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- phase current detection 相电流检测
- System capacity is calculated by the accurate current detection. 系统电量通过电流测量获得;高精确度.
- Based on quasi-linear model, the phase current of the SRM in PWM combined with APC is computed with making programs. 基于准线性模型,编写了电压PWM和APC相结合的控制方式下相绕组电流的计算程序;
- I would be interested to get info and quote about leakage current detection interrepters (lcdi) , for North American market with UL approved. 我们有兴趣采购泄漏即时探测器;供应北美市场;需要通过UL认证.
- Fundamentals,current detection methods and separation modes of capillary electrophoresis(CE) were introduced. 介绍了毛细管电泳的基本原理、分离模式和检测手段。
- This paper put forward the view that non-conduction phase current which formulaically and markedly exists had the influence to the BLDCM performance. 研究表明,不导通相的电流明显存在,而且有规律且对电机性能会产生影响。
- An advanced technique,pulsed eddy current detection,was introduced for corrosion detection. 介绍了一种新型的腐蚀检测技术,即脉冲涡流检测技术。
- Furthermore, the novel field-orientated control algorithm was achieved by generating phase current references in the three phase stationary frame. 在此基础上,给出一种直接在三相静止坐标系中产生相电流命令的磁场定向控制算法。
- Associated with ion current detection device, this system can test and compare different kinds of spark plugs. 该系统配合火花塞离子电流检测装置,可以实现对不同火花塞热值进行测试比较的目的。
- The generator shall be run without load for30 minutes, to record the phase current, volt, frequency, stator and bearing temperature once at intervals of10 minutes. 电机应空载试运行2小时,每隔30分钟记录一次相电流、组和轴承温度。
- Application of FBD-method to real-time current detection in three-phase four-wire system[J].Electric Power Automation Equipment,2006,26(8):36-39. FBD法在三相四线制系统电流实时检测中的应用[J].;电力自动化设备;2006;26(8):36-39
- The generator shall be run without load for 30 minutes, to record the phase current, volt, frequency, stator and bearing temperature once at intervals of 10 minutes. 电机应空载试运行2小时,每隔30分钟记录一次相电流、绕组和轴承温度。
- In addition, the primary causation for the problem that phase current during reverse braking process out of control is a short loop by the back electromotive force. 同时,针对反接制动时电流无法控制的问题,该文指出反电动势短接回路的存在是造成再生电流无法控制的主要原因。
- Using a high power brushless DC motor as an example,phase current waveform of three kinds of commutation instances was shoed through computer simulation and real experiment. 以大功率永磁无刷直流电机为实例进行了仿真与样机试验验证,得到了三种换向情况下电动机相电流的仿真和试验结果。
- To provide references for detection and prevention of ciguatera fish poisoning, in this paper, the current detection methods of ciguatoxin were reviewed. 为给雪卡毒素中毒的预防及其检测提供借鉴,本文主要对雪卡毒素现有的检测分析方法进行了综述。
- First, we substitute linear Hall sensor signal for general FOC which can directly produce various phase current commands in three phase stationary frames. 霍尔元件讯号由查表的机制可计算得到马达转子位置,进而能得到转速讯号,以达到速度控制的目的。
- This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter). 本文对基于单位功率因数的谐波电流检测方法进行了改进,用移动窗积分法取代检测中常用的低通滤波器。
- Abstract: Eddy current detection for new copper tubing should be carried out bef ore the replacement of copper tubing of condenser and oil cooler in thermal powe r plant. 摘 要:火力发电厂凝结器、冷油器铜管更换前要对新铜管进行涡流检测,根据多年的检测经验,介绍在火力发电厂铜管涡流检测中的一点经验。
- This paper analyses the internal overvoltage and the phase current of grounded wye shunt capacitor bank when there are failures in it,and gives corresponding equations. 分析了中性点接地电容器组内部故障时的内部过电压和相电流变化,并给出了相应计算公式。
- In the sinusoidal systems, active current detecting is real-time with no delay. 当电压电流无畸变并平衡时,测量有功电流无过渡过程,是实时精确的;