Domestic Solar Inverter
A solar inverter is an important part of a home solar system. It converts the direct current (DC) stored in batteries into alternating current (AC) that can be used by household appliances. Most homes use AC power, although solar panels and small wind turbines often produce DC power. This is why inverters are an integral part of off-grid and grid-connected solar systems.
Uses and Benefits of Solar Inverters
In the absence of a backup grid, battery-based inverters can meet less demanding requirements.
However, if there is an accessible grid, a system with a hybrid inverter can take advantage of it, and has the added benefit of storing power with batteries when the sun is not shining.
If the roof is heavily shaded, a microinverter system is a good choice because it has an inverter on each photovoltaic (PV) module and each module is managed separately to provide excellent efficiency and high throughput.
Specification
Model | SE 4KTL-D1/G2P | SE 5KTL-D1/G2P | SE 6KTL-D1/G2P |
Efficiency | |||
Max. Efficiency | 98.2% | ||
European Efficiency | 97.0% | 97.3% | 97.4% |
Input (PV) | |||
Max. Input Voltage | 550V | ||
Max. PV Configuration (STC) | 150% | ||
Rated Input Voltage | 360V | ||
Max. Input Current | 15A/15A | ||
Max. Short Circuit Current | 20A/20A | ||
Start Input Voltage | 90V | ||
MPPT Operating Voltage Range | 70V-540V | ||
Max. Number of PV Strings | 1/1 | ||
No. of MPPTs | 2 | ||
Output(Grid) | |||
Rated AC Active Power | 4,000W | 5,000W | 6,000W |
Max. AC Apparent Power | 4,400VA | 5,500VA | 6,000VA |
Max. AC Output Current | 20A | 25A | 27.3A |
Rated AC Voltage | 220V/230V,/204V L+N+PE | ||
AC Voltage Range① | 160V-300V (Adjustable) | ||
Rated Grid Frequency | 50Hz/60Hz | ||
Grid Frequency Range② | 45Hz-55Hz/55Hz-65Hz (Adjustable) | ||
THDI | <3% (Rated Power) | ||
DC Current Injection | <0.5%ln | ||
Power Factor | > 0.99 Rated power (Adjustable 0.8 LD – 0.8 LG) | ||
Protection | |||
DC Switch | Yes | ||
Anti-islanding Protection | Yes | ||
AC Overcurrent Protection | Yes | ||
AC Short Circuit Protection | Yes | ||
DC Reverse Connection | Yes | ||
Surge Arrester | DC Type III(Type II optional) / AC Type III(Type II optional) | ||
Insulation Detection | Yes | ||
Leakage Current Protection | Yes | ||
General | |||
Topology | Transformerless | ||
IP Rating | IP65 | ||
Night Self Consumption | <1W (Standard) | ||
Cooling | Natural cooling | ||
Operating Temperature Range | -25℃-60℃ | ||
Relative Humidity Range | 0-100% | ||
Max. Operating Altitude | 4000m | ||
Dimensions (W*H*D) | 350mm*347mm*137mm | ||
Weight | 8.5Kg | ||
HMI & COM | |||
Display | Wireless & APP+LED, LCD (Optional) | ||
Communication | Optional: WiFi/GPRS/RS485/ LAN | ||
Certification | |||
Safety | IEC 62109-1, IEC 62109-2 | ||
Grid Code | DE-AR-N 4105, EN 50549-1, CEI 0-21, UNE 206001/206002-1, IEC 61727/62116, ORDINANCE n°140 2022, IEEE 1547, UL 1741, AS 4777, VDE 0126-1 | ||
Warranty | 5 Years |
How Grid-Tied Solar Inverters Work and What They Do
The grid-tie inverter is often referred to as the brain of the solar system. Photovoltaic modules (solar panels) convert sunlight into electricity using semiconductors that react to photons in the light. The grid-tie inverter system converts the DC power into AC power. This makes the DC power from the solar panels compatible with the utility grid.
These systems utilize advanced tracking technology. This technology senses and adjusts the system voltage to match the AC output voltage of the grid. This allows excess power to flow back into the grid.
Without this technology, power would flow in only one direction: from the grid to the customer. Power flows from the grid to the customer, and unused power flows back to the grid.
When a customer’s system produces less power than it needs, it gets enough power from the utility grid.
If the system produces more power than needed, the excess power is transferred back to the grid.
The grid-tie inverter wakes up in the morning by detecting the minimum voltage output from the solar array. It then checks if there is power on the utility grid. The device checks for power from the grid. It then checks the AC frequency.