4 setting the deactivation delay – SMA WB 3000-21 Installation User Manual
Page 51

SMA Solar Technology AG
8 Configuration
Installation Manual
WB3-5TL-21-IA-en-10
51
Adjusting calculated values for polynomial curve with Sunny Explorer
1. Log in to Sunny Explorer as Installer (see Sunny Explorer help).
2. Select the parameter Constant deviation of power calculation and set the noted values for
parameter Wind_a0.
3. Select the parameter Coefficient of power calculation based on Udc and set the noted
values for parameter Wind_a1.
4. Select the parameter Coefficient of power calculation based on Udc^2 and set the noted
values for the parameter Wind_a2.
5. Select the parameter Coefficient of power calculation based on Udc^3 and set the noted
values for the parameter Wind_a3.
6. Save setting.
8.4 Setting the Deactivation Delay
The deactivation delay is the amount of time that must pass from the moment the DC feed-in conditions
are no longer met until the moment the inverter disconnects itself from the power distribution grid.
Requirement:
☐ A communication product that is appropriate for the type of communication used must be
available.
1. Select the parameter Deactivation delay or T-Stop and set the desired value.
2. Save setting.