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Table 1 Parameter descriptions and values

From: Damping forced oscillations in power system via interline power flow controller with additional repetitive control

Name Description Value Unit
Sn1/Sn3 The nominal power of Generator 1 and 3 2000 MVA
Sn2/ Sn4 The nominal power of Generator 2 and 4 1400 MVA
Vn1~ Vn4 The nominal voltage of Generator 1 ~ 4 13.8 kV
\( {x}_{d1}^{\prime}\sim {x}_{d4}^{\prime } \) The transient reactance of Generator 1 ~ 4 0.296  
x d3 The reactance of the infinite system 1.5E-4 H
f n The nominal frequency of the system 60 Hz
ST1/ST3 The nominal power of Transformer 1 and 3 2100 MVA
ST2/ST4 The nominal power of Transformer 2 and 4 1400 MVA
kT1~kT4 The transformer ratio of Transformer 1 ~ 4 13.8/500  
Sm/Sa The nominal power of the main and auxiliary converter 100 MVA
xse1/xse2 The reactance of the main and auxiliary converter 0.26 H
kϕp1/ kχp1 The proportional gain of main controller 3.75E-3  
kϕi1/ kχi1 The integral gain of main controller 0.1875  
k ϕp2 The proportional gain of DC voltage controller of the auxiliary converter 3.75E-3  
k ϕi2 The integral gain of DC voltage controller of the auxiliary converter 0.1875  
k χp2 The proportional gain of injected voltage controller of the auxiliary converter 1E-4  
k ϕi2 The integral gain of injected voltage controller of the auxiliary converter 2E-2  
U dcref The nominal voltage of DC 40,000 V
C dc The total equivalent capacitance of DC link 3.75E-4 F
xik1/ xik2 The reactance of the line between bus i and k 0.14 H
xjl1/ xjl2 The reactance of the line between bus j and l 0.14 H
x km The reactance of the line between bus k and m 0.047 H
x ln The reactance of the line between bus l and n 0.047 H
Sload1/ Sload5 The active power of load 1 and 5 250 MW
Sload2/ Sload6 The active power of load 2 and 6 100 MW
Sload3/ Sload7 The active power of load 3 and 7 2200 MW
Sload4/ Sload8 The active power of load 4 and 8 50 MW
T 1 parameters of SDC 0.021  
T 2 parameters of SDC 0.665