10kw grid-connected energy storage

How does a power grid work?

The current in the grid is measured and then controlled by the MCU using Proportional Resonant (PR) controllers. High-accuracy measurement of the current flowing in the Point of Common Coupling (PCC) is required to control active and reactive power.

How to limit reactive power injected into the grid?

By default, the reactive power injected into the grid is equal to Equation 17. At = Vg2 × 2πfg 10% load, a power factor equal to 0.9 (26°) has been set up as requirement. Thus, leading to limit the quantity of Q reactive power, given by × ∅ Equation 18.

What is the output power of 230vrms grid?

With the signle-phase 230VRMS grid, an output power of 4.6kW can be achieved with an output current of 20ARMS. The EMI filter is composed of a boost inductor split between both rails for better common-mode rejection capability, two common-mode chokes, Cx capacitors, and Cy capacitors.