Ziegler mfm 3480, User Manual

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Connections Quadrant
Power ( P )
Sign of
Active
Power ( Q )
Sign of
Reactive
Factor ( PF )
Sign of
Power
Inductive /
Capacitive
Import
1
+ P
+ Q +
L
Import
4
+ P
- Q
+
C
Export
2
- P
+ Q
-
C
Export
3
- P
- Q -
L
Inductive means Current lags Voltage
Capacitive means Current leads Voltage
12. Installation
Mounting is by four side clamps, slide the side
clamps through side slot till side clamp gets firmly
locked in a groove (Refer fig.) Consideration should
be given to the space required behind the
instrument to allow for bends in the connection cables.
SLIDE IN THIS DIRECTION
AND LOCK
PANEL
Meter
When the instrument displays Active power ( P )with “ + ” ( positive sign ) ,
the connection is “
Import ” .
When the instrument displays Active power ( P )with “ - ” ( negative sign ) ,
the connection is “
Export ” .
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