Neplan

NEPLAN

®

User's Guide
Cable Sizing

Busarello + Cott + Partner Inc.

Cable Sizing

2

Information in this document is subject to change without notice and does not
represent a commitment on the part of Busarello + Cott + Partner Inc. No part
of this manual may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying andrecording, for any purpose without the express written permission of Busarello + Cott + Partner Inc.

 1988-2000 Busarello + Cott + Partner Inc, Erlenbach, Switzerland.
All rights reserved.

Busarello + Cott + Partner Inc.
Bahnhofstrasse 40
CH-8703 Erlenbach
Switzerland
Phone:
Telefax:
E-mail:
Internet:

+41 1 914 36 66
+41 1 991 19 71
bc@neplan.ch
www.neplan.chNEPLAN-Rev4.0-e11-09.01.01

© ABB Calor Emag Schaltanlagen AG (DECES/B)

Cable Sizing

11

3

Cable Sizing

Table of Contents :
11.1 General Remarks

6

11.1.1

Scope of the Module

6

11.1.2

Files and Program Dimensions

7

11.1.3

Calling up the Module

8

11.1.4

The Menus and Their Options

8

11.1.5

System Parameter

10

11.1.6

Connections to other CALPOSModules

10

11.1.7

Changes

11

11.2

Boundary Conditions

14

11.2.1

Network Types and Voltages

14

11.2.2

Regulations

14

11.2.3

Abbreviations and Formula Notation

18

11.3

General Calculations

19

11.3.1

Operating Currents

19

11.3.2

Voltage Drops

19

11.3.3

Short-Circuit Currents

19

11.3.4

Derating Factors

20

11.4Dimensioning Criteria

22

11.4.1

Selecting or Specifying the Cross-Section

22

11.4.2

Solution Algorithm

22

11.4.3

Protective Device against Overload

23

11.4.4

Cable Cross-Section for the Overload Condition

24

11.4.5

Voltage Drop during Normal Operation and Motor Start-Up

24

11.4.6

Checking the Switch-Off Condition

24

11.4.7

Low-VoltageThermal Short-Circuit Rating

25

11.4.8

High-Voltage Thermal Short-Circuit Rating

26

11.5

Protective Devices

27

11.5.1

General Remarks

27

11.5.2

Protective Device Data

27

11.6

Nodes

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© ABB Calor Emag Schaltanlagen AG (DECES/B)

Cable Sizing

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11.6.1

General Aspects

30

11.6.2

Supply Information30

11.6.3

Consumers

33

11.6.4

Distribution (not yet fully implemented)

34

11.7

Cable Selection Lists (Cable Types)

35

11.7.1

General Remarks

35

11.7.2

Required Data (Dialog Boxes)

35

11.7.3

Editing Cable Type Lists

38

11.7.4

Cable Data (Database)

40

11.7.5

Calling up from the Database

40

11.7.6

Entering Your Own CableTypes

41

11.7.7

Storing and Reading In Cable Type Lists

41

11.8

Cable Sections

42

11.8.1

General Section Information

42

11.8.2

Cable Protection

43

11.8.3

Type of Cable

44

11.8.4

Consumer Data

44

11.9

Data Input

45

11.9.1

Processing Procedure

45

11.9.2

Network Configuration (Calculation Parameters)

45

11.9.3Project Information

46

11.10

Import of Consumer Data

48

11.10.1

Formating of the Consumer File

48

11.10.2

How to Proceed

49

11.11

Calculation

50

11.11.1

General Remarks

50

11.11.2

Individual Dimensioning

50

11.11.3

Checking a Given Cross-Section

51

11.11.4

Updating the Results

51

11.11.5

Total of the Cable Lengths51

11.11.6

Creating an EDT File

51

11.11.7

Output onto a Results File ( *.RKD )

52

11.12

Documentation

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© ABB Calor Emag Schaltanlagen AG (DECES/B)

Cable Sizing

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11.12.1

Output Tables

54

11.12.2

Table Layout

54

11.13

Error Messages

55

11.14

File Formatting

56

11.14.1

Formatting the...