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Aim at this problem,it is proposed that the electrostatic precipitator should translate single spark track control mode with high-power and high energy expenditure under the condition of big current presently into energy saving control mode with high-voltage and low-current for high dust efficiency and low ene...

提出了应该由目前的高电流的"大功率高能耗"单一火花跟踪控制模式转变为高电压低电流的节能控制模式，在提高除尘效率的同时降低电能消耗，同时给出了节能控制策略和系统结构框图。

USB port power supply shortage, the use of USB extension cable or connecting computers front USB ports, only provide lower current electricity, computers in low-current conditions can be detected by equipment, but we may not be able to maintain high-speed communications.

USB端口供电不足，使用USB延长线或者连接电脑前置USB端口，只提供较低电流的供电，计算机在低电流状况下可以检测到设备，但可能无法维持高速通讯。

An internal amplifier automatically adjusts the current channel gain to compensate for low-current channel-signal levels.

MAXQ3183和三相/3线以及三线/4线兼容，单电源3.3V 工作，典型低功耗为35mW。

Relative study indicate that current doubler rectifier is misfit for high-voltage low-current apply.so This paper proposes a auxiliary net ZVS PWM full-bridge three-level converter, its" improved topology structure and its"topology family in different controlling mode. The principle of these converter is analyzed in detail. Simulation results verify the effectiveness of the proposed converter.

为了进一步简化辅助网络的结构，并解决轻载时，超前桥臂实现软开关困难的问题，提出了一种新型宽负载范围辅助电感ZVS PWM三电平全桥直流变换器，它在基本拓扑结构的基础上只需增加一个辅助电感，利用辅助电感的能量就可以实现宽负载范围内所有开关管的软开关，详细分析了该变换器的工作原理，进行了参数设计和仿真验证。

We have traced the previous corresponding production records and found that Qualcomm 50A fuse current time was 60-65 minutes, which have complied to the current IEC2/5 Standard (60-80 minutes), and the "Time Fuse" has reached at the Lower Control Limit area.

我们追查之前相应生产记录，发现通50A电流时熔断时间为60-65分钟，都能满足标准（60-80分钟）要求，但熔断时间偏近下限值。

Compensate current sources are added to the tail current transistors of each dummy input differential pairs for lower gm variation.

低电压、高共模输入范围使电路适应不同的共模偏置，并满足模拟与数字混合集成电路的应用需要。

Next, the following points are emphasized:(1) The design of photoelectric conversion preamplifier circuit. In order to improve the measurement accuracy of luminometer and ensure linear relationship of the photoelectric, operational amplifiers is designed as current-voltage converter form, on the one hand, it is available to zero-load effect; on the other hand, short-circuit current can be transformed into a voltage volume through the feedback resistor, it is equivalent to voltage drop flowed through a load resistor on the actual effect.

其次，本文重点做了以下工作：(1)光电转换前置放大电路的设计：为了提高照度计的测量准确度，确保光电间的线性关系，本设计把运算放大器接成电流电压变换器的形式，一方面可得到零负载效应；另一方面，短路电流通过反馈电阻变成电压量，实际效果相当于流过一个负载电阻形成的压降。

This kind of system utilizes a new current-sharing scheme which amazingly bases on magnetic amplifier and average current-sharing method.The whole design of the modulized electroplating power system is discussed. The power section of the system is made up of a few power modules, and the control section is a simple and common PWM controller with compensation network.

随着开关电源输出电流的日益增加，由多个电源模块并联替代单个大电流模块输出大电流的优势也越来越明显，灵活而且经济的分布式电源系统已经成为电镀电源系统之趋势，而其中的电源模块电流平衡成为技术关键之一。

By using the hybrid-sensitivity scheme, a H〓 controller is devised and H〓 control in the new MB system is compared with that of PID control. The standard bi-state magnetic bearing amplifier have some disadvantages such as high current harmonics, low reliability and the current mode switching for tri-state amplifier is expounded.

首次将H〓鲁棒控制策略应用于集成化磁轴承系统，详细论述了H〓控制器的设计过程，并与经典PID控制策略进行了比较，表明了H〓控制器优良的抗干扰能力和稳定的鲁棒性。

The current equations are derived and the effect of the magnetic field on the current is discussed.

同时讨论了部分游离的等离子体中的电流、扩散和热扩散对电流的影响以及磁场对扩散的影响。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。