Grounding in drive system

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Grounding and cabling of the drive system

Variable Speed Drives

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Variable Speed Drives

Grounding and cabling of the drive system

3AFY 61201998 R0125 REV A

EFFECTIVE: 11.3.1998 SUPERSEDES: 6.3.1998

© 1998 ABB Industry Oy. All rights reserved.

Table ofContents

Table of Contents...........................................................................................................................................i Chapter 1 - Introduction ............................................................................................................................1-1 The purpose of themanual.................................................................................................................1-1 Objectives of grounding......................................................................................................................1-1 Availability ................................................................................................................................1-27rh…vtÃpˆ……r‡† !

The grounding structure .....................................................................................................................1-3 Chapter 2 - Grounding of drive modules ..................................................................................................2-1 General..............................................................................................................................................2-1 Chapter 3 - Cabling of variable speed drives ...........................................................................................3-1 General..............................................................................................................................................3-1 Supply................................................................................................................................................3-1 Transformer..............................................................................................................................3-1B…‚ˆqrqÆrp‚qh…’ÃUIÃUIT" Ay‚h‡vtÃÆrp‚qh…’ÃDU "

Cabling.....................................................................................................................................3-1G‚Ãƒ‚r…ƈƒƒy’" Cvtur…ƈƒƒy’""

Motor cables ......................................................................................................................................3-5 AC drives.................................................................................................................................3-5 Availability ................................................................................................................................3-6 Cable routes.............................................................................................................................3-6
8hiyvtÂsÃuvtur…Ãs…r„ˆrp’Ãp‚‰r…‡r…Ãq…v‰r†...
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