Parameters

Usage

PrimV

Primary Voltage can be specified for example as 88000 or 88kV

SecV

Secondary Voltage can be specified for example as 33000 or 33kV

Rating

Rating can be specified for example as 10000000, 10000kVA or 10MVA

User Code

Transformer User Code

OL

Permissible transformer overload in pu.

Zp

Positive sequence impedance in percentage from the transformer's name plate information

XRp

Positive sequence Reactance to Resistance ratio.

Zz

Zero sequence impedance in percentage from the transformer's name plate information

XRz

Zero sequence Reactance to Resistance ratio.

AutoTrfr

AutoTransformer status (1-Autotransformer, 0-not autotransformer)

AutoTrfrGrnd

AutoTransformer Grounding status (1-Grounded, 0-not Grounded)

PrimVec

Select the Transformer Primary Type and Earthing arrangement,

eg : Star earthed would be : YN.

SecVec

Select the Transformer Primary Type and Earthing arrangement,

eg : Delta not earthed would be : D.

PhaseShift

Angle Phase shift of the Transformer from Primary to Secondary

Rp

Resistance value for the primary earthing equipment

Xp

Reactance value for the primary earthing equipment

Rs

Resistance value for the secondary earthing equipment

Xs

Reactance value for the secondary earthing equipment

Taps

Number of Taps

Tnom

Nominal Tap Position

Tpos

Tap Position

Tstep

Tap Step

Vmin

Minimum per unit voltage for the tap change control

Vmax

Maximum per unit voltage for the tap change control

TapLock

1 if the tap is locked, 0 if not.

PrimTap

1 if the tap changer is on the Primary Side of the Transformer, 0 if not.

NoLoadPpu

No Load Loss (pu)

NoLoadIpu

No Load Current (pu)

ZoMag

pu Zo Magnetizing factor

UpdateF

Update Flag - ( 1 - Update dictionary if conflict exists, 0 - Use exisiting data if conflict exists)