10 MV Station Functions
System Manual
68
10.2
Complete Control Strategy
The following three control strategies are provided for user to perform control functions and
configure relevant parameters.
“
Remote”: The control codes can be sent only by the remote control machine.
“
Local”: The control codes can be sent only by the LCD screen.
“
Remote/Local”: Both “Remote” and “Local” codes are effective.
Proceed to set the control strategy on the LCD screen as follows:
Step 1
Tap “Function” from the default menu;
Step 2
Tap “Set-parameter”;
Step 3
Tap “Sys-parameter” after entering the correct password.
Step 4
Tap “Remote/Local control” and enter into the Remote/Local control sub-menu.
Step 5
Select the control method through the pull-down list.
10.3
Active Power Limitation
10.3.1
Introduction to Active Power Limitation
Situations, call for power limitation, are listed below:
Potential threatens to the MV Station safety operation
Over-load of the grid branch connected to the MV Station
Islanding
Factors affecting the stability of the stable grid status and dynamic grid status
Frequency rising affects the system stability
Grid maintenance
Grid management
10.3.2
How to Realize Power Limitation
Improper parameter configuration may affect the normal operation of the MV
Station!
Only authorized personnel can configure these parameters.
Should any question or doubt occurs, please contact Sungrow.
User can adjust the MV Station active power output through the LCD display:
