• October 11. 2022

Gallium nitride has the advantage of high frequency characteristics. Currently, the gallium nitride fast charging frequency starting at exceeding 100KHz, even as high as 300KHz. As the power devices' switching frequency increases significantly, various parasitic parameters gradually affect the fast charging efficiency under high frequency conditions.How to eliminate the influence of parasitic para...

• May 21. 2024

In switching power supplies, there are two common types of noise: common mode noise and differential mode noise. The noise with the same path as the input signal is called differential mode noise, while the noise from ground to output with the same phase is called common mode noise. Common mode inductance can suppress common mode noise and improve signal quality through filtering. As for power lin...

• May 20. 2026

In recent years, as power grids have increasingly advanced toward intelligent and automated operation, real-time monitoring of power systems—such as insulation monitoring of transmission lines, fault location in distribution networks, and overhead line icing detection—has become a critical focus. Given the high voltage levels of transmission lines, monitoring equipment is often exposed to prolonge...

• May 29. 2026

In our previous discussion, we noted that the magnetic core adopts an open-gap design, and through optimal parameter selection, the dead-zone current is effectively reduced. By analyzing the variation patterns of load and number of turns, we employed a method combining multiple turns with parallel resistors to suppress magnetic saturation. This approach successfully addresses the challenge of stab...

• July 02. 2026

In our previous discussion, we Analysis of Energy Extraction System Based on Gaped Core. Today, we will proceed with the optimization of magnetic core parameters. 2) .Optimization of Magnetic Core Parameters Through the analysis in Section 1, we know that changes in magnetic core parameters can have an impact on the energy harvesting performance of CT. In order to enhance the load-bearing cap...

• July 09. 2026

In our previous discussion, we Analysis the optimization of magnetic core parameters. Today, we will proceed with the Core saturation prevention design . 3) . Core saturation prevention design After the magnetic core saturates, the load voltage waveform distorts and exhibits a spike waveform. Voltage spikes may damage the circuit, while the magnetic core generates heat and vibrates, causing s...

• July 15. 2026

In our previous discussion, we Analysis the core saturation prevention design. Today, we will proceed with the Energy harvesting performance test.   4) .Energy harvesting performance test When the current is in the range of 50~3000 A, CT can provide a secondary voltage of 7 V or more for the load, which meets the starting voltage of the subsequent circuit. Therefore, only one test is nee...