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/PERATING INSTRUCTIONS
6%
6
# ' #
.O OFF CONTROL RANGE IS PRESENT DURING OVERSYNCHRO
NOUS OPERATION WHEN THE PERMISSIBLE FREQUENCY DIF
FERENCE FOR OVERSYNCHRONOUS SWITCHING ADDRESS
IS SET TO IE IN THIS CASE THE MACHINE IS FIRST
CONTROLLED UNTIL IT RUNS SUBSYNCHRONOUS #ORRE
SPONDINGLY NO SUBSYNCHRONOUS OFF CONTROL RANGE
IS PRESENT WHEN ADDRESS IS SET TO
)N THE CASE OF OVERSYNCHRONOUS OPERATION THE UPPER
LIMIT OF THE OFF CONTROL RANGE /3 $%, F
MAX
ADDRESS
IS SET SOMEWHAT LOWER EG (Z THAN THE
PERMISSIBLE FREQUENCY DIFFERENCE
F WITH F F AD
DRESS )F OVERSYNCHRONOUS SWITCHING IS NOT
PERMITTED ADDRESS SET TO (Z THE LIMITS OF THE
OFF CONTROL RANGE FOR OVERSYNCHRONOUS OPERATION
ADDRESSES AND HAVE NO SIGNIFICANCE
4HE FREQUENCY BALANCER THEN CONTROLS INTO THE SUB
SYNCHRONOUS RANGE IN THE CASE OF OVERSYNCHRONOUS
OPERATION
)N THE CASE OF SUBSYNCHRONOUS OPERATION THE UPPER
LIMIT OF THE OFF CONTROL RANGE 33 $%, F
MAX
ADDRESS
IS SET SOMEWHAT LOWER EG (Z THAN THE
PERMISSIBLE FREQUENCY DIFFERENCE
F WITH F F AD
DRESS )F SUBSYNCHRONOUS SWITCHING IS NOT PER
MITTED ADDRESS SET TO (Z THE LIMITS OF THE
OFF CONTROL RANGE FOR SUBSYNCHRONOUS OPERATION
ADDRESSES AND HAVE NO SIGNIFICANCE
4HE FREQUENCY BALANCER THEN CONTROLS INTO THE OVER
SYNCHRONOUS RANGE IN THE CASE OF SUBSYNCHRONOUS
OPERATION
)F NEITHER OVERSYNCHRONOUS NOR SUBSYNCHRONOUS
SWITCHING IS PERMITTED IE WHEN BOTH FREQUENCY DIF
FERENCE LIMIT VALUES IN ADDRESSES AND ARE
SET TO (Z THE FREQUENCY DIFFERENCE WILL BE REGU
LATED TO 4HE DEVICE CAN THEN ONLY GIVE A CLOSE
COMMAND UNDER THE CONDITIONS FOR SYNCHRONOUS
SWITCHING
/ 3
$ % ,
F M A X
( Z
&REQUENCY BALANCING
UPPER LIMIT OF THE OFF CONTROL
RANGE FOR OVERSYNCHRONOUS OPERATION F
F
3ETTING RANGE
(Z TO
(Z
/ 3
$ % ,
F M I N
( Z
&REQUENCY BALANCING
LOWER LIMIT OF THE OFF CONTROL
RANGE FOR OVERSYNCHRONOUS OPERATION F
F
3ETTING RANGE
(Z TO
(Z
3 3
$ % ,
F M A X
( Z
&REQUENCY BALANCING
UPPER LIMIT OF THE OFF CONTROL
RANGE FOR SUBSYNCHRONOUS OPERATION F
F
3ETTING RANGE
(Z TO
(Z
3 3
$ % ,
F M I N
( Z
&REQUENCY BALANCING
LOWER LIMIT OF THE OFF CONTROL
RANGE FOR SUBSYNCHRONOUS OPERATION F
F
3ETTING RANGE
(Z TO
(Z
4HE CONTROL DURATION FACTORS AND THE PAUSE DURATION
FACTORS ARE SET IN ADDRESSES TO TO ADAPT
THE CONTROL COMMANDS TO THE CHARACTERISTIC OF THE
SPEED REGULATOR 4HIS IS CARRIED OUT SEPARATELY FOR
OVERSYNCHRONOUS AND SUBSYNCHRONOUS OPERATION
7HEN THE CONTROL DURATION FACTORS 33 +C ADDRESS
AND /3 +C ADDRESS ARE SET TO BAL
ANCING IS NOT POSSIBLE 4HIS SETTING IS USED ONLY IN THE
STATUS MODE AS DESCRIBED IN 3ECTION
4HE CONTROL DURATION FOR SUBSYNCHRONOUS OPERATION
IS SET IN ADDRESS 4HE CONTROL DIRECTION DE
PENDS ON THE ACTUAL FREQUENCY DIFFERENCE
F OUTSIDE
THE OFF CONTROL RANGE FOR SUBSYNCHRONOUS OPERA
TION ADDRESSES AND 4HE RELATIONSHIP
BETWEEN THE CONTROL DURATION C AND THE DURA
TION OF THE CONTROL COMMAND TC DEPENDING ON THE AC
TUAL FREQUENCY DIFFERENCE
F CAN BE SEEN IN &IGURE
Содержание 7VE51
Страница 79: ... PPENDIX 6 6 PPENDIX ENERAL DIAGRAMS ONNECTION DIAGRAMS 4ABLES ...
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