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2-Winding 3-Phase Series/Series Linear Transformer

Description

Series transformers are very similar in design to other 3-phase transformers. However, because of their particular connection (series), they are mainly used for series devices such as DVR, active filters, UPFC, etc. The 2-winding series/series linear transformer is best used when the simulation of saturation can be avoided as it can save computation time.

Table of Contents

Mask and Parameters

General Parameters

DescriptionUse this field to add all kinds of information about the component
Base primary/secondary winding voltage (rmsLL

Base value for PU conversion (kV)

Voltage expressed in kV rms LL

This base voltage and nominal voltage will change, if the corresponding winding connection switches between delta and Y.

Base power (total)Base value for PU conversion (MVA)
Base frequencyBase value for PU conversion (Hz)


Magnetization Impedance Parameters

  • Rm: Equivalent resistance of iron losses of the magnetic circuit (Ω)
  • Lm: Magnetization inductance (H)

Winding Parameters

Voltage (rmsLL)

Rated voltage of the winding (kV)

Y connections: Voltage expressed in kV rms LL

Delta connections: Voltage expressed in kV rms LL

R1, R2Leakage resistance of the winding (Ω)
L1, L2Leakage inductance of the winding (H)

Ports, Inputs, Outputs and Signals Available for Monitoring

Ports

Net_1+Positive primary winding connection (supports only 1-phase connections)
Net_1-Negative primary winding connection (supports only 1-phase connections)
Net_2+Positive secondary winding connection (supports only 1-phase connections)
Net_2-Negative secondary winding connection (supports only 1-phase connections)

Inputs

  • None

Outputs

  • None

Sensors


ILMAG(a,b,c)Magnetization current for each phase (A)
IPRIM(a,b,c)Primary current for each phase (A)
ISEC2(a,b,c)Secondary current for each phase (A)

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