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Positive Sequence Fault

Owned by Sylvain Ménard
Last updated: Jun 05, 2024 by Amira Aouina
1 min read

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Applying a fault to a bus causes it to act as an impedance was connected between it and a ground reference. The value of this impedance can be set using the ‘G_fault’ and ‘B_fault’ pins. Apply the fault by setting a non-zero value on the ‘active3PGFault’ pin.

For line, the default value of the fault impedance is same as the bus fault; however, it cannot be changed. Apply the line fault by setting a non-zero value to 'faulty' pin. The fault location in a line can also be provided using 'fault_distance_factor' pin. By default this value is 0.5 which means a fault would happen right at the middle of the line.

Available I/O Pins 

No

Pin Description

Pin Type

Value/Unit

Instruction

No

Pin Description

Pin Type

Value/Unit

Instruction

1

Set/Get three-phase-to-ground fault status 

I/O

1: Active

0: Inactive

busID/active3PGFault

2

Set/Get fault conductance

I/O

p.u.

default = 1e5 p.u.

busID/G_fault

3

Set/Get fault susceptance

I/O

p.u.

default = 0 p.u.

busID/B_fault

4

Set/Get three-phase-to-ground fault

I/O

1: Active

0: Inactive

lineID/faulty

5

Set/Get distance for line fault from starting bus

I/O

0 < value < 1

default = 0.5

lineID/fault_distance_factor

Example

See row 11, 16 and 17 of Pins page in phasor01_IEEE39.xlsx file in ePHASORSIM example phasor01.

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