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Synchronous Machine Modeling Guide

The document describes modeling a synchronous machine using a sixth-order state-space model. The model represents the electrical part of the machine using stator, field, and damper windings. The equivalent circuit is represented in the rotor reference frame. The model can operate in generator or motor mode depending on the sign of mechanical power.

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Dhruv Kumar Agrawal
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43 views4 pages

Synchronous Machine Modeling Guide

The document describes modeling a synchronous machine using a sixth-order state-space model. The model represents the electrical part of the machine using stator, field, and damper windings. The equivalent circuit is represented in the rotor reference frame. The model can operate in generator or motor mode depending on the sign of mechanical power.

Uploaded by

Dhruv Kumar Agrawal
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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AIM: Modeling of synchronous machine.

Theory:

The Synchronous Machine block operates in generator or motor modes. The operating mode is dictated
by the sign of the mechanical power (positive for generator mode, negative for motor mode). The
electrical part of the machine is represented by a sixth-order state-space model and the mechanical part
is the same as in the Simplified Synchronous Machine block.

The model takes into account the dynamics of the stator, field, and damper windings. The equivalent
circuit of the model is represented in the rotor reference frame (qd frame). All rotor parameters and
electrical quantities are viewed from the stator. They are identified by primed variables. The subscripts
used are defined as follows:

# d,q: d and q axis quantity

# R,s: Rotor and stator quantity

# l,m: Leakage and magnetizing inductance

# f,k: Field and damper winding quantity


figure 2.1

PROGRAM:

If=[695.64,774.7,917.5,1001.6,1082.2,1175.9,1293.6,1430.2,1583.7];
Vl=[9660,10623,12243,13063,13757,14437,15180,15890,16567];
plot(Vl,If)
grid
xlabel('line voltage(Vl)')
ylabel('field current(If)')
title('synchronous machine VI plot by roll no. "16EGJEE016"')
synchronus machine VI by roll no."16EGJEE016"
1600

1500

1400

1300
field current(IF)

1200

1100

1000

900

800

700

600
0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7
line voltage(VL) 4
x 10

table 2.1

RESULT: we have suceesfully studied about modeling of synchronous machine.

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