The analysis of three-phase circuits is little more difficult than that of single-phase circuit.
三相电路的分析比单相电路难不了多少。
A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.
提出了一种新的单相电路的谐波和无功电流实时检测方法。
A new method of current decomposition is proposed for single-phase circuit with periodical voltage and current.
对于任意周期性电压与电流信号的单相电路,提出一种新的电流分解方法。
The system structure of this algorithm is simple . It not only fits for single-phase circuit, but also for three-phase circuit.
该方法系统结构简单,不仅适用于单相电路,而且也适用于三相四线电路。
Viewed in this light, it will be found that the analysis of three-phase circuit is little more difficult than that of single-phase circuits.
鉴于此,三相电路的研究分析并不比单相单路研究难多少。
The continuously-variable phase circuit is adjustable from 0 to 180 degrees to finely integrate the subwoofer with the main listening speakers.
不断变化的相电路可在0至180度间调节,从而较好地将低音炮与主喇叭相结合。
This paper simply mentions the function of TN-C system neuter line, the circuit analysis of two single-phase circuit in common the neuter line.
简述TN - C系统中性线的作用,两个单相回路共用中性线的电路分析,中性线断线后的危害以及在实际应用中需采取的保证措施。
This paper introduces a digital control system of series hybrid type active power filter used in single-phase circuit, which employs a DSP processor.
本文介绍串联混合型单相电力有源滤波器的一种基于DSP芯片的数字式控制系统。
Research on the zero-current-breaking control (ZCBC) for intelligent ac contactor and realize the micro-arc-energy breaking control in three-phase circuit.
进行智能交流接触器零电流分断的研究,并实现了三相电路的微电弧能量分断控制。
As a new filtering device used in single phase circuit, hybrid type series active power filter is a combined system of shunt passive filter and series active filter.
串联混合型单相电力有源滤波器是串联有源滤波器与并联无源滤波器组合而成的单相电路新型滤波装置。
This article introduces the characteristics of stabilized arc circuit, sync shift-phase circuit, trigger circuit and control circuit, also illuminates each unit circuit.
介绍了稳弧电路、同步移相电路、触发电路及外特性控制电路的设计特点,对各单元电路进行了具体的分析。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
A detection approach of harmonics and reactive currents based on the integrated vector in 3 - phase circuit is proposed, which has the advantage of brief arithmetic and wide applications.
从三相电路的综合矢量出发,提出了一种适用性广、算法简单的谐波及无功电流检测方法。
Combining the project of telescope control system, the key technologies such as locking frequency, phase circuit, real_time data collecting, display and hardware interrupt are also presented.
对实现高精度速度控制所采用的关键技术锁频锁相控制方法,计算机的实时数据采集、显示和硬中断等进行了介绍。
According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.
根据非线性负载的等效电路模型,提出了一种基于快速跟踪算法的有源电力滤波器单相电路谐波电流检测方法。
The Phase I grant supported a six-month effort to develop a low-power 'green' battery with a 30-plus year shelf life that will power a SRAM (static random access memory) circuit for a computer device.
阶段I合同为期6个月,开发一个低功率“绿色”电池,附带30年保存期限,为计算机设备SRAM(静态随机存取内存)电路提供动力。
The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
According to some embodiments of the present invention, a phase frequency detector includes a temperature sensing circuit.
依照本发明的某些实施例,相位频率检测器包括温度感测电路。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中,要求很高的目标速度测量精度,因而目标多普勒频率测量电路的设计比较重要。
The equivalent circuit, the phase diagram as well as the torque-speed characteristic in the braking state are obtained.
较完整地得出:处在能耗制动时,异步电动机特有的等值电路、相量图及机械特性。
A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.
移相线路中配有与弦移相器以满足可控硅整流器最大可能触发电流和电压。
This is the so-called "single-phase power circuit" works.
这也就是所谓的“单相电源回路”的工作原理。
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.
在三相功率因数校正电路中,全解耦型电路由于其输入功率大,电气性能较好等优势特别适用于大功率场合。
The expression for short-circuit electrodynamic force of rectangular bus bars on the basis of the calculation of three-phase symmetry short-circuit current was fi.
本文首先根据系统发生三相对称短路时的短路电流,给出了三相矩形母线短路电动力的解析表达式。
It contains three parts of circuit: phase quantizer, data memory and weighting summation.
它包含了相位量化器、数据存储和加权相加三部分电路。
Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.
能可靠判断、检测界内与界外毫安级零序电流及相间短路故障电流,实现自动切除单相接地故障和相间短路故障。
In the new scheme proposed, the phase lock loop is avoided and the digital logical circuit is used.
该方案利用信号自身的特性,采用数字逻辑设计,有效避免了性能不高的锁相环的使用。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。
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