This document specifies the use conditions, technical performance, design requirements, test methods, etc. of DC coupling capacitors and capacitive voltage dividers for DC transmission. This document is applicable to DC transmission systems with rated voltage ±500 kV and above, DC coupling capacitors and DC single-current devices connected between line and ground, with low-voltage terminals permanently grounded or connected to power line carrier (PLC) equipment with a frequency of 30kHz~500kHz. phase capacitance divider.
DL/T 2635-2023 history
2023DL/T 2635-2023 Technical conditions for DC coupling capacitors and capacitive voltage dividers for DC transmission