Working Mode Description; Protection - Smartgen HMC6 User Manual

7.2 WORKING MODE DESCRIPTION

Working
Mode
After SG closing, all loads will be transferred to
Load
SG side, DG opens and stops;
Receiving
When SG opens, all loads will be transferred to
Mode
DG side, SG opens and stops.
After SG closing, SG shares with parts of loads,
Fixed Power DG shares the rest of power;
Mode When SG opens, all load will be transferred to DG
side, SG opens and stops.
After SG closing, loads will be shared by SG and
Load
DG;
Sharing
When SG opens, all loads will be transferred to
Mode
DG side, SG opens and stops.
Note: When in SG mode, outputs of GOV and AVR should be set as "none" if SG can not achive speed
governing.
8.

PROTECTION

Generator protection, busbar protection, current protection, power protection and switch protection can be
provided by HMC6. Each kind of protection can configure one or more relays output.
Alarm Type/Action
Block
Warn
Safety Trip
Safety Stop
Trip
Trip and Stop
Each alarm can be removed only when it is acknowledged and all alarm information will be cleared
automatically if the data is beyond the alarm scope after acknowledged. Users also can remove the alarm by
"Alarm Reset" auxiliary input port.
HMC6 Power Management Controller User Manual
Description
Table 8 – Controller Alarm types
Buzzer Display
● ●
● ●
● ●
● ●
● ●
● ●
Table 7– Working Mode
Unload
Х Х
Х Х
● ●
● ●
Х ●
Х
●
Auto Semi-auto
Mode Mode
● ●
● ●
● ●
Trip Shutdown
Х
Х
Х
●
Х
●
Manual
Mode
Х
Х
Х
Start
Х
●
Х
Х
Х
Х
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