Handbook of Electrical Tables and Design Criteria

Fault-Current Calculations with Short-Circuit Tables and Data

Fault-Current Calculations

Three-Phase Bolted Fault Calculations
Copyright 1994 - V.F. Christoffer - All Rights Reserved

Motor Contribution:

(FLA)

4 =

Proj. No.:

By:

Page

of

Node

From Node

Name

Wire Size

(Isca 1.732 Length) / (Runs C-Value L-L Volts) + 1 (1/ ) Isca = Isc + Motor Contribution = Isc @ Node

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

1.732

/

+

1

(1/ )

=

+

=

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