Datasheet

COOLCEPT / COOLCEPT-X / COOLCEPT³ / COOLCEPT³-X / COOLCEPT FLEX
coolcept³-x
StecaGrid 3203x, StecaGrid 4003x, StecaGrid 4803x,
StecaGrid 5503x
Inverter topology
The coolcept inverter topology was first implemented in the single-
phase StecaGrid. It achieved optimum efficiency ratings thanks to the
innovative switching concept. The three-phase coolcept³-x inverters
also benefit from the advantages of this switching concept. The three-
phase topology is fully reactive current capable and therefore set up
to meet demands that may be made in future as well.
Always symmetrical
The advantage of three-phase feeding is that the produced solar
capacity is always symmetrically distributed on all three power
conductors to the public power grid. This is the case across the whole
output range offered by these inverters. The symmetrical feed-in is
very much in the interests of the power supply companies, and is also
compatible with domestic three-phase consumption.
Highest efficiency with longer service life
The high efficiency results in a peak efficiency of 98.6 %, which
means that less power is lost that must be dissipated into the
environment. This improves your yields.
___As at least two phases of a three-phase feed-in design feed energy
into the grid, it is not necessary to provide for intermediate energy
storage in the device, as must be done in the case of single-phase
feed-in. For this reason, the coolcept³-x inverters dispense completely
with the electrolytic capacitors that are required for intermediate
storage. These capacitors may influence the service life of electronic
devices as they may dry out. Therefore by using coolcept³-x inverters,
plant operators may expect to benefit from their long service lives.
___In addition to this, a new and unique cooling concept inside the
inverter ensures an even distribution of the dissipated heat and a
long service life for the device.
Product design and visualisation
The StecaGrid has a graphical LCD display for visualising the energy
yield values, current performance and operating parameters of the
system. Its innovative menu allows individual selection of the various
measurements. The guided, pre-programmed menu allows easy final
commissioning of the device.
Installation
The lightweights with only 12 kg can be easily and safely mounted on
a wall. The supplied wall bracket make mounting of the device simple
and convenient. The device does not need to be opened for
installation. All connections and the DC circuit breaker are externally
accessible. For making DC connections, Sunclix mating connectors are
included in the scope of supply.
___The devices meet all the standards for the IP65 protection class. Its
robust stainless steel housing provides reliable protection against
dust and water, including jet water. This enables problem-free
installation of the inverters outdoors.
Product features
Highest efficiency
Three-phase, symmetrical grid feeding
Simple installation
Integrated data logger
Low housing temperature at full load
Solid stainless steel casing
Suitable for outdoor installation
Integrated DC circuit breaker
Very long service life
Droop Mode for integration in hybrid systems
Fixed voltage mode for other energy sources
Up to 7-year free warranty after registration
Optimised shadow management using global MPP tracking
Displays
Multifunction graphical LCD display with backlighting
Animated representation of yield
Operation
Simple menu-driven operation
Multilingual menu navigation
Version 2018-03-23 13:49 Steca Elektronik GmbH | Mammostraße 1 | 87700 Memmingen | Germany | [e-mail] | www.steca.de