QYW-DS Series Intelligent Multi-function Protector

The QYW-DS series intelligent multifunctional protector is a dedicated protection device for fully sealed transformers with RS485 communication capabilities. It provides the following protections for transformers: heavy gas protection, pressure over-limit protection, light gas gas protection, low oil level protection, oil level display (oil level gauge), oil surface temperature display, high oil surface temperature alarm, and ultra-high oil surface temperature alarm. Additionally, it features functions such as oil filling, oil replenishment, pressure relief, and an optional pressure relief valve with energized contacts. The RS485 communication and Modbus-RTU communication enable real-time monitoring of fully sealed transformer operation and fault diagnosis by power supply departments, making it suitable for intelligent fully sealed transformers and intelligent box-type substations.
The QYW-DS series intelligent multifunctional protector is a dedicated protection device for fully sealed transformers with RS485 communication functionality. It provides the following protections for transformers: heavy gas protection, pressure limit protection, light gas gas protection, low oil level protection, oil level display (oil level gauge), oil surface temperature display, high oil surface temperature alarm, and ultra-high oil surface temperature alarm. Additionally, it features functions such as oil filling, oil replenishment, pressure relief, and an optional pressure relief valve with energized contacts. The RS485 communication and Modbus-RTU communication greatly facilitate real-time monitoring of fully sealed transformer operation and fault diagnosis for power supply departments, making it suitable for intelligent fully sealed transformers and intelligent box-type substations.