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What is the difference between chargers with and without PFC?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.12
PFC (Power Factor Correction) is a technology used to improve the efficiency of power systems. The power factor of a power system refers to the phase difference between current and voltage. An ideal power factor close to 1 or 100% means that current and voltage are completely synchronized. Power factor correction is mainly used to improve synchronization, reduce energy loss, and enhance the efficiency of electrical equipment. Whether the charger is equipped with PFC has a significant difference in its performance and impact on the power grid.


180W Battery Charger

Charger without PFC

Low power factor: This type of charger usually has a lower power factor, which may be between 0.5 and 0.7. Low power factor means there is a significant phase difference between current and voltage, leading to insufficient energy utilization.

Low energy efficiency: Due to low power factor, these devices may result in higher energy loss and lower efficiency.

Grid load: Equipment with low power factor can increase reactive power in the grid, which may cause additional burden on the grid and affect its stability and efficiency.

Charger with PFC

High power factor: Chargers with PFC are designed to improve power factor, approaching 1. This means that the current and voltage are almost completely synchronized, resulting in higher energy utilization efficiency.

Energy efficiency improvement: High power factor can reduce energy loss and improve overall energy efficiency.

Reducing power grid interference: Improving power factor helps to reduce harmonic interference and reactive power in the power grid, thereby improving the overall quality and performance of the power grid.

Compliance with regulations: In many countries and regions, there are specific requirements for power factor, especially in commercial and industrial applications. Using a charger with PFC can help comply with these regulations.

In summary, chargers with PFC have significant advantages in improving energy efficiency, reducing energy loss, and complying with stricter power regulations. Chargers without PFC may have lower costs, but in long-term operation, they may result in higher overall costs due to low efficiency and grid burden. For users and businesses pursuing high efficiency and sustainability, choosing a charger with PFC is a better decision.
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