请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。
Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground.
而实际上,直流侧含滤波电容的整流电路也是污染严重的谐波源。
In fact, the rectified circuit with filter condenser in the direct current side is also the serious pollution source of the harmonics.
有源滤波器能否按其工作原理实现预期的谐波抑制效果,除了主电路设计合理之外,在很大程度上还依赖于保持直流侧电压的恒定。
Whether the hybrid active power filter could get desirable effects of harmonic suppression depends on the constancy of DC-side voltage besides the correct design of the main circuit.
该系统是双馈发电机转子侧的变流器控制电路,虽然不是很完善,有一定得参考价值。
The system is doubly-fed generator rotor side converter control circuit, although not perfect, there must be reference value.
采用新型的连续导通模式(CCM) PF C控制器ice1pcs01,实现了对网侧的PF C控制,具有电路结构简洁、控制调整方便等优点。
ICE1PCS01, the novel continuous conduction mode (CCM) PFC controller, is used for PFC controlling with the considerable merits of succinct circuit structure and easy to adjust control parameters.
提出了一种新的有源电子式电流互感器的高压侧电路设计方案。
A new design scheme of circuit design for high voltage side of active electronic current transducer is proposed.
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%.
这是双馈电机空载情况下,转子侧变流器的控制电路。
This is a doubly-fed machine no-load cases, the rotor side converter control circuit.
直流侧纹波消除电路是基于直流线路中纹波的直接再注入原理而设计。
The circuits of dc-side ripple reduction are based on direct reinjection of the ripple in series with the dc line.
在基于对等效电流源电路模型分析的基础上,推导出了单相单位功率因数变流器输出电流二次谐波的计算公式,将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
采用哪种类型的器件取决于要实现的功能和器件输入和输出侧功率电路的特性。
Which type or types of devices are to be used depends on the functions desired and the characteristics of the power circuits on the input and output sided of the devices.
高电压电平漂移电路允许低压逻辑信号来驱动的IGBT在高达1200V一种操作高侧配置。
High voltage level-shift circuitry allows low voltage logic signals to drive IGBTs in a high side configuration operating up to 1200V.
随后利用电路理论对这种变压器的各种相间短路故障进行了分析,得到了各种故障情况下变压器高低压侧各相电流间的关系。
The relations between the currents of all phases and at both sides are drawn out by applying circuit theories and analyzing different inter phase short circuit faults of this kind transformer.
为了限制逆变器桥臂直通短路时故障电流的上升率,可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
有源电子式互感器的数据采集电路处于高压侧,对电路的设计提出了特殊的要求。
The data sampling system of active electronic transducers is at the high potential side, there is a demand for special circuit design.
本发明公开了一种包括电介质谐振器的电介质天线,其所述电介质谐振器安装成与在印刷电路板一侧上所形成的微带传输线直接接触。
There is disclosed a dielectric antenna comprising a dielectric resonator mounted in direct contact with a microstrip transmission line formed on one side of a printed circuit board.
一种不加厚断开器壳体,能提高负荷侧端子的功能的电路断开器。
The invention relates to a circuit decoupler which does not thicken a decoupler casing and can improve the function of a load side terminal.
通过仿真和电路试验证明,该滤波电路能将电流畸变率由原来的30.53%降低到9.45%,从而使交流侧的电流接近正弦波。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
在软交换网络体系中,IP中继媒体网关完成电路交换网侧与IP分组网络侧媒体流的转换,同信令网关一起完成电路交换网与IP网络的互通。
Trunking Media Gateway transmits media stream between IP and circuit switching networks, implements interworking of IP and circuit switching networks with signaling gateway in Softswitch network.
主电路参数主要有交流输入侧电感值、直流输出侧电容值、给定的直流输出侧电压等。
The main circuit parameters mainly contain AC-side input inductor, DC-side output capacitor, given output voltage of the DC-side.
下为高侧和低侧输出电压闭锁电路内部防止IX 2120 B从分立功率IGBT转动,直到有足够的栅极电压。
Internal under voltage lockout circuitry for both the high side and low side outputs prevents the IX2120B from turning on the discrete power IGBTs until there is sufficient gate voltage.
采用这种技术时,电路板的元件侧专用于接地层,信号走线则布设在焊接侧。
In this technique, the component side of the board is dedicated to the ground plane, and signal traces are placed on the solder side.
电路板相反两侧上的走线必须彼此垂直,这样有助于减小电路板上的馈通效应。
Traces on opposite sides of the board must run at right angles to each other. This reduces the effects of feedthrough on the board.
仿真和实验结果表明该系统能够有效抑制三相整流电路交流侧输入电流的谐波,降低输出电压纹波,减小整机体积。
The simulation and experimental results show that this system can restrain harmonics of three-phase rectifier of AC-side input current, reduce the output voltage ripple and decrease the volume.
将柔性印刷电路(4)固定在固定板(6)上的胶粘剂片(5)在其多孔基材的至少一侧具有压敏胶粘剂层。
The adhesive sheet (5) for fixing the flexible printed wiring board (4) to the fixing sheet (6) has a pressure-sensitive layer at least on one side of its porous base.
当由扫描线驱动电路转换扫描线的电位时,扫描线辅助电路工作,而从扫描线的相对侧驱动扫描线。
When a potential of the scan line is switched by the scan line driver circuit, the scan line auxiliary circuit operates so that the scan line is driven from its opposite ends.
所述的插卡槽的一侧设有一组微型摄像单元, 该微型摄像单元接于检测电路上。
Setup at one side of the slot, fine type camera unit is connected to the detection unit.
所述的插卡槽的一侧设有一组微型摄像单元,该微型摄像单元接于检测电路上。
One side of the card inserting groove is provided with a set of miniature camera shot units, which is connected to the examining circuit.
所述的插卡槽的一侧设有一组微型摄像单元,该微型摄像单元接于检测电路上。
One side of the card inserting groove is provided with a set of miniature camera shot units, which is connected to the examining circuit.
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