SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd.
SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd. SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd.
Connecting External Sources SMA Solar Technology AG Load-Dependent Start In case increased energy demands arise, the generator can be requested for support. This function can be switched on or off (default) using the "235.09 GnPwrEna" parameter. The function is only effective if the "235.01 GnAutoEna" parameter is simultaneously set to On. The load limit for the request and the generator stop is configured using the "235.10 GnPwrStr" and "235.11 GnPwrStp" parameters. The average time by which an average value for the consumer power is calculated can be set using "235.12 GnPwrAvgTm". This prevents temporary power consumption peaks of a few seconds from causing a power-dependent generator start. If the generator has been started due to the load, it runs according to the minimum generator run time. If, once this time has expired, the average power is below the cutoff limit, the generator is stopped again. Multi-phase System Only the total consumer power of all phases is monitored. Individual phases in a multiphase system are not monitored. The consumer power is calculated using the inverter power ("111.01 TotInvPwrAt" parameter) and generator power ("131.01 TotExtPwrAt" parameter). The following process diagrams provide an overview of the start/stop behavior of the Sunny Island during automatic generator operation: Generator Interface "234.07 GnStrMod" = Manual; Generator Request Via Sunny Island 1 Generator is requested via Sunny Island 2 Manual generator start 3 "Generator is running" detected, beginning of warm up phase 4 Warm-up phase is completed, connection 5 Generator current limit 6 Minimum run time has expired 7 Current is reduced, battery absorption phase 8 Charging process is completed, request signal is disabled 9 Manual generator stop 10 Generator is disconnected 11 Stop time has expired 116 SI5048-TB-TEN110340 Technical Description
SMA Solar Technology AG Connecting External Sources Generator Interface "234.07 GnStrMod" = Autostart; Generator Request Via Sunny Island 1 Generator started by Sunny Island 2 Generator start 3 Beginning of warm up time 4 Warm-up time has expired 5 Generator is connected 6 Current limit 7 Minimum running time is expired 8 Current is reduced, battery absorption phase 9 Charging process is completed, generator disconnection 10 Generator follow-up time expired, generator disconnection 11 Stop time has expired Generator Interface "234.07 GnStrMod" = GenMan; Generator Request Via Sunny Island 1 Generator start by Sunny Island using GenMan 2 Generator start by GenMan 3 Beginning of GenMan warm up time 4 GenMan warm-up time has expired, connection signaled by GenMan at Sunny Island 5 Sunny Island connects generator 6 Current limit 7 Minimum run time (Sunny Island) has expired 8 Current is reduced, battery absorption phase 9 Charge process complete, generator disconnected by Sunny Island 10 Signal at GenMan 11 GenMan follow-up time has expired, generator stopped 12 Stop time has expired Power-Dependent Generator Start Warm up times, minimum run times and follow-up times are also maintained for power dependent generator starts. Technical Description SI5048-TB-TEN110340 117
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Connecting External Sources SMA Solar Technology AG<br />
Load-Dependent Start<br />
In case increased energy demands arise, the generator can be requested for support. This function<br />
can be switched on or off (default) using the "235.09 GnPwrEna" parameter. The function is only<br />
effective if the "235.01 GnAutoEna" parameter is simultaneously set to On.<br />
The load limit for the request and the generator stop is configured using the "235.10 GnPwrStr" and<br />
"235.11 GnPwrStp" parameters. The average time by which an average value for the consumer<br />
power is calculated can be set using "235.12 GnPwrAvgTm". This prevents temporary power<br />
consumption peaks of a few seconds from causing a power-dependent generator start.<br />
If the generator has been started due to the load, it runs according to the minimum generator run time.<br />
If, once this time has expired, the average power is below the cutoff limit, the generator is stopped<br />
again.<br />
Multi-phase System<br />
Only the total consumer power of all phases is monitored. Individual phases in a multiphase<br />
system are not monitored.<br />
The consumer power is calculated using the inverter power ("111.01 TotInvPwrAt"<br />
parameter) and generator power ("131.01 TotExtPwrAt" parameter).<br />
The following process diagrams provide an overview of the start/stop behavior of the <strong>Sun</strong>ny Island<br />
during automatic generator operation:<br />
Generator Interface "234.07 GnStrMod" = Manual; Generator Request Via<br />
<strong>Sun</strong>ny Island<br />
1 Generator is requested via <strong>Sun</strong>ny Island<br />
2 Manual generator start<br />
3 "Generator is running" detected, beginning of warm up phase<br />
4 Warm-up phase is completed, connection<br />
5 Generator current limit<br />
6 Minimum run time has expired<br />
7 Current is reduced, battery absorption phase<br />
8 Charging process is completed, request signal is disabled<br />
9 Manual generator stop<br />
10 Generator is disconnected<br />
11 Stop time has expired<br />
116 SI<strong>5048</strong>-TB-TEN110340 <strong>Technical</strong> <strong>Description</strong>