Induktor-Energiespeicherberechnung pfc
Unsere faltbaren Photovoltaik-Energiespeichercontainer setzen neue Maßstäbe in der mobilen und nachhaltigen Energieversorgung. Mit einem durchdachten Design und robuster Technologie bieten wir skalierbare Lösungen für flexible Einsatzorte – ob in der Notstromversorgung, auf Baustellen oder in entlegenen Regionen.
Dank der leichten Transportierbarkeit, schnellen Inbetriebnahme und modularen Struktur sind unsere Container die ideale Lösung für die autonome Stromversorgung ohne feste Infrastruktur. Durch die Kombination aus Solarpanelen und innovativer Speichertechnik ermöglichen wir zuverlässige Strombereitstellung – jederzeit und überall.
The duty ratio of the CCM boost PFC boost converter follows the same formula of the classical dc-dc switching cell except that the input voltage is a rectified sinusoidal waveform. The below slide shows the simple derivation: I built many PFC examples in my book on SMPS from 2014 and it lets me verify the above calculations are ok:
How to calculate average power delivered by a PFC converter?
The average power delivered can be calculated from Equation (12). The output of a PFC converter has output voltage ripple at twice the AC line frequency. This AC ripple can be calculated using Equation (13). By looking at PD(AVG)(t), the average nature of the power command Vc(t) is readily apparent.
How to select an inductor?
1 . − √2 ∙ 2 . In the inductor selection process, the first consideration is to address the loss optimization. Balancing between core loss and copper loss, a suitable inductor size can be selected and the corresponding winding requirement can be calculated.
How does a PFC circuit affect EMI filter design?
Normally, the PFC circuit will be the first input stage that connects to the mains for the equipment. Therefore the design and its operational behaviour are also highly related to the EMI behaviour of the overall circuit and directly influence the input EMI filter design.
How can a thermal inductor be improved?
Subsequently, a thermal model of the inductor will be developed, where it will be shown that the amount of allowed losses and the total volume can be improved significantly by a thermal connection of the inductor with the heat sink via a cooling pin and a cooling tube, respectively.
What is power factor correction (PFC)?
Power Factor Correction (PFC) shapes the input current of the power supply to be in synchronization with the mains voltage, in order to maximize the real power drawn from the mains. In a perfect PFC circuit, the input current follows the input voltage as a pure resistor, without any input current harmonics.
How to set the switching frequency of a PFC converter?
The switching frequency of the PFC converter can be set with an external resistor RFREQ at pin FREQ with reference to pin SGND. The voltage at pin FREQ is typical 1V. The corresponding capacitor for the oscillator is integrated in the device and the RFREQ/frequency is given in Figure 18.