Block Diagrams1

8/10/2019 Block Diagrams1

1/284

Exciter AC7B and ESAC7B

CE

RsT +11

REFV

SV

UELV

+

+

1 E sT

E K

DK

( ) EX N F f I =

C FD N

E

K I I

V =

( ) X E E E V V S V =

+

+

+

++

+

FEV

XV

EV

EXF

FDI

FDE

Exciter AC7B and ESAC7B IEEE 421.5 2005 Type AC7B Excitation System Model

1 IR DR

PR DR

K sK K

s sT + +

+L FE-K V

+

CV

AC7B supported by PSSE

ESAC7B supported by PSLF with optional speed multiplier

RMAXVFEMAX D FD

E E E

V -K IK +S (V )

IAPAK

K s

+

AMAXV

AV

2F K

1F K

+

+

3

1F

F

sK sT +

P TK V

EMINVAMINVRMINV

NI

E

t

IR

DR

A

1 - V2 - Sensed V

3 - K

4 - K

5 - V

6 - Feedback

States

12

3 4

5

6

Speed

10

Spdmlt


2/284

Exciter AC8B

RsT +11

1 A

A

K sT +

RMAXV

RMINV

REFV SV

+

+

+

Exciter AC8B IEEE 421.5 2005 AC8B Excitation System

R V

Model supported by PSSE

COMPV

1

E sT

( ) E E E K S V +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

EXF

FDI

FDE

NI

FEV

52

E

t

R

1 - V

2 - Sensed V

3 - PID 1

4 - PID 2

5 - V

States

3

1

4

FEMAX D FD

E E E

V -K IK +S (V )

EMINV

1 IR DR

PR DR

K sK K

s sT + +

++

+

+

UELV OELV

PIDMAXV

PIDMINV


3/284

Exciter BPA_EA

TV

RsT +11

1

11 AsT +

REFV

+

+

1 E sT

E E S K +

+

Exciter BPA_EAContinuously Acting DC Rotating Excitation System Model

1 A

A

K sT +

1F

F

sK sT +

Model in the public domain, available from BPA

STBV

FDE

+

RMAXV

RMINV

Regulator

Exciter Filter

Stabilizer

FD

t

R

R1

F

1 - E

2 - Sensed V

3 - V

4 - V

5 - V

States

3 4

5

12


4/284

Exciter BPA EB

RsT +11

1

11 AsT +

REFV

+

+

1 E sT

E E S K +

+

Exciter BPA EBWestinghouse Pre-1967 Brushless Excitation System Model

1 A

A

K sT +

1F

F

sK sT +


STBV

FDE

+

RMAXV

RMINV

Regulator Exciter

Filter

Stabilizer

1

11 F sT +

FDMAXE

FDMINE 0=

TV

FD

t

R

R1

F

F1

1 - E before limit

2 - Sensed V

3 - V

4 - V

5 - V

6 - V

States

3 4

5

12

6


5/284

Exciter BPA EC

1

11 AsT +

REFV

+

+

1 E sT

E E S K +

+

Exciter BPA ECWestinghouse Brushless Since 1966 Excitation System Model

1 A

A

K sT +

1F

F

sK sT +


STBV

FDE

+

RMAXV

RMINV

Regulator Exciter

Stabilizer

FDMAXE

FDMINE 0=

E E S K +

TV3

4

12

FD

R

R1

F

1 - E before limit

2 - V

3 - V

4 - V

States


6/284

Exciter BPA ED

Exciter BPA EDSCPT Excitation System Model


RsT +11

REFV

SV

+

+

1 E sT

+

+

FDE

R V

+

20.78

If 1, 0

FD

THEV

B

I A

V

A V

=

> =

1F

F

sK

sT +

0

BMAXV

BV

THEV P T I T V K V jK I = +

1 AFDI

+

E K

1 A

A

K sT +

RMAXV

RMINV

1

11 AsT +

Stabilizer

Regulator Exciter

'TV

T V

T I

THEV V

3

4

5

12

t

A

R

1 - EField

2 - Sensed V

3 - V

4 - V

5 - Feedback

States


7/284

Exciter BPA EE

'TV

REFV

+

1 E sT

E E S K +

+

Exciter BPA EE Non-Continuously Active Rheostatic Excitation System Model

'

1 A

RH

K sT

+


FDE+

RMAXV

RMINV

Regulator Exciter

FDMAXE

FDMINE

If:

,

,

,

T V R RMAX

T V R RH

T V R RMIN

V K V V

V K V V

V K V V

= < = =

R V

'TV

'TOV

+

TV

RHV

RH

'

* NOTE:

If the time constant T is equal to

zero, this block is represented as K /s A

1

2

RH

1 - EField before limit

2 - V

States


8/284

Exciter BPA EF

REFV

+

+

1 E sT

E E S K +

+

Exciter BPA EFWestinghouse Continuous Acting Brushless Rotating Alternator

Excitation System Model

1F

F

sK sT +


SOV

FDE

+

RMAXV

RMINV

Regulator Exciter

Stabilizer

FDMAXE

FDMINE 0=

E E S K +

( )TV

T 0 R =(1 ) A AK sT

s

+

3

12

R

F


2 - V

3 - V

States


9/284

Exciter BPA EG

Exciter BPA EGSCR Equivalent Excitation System Model


REFV

SOV

+

+

FDE

R V

+

1F

F

sK

sT +

1 A

A

K sT +

RMAXV

RMINV

1

11 AsT +

Stabilizer

Regulator

TV

3

12

A

F

1 - EField

2 - V

3 - V

States


10/284

Exciter BPA EJ

1

11 AsT +

REFV

+

+

Exciter BPA EJWestinghouse Static Grand Couple PP#3 Excitation System Model

1 A

A

K sT +

1F

F

sK sT +


'TV FDE

+

RMAXV

RMINV

Regulator

Stabilizer

FDMAXE

FDMINE

SOV

11 RsT +

Filter

3

4

12

t

R

F


2 - Sensed V

3 - V

4 - V

States


11/284

Exciter BPA EK

1

11 AsT +

REFV

+

+

1 E sT

E E S K +

+

Exciter BPA EKGeneral Electric Alterrex Excitation System Model

1 A

A

K sT +

1F

F

sK sT +


SOV

FDE

+

RMAXV

RMINV

Regulator Exciter

Stabilizer

FDMAXE

FDMINE 0=

T

R

V(T =0)

3

4

12

R

R1

F


2 - V

3 - V

4 - V

States


12/284

Exciter BPA FA

Exciter BPA FAWSCC Type A (DC1) Excitation System Model


FV

SV

1

E sT FDE

+

1F

F

sK

sT +

V R( )C T C C T V V R jX I = + +T

V

T I

+

E E S K +

11

C

B

sT sT

++

RMAXV

RMINV

1 A

A

K sT +

ERR V +

FEV

RsT +11CV

REFV

+

34

5

1

2

t

B

R

F

1 - EField

2 - Sensed V

3 - V

4 - V

5 - V

States


13/284

Exciter BPA FB

Exciter BPA FBWSCC Type B (DC2) Excitation System Model


FV

SV

1

E sT FDE

+

1F

F

sK

sT +

V R( )C T C C T V V R jX I = + +

T V

T I

+

E E S K +

11

C

B

sT sT

++

T RMAXV V

T RMINV V

1 A

A

K sT +

ERR V +

FEV

RsT +11CV

REFV

+

34

5

1

2

t

B

R

F

1 - EField

2 - Sensed V

3 - V

4 - V

5 - V

States


14/284

Exciter BPA FC

1 A

A

K sT +

RMAXV

RMINV

1F

F

sK sT +

0

SV

+

FV

1

E sT

E K

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

+

FEV

R VEV

EXF

FDI

FDE

NI

( )C T C C T V V R jX I = + +T

V

T I

ERR V

RsT +11CV

REFV

+

Exciter BPA FCWSCC Type C (AC1) Excitation System Model


11

C

B

sT sT

++

+

34

5

1

2

E

t

R

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States


15/284

Exciter BPA FD

1 A

A

K sT +

RMAXV

RMINVSV

+

+ 1

E sT

E K

+

FDE

Exciter BPA FDWSCC Type D (ST2) Excitation System Model

1F

F

sK

sT +

FV 0

+

BV

E P T I T V K V jK I = +T

V

T I

( ) EX N F f I =C FD

N E

K I I

V =

FDI NI EXF

MAXEFD

+

EV If 0. and 0., 1.P I BK K V = = =

R V



V

T I

ERR V

RsT +11CV

REFV

+

3

4

1

2

t

R

F

1 - EField

2 - Sensed V

3 - V

4 - V

States


16/284

Exciter BPA FE

Exciter BPA FEWSCC Type E (DC3) Excitation System Model

ERR V RMAX RMIN

V RH

V V

sK T

RMAXV

RMINV

If ,If ,

If ,

ERR V R RMAX

ERR V R RH

ERR V R RMIN

V K V V V K V V

V K V V

=< = =

RHV

VK

VK

1 E sT

E E K S +

FDE+

R V



V

T I RsT +1

1CV

REFV

+

FEV

3

1

2

t

RH


2 - Sensed V

3 - V

States


17/284

Exciter BPA FF

11

C

B

sT sT

++

SV

+ 1

E sT

E E K S +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

+

FEV

R VEV

EXF

FDI

FDE

Exciter BPA FFWSCC T e F (AC2) Excitation S stem Model

1 A

A

K sT +

AMAXV

AMINV

1F

F

sK sT +

0

FV LV

LVGate

AV

+

RMINV

RMAXV

BK

LK

H K

+

LR VHV

NI



V

T I RsT +1

1CV

REFV

+

ERR V

+ 34

5

1

2

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States


18/284

Exciter BPA FG

1 A

A

K sT +

Exciter BPA FGWSCC Type G (AC4) Excitation System Model

11

C

B

sT sT

++


FDE+

IMIMV

IMAXV


V

T I RsT +1

1CV

REFV

+

VS

ERR V

RMIN C FD(V K I )

RMAX C FD(V K I )

+

3 1

2

t

LL


2 - Sensed V

3 - V

States


19/284

Exciter BPA FH

11

C

B

sT sT

++

SV+

1 E sT

E E K S +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

+

FEV

R VEV

EXF

FDI

Exciter BPA FHWSCC T e H (AC3) Excitation S stem Model

1 A

A

K sT +

AMAXV

AMINV

1 F

s

sT +

0

FV

+AV

RK

NI

HVGate

LV K

+

LVV

EFD

N V

F K

N K

FDN E


FDE


V

T I RsT +1

1CV

REFV

+

ERR V

34

5

1

2

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States


20/284

Exciter BPA FH

11

C

B

sT sT

++

SV+

1 E sT

E E K S +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

+

FEV

R VEV

EXF

FDI

Exciter BPA FHWSCC T e H Excitation S stem Model

1 A

A

K sT +

AMAXV

AMINV

1 F

s

sT +

EMINV

FV

+AV

RK

NI

EFD

N V

F K

N K

FDN E


FDE


V

T I RsT +1

1CV

REFV

+

ERR V

34

5

1

2

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States


21/284

Exciter BPA FJ

1

A

A

K

sT +

Exciter BPA FJWSCC Type J Excitation System Model

1

1

C

B

sT

sT

+

+


FDE

+

RMAXV

RMINV


V

T I RsT +1

1CV

REFV

+

SV

ERR V

T FDMAX C FD(V E K I )

+

1F

F

sK sT +

T FDMIN C FD(V E K I )

FV

3

4

1

2

t

LL

F


2 - Sensed V

3 - V

4 - V

States


22/284

Exciter BPA FK

1

A

A

K

sT +

Exciter BPA FKWSCC Type K (ST1) Excitation System Model

1

1

C

B

sT

sT

+

+


FDE

+


V

T I RsT +1

1CV

REFV

+

VS

ERR V

T RMAX C FD(V V K I )

+

1F

F

sK sT +

T RMIN C FD(V V K I )

IMIMV

IMAXV

FV

3

4

1

2

t

LL

F


2 - Sensed V

3 - V

4 - V

States


23/284

Exciter BPA FL

SV

REFV

++

++

FDE

Exciter BPA FLWSCC Type L (ST3) Excitation System Model

IMINV

IMAXV

J

1K

1C

B

sT sT

++

GV

AV

GK

1 A

A

K sT +

RMAXV

RMINV

R V

( )P E T I P L T V K V j K K X I = + +T V

T I


N E

K I I

V =

FDI NI EXF

EV

BV

FDMAXE

GMAXV

jP PK K e p =


V

T I RsT +1

1CV

REFV

+

ERR V


3 1

2

M

t

LL

1 - V

2 - Sensed V

3 - V

States


24/284

Exciter BPA FM through BPA FV

Exciter BPA FM through BPA FV

No block diagrams have been created


25/284

Exciter DC3A Exciter DC3A

IEEE 421.5 2005 DC3A Excitation S stem Model

1

E sT

EMINV

E K

R V

+

+

+

( ) X E V EFD S EFD=

RsT +11

REFV

+

ERR V RMAX RMIN

V RH

V V

sK T

RMAXV

RMINV

If ,

If ,If ,

ERR V R RMAX

ERR V R RH

ERR V R RMIN

V K V V

V K V V V K V V

=

< = =

RHV

VK

VK CE

XV


1

2 3

States

1 - E FD 2 Sensed V t 3 - V RH


26/284

Exciter DC4B

RsT +11

UEL(UEL=1)

V

REFV

++

FDE

Exciter DC4B IEEE 421.5 2005 DC4B Excitation S stem Model

1 A

A

K sT +

T RMAXV V

T RMINV V

1F

F

sK sT +

OEL(OEL=2)V

HV

Gate

LVGate

Alternate UEL Inputs

Alternate OEL InputsOEL

(OEL=1)V

+


Model supported by PSLF with optional speed multiplier

CE

UEL(UEL=2)

V

SV

1 I D

P D

K sK K s sT + + +

RMAX AV K

RMIN AV K

1

E sT

EMINV

E K

( ) X E E E V V S V =

R V

TV

+

+

+

FV

FD

t

R

1 - E

2 - Sensed V

3 - PID1

4 - PID2

5 - V

6 - Feedback

States

3 4

5

6

1

2

Speed

10 Spdmlt


27/284

Exciter ESAC1A

CE

RsT +11 1

1C

B

sT sT

++

REFV

+

+

1 E sT

E K

DK

( ) EX N F f I =

C FD N

E

K I I

V =

( ) X E E E V V S V =

+

+

++

+

FEV

R V

XV

EV

EXF

FDI

Exciter ESAC1A IEEE Type AC1A Excitation System Model

1 A

A

K sT +

AMAXV

RMINV

RMAXV

1F

F

sK sT +

0

UELV

HVGate

OELV

LVGate

FV



SV

AMINV

FDE3

4

5

12

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States

Speed

10

Spdmlt


28/284

Exciter ESAC2A

E

1sTR

11+sT

C

B

1+sT1+sT B

K

H K

F

F

sK 1+sT EK

X E E EV =V S (V ) EX NF =f(I )

DK

C FD N

E

K II =

V

CE REFV

FV

++

AV

+

UELV OELVAMAXV

AMINV HV

R V

+

RMINV

RMAXV

0

EV

FEMAX D FD

E E E

V -K IK +S (V )

FDE

EXF

XV NI

FEV

+

+

+

+

FDI




A

A

K 1+sT

SV

34

5

1

2

HVGate

LVGate

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States

Speed

10

Spdmlt


29/284

Exciter ESAC3A

CE

RsT +11 1

1C

B

sT sT

++ 1

A

A

K sT +

AMAXV

AMINV

1 F

ssT +

FEMAX D FD

E E E

V -K IK +S (V )

EMINV

REFV

SV

UELV

HVGate

+

+

FV

1

E sT

RK

E K

DK

( ) EX N F f I =

C FD N

E

K I I

V =

( ) X E E E V V S V =

+

+

+

++

+

FEV

AV R V

XV

EV

EXF

FDI

FDE

EFD

N V

F K

N K

NV



CV

NI


3

4

5

1

2

E

t

A

LL

F

1 - V

2 - Sensed V

3 - V

4 - V

5 - V

States

Speed

10

Spdmlt


30/284

Exciter ESAC4A

CE RsT +1

1 11

C

B

sT sT

++ 1

A

A

K sT +

RMAX C IFDV -K I

RMINV

REFV

SV

UELV

HVGate

+

+

FDE


IMINV

IMAXV

IV

FD

Model supported by PSLF and PSSE

PSSE uses nonwindup limit on E

3 12

t

LL


2 - Sensed V

3 - V

States


31/284

Exciter ESAC5A

CE

RsT +11

1 A

A

K sT +

RMAXV

RMINV 0

REFV

SV

+

+

1 E sT

E K

( ) X E E E V V S V =

+

+

+

XV

FDE

F2 F3If T =0, then sT =0.


( )( )( )

3

1 2

1

1 1F F

F F

sK sT

sT sT

++ +


3

4 5

12

t

R

1 - EField

2 - Sensed V

3 - V

4 - Feedback 1

5 - Feedback 2

States


32/284

Exciter ESAC6A

CE

RsT +11 1

1C

B

sT sT

++

REFV

SV

UELV

+

+

AV

1

E sT

E K

DK

( ) EX N F f I =

C FD N

E

K I I

V =

( ) X E E E V V S V =

+

+

+

++

+

FEV

R V

XV

EV

EXF

FDI

FDE


( )11

A K

A

K sT

sT

++

AMAXV

AMINV T R MINV V

T RMAXV V

H K 11

J

H

sT sT

++

HMAXV

0

0HV

+FELIMV

+

CV



NI

3 4

5

12

E

t

A

LL

F

1 - V

2 - Sensed V

3 - T Block

4 - V

5 - V

States

Speed

10

Spdmlt


33/284

Exciter ESAC8B_GE

RsT +11

1 A

A

K sT +

RMAXV

RMINV

REFV

SV

+

+

+

Exciter ESAC8B_GE IEEE Type AC8B with Added Speed Multiplier.

R V

+

+

+

IRK

s

PRK

1 DR

DR

sK sT +

TMULT RMAX T RMAX RMIN T RMIN

Model supported by PSLF

If V 0, V V V and V V V = =

COMPV

1

E sT

( ) E E E K S V +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

EXF

FDI

FDE

NI

FEV

52

E

t

R

1 - V

2 - Sensed V

3 - PID 1

4 - PID 2

5 - V

States

31

4

FEMAX D FD

E E E

V -K IK +S (V )

EMINV

Speed

10

Spdmlt


34/284

Exciter ESAC8B_PTI

RsT +11

1 A

A

K sT +

RMAXV

RMINV 0

REFV

SV

+

+

1 E sT

E K


+

+

+

XV

FDE

Exciter ESAC8B_PTI

R V

+

+

+

IRK

s

PRK

1 DR

D

sK sT +


CV

3

4 5 12

FD

t

R

1 - E

2 - Sensed V

3 - Derivative Controller

4 - Integral Controller

5 - V

States


35/284

Exciter ESDC1A

CE

RsT +11 1

A

A

K sT +

RMAXV

0

REFV

SV

+

+

1 E sT

E K


+

+

+

XV

FDE

Exciter ESDC1A IEEE T e DC1A Excitation S stem Model

R V

11F

F

sK

sT +

11

C

B

sT sT

++CV

UELV

HVGate

FV FEV


Model supported by PSLF includes spdmlt, exclim, and UEL inputs that are read but not utilized in the Simulator implementation

RMINV

3

4

5

12

FD

t

R

F

1 - E

2 - Sensed V

3 - V

4 - V

5 - Lead-Lag

States


36/284

Exciter ESDC2A

RsT +11

1 A

A

K sT +

T RMAXV VREFV

SV

+

+

1 E sT

E K


+

+

+

XV

FDE

Exciter ESDC2A IEEE T e DC2A Excitation S stem Model

R V

11F

F

sK

sT +

11

C

B

sT sT

++CV

HVGate


Model supported by PSLF includes spdmlt, exclim, and UEL inputs that are read but not utilized in Simulator

CEUELV

FV

T RMINV V

FEV

3

4

5

12

FD

t

R

F

1 - E

2 - Sensed V

3 - V

4 - V

5 - Lead-Lag

States


37/284

Exciter ESDC3A

Exciter ESDC3A IEEE Type DC3A with Added Speed Multiplier

ERR V RMAX RMIN

V RH

V V

sK T

RMAXV

RMINV

If ,

If ,

Else

ERR V R RMAX

ERR V R RMIN

R RH

V K V V

V K V V

V V

= ==

RHVVK

VK

1 E E K sT +

FDE+

R V


RsT +11CV

REFV

+

( ) X E V EFD S EFD= XV Speed

10

Spdmlt

t

RH

1 - EField

2 - Sensed V

3 - V

States

31

2

If exclim 0 then 0 else unlimited


38/284

Exciter ESST1A

RsT +11

S(VOS=1)

V

REFV

+

+

+

AV FDE

Exciter ESST1A IEEE T e ST1A Excitation S stem Model

1 A

A

K sT +

AMAXV

AMINV

1F

F

sK sT +

0

HVGate

IMINV

IMAXV

( )( )( )( )1

1

1 1

1 1C C

B B

sT sT

sT sT

+ ++ + HVGate

OELV

LVGateIV

T RM INV V

T RMAX C FDV V -K I

LRK FDI

LR I

AlternateStabilizer

Inputs

AlternateUEL Inputs

+

+

+


CE

FV

3 4

5

12

S(VOS=2)

V

UEL(UEL=1)V UEL(UEL=3)V

UEL(UEL=2)

V

A

t

1 - V

2 - Sensed V

3 - LL

4 - LL1

5 - Feedback

States


39/284

Exciter ESST2A

RsT +11

1 A

A

K sT +

RMAXV

RMINV

REFV

SV

+

+

1 E sT

E K

+

FDE

Exciter ESST2A IEEE Type ST2A Excitation System Model

1F

F

sK

sT +

UELV

HVGate

FV 0

BV

E P T I T V K V jK I = +T

V

T I


N E

K I I

V =

FDI NI EXF

MAXEFD

EV If 0 and 0, 1P I BK K V = = =


Model supported by PSLF includes UEL input that is read but not utilized in Simulator

CE

CV R V

11

C

B

sT sT

++

3

4

12

FD

t

R

F

1 - E

2 - Sensed V

3 - V

4 - V

States


40/284

Exciter ESST3A

RsT +11

SV

REFV

+

++

AV FDE

Exciter ESST3A IEEE Type ST3A Excitation System Model

1 A

A

K sT +

RMAXV

HVGate

IMINV

IMAXV

11

C

B

sT sT

++IV

GV

R V

GK

1 M

M

K sT +

MMAXV

MMINV

MV

( )P E T I P L T V K V j K K X I = + +T

V

T I


N E

K I I

V =

FDI NI EXF

EV

BVBMAXV


CE

UELV

GMAXV

RMINV

P jP PK K e

=

34 12

M

t

R

1 - V

2 - Sensed V

3 - V

4 - LL

States


41/284

Exciter ESST4B

RsT +11

SV

REFV

+

+ +

FDE

Exciter ESST4B IEEE Type ST4B Potential- or Compound-Source Controlled-Rectifier Exciter Model

1

1 AsT +

R V

GK

IM

PM

K

K s+

MMAXV

MMINV

( ) E P T I P L T V K V j K K X I = + +T

V

T I


N

E

K I I

V

=FDI NI EXF

EVBVBMAXV

RMAXV

RMINV OELV

LV

Gate IR

PR

K

K s+

+

GMAX


Model supported by PSLF includes V input that is read but not utilized in Simulator

UELV

P jP PK K e

=

COMPV

34 12

M

t

A

R

1 - V

2 - Sensed V

3 - V

4 - V

States


42/284

Exciter EWTGFC

Exciter EWTGFC Excitation Control Model for Full Converter GE Wind-Turbine Generators


+ 1

1 FV sT +

RFQV

11 PsT +

elecP

1

N f

1PV

V

K sT +

+

RsT +1

1

IV K s

MINQ

MAXQ

tanFAREFP

REFQ

1

1

0

Reactive Power Control Model

MINQ

MAXQ

varflg

genQ

QI K

s

MINV

+

REFVVI K s

QMAXI

QMINI

QCMDI

CV

3

4

5

1

2

ref

qppcmd

PV

regMeas

IV

ORD

Meas

1 - V

2 - E

3 - K

4 - V

5 - K

6 - Q

7 - P

States

6

7 MAXV

TERMV

+

elecP

dbr K

1s

PMAXI

++

TERMV

PCMDI

+

pfaflg

REFQ

01

ORDP

Converter Current Limit pqflag

+

dbr P

0

1

0 BSTE


43/284

Exciter EX2000

RsT +11 IAPA K K s+

AMAXV

AMINV

1F K

EMAXV

EMINV

+

FV

1

E sT

PK ETRM

E K

DK

( ) EX E F f I =

C FD N

E

K I I

V =

( ) X E E E V V S V =

+

+

+

++

+

FEV

AV

XV

EV

EXF

FDI

Exciter EX2000 IEEE Type AC7B Alternator-Rectifier Excitation System Model

MinimumGate 1

IRPR

K K

s+

RMAXV

RMINV L FEK V

ReferenceSignal

Field CurrentLimiter

2F K ++


EMAX

FEMAX D FDEMAX

E E E

If field current limiter is included, V is off.V -K I

If field current limiter is excluded, V =K +S (V )

CE

FDE

REF 34

12

1st PI Controller 2nd PI Controller

E

t

API

RPI

PI

1 - V

2 - Sensed V

3 - V

4 - V

5 - LL

6 - IFD

States


44/284

Exciter EX2000 REFERENCE SIGNAL MODEL

REF

Exciter EX2000 Reference Signal Model

MinimumGate 2

KRCCSBASE

Machine MVA BASEELECQ

1ETERM

KVHZ

REFV

UELV

STBV

+++

LIMPREF

Frequency

ReactiveCurrent

Reference Signal Model



45/284

Exciter EX2000 FIELD CURRENT LIMITER MODEL

KIIFDKPIFD

s+

REF2IFD

LIMNIFD

Exciter EX2000 Field Current Limiter Model

LevelDetector

LatchGate 1

LatchGate 2

OR

ADVLIM IFD11

LEAD

LAG

sT sT

++

Advance Limit

( 1, 1) I T

( 3, 3) I T

( 2, 2) I T

( 4, 4) I T

Inverse Timing

A

B

C

D

A

B

C

D

LIMPIFD

REF3IFD

REF4IFD

REF1IFD

FDI

+

ToMinimum

Gate 1

Output =1 if level exceeded

Output =1 if timing expired

Switch OperationOutput D = B if C =0Output D = A if C=1

Field Current Limiter Model (Over Excitation Limiter)


3rd PI Controller

5

6


46/284

Exciter EXAC1

RsT +11 1

1C

B

sT sT

++

SVREFV

+

1 E sT

E E K S +

DK

( ) EX N F f I =

C FD N

E

K I I

V =

+

+

+

FEV

R VEV

EXF

FDI

FDE

Exciter EXAC1 IEEE Type AC1 Excitation System Model

1 A

A

K sT +

RMAXV

RMINV

1F

F

sK sT +

0

FV

+

+

CV

AMIN AMAX

AMIN RMIN RMIN AMIN

AMAX RMAX


Model supported by PSLF also uses V and V

Simulator will narrow the limit range as appropriate when loading the DYD file

If V V then V V

If V V the

> =

Block Diagrams1

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