压 力 释 放 阀PRESSURE RELEASE VALVE使用说明书OPERATION INSTRUCTION明远电器设备SHENYANG MINGYUAN ELECTRIC EQUIPMENT CO
本说明书适用于我公司生产的系列变压器用压力释放阀,阐述其用途、性能、规格、技术参数、使用与安装,供用户参考
The Operation Instruction is applicable to pressure release valve of a series of transformers manufactured by our company, indicating its application, performances, specifications, technical parameters, usage and installation for uses’ reference
压力释放阀用途和性能压力释放阀适用于油浸式电力变压器、电力电容器与有载分接开关等,用来保护油箱
当油浸式变压器在运行中出现故障时,由于线圈过热,使一部分变压器油汽化,变压器油箱中压力迅速增加,这时压力释放阀在 2ms 迅速动作,释放压力,保护油箱不致变形或爆裂
油箱的压力再升高而达到开启压力时,压力释放阀应再次动作,直到油箱的压力降到正常值
由于压力释放阀动作后能可靠关闭,油箱外的水和空气不能进入油箱,变压器部不会受大气污染
Application and performance Pressure release valves play avital role in the protection of oil-immersed electrical equipments, such as transformers, high voltage switch ge