Atlas Copco SAPE, Инструкция по эксплуатации

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Display does not function. Connection between Pow-R-Con and dis-
play is faulty or absent. Connect correctly.
Measured and actual power do not match. CT ratio not entered correctly. Enter the correct CT ratio.
Connection between power control mod-
ule and contactor box is faulty. Connect the power control module and the
contactor correctly (see 5.1 Connecting
Generators and SAPE Units).
Circulating current is too high. Parallel device is not or faultily connected. Check the parallel device and the polarity.
Voltages of the generators are not
matched. Adjust the voltage on one or more genera-
tors until the circulating current is mini-
mal.
One generator supplies active power to
the other. Frequencies of the generators are not
matched. Adjust the frequency on a generator so that
the power is zero.
One of the connection cables is not con-
nected. Check all connections.
Generator runs in idle speed. Selector switch “Single/Parallel” is in
“Parallel” position, but the SAPE unit is
not connected. Put the switch in “Single” position if single
mode is needed.
Connect the SAPE unit if parallel mode is
needed.
Potentiometer for frequency adjustment
does not function. Selector switch “Single/Parallel” is in
wrong position. Put the switch in single mode if you want
to use the frequency adjustment potenti-
ometer on the control panel of the QAS.
Put the switch in parallel mode if you want
to use the frequency adjustment potenti-
ometer on the control panel of the SAPE
unit.