1) primary circuit
一次回路，前置回路;初级电路，一次电路，原电路;一级管网
2) secondary circuit
二次回路，二次电路，次级电路;二次管网
3) primary circuit
一次电路
1.
7 in theory and recommended some feasible test methods, meanwhile, this article brought up some applicable requirements for primary circuit design and discharge of capacitors.
在IT设备的产品安全性测试和认证过程中,“一次电路电容器的放电试验”无法通过的情形较多。
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) second circuit
二次回路，次级电路
6) primary coolant circuit
初级冷却介质回路;一[次冷却剂]回路
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