Frequently Asked Questions

Inverter Selection vs. battery system

WSTECH offers different central inverter series. The APS outdoor series, BAT outdoor series and BAT / BATI indoor series. For inverter selection click here.

Parallel connection of WSTECH Central Inverter

WSTECH central Inverter for Energy Storage Systems can be connected in parallel on DC Side. This enables several advantages.

Seamless transfer and UPS similar function

The general Response time of the WSTECH central inverters of below 100ms is very fast, but depending on ....

Reactive power capability

All WSTECH Central Inverter are 4-Quadrant Inverter with full inductive or capacitive reactive Power capability. These functions are implemented .....

DC separation / Common Mode Filter

The 2nd generation of the WSTECH APS Series for ESS is available with separated DC Inputs (DC split version). This option offers ....

Island grid

All WSTECH Inverter´s for ESS application are available with optional island grid functionality. This function enables the inverters capability to act as the grid building device,....