在负载电流电路剩余电流输出时被阻止。
The residual current flows in the load current circuit when the output is blocked.
介绍了非正弦周期电流电路的平均功率测量原理。
The measurement principle of the average power for non sinusoidal period current circuit is introduced in this paper.
以乙炔炭黑和高导电炭黑填充天然橡胶，研究其在工频电流电路中的特性。
A study was made on the behaviour of NR compounds filled with acetylene black and super conductive black in the circuit of the current at the industrial frequency.
介绍了开关电流电路的基本单元结构，讨论了目前开关电流技术中存在的问题及其解决方法。
The basic unit structure of the switched current circuit is introduced. Problems with SI technique and their solutions are discussed.
该方法可以利用跨导线性电路、电流镜、电流传输器、开关电流电路等单元电路来分析常用电子电路。
The method can analyze electronic circuits by using Trans Linear circuits, Current Mirrors, Current Conveyers, Switched Current circuits in common use.
介绍了开关电流电路的基本单元结构，讨论了影响故障诊断精度的主要因素，重点分析了电荷注入误差。
The basic unit structure of the SI is introduced in this paper. It also discusses the main factors which affects the precision of fault diagnosis and analyzes the charge injection error in detail.
其原理包括参考电压电流电路，2.7V及1.8V电压调整电路，过流保护电路以及低压检测电路四个部分。
The schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .
最好使用交流电源供电，并为设备安装保险丝或额定电流小于2安培的自动断路器，自动断路器还必须与其他负载电流电路分离。
It is recommended that AC power supplies to instruments be protected by fuses or automatic circuit breakers rated at not more than 2 Amperes, and must be separated from any load current circuits.
针对直流电力牵引区段车辆段轨道电路中的信号电流存在的迂回问题，提出了在工程设计中的防范措施。
For the problem of signal current bypass with track circuit of rolling stock depot in DC electric traction sections, the paper provides measures to prevent it.
由电孤启动到正常工作这段时间，电网线路的电流电压波动性较大，往往给电路其它各元件造成强烈的冲击。
From starting-up to stabilization of the arc, the electric current and voltage usually fluctuate acutely, which makes a great impact on other circuit components.
如果屏蔽和测量仪器之间存在一个交流电势差，则可能有电容性电流通过测量电路，增大干扰。
If there is an ac potential difference between the shield and the measuring instrument, there may be capacitive currents flowing through the measuring circuit that will add interference.
交流电路中的有用功率还取决于该电路中的电流和电压。
The useful power in ac circuit also depends on the current and voltage in the circuit.
伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
欧姆定律—在直流电路中，电压，电流与电阻的关系。
Ohm's Law - relationship between voltage, current and resistance in D. C. circuit.
在交流电路中，电流的幅度是连续不断地变化的，因此相位和时间的概念变得十分重要了。
In ac circuits, the current amplitude changes continuously that the concept of phase or time becomes very important.
由功率四边形进一步确立了非正弦交流电路中的电流四边形和导纳四边形，以及它们和功率四边形的相似关系。
Further, the current quadrilateral and admittance quadrilateral, as well as their similarity to the power quadrilateral in non-sinusoidal alternating-current circuits were derived.
介绍了基于PS 21963平台用无刷直流电动机集成化驱动及电流采样电路设计方案，进行了相应的实验研究。
The basic characteristics of PS21963 intelligent power model is displayed in brief, and a circuit design about platform driving and electric current sampling is put forward.
由于采用了一种新型的低损耗无源缓冲电路，开关管和主二极管的电流电压应力较小，并降低了能量损耗，提高了工作效率。
Since the novel low-loss passive snubber circuit is used, the low current and voltage stress, low energy loss and high efficiency properties are achieved.
MW直流电弧的电流控制采用2台整流变压器控制，通过调节晶闸管桥触发角构成24脉波整流电路。
MW DC arc furnace uses the current 2-transformer rectifier bridge thyristor controlled by adjusting the angle trigger to compose 24 pulse wave rectifier circuit.
结果表明，各支路电流电压的量子涨落均与电路器件的参数有关，且随时间衰减。
The result shows that the quantum fluctuations of the voltage and current of each branch are related with parameter of the circuit element, and decay with time.
通过模拟试验证明，三相整流电路交流侧电流中的谐波含量由原来约30%下降到约10%。
It can be seen from model experiment that the Total Harmonic Distortion (THD) of the current in the three-phase rectification circuit can be reduced from 30% to about 10%.
控制器由AT89C52单片机，AD转换电路，LCD显示电路，电流电压采集电路以及控制电路等组成。
This design's hardware consists of minimum system circuit in MCU AT89C52, AD convert circuit, LCD display circuit, the monitor and control circuit of current voltages.
结果表明，各支路电流电压的量子涨落均与电路器件的参数以及温度有关。
The result shows that the quantum fluctuations of the voltage and current of each branch are related with parameter of the circuit element, and also related with temperature and decayed with time.
最后设计调试了永磁电机直接转矩控制系统，包括IPM驱动和保护电路，电流电压采样电路以及转速采样电路等。
At last, the control system including the drive and protect circuits of the IPM and the current sample circuits and so on are designed.
本文推导了用电路参数表示的晶体管一维直流电流—电压方程。
In this paper, the transistor one dimensional DC current-voltage equation which is indicated as circuit parameters is derived.
简单介绍了新型直流电流测试仪的设计方案，详细阐述了新型直流电流测试仪的电路原理及设计。
This paper introduces the design proposal of a new-type DC current tester, and expounds the circuit principle and design of the new-type DC current tester.
J 0414型交流毫安表适用于中学、中专等实验室测量交流电路中的电流强度。
AC Milliammeter, Model J0414, is suitable for the laboratories of middle schools and polytechnic schools to measure current intensity in the AC circuit.
J 0414型交流毫安表适用于中学、中专等实验室测量交流电路中的电流强度。
AC Milliammeter, Model J0414, is suitable for the laboratories of middle schools and polytechnic schools to measure current intensity in the AC circuit.
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