Multiquip CDA45SSIU3 Manual Do Utilizador

Página de 78
PAGE 18 — DCA45SSIU3 50 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #2 (12/19/08) 
GENERATOR CONTROL PANEL
Generator Control Panel
Figure 4. 
The defi nitions below describe the controls and functions 
of the DCA45SSIU3 Generator Control Panel (Figure 4).
Main Circuit Breaker
1. 
—This three-pole, 110A main 
breaker is provided to protect the the U,V, and W 
Output Terminal Lugs from overload.
Voltage Regulator Control 
2. 
— Allows ±15% manual 
adjustment of the generator’s output voltage.
Frequency Meter 
3. 
— Indicates the output frequency 
in hertz (Hz). Normally 50 Hz.
AC Ammeter 
4. 
— Indicates the amount of current the 
load is drawing from the generator per leg selected 
by the ammeter phase-selector switch.
AC Voltmeter 
5. 
— Indicates the output voltage present 
at the U,V, and W Output Terminal Lugs.
Ammeter Change-Over Switch 
6. 
— This switch allows 
the AC ammeter to indicate the current fl owing to the 
load connected to any phase of the output terminals, 
or to be switched off. This switch does not effect the 
generator output in any fashion, it is for current reading 
only.
Voltmeter Change-Over Switch 
7. 
— This switch allows 
the AC voltmeter to indicate phase to phase voltage 
between any two phases of the output terminals or to 
be switched off.
Located behind the generator control panel is the Generator 
Control Box. This box contains some of the necessary 
electronic components required to make the generator 
function.
The Control Box is equipped with the following major 
components:
Over-Current Relay
 
Automatic Voltage Regulator (AVR)
 
Starter Relay
 
Current Transformer
 
Voltage Selector Switch
 
Main Circuit Breaker
 
 NOTICE
Remember the overcurrent relay monitors the current 
fl owing from the U,V, and W Output Terminal Lugs 
to the load.
In the event of a short circuit or over current condition, 
it will automatically trip the 110 amp main breaker.
To restore power to the Output Terminal Panel, press 
the reset button on the overcurrent relay and place the 
main circuit breaker in the closed position (ON).