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ePHASORSIM native library have the following PSS/e supported power system stabilizer models.

Stabilizer IEE2ST

 

Parameters 

Name

Description

Unit

K1

Gain

pu

K2

Gain

s

T1

Time constant

s

T2

Time constant

s

T3

Time constant 

s

T4

Time constant

s

T5

Time constant

s

T6

Time constant

s

T7

Time constant

s

T8

Time constant

s

T9

Time constant

s

T10

Time constant

s

Lsmax

Maximum limiter

pu

Lsmin

Minimum limiter

pu

Vcu

Cutoff llimiter

pu

Vcl

Cutoff limiter 

pu

Stabilizer IEEEST

 

Parameters 

Name

Description

Unit

A1

Filter coefficient

pu

A2

Filter coefficient

pu

A3

Filter coefficient

pu

A4

Filter coefficient

pu

A5

Filter coefficient 

pu

A6

Filter coefficient

pu

T1

Time constant

s

T2

Time constant

s

T3

Time constant

s

T4

Time constant

s

T5

Time constant

s

T6

Time constant

s

Ks

Gain

pu

Lsmax

Maximum limit

pu

Lsmin

Minimum limit

pu

Vcu

Cutoff llimiter

pu

Vcl

Cutoff limiter 

pu

Stabilizer STAB1

Parameters 

Name

Description

Unit

K

Gain

pu

T

Time constant

s

T1

Time constant

s

T2

Time constant

s

T3

Time constant 

s

T4

Time constant

s

Hlim

Output limit

pu

Stabilizer STAB3

 

Parameters 

Name

Description

Unit

K

Gain

pu

Tt

Time constant

s

Tx1

Time constant

s

Tx2

Time constant

s

Kx

Gain 

pu

Vlim

Output limit

pu

Stabilizer STAB4

Parameters 

Name

Description

Unit

Kx

Gain

pu

Tt

Time constant

s

Tx1

Reset time constant

s

Tx2

Time constant

s

Ta

Time constant

s

Tb

Time constant

s

Tc

Time constant

s

Td

Time constant

s

Te

Time constant

s

L1

Output limit

pu

L2

Output limit

pu

Stabilizer PSS2A

 

Parameters 

Name

Description

Unit

M

Denominator orden of ramp traking filter

-

N

Order of ramp tracking filter

-

Tw1

First washout on signal 1

s

Tw2

Second washout on signal 1

s

T6

Time constant

s

Tw3

First washout on signal 2

s

Tw4

Second washout on signal 2

s

T7

Time constant

s

Ks2

Gain on signal 2

pu

Ks3

Gain on signal 2 input before ramp-tracking filter

pu

T8

Lead on ramp tracking filter

s

T9

Lag on ramp tracking filter

s

Ks1

Gain

pu

T1

Lead/Lag time constant

s

T2

Lead/Lag time constant

s

T3

Lead/Lag time constant

s

T4

Lead/Lag time constant

s

Vstmax

Output max limit

pu

Vstmin

Output min limit

pu

Stabilizer PSS2B

 

Parameters 

Name

Description

Unit

M

Denominator orden of ramp traking filter

-

N

Order of ramp tracking filter

-

Tw1

First washout on signal 1

s

Tw2

Second washout on signal 1

s

T6

Time constant

s

Tw3

First washout on signal 2

s

Tw4

Second washout on signal 2

s

T7

Time constant

s

Ks2

Gain on signal 2

pu

Ks3

Gain on signal 2 input before ramp-tracking filter

pu

T8

Lead on ramp tracking filter

s

T9

Lag on ramp tracking filter

s

Ks1

Gain

pu

T1

Lead/Lag time constant

s

T2

Lead/Lag time constant

s

T3

Lead/Lag time constant

s

T4

Lead/Lag time constant

s

T10

Lead/Lag time constant

s

T11

Lead/Lag time constant

s

Vs1max

Input signal 1 max limit

pu

Vs1min

Input signal 1 min limit

pu

Vs2max

Input signal 2 max limit

pu

Vs2min

Input signal 2 min limit

pu

Vstmax

Output max limit

pu

Vstmin

Output min limit

pu

Available I/O Pins 

No

Pin Description

Pin Type

Value/Unit

Instruction

1

Get stabilizer output (Vs)

O

p.u.

pssID/pins/Vothsg

Example

See the PSS page in phasor01_IEEE39.xlsx file in demo PHASOR-01.



Notes: Having a PSS without an active Exciter causes unexpected results.


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