Chapter 2 - Safety Instructions
UNITROL 1020 User Manual 3BHS335648 E82 7
Danger from live equipment inside the excitation system, if the
protective covers are removed.
Hazardous voltage from the rotor field winding and the secondary
side of the excitation transformer.
Capacitors may still be charged if a power converter cubicle door is
opened immediately after stopping the system.
Danger from main and auxiliary voltages in cubicles when cubicle
doors are open.
Attention must be paid when installing / replacing the UNITROL 1020.
The unit has large capacitors, which might be charged even after
disconnecting the unit.
An orange blinking LED warns the user in case the internal voltage
exceeds 30 V dc. Depending on the size of the capacitor, discharging
can take a couple of minutes. Do not connect or disconnect the unit
when the LED is still blinking. There is the risk of electric shock.
To Next Page
Loading...
