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<< Click to Display Table of Contents >> CreateTrfrBranch Method
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<< Click to Display Table of Contents >> CreateTrfrBranch Method
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function CreateTrfrBranch(
const FromBusName, ToBusName :WideString;
Status : Integer;
Name, Number, Descr : WideString;
X1, Y1, X2, Y2, Quantity : Integer;
PrimV, SecV, Rating: WideString;
Derate: Double;
const UserCode: WideString;
OL, Zp, XRp, Zz, XRz, ILoss, PhaseShift, IBoost,
Taps, Tnom, Tpos : Integer;
Tstep, Vmin, Vmax: Double;
TapLock, PrimTap, Earth: Integer;
Rp, Xp, Rs, Xs: Double
): WideString;
Creates a Transformer branch connecting two Bus Bars with the parameters passed to the function.
Should there be a name conflict, it returns the actual name of the Transformer branch.
Parameter |
Usage |
FromBusName |
From Bus Name the Branch should connect to. |
ToBusName |
To Bus Name the Branch should connect to. |
Status |
Trfr Status (1-in service, 0 -out of service) |
Name |
Unique Name. If not unique, it will be changed and the new name returned by the method. |
Number |
Unique Number |
Description |
A Description for the Branch if it is required. |
X1 |
Startpoint X Co-ordinates |
Y1 |
Startpoint Y Co-ordinates |
X2 |
Endpoint X Co-ordinates |
Y2 |
Endpoint Y Co-ordinates |
Quantity |
Number of trfr's in Parallel |
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 |
Derate |
Derating Factor of the Transformer branch |
UserCode |
Tranformer User defined Code if Required |
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. |
ILoss |
Iron Losses in Watt for the Transformer |
PhaseShift |
Angle Phase shift of the Transformer from Primary to Secondary |
IBoost |
Specify the percentage internal voltage boost of the transformer |
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. |
Select the Transformer Type and Earthing arrangement, eg : Star - Star with only the secondary earthed would be : Y / YN. |
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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 |
Unique Transformer branch Name.
NewName := PowaMasterObj.CreateTrfrBranch( FromBusName, ToBusName, Status, OldName, Number, Description, X1, Y1, X2, Y2, Quantity, PrimV, SecV, Rating, DerateFactor, UserCode, OL, Zp, XRp, Zz, XRz, ILoss, PhaseShift, IBoost, Taps, Tnom, Tpos, Tstep, Vmin, Vmax, TapLock, PrimTap, Earth, Rp, Xp, Rs, Xs);
if CompareText(NewName, OldName) <> 0 then ShowMessage('The Name has been changed');