Solar Inverter With Pure Sine Wave 24v

GI series solar inverter with pure sine wave 24v

1. Inductor voltage volt-second balance law

The working state of a power converter when the input, load and control are all fixed values, in a switching power supply, is called steady state. In the steady state, the inductance in the power converter satisfies the law of inductance-voltage volt-second balance: for a DC/DC power converter that has been working in a steady state, the forward volt-second applied to the filter inductance when the active switch is turned on must be equal to The reverse volt-second applied to this inductor when the active switch is turned off.

The basic equation of the inductor is: V(t)=L*dI(t)/dt, that is, the voltage across the inductor is equal to the inductance value multiplied by the rate of change of the current through the inductor over time.

According to the above equation, dI(t)=1/L∫V(t)dt can be obtained. For a steady-state power converter, it should ensure that the energy charge and discharge in the inductor are equal in one cycle, which is reflected in the Vt diagram That is to say, the sum of its area is 0 in one cycle, so the law of volt-second balance of inductor voltage is obtained.

Extended information:

1. When a voltage is suddenly added to an inductance, the current in it gradually increases, and the larger the inductance, the slower the current increase;

2. When the current on an inductor is suddenly interrupted, an instantaneous high voltage will be generated at both ends of the inductor, and the larger the inductance, the higher the voltage;

3. The basic equation of the capacitor is: I(t)=dV(t)/(C*dt), when a current flows through the capacitor, the voltage across the capacitor increases gradually, and the larger the capacitance, the slower the voltage increase;

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