the Correction ot formers.

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