Handbook of Electrical Tables and Design Criteria

Fault-Current Calculations with Short-Circuit Tables and Data-Continued

Single-Phase L-N Fault-Current Tables

Single-Phase L-N Bolted Fault Calculations
Copyright - V.F. Christoffer - All Rights Reserved

Motor Contribution:

(FLA)

4 =

Proj. No.:

By:

Date:

Page of

Node

From Node

Name

Wire Size

(Isca 1.5 2 Length) / (Runs C- Value E L-N) + 1 (/ ) Isca 1.5 = Isc + Motor Contribution = Isc @ Node

1.5

2

/

+

1

(1/ )

1.5

=

+

=

1.5

2

/

+

1

(1/ )

1.5

=

+

=

1.5

2

/

+

1

(1/ )

1.5

=

+

=

1.5

2

/

+

1

(1/ )

1.5

=

+

=

1.5

2

/

+

1

(1/ )

1.5

=

+

=

1.5

2

/

+

1

(1/ )

1.5

=

+

=

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