coolcept³
StecaGrid 3203, StecaGrid 4003, StecaGrid 5003, StecaGrid 6003
- Three-phase grid inverter
- Highest efficiency at all input voltages
- Free Steca web portal via Ethernet interface
coolcept³StecaGrid 3203, StecaGrid 4003, StecaGrid 5003, StecaGrid 6003DescriptionFeaturesDownloadsTechnical data Compare productsDescription
Inverter topology
The coolcept inverter topology was first implemented in the singlephase StecaGrid. It achieved optimum efficiency ratings thanks to the innovative switching concept. The three-phase coolcept3 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 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 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 10 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.
Features
Product features
- Highest efficiency
- Three-phase, symmetrical grid feeding
- Simple installation
- Integrated data logger
- Low housing temperature at full load
- Lowest possible own consumption
- Integrated DC circuit breaker
- Protective insulation according to protection class II
- 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 LC display with backlighting
- Animated representation of yield
Operation
- Simple menu-driven operation
- Multilingual menu navigation
Downloads
Certificates
- coolcept³ certificate EN - AR-N-4105 F3 · pdf · 0.124 MB
- coolcept³ certificate EN - AR-N-4105 F4 · pdf · 0.023 MB
- coolcept³ certificate EN - AR-N-4105 G2 · pdf · 0.267 MB
- coolcept³ certificate EN - AR-N-4105 G3 · pdf · 0.313 MB
- coolcept³ certificate EU - EN 50438 · pdf · 0.225 MB
- coolcept³ certificate FR - Déclaration du Fabricant · pdf · 0.253 MB
- coolcept³ certificate IE - CER-06-190 · pdf · 1.067 MB
- coolcept³ certificate IEC 62109 · pdf · 0.302 MB
- coolcept³ certificate PL – EN 50438 · pdf · 0.213 MB
- coolcept³ certificate S - Anmälan · pdf · 0.619 MB
Commercial guarantee extension
Product data sheet
Manuals
Technical data
| StecaGrid 3203 | StecaGrid 4003 | StecaGrid 5003 | StecaGrid 6003 | |
|---|---|---|---|---|
| DC input side (PV generator) | ||||
| Maximum input voltage | 1000 V | |||
| Operating input voltage range | 250 V … 800 V | |||
| Number of MPP tracker | 1 | |||
| Maximum input current | 11.0 A | |||
| Maximum short circuit current | +20 A / -13 A | |||
| Maximum input power at maximum active output power | 3300 W | 4100 W | 5110 W | 6130 W |
| AC output side (Grid connection) | ||||
| Grid voltage | 320 V … 480 V (depending on regional settings) | |||
| Rated grid voltage | 400 V | |||
| Maximum output current | 7.0 A | 7.0 A | 10.0 A | 10.0 A |
| Maximum active power (cos phi = 1) | 3200 W | 4000 W | 5000 W | 6000 W |
| Maximum active power (cos phi = 0.95) | 3040 W | 3800 W | 4750 W | 5700 W |
| Maximum active power (cos phi = 0.9) | 2880 W | 3600 W | 4500 W | 5400 W |
| Maximum apparent power (cos phi = 0.95) | 3200 VA | 4000 VA | 5000 VA | 6000 VA |
| Maximum apparent power (cos phi = 0.9) | 3200 VA | 4000 VA | 5000 VA | 6000 VA |
| Rated power | 3200 W | 4000 W | 5000 W | 6000 W |
| Rated frequency | 50 Hz and 60 Hz | |||
| Frequency | 45 Hz … 65 Hz (depending on regional settings) | |||
| Night-time power loss | < 3 W | |||
| Feeding phases | three-phase | |||
| Total harmonic distortion (cos phi = 1) | < 1 % | |||
| Power factor cos phi | 0.8 capacitive … 0.8 inductive | |||
| Characterisation of the operating performance | ||||
| Max. efficiency | 98.6 % | 98.6 % | 98.7 % | 98.7 % |
| European efficiency | 97.9 % | 98.1 % | 98.2 % | 98.3 % |
| Californian efficiency | 98.3 % | 98.4 % | 98.5 % | 98.5 % |
| MPP efficiency | > 99.8 % (static), > 99 % (dynamic) | |||
| Own consumption | < 8 W | |||
| Power derating at full power from | 50 °C (Tamb) | 50 °C (Tamb) | 50 °C (Tamb) | 45 °C (Tamb) |
| Safety | ||||
| Isolation principle | no galvanic isolation, transformerless | |||
| Grid monitoring | yes, integrated | |||
| Residual current monitoring | yes, integrated (The design of the inverter prevents it from causing DC leakage current) | |||
| Operating conditions | ||||
| Area of application | indoor rooms with or without air conditioning | |||
| Climate protection class as per IEC 60721-3-4 | 3K3 | |||
| Ambient temperature | -15 °C … +60 °C | |||
| Storage temperature | -30 °C … +70 °C | |||
| Relative humidity | 0 % … 95 %, non-condensating | |||
| Noise emission (typical) | 29 dBA | |||
| Fitting and construction | ||||
| Degree of protection | IP 21 (casing: IP 51; display: IP 21) | |||
| Overvoltage category | III (AC), II (DC) | |||
| DC Input side connection | Phoenix Contact SUNCLIX (2 pairs: 1x PV, 1x battery); mating connector (1 pair) included | |||
| AC output side connection | Wieland RST25i5 plug, mating connector included | |||
| Dimensions (X x Y x Z) | 340 x 608 x 222 mm | |||
| Weight | 10.0 kg | |||
| Communication interface | RS-485 (2 x RJ45 sockets; connectable to Meteocontrol WEB‘log or Solar-Log™), Ethernet interface (1 x RJ45) | |||
| Integrated DC circuit breaker | yes, compliant with VDE 0100-712 | |||
| Cooling principle | temperature controlled fan, variable speed, internal (dustproof) | |||
| Test certificate | see certificate download on the product page | |||