查询词典 voltage barrier

The article shows a new kind of power controller of micro-satellite. The controller is composed of charge control. Discharge control, shunt control and the equilibration circuit. The output voltage is stabilized by an automatic circuit controlled by the PWM signal, which is produced by comparing the sampling value of the output voltage with the reference voltage. The application indicates that the system which insured the safety property of Li-ion battery series runs stably as well as satisfied the need of the load no matter in what situation.

在我国航天用锂离子电池组控制电路研究相对落后的背景下，设计一了种新型的微小卫星电源控制器；该电源控制器包括充电、放电、分流和均衡保护部分，充电、放电、分流部分通过将母线电压的采样值与预设参考值比较产生PWM信号对制电路进行自动调节，均衡通过采样和处理器计算比较实现；实验结果表明，该控制器工作稳定，确保了锂离子电池组工作安全的同时，很好地满足了各种情况下母线负载的需求。

For a voltage selector switch , the test voltage is to be based on the highest rated voltage.

对电压选择器开关，测试电压用最高额定电压。

SB2015-3 Precision Decade DC Resistance Box adopts high voltage glass glaze resistors and special high voltage seal switch.Its electric performance is very stable and insulation intension is very high.The resistance value can be adjusted under the condition of ceaselessly opening voltage(Note:The using switch should not be at the point of 0.)It is easy to operate and suitable to be used to calibrate insulation resistance meter,and suitable to be used as high resistance standard.

SB2015-3型精密十进位直流电阻箱采用高压玻璃釉电阻器及独特的高压密封开关，电性能稳定可靠、绝缘强度高、可在不断开测试电压的条件下调节电阻值（正在使用的那只开关不处在&0&位置时）、操作方便，适用于检定/校准绝缘电阻表，也可作为高阻标准。

An appropriate synchronous step-down converter can supply the core voltage of a low-voltage, deep-submicron chip set, as well as the higher voltage to the I/O circuitry.

一台合适的同步整流型降压器可通过低压、亚微米芯片组提供核心电压，并可向输入/输出电路提供高频电压。

The whole system, which is powered by a single 5V power, supplies steady core voltage (1.8V) and I/O voltage (3.3V) with high-efficiency synchronous step-down dc/dc converter TPS54314 and TPS54316, presents a power supply sequencing solution for dual supply voltage DSPs and includes a supervisor on the power supplies and reset circuit in order to make the system more stable and efficient.

整个供电系统采用单一的5V电源供电，用高效率的同步电压转换芯片TPS54314和TPS54316芯片分别产生TMS320C6711B DSPs的内核电压（1.8V）和周边I/O接口电压(3.3V)，同时巧妙地解决了两种供电的顺序问题，并增设了电源监控和复位电路，确保供电系统稳定、高效地工作。

In other words, the method evaluates not only system voltage instability probability but also load curtailments to avoid system collapse that correspond to different voltage instability risk levels. The proposed method provides an effective tool to assess the voltage stability risk.

通过上述分析，不仅可以统计出系统的静态电压失稳概率，还可以得到为了避免电压失稳所对应的切负荷量期望值，由此为电压稳定风险评估提出了一条有效的途径。

Second, this paper introduces the design of hardware of the automatic voltage regulator of the generating system. The frequency-domain model of the voltage regulation system is established. Simulation and analyses on the model are done. The paper gives detailed analyses of the motors exciting current by the experiment of the voltage regulation system for the first time.

然后设计了发电调压器的硬件电路，建立了调压系统的频域模型并进行了仿真分析，对发电系统作了较为全面的实验，首次详细分析了励磁电流的变化规律，分析了实验结果，提出了调压器的改进。

Adopting micro electronic wholly high-voltage generater,no electrostatic induction.●Adopting digtial display,its output precision is enhanced.●Its high voltage and power supply voltage can be inverted automatically.●Adopting sund/light alarming with delay.no failure when hunting leak.

二、特点●采用微电子一体化高压发生器，克服静电现象；●采用数字显示，提高输出精度；●高压和电源电压能自动转换；●报警采用声光报警且能延时，克服了检漏时的检漏现象。

In peak time, the generator can adjust maximum of var even if the system voltage below wellformed voltage. In the low point, the bus voltage is high, and hold the admissible level.

在高峰负荷时段，即使系统电压低于合格水平，机组能按机组最大无功出力进行调节；在低谷时母线电压高又能深度进相运行；同时能保证厂用电电压水平在允许范围。

Ground parts: an overhead-type indicator by sampling ground capacitance transient current in the first half-wave and ground transient voltage in the first half-wave, to compare their phase, when the sampling ground capacitance transient current mutation and more than a certain value, and the instantaneous voltage and grounding The first-phase half-wave, while wire-to-ground voltage is reduced, then the judge circuit grounding occurred.

接地部分：架空型指示器通过采样接地瞬间的电容电流首半波与接地瞬间的电压首半波，比较其相位，当采样接地瞬间的电容电流突变且大于一定数值，并且与接地瞬间的电压首半波同相，同时导线对地电压降低，则判断线路发生接地。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。