国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網! 客服QQ:772084082 加入會員
當前位置: 首頁 > 標準詳情頁

BS 4999-104:1988被替代

General Requirements For Rotating Electrical Machines - Methods Of Test For Determinating Synchronous Machine Quantities

出版:British Standards Institution

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標準狀態變更提醒服務!

專家解讀視頻

基本信息
標準編號: BS 4999-104:1988
發布時間:1988/2/29 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:96
標準簡介

Describes three-phase synchronous machines of 1 kVA rating and larger with frequency of not more than 400 Hz and not less than 15 Hz. Not intended to apply to special synchronous machines such as permanent-magnet field machines. While the tests also apply in general to brushless machines, certain variations do exist and special precautions should be taken. Covers terminology and methods of determination and description of the tests and determination of machine quantities from these tests. Comprises of some 80 pages. BS AMD 8875 RENUMBERS THIS STANDARD

標準備注

? British Standards Institution 2013

Renumbered and superseded by BS EN 60034-4
Supersedes 86/31743 DC and BS 4296(1968).
(09/2003)

等同采用的國際標準

IEC 60034-4 Ed. 2.0 - Identical