Atlas Copco SAPE, Instruction Manual

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The following features are available with the paralleling control
module:
– Measurement, Annunciation, and Control Setup
The paralleling control module is provided with an integral
Keypad/Display Panel.
Parameters are monitored, and setup performed by means of
this panel.
– Auto-Synchronizing
The paralleling control module incorporates automatic syn-
chronizing to match the frequency and phase of an incoming
generator to the frequency and phase of the bus or another gen-
erator. The synchronizer compares the incoming generator to
the frequency and phase to be matched and controls its speed
and phase to assure synchronization within a minimum of time.
– Isochronous Load Sharing
The object of isochronous load sharing is to proportionally di-
vide a common load between two or more generators in paral-
lel while maintaining a fixed frequency. This means that the
generators in the parallel connection will deliver equal percent-
ages of their full load capacity. This also implies that due to the
isochronous load sharing module and the proportional load
sharing, the generators that are connected in parallel do not
need to have the same rated output power.
The paralleling control module compares the load of its gener-
ator unit with the load applied to all other units in operation,
through the paralleling lines, and either decreases or increases
the engine fuel to maintain its proportional share of the total
load.
– Load Commanding/Blending
Blending loads with the paralleling control module allows for
soft loading, unloading and power setting of the controlled
generator.
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This lamp lights when the circuit breaker/contactor of the
SAPE is closed.
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Allows to adjust the frequency of the output voltage.
BREAKER
CLOSED
BREAKER /
CONTACTOR
CLOSE ENABLE
BREAKER /
CONTACTOR
CLOSE
BLEND
ILS COMMAND
UNLOAD LOAD
BREAKER /
CONTACTOR
OPEN
FREQUENCY
ADJUST
H19
S18
S20
R1
N14
S6
S5
S22
S19
K20
X31
X30
X33
X32
X32
T4
T5
See the instruction manual of the Pow-R-Con for
details.