RFL Electronics RFL 9300 Manual De Instruccion página 54

CCD, OR WCM
FROM REMOTE
TERMINAL
A/D CONVERSION
AND CALCULATION OF 1/2
CYCLE CHARGE
(CORRIENTE > 0.5A,
PULSE WIDTH > 6 ms)
.
a Diagrama Lógico, disparo de alimentación fuerte para sistemas de dos terminales
VALIDATED CCD
FROM REMOTE
TERMINAL #1
VALIDATED WCM
FROM REMOTE
TERMINAL #2
A/D CONVERSION
AND CALCULATION OF
CONTROL CT
CORRIENTE TRANSIENT
1/2 CYCLE CHARGE
.
b Diagrama Lógico, disparo de alimentación fuerte para sistemas de tres terminales
Figura 2-3. Diagrama lógico, disparo de alimentación fuerte (para sistemas de 2 y 3 terminales)
RFL 9300
2 de noviembre de 2001
B e c a u s e R F L ™ a n d H u b b e l l ® h a v e a p o l i c y o f c o n t i n u o u s p r o d u c t i mp r o v e me n t , we r e s e r v e t h e r i g h t t o c h a n g e d e s i g n s a n d s p e c i fi c a t i o n s wi t h o u t n o t i c e .
AND
LOCAL
CCD
WORD
TRIP
NO
ENABLED
?
COMPOSITE
NO
FAULT DETECTOR
(See Figure 2-2)
AND
LOCAL CCD
WORD STORED
IN CHARGE
COMPARACIÓN
BUFFER
TRIP
NO
ENABLED
?
COMPOSITE
NO
FAULT DETECTOR
(See Figure 2-2)
CALCULATE SCALAR
SUM, ARITHMETIC SUM
YES
NEST
& % DIFERENCIAL
?
BIAS LEVEL
(SEE FIG. 2-4a)
NO
ARITHMETIC
SUM>BIAS
YES
YES
CALCULATE SCALAR
BOTH
SUM, ARITHMETIC SUM
YES
REMOTE
& % DIFERENCIAL
VALUES
BIAS LEVEL
NEST
(SEE FIG. 2-4b)
?
NO
ARITHMETIC
SUM>BIAS
YES
YES
2-15
NO
LEVEL
?
YES
TRIP
AND SEND
AND CCT-U TO
REMOTE
TERMINAL
NO
LEVEL
?
YES
TRIP
AND SEND
CCT-U TO
AND
REMOTE
TERMINAL
RFL Electronics Inc.
(973) 334-3100