微信公众号随时随地查标准

QQ交流1群(已满)

QQ群标准在线咨询2

QQ交流2群

购买标准后,可去我的标准下载或阅读

定价: 956元 / 折扣价: 813

在线阅读 收 藏

1.1 Scope and object This technical specification applies to capacitors according to IEC 60871-1 and gives the requirements for overvoltage cycling and ageing tests of these capacitors. Ce format PDF permet de faire de la recherche 1.1 Domaine d.a

定价: 546元 / 折扣价: 465

在线阅读 收 藏

CSA Preface This is the second edition of CAN/CSA-C61000-2-2, Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems, which i

定价: 1001元 / 折扣价: 851

在线阅读 收 藏

1 Scope Interest in magnetic fields has been stimulated in recent years by concern over the physiological effects they may have on humans and animals and the deleterious effects they have on the performance of some electrical equipment, particularly vi

定价: 1183元 / 折扣价: 1006

在线阅读 收 藏

CSA Preface This is the first edition of CAN/CSA-C61000-3-3, Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current

定价: 1092元 / 折扣价: 929

在线阅读 收 藏

1 Scope This technical report outlines principles which are intended to be used as the basis for determining the requirements for connecting large fluctuating loads (producing flicker) to public power systems. The primary objective is to provide guidan

定价: 1274元 / 折扣价: 1083

在线阅读 收 藏

Not available

定价: 2321元 / 折扣价: 1973

在线阅读 收 藏

Update No.1 is included in the PDF 1 Scope [Replace this clause with the following] 1.1 This Standard specifies the electrical and mechanical characteristics of round wire concentric lay overhead electrical stranded conductors made of combinations

定价: 1047元 / 折扣价: 890

在线阅读 收 藏
2141 条记录,每页 15 条,当前第 21 / 143 页 第一页 | 上一页 | 下一页 | 最末页  |     转到第   页