​The TF-PE3023-2.72 transformer and CSPV-LTSH sensor combination is enabling 30% smaller AC/DC power modules. The 2.72W encapsulated transformer operates at 130kHz with 94% efficiency, featuring 3kV isolation for medical-grade PSUs. Paired with the CSPV-LTSH's ±1% DC current measurement accuracy (0-50A range), this solution achieves 0.5% total system error in EV charging stations.

September 6, 2022, marked a paradigm shift as three revolutionary high-frequency miniature transformers (TF-EE16-64056, TF-EE19-2002-12.5, TFEE19-2003-2.3) debuted with standardized 800×800mm dimensions. Engineered for 100kHz-2MHz operating ranges, these transformers reduce core losses by 62% compared to conventional models, enabling 95% energy conversion efficiency even at 125°C ambient temperatures.

The rise and development of intelligent power grid technology has put forward new requirements for voltage and current sensors in power system. Miniaturized non-contact sensors will be the mainstream and need. This paper summarizes the application status of traditional electromagnetic voltage transformers and capacitive voltage transformers, and points out their limitations. On the basis of introducing the D-dot measurement principle in high voltage pulse electrical measurement, an electronic voltage transformer based on self-integrating D-dot sensor is proposed, and it is pointed out that it will be the mainstream trend of voltage signal measurement in power system.

In order to ensure the safe and economical operation of the power system, the operation of the power equipment must be monitored and measured.