1) primary water
一次回路水
2) primary water
一次水;一回路水
3) primary make-up water
一次[回路]补给水
4) primary circuit
一次回路
1.
Development of intelligent CAD system software for primary circuit in transformer substations;
智能化变电所一次回路CAD系统软件开发
2.
It was pointed out that it was the larger contact résistance in primary circuit of a 200 MW turbine generator, which produced a larger unbalance voltage at open triangle of the potential transformer secondary side, that caused the protection malfunction among turn-to-turn, and some suggestions of solving these problems available were presented for .
分析了匝间保护误动的原因,指出某台200MW汽轮发电机一次回路接触电阻大,导致电压互感器(TV)二次侧开口三角出现较大的不平衡电压造成匝间保护误动。
5) primary make-up system
一次[回路]补水系统
6) primary water purification plant
一次水净化装置;一回路水净化装置
补充资料：一次回路
在电气系统中电能从电源传输到用电设备所经过的电路。如把发电机、变压器、输配电线、母线、开关等与用电设备(电动机、照明用具)连接起来的电路。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条