Jiuxi Cui

Li Z., Cui J., and Chen H., 2025. Research progress of all-fiber optic current transformers in novel power systems: A review. Microwave and Optical Technology Letters 67: e70061. Long Z., Li W., and Zhou F., 2022. Device of 1200 kV wideband capacitive divider based on high voltage standard capacitor. High Voltage Engineering 48: 1826–1835. Li Z., Jiang W., Abu-Siada A., Li Z., Xu Y., and Liu S., 2020. Research on a composite voltage and current measurement device for HVDC networks.

1. Introduction Voltage transformers are key components in modern substations as they are used for measuring voltage signals that are required for power system protection and control [1]. To ensure the reliability of the measurement results of voltage transformers, their performance must meet the 0.2 class standard.