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Positive Sequence 2W Transformer

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Mathblock

alignment	left

T=\frac{RatioW1}{RatioW2}

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Parameters

Symbol	Description	Unit
ID	Transformer name	a unique name
Status	Connect/Disconnect status	Initial value 1 (0 for disconnected)
From bus	Primary bus	a unique name
To bus	Secondary bus	a unique name
R (pu)	Resistance between primary bus and secondary bus	network p.u.
Xl (pu)	Reactance between primary bus and secondary bus	network p.u.
Gmag (pu)	Magnetization conductance	network p.u.
Bmag (pu)	Magnetization Susceptance	network p.u.
Ratio W1 (pu)	Primary off-nominal ratio	p.u.
Ratio W2 (pu)	Secondary off-nominal ratio	p.u.
Phase Shift (deg)	Between primary and secondary bus voltage	Degree

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This model is a three-winding transformer with tap-changer and phase shift.Positive Sequence 3W Transformer

Symbol	Description	Unit
ID	Transformer name	a unique name
Status	Connect/Disconnect status	Initial value 1 (0 for disconnected)
Bus1	Primary bus	a unique name
Bus2	Secondary bus	a unique name
Bus3	Tertiary bus	a unique name
R_12 (pu)	Resistance between primary bus and secondary bus	network p.u.
Xl_12 (pu)	Reactance between primary bus and secondary bus
R_23 (pu)	Resistance between secondary bus and tertiary bus
Xl_23 (pu)	Resistance between secondary bus and tertiary bus
R_31 (pu)	Resistance between primary bus and tertiary bus
Xl_31 (pu)	Reactance between primary bus and tertiary bus
Gmag (pu)	Magnetization conductance
Bmag (pu)	Magnetization susceptance
Ratio W1 (pu)	Primary off-nominal ratio	p.u.
Ratio W2 (pu)	Secondary off-nominal ratio	p.u.
Ratio W3 (pu)	Tertiary off-nominal ratio	p.u.
Phase Shift W1 (deg)	Phase shift of winding 1	Degree
Phase Shift W2 (deg)	Phase shift of winding 2	Degree
Phase Shift W3 (deg)	Phase shift of winding 3	Degree

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