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.
控制电路包含电压开环控制电路，半周期电流滞环控制电路。
A control circuit comprises a voltage open-loop control circuit and a semi-periodic current hysteresis-loop control circuit.
新的稳压器具有逐周期电流限制、短路保护和热关机功能，确保了其性能的鲁棒性。
The new regulators guarantee robustness with cycle-by-cycle current limit, short-circuit protection and thermal shut-down.
电流模式控制架构，方便易于补偿设计，并确保快速响应的电压和负载瞬态逐周期电流限制。
The current-mode control architecture facilitates easy compensation design and ensures cycle-by-cycle current limit with fast response to line and load transients.
利用计算机产生精确的数字信号，再将数字信号转换成模拟信号，以获得准确的反应堆周期电流信号。
An accurate digital signal is generated by computer and converted to analog, then precise reactor current signal is acquired.
典型的智能度量设计包括来用户端的电流、相位和频率数据向电力调配公司的周期传送。
Typical smart meter designs include periodic transmission of current, phase, and frequency data from the user to the electricity distribution company.
它与换向电流所不同的是不把镀件作阳极，而是间歇地停止供电，由于间歇中断电流，阴极电位随时间周期性地变化。
It and reversing current different is not to be, but with a anode intermittently stop, because the intermittent power supply current interrupted, cathode potential with time periodically change.
以氮气滑动弧为例，分析了其在一个周期内电弧电压、电流、电阻和功率的变化特性。
The arc voltage, current, power and resistance of a nitrogen gliding arc in one period were studied.
目前除采用一般的直流电外，根据实际的需要还可采用周期换向电流及脉冲电流。
At present in the general of dc outside, according to the actual need to still can use cycle reversing current and pulse current.
在测量电流之前，施加一定时间周期的测试电压。
The test voltage is applied for a specified period of time before the resulting current is measured.
在规定的“保压”周期后，激励通道21，测量产生的电流。
After a specified "soak" period, energize Ch. 21 to measure the resulting current.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
交流电是其方向周期地变化的电流。
Alternating current is the current whose direction changes periodically.
本文考察和研究了脉冲电镀及周期换向电镀法中各项脉冲参数对钯-镍合金的镀层成份、电流效率的影响。
The effects of pulse and periodic current parameters on the composition of Pd -ni alloy deposit and on the current efficiency of the electrodeposition process have been studied.
阐述了长周期锌电积过程中金属离子杂质对电流效率和电锌质量等方面的影响。
The paper describes the impact of metal ions impurities on current efficiency and electrolytic zinc quality of long cycle electrowinning process.
降低测试时的漏电流对于延长需要周期性自测试的便携式系统电池寿命、提高测试的可靠性和降低测试成本都至关重要。
It is important to reduce leakage power to improve battery life in portable systems employing periodic self-test, to increase reliability of test and to reduce test-cost.
系统的扫描电流周期和调制器的主脉冲同步，可消除扫描均匀性中出现的拍频现象。
In the system the period of the scanning current is completely synchronized by the major pulse of the modulator in order to avoid the beat.
在细胞周期中，C1C - 3表达水平与细胞RVD能力及容积激活性氯电流水平呈反比。
C1C-3 expression level was negatively correlated to the RVD capacity and amplitude of the volume-activated chloride current in the cell cycle.
皮电流计算与测量结果在波形、振荡周期、衰减规律等方面有较好的一致性。
There a good coincidence in the calculation of shield layer current and measuring results in the aspect of waveform, oscillating circle and attenuation law.
可控硅控制的一半施加到其的交流电流的正周期。
The SCR controls half of the positive cycle of alternating current applied to it.
通过调节电流密度，方波周期和通电次数等可获得预期色调的着色膜。
Oxide film in the expected tone of such color can be obtained by controlling current density, square—wave cycle period and number of the repetition cycles.
该系统以弧长作为操作量，改变每个周期的脉冲峰值电流的宽度，以达到对焊接弧长控制的目的。
The arc length was taken as the manipulated quantity in the system and the peak current width of welding pulse was varied.
通过减小栅极电路的电阻，栅极电流达到5毫安越早，和SCR之前在AC周期闪光。
By reducing the resistance of gate-circuit, the gate current reaches 5 mA sooner, and the SCR fires earlier in the ac cycle.
施加的压力电极提示，通过目前的流动，拥有部分焊在亲密接触之前，期间和之后的焊接电流的时间周期。
The pressure exerted by the electrode tips, through which the current flows, holds the parts to be welded in intimate contact before, during, and after the welding current time cycle.
该方法以电网电压为同步信号，在电网电压信号的过零点采样直流侧电容电压，并通过周期离散控制可以获得负荷电流有功分量。
The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
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。
A new method of current decomposition is proposed for single-phase circuit with periodical voltage and current.
通过切削叶轮缩小叶轮直径，改变离心泵实际性能，降低噪音和电机电流达到稳定长周期运转的目的。
The diameter of the impeller is reduced through cutting impeller to improve the factual performance, reduce noise and motor current, so that it can be run steadily for a long duration.
我们发现噪声可以破坏瞬时电流的周期性并削减长时平均电流的峰值。
We find that external noise can destroy the periodicity of the transient current and cancel the long-time average current peaks.
我们发现噪声可以破坏瞬时电流的周期性并削减长时平均电流的峰值。
We find that external noise can destroy the periodicity of the transient current and cancel the long-time average current peaks.
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