Positive Sequence Line

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This model is based on PI-section. As shown in the figure below, there are two ports for current measurement.

This model is based on PI-section. As shown in Figure 7, there are two ports for current measurement.

Parameters

Symbol	Description	Unit

Symbol	Description	Unit
ID	Line name	a unique name
Status	Connect/Disconnect status	Initial value 1 (0 for disconnected)
From bus	Sending bus	a unique name
To bus	Receiving bus	a unique name
R (pu)	Series resistance	p.u. (network base)
X (pu)	Series reactance (2pif*L)
B (pu)	Capacitive charge (2pif*C)

No	Pin Description	Pin Type	Value/Unit	Instruction

No	Pin Description	Pin Type	Value/Unit	Instruction
1	Set/Get three-phase-to-ground fault	I/O	1: Active 0: Inactive	lineID/faulty
2	Set/Get distance for line fault from starting bus	I/O	0 < value < 1	lineID/fault_distance_factor
3	Set/Get service status	I/O	1: In-service 0: Out-of-service	lineID/status
4	Get sending end current magnitude	O	p.u. (RMS, network base)	lineID/Imag0
5	Get sending end current angle	O	Degree	lineID/Iang0
6	Get receiving end current magnitude	O	p.u. (RMS, network base)	lineID/Imag1
7	Get receiving end current angle	O	Degree	lineID/Iang1
8	Get sending end active and reactive power	O	p.u. (network base)	lineID/P0 lineID/Q0
9	Get receiving end active and reactive power	O	p.u. (network base)	lineID/P1 lineID/Q1
10	Get active and reactive power loss	O	p.u. (network base)	lineID/PL lineID/QL
11	Set/Get resistance, reactance and capacitance of a line	I/O	p.u. (network base)	lineID/resistance lineID/reactance lineID/capacitance

See the Line page in phasor01_IEEE39.xlsx file in ePHASORSIM example phasor01.