Studer Innotec SA
next3
78 V 1.3 © Studer-Innotec SA next3 Tech manual
o There is only one AC-load in a system: in multi-units all the AC-loads output must be
electrically connected. All next3 work together to create a single voltage (distribution
panel).
• The choice to operate AC-FLEX as a connection for a genset as source or for controllable
loads is done at first configuration and cannot be changed (like for the AC Source).
o Similar to the AC-source, there can only be one AC-Flex as source used in a system.
o In case it is used as source, the priority can be chosen with a system setting: first one
valid that comes in, AC-source or AC-flex.
o In multi-unit systems the AC-flex connections must not be wired in parallel. The
programming of the AC-flex as load are independent for each next3 (slide left and
right on the screen to access each individually). The programming is done for each
phase L1, L2 and L3 independently. That means for a multi-unit system with 3 next3,
there can be up to 9 single phase controllable loads used.
8.1.1
Understand the General Energy Strategy
The next3 is a renewable energy friendly converter and always try to
optimize the solar in the system. The energy management between
all the converters and components of the energy system is done by
the Power Flow Dispatcher algorithm. This is at the core of the next
system.
Studer simplified the use of its product to be transparent to most of the
end -user. Four standard energy strategies are available and can be
selected during the configuration process in the wizard with only two
questions to answer:
• is grid feeding allowed? This question is asked only if you have
selected “grid” as connection to AC-source. If you selected
“genset”, the grid feeding is forbidden.
• Is battery used for solar self-consumption optimization? That means the battery is used daily
as energy buffer. Solar energy recharges the battery and is used during the night.
To Next Page
Loading...
Need help?
General