在电阻不变的直流电路中，电流和电压成正比。
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
讨论了小型交流断路器在直流电路中的灭弧原理。
The arc extinguishing principle of miniature circuit breaker in DC circuits was discussed.
本文提出一种非线性直流电路故障诊断的有效算法。
An efficient algorithm for fault diagnosis of nonlinear d. c. circuits is presented in this paper.
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.
直流电路中的断路器只要依靠拉长电弧来达到游离作用。
Breakers for dc circuits rely principally on lengthening of the arc and subjecting it to demonizing effects.
分析了直流电路中电感和时间常数对直流电弧熄灭的影响。
The affect of inductance and time constant to DC arc extinguishing in DC circuits was analyzed.
要注意，代文宁定理不仅适用于直流电路，也适用于交流电路。
It is to be noted that Thevenin s theorem applies to AC as well as to DC circuits.
无极性（或二极性）电解电容器，可使用在交流或直流电路上。
Non-polar capacitors can be used for both AC or DC circuits.
直流电路是电路中最基本的电路，学好直流电路这一章对《电工学》的学习有着极大的意义。
Direct current circuit is the elementary one of the circuit, so it is the most meaningful to the subject electrics to study the chapter, direct current circuit, well.
J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。
Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.
在直流电路中这并没有影响，但对交流电路却有反作用，因为感应系数使该器件对频率的变化很敏感。
This does not affect performance in DC circuits , but can have an adverse effect in AC circuits because inductance renders the device sensitive to changes in frequency. disadvantages.
以一道直流电路分析题为例，把常用的几种直流电路分析方法贯穿起来解答，以便读者加深对其辨析和理解。
With an analysis of a direct current circuit as an example, it can use several common DC analytical approaches to solve a subject.
通过交、直流电路在使用基尔霍夫方程组解题的分析讨论，可知回路电压方程采用网孔法比较准确，不易出错。
When using mesh, closed circuit voltage equation groups will be more exquisite, direct complex circuit is the special case of alternating complex circuit.
J01460投影电流表适用于普通中学、中专配合投影仪在进行教学演示或实验时测量直流电路中的电流强度。
Projection Ammeter, J01460, is suitable for middle schools and polytechnic schools to measure current intensity in the DC circuit in teaching demonstration or experiment with the projector.
因为两臂的直流电路相等而方向相反，所以在变压器铁心中有效直流磁通是互相抵消的，所以不再需要巨大的直流元件。
Since the DC current on each side is the same, the effective DC in the transformer core is cancelled, so there is no need to provide for a large DC component.
本文叙述在电感储能电路系统中，采用人工过零方法开断脉冲高压强流直流电路时，开断电路参数的匹配，并给出了用真空开关进行试验的结果。
This paper describes the breaking research in HVDC circuit with inductor-energy-storing aad high implue current , also gives the parameter matching of breaking circuit and the test results.
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.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
如果测试电路是浮动的﹐示波器的地也可以接到除地以外的其他直流电平处。
Scope ground may be connected to other DC level in the circuit other than ground provided the circuit under test is floating.
整流电路的主要作用是将交流电压转换成直流电压。
The main function of rectifier circuits is to convert AC to DC.
同时它也能引导信号(但不引导直流电)，它也经常被用在电路里的信号需要跨越两个不同直流电压之间的地方。
It also conducts the signal (it doesn't conduct DC), and is often used at other points in a circuit where the signal needs to travel between two different DC voltages.
这是常用的直流电机的驱动电路，非常的简单，我都用过了，很好的。
This is commonly used in DC motor drive circuit, very simple, I have used, and very good.
这可能是在特殊接口电路，或辅助直流电压源方面。
This might be in the area of special interface circuitry, or auxiliary DC voltage sources.
本文提出一种基于电容的直流电源传输电路。
A DC supply circuit based on capacitors is presented in this paper.
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.
介绍无刷直流电机控制器MC33033的特性，工作原理和应用电路。
This paper introduced brushless DC motor controller MC33033's performances, working principles and application circuit.
文章介绍了直流电机控制柜输出端的保护方法，并对电路进行原理分析。
This paper introduces the protecting methods of the output end of DC motor's control cabinet, and analyzes the principle of the circuit.
文章介绍了直流电机控制柜输出端的保护方法，并对电路进行原理分析。
This paper introduces the protecting methods of the output end of DC motor's control cabinet, and analyzes the principle of the circuit.
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