It depends on the type of battery. In the case of batteries without an onboard controller, generally there is always compatibility, provided that a nominal voltage of 48V is reached for the battery pack. Conversely, when dealing with batteries with integrated BMS, to communicate with a DEYE inverter, compatibility needs to be assessed by verifying its presence on the official DEYE list. We strongly recommend purchasing DEYE brand batteries as, unlike all others, they can be remotely queried and updated.

The abnormal consumption that may occur is not actually real consumption, but in most cases, reading errors due to mistakes in the installation of the CT or directly in the pre-existing electrical system. It must be evaluated on a case-by-case basis.

Yes, it is possible through the use of the “zero export to CT” function. However, this functionality requires the installation of the supplied CT or the Eastron meter.

Yes, it is possible, but a series of potential limitations and considerations need to be evaluated. The use of the inverter within a well-designed photovoltaic system drastically reduces the use of the input grid, which, however, may be necessary in cases of prolonged overcast skies or sudden power demands from loads.

The national power grid, in some areas, provides a voltage at the meter connection point that can sometimes be higher than the nominal by 10-15V, bringing the voltage to about 240-245V. Disconnections increase exponentially as soon as the inverter starts exporting energy to the grid, which is why precautions need to be evaluated on a case-by-case basis.

No, under three conditions: 1) If the loads are connected correctly, 2) if the inverter is properly configured and has charged batteries, you will continue to have electrical power even during a blackout. The inverter in Island mode will use the energy stored in the batteries to power the loads connected to the LOAD output. However, if the batteries are discharged and there is no production from the photovoltaic field, the power supply will be interrupted until the batteries are recharged. 3) If you also have a generator connected to the GEN port.

Yes, it is possible, but it depends on the operating mode of the inverter. In Island mode, the loads on LOAD are powered exclusively by the battery and photovoltaic field, while the grid on GRID is not used. In Hybrid mode, however, the grid can support the loads on LOAD in case of a discharged battery or excessive power demand.

In Island mode, the inverter is not connected to the public power grid and therefore does not have an external reference for the neutral, which is why the inverter generates two phases with a potential difference between them different from that present when there is a neutral reference. The resolution of this problem is relatively simple: it is necessary to add a neutral conductor, with reference to ground. However, before performing this operation, other parameters must be evaluated to ensure correct system operation.

In general, this is discouraged by DEYE, however, it doesn’t mean it’s not feasible. The signal passing through the CT cable can be of two types depending on the type of CT. It needs to be evaluated case by case what’s best to do, but generally speaking, with the appropriate cable for this extension, it’s possible to reach up to about 30-40 meters without problems.

DEYE inverters have an integrated measurement system that, thanks to the supplied CT, can provide electrical consumption data. However, there are limitations related to the distance of the electrical grid entry point within the system being examined. In case the distances are excessive, it’s necessary to opt for the optional Eastron meter, which allows the possibility of extending the communication cable between the Inverter and Meter up to about 300 meters with RS485Modbus protocol, depending on the type of cable used and the type of connection made between the meter and inverter.

A direct insertion meter provides measurement directly within itself. Its structure includes the entry of input cables from the electrical grid and consequently the output to the loads. This way, it can measure the current flowing from input to output. This type of Eastron meter is usable up to 10kW power, after which it’s necessary to opt for the use of a meter that measures the passing current directly through CTs. The use of the latter eliminates barriers related to maximum passing current as it’s simply necessary to choose the right CTs.

Deye doesn’t always provide the same type of CT, however, identifying the right CT is a fairly simple operation. Ask for our help and we’ll assist you in doing so.