1) power network fluctuation
电网波动
1.
It is analyzed that the main effects of electricity quality to chemical production equipment mainly comes from power network fluctuation.
分析了供电质量对生产装置的影响主要来自于电网波动,介绍比较了防电网波动的2种方案,阐述了采用时间继电器的防电网波动技术在复杂化工生产装置中的应用及效果。
3) mains fluctuation
网路电压波动
1.
This system can offset the influence of mains fluctuation on the arc voltage of CO 2 short circuit transfer welding,to stabilize the short circuit transfer frequency.
系统可以在焊接过程中消除网路电压波动对CO2 短路过渡焊电弧电压的影响 ,达到稳定短路过渡频率的目的。
4) power network parameter fluctuations
电网参数波动
5) net voltage fluctuation
网压波动
1.
The main factor affecting weld quality of spot welding is net voltage fluctuation and the change of secondary loop impedance.
影响点焊电流恒定输出的主要因素是网压波动和二次回路阻抗的变化 ,二次回路阻抗变化会导致负载功率因数角变化。
2.
A new constant current control system of spot welding by 89C51 was designed, which used the control mode of constant quantity of heat outputting, by checking the effective value of net voltage before welding, compensating the net voltage fluctuation and the power factor angle of load and adjusting the fire angel of SCR.
研制了以89C51为核心的单片机恒流控制系统,通过焊前检测网压有效值,对网压波动和负载功率因数角进行补偿,不断调整可控硅触发角,实现了恒热量输出。
3.
Aiming at net voltage fluctuation in the urban rail transit system,the paper presents a solution of installing the ultracapacitors energy storage device in the traction substation.
针对城市轨道交通系统中的网压波动问题,提出了在牵引变电所内设置超级电容储能装置的解决方案,该装置以电容吸收为主,电阻消耗为辅,在稳定网压的同时还将制动能量存储再利用;在分析装置功能的基础上设计了主电路,并对主电路进行了建模仿真,结果表明设计能满足系统减小网压波动的要求。
6) harmonics
[英][hɑ:'mɔniks] [美][hɑr'mɑnɪks]
电网谐波
1.
An artificial neural network approach based on MLFNN for measuring harmonics in force system is proposed.
为了检测电力系统中的谐波,本文提出了一种基于优化神经网络的电网谐波测量方法。
2.
On the basis of traditional detecting methods, the article advances another method by wavelet package transforming, and it realizes the high resolution ratio in detecting the harmonics in power networks.
在传统谐波检测技术的基础上 ,提出一种基于小波包变换的电力系统谐波检测方法 ,实现了电网谐波信号的高分辨检
补充资料:《国际大电网会议会刊》
《国际大电网会议会刊》
Electra
Guo]一DaD一anwong Hulyl Hu一kan《国际大电网会议会刊》(E之‘‘tra)创刊于1967年,双月刊,12开本。由国际大电网会议(International Conferenee on Lar罗High VoltageElectric Systems)CIGRE编辑出版。编辑部地址:CIGRE,21 rue d.Artois,75008 Paris,Franee;E一mail:eigre@world一net,sct,fr; 网址:http://www.worldnet.net/~eigre· 该刊是国际大电网会议会刊,选登国际大电网会议各专业组的有关论文,介绍各专业组的讨论摘要,报道会议活动简讯等。用英、法文对照出版。 该刊的读者对象是电力、能源部门的科技人员。
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