A major difficulty of underground AC transmission lines results from a continuous flow of ″ charging current ″ between the conductor and the sheath. 地下交流输电线路的一个主要难题由电缆导线与电缆外皮间持续流动的充电电流所引起。
After the battery voltage reaches its final value and remains constant, the charging current is further reduced. 在电池电压尚未到达饱和之前,充电电流便开始减小;
It limits the charging current of each capacitor and also protects the relays in case a capacitor becomes short-circuited. 它限制每个电容器的充电电流,并在电容器发生短路时保护继电器。
New fast charging system controlled by battery charging current acceptance 一种新型快速充电体制的研究:以充电电流接受力控制的充电
Breaking and closing ring closure current of load switch, charging current of non-load transformer and cable, composite apparatus can break till any current of rated short circuit current. 负荷开磁分合仙、闭环电流、空载变压器和电缆充电电流,组合电器可以开断直至额定短路电流的任何电流。
Intelligent battery charging, the charging current can be adjusted according to the equipped battery, it is fast and reliable and can increase the service life of the battery. 智能充电,可根据配置电池的大小调整充电电流的大小,快捷可靠且又能提高电池的寿命。
By using the single diagonal connection and its combination a good homogeneous degree of charging current can be gained. 分析了槽化成的连接与充电电流的均匀性,单对角连接及其组合体能获得好的充电电流的均匀度。
Factors influencing charging current and the calculation method of allowed maximum charging current are also analyzed. 分析了影响电池充电电流的因素及其最大允许充电电流的计算方法。
Based on the charging design of time series with two stages and testing study, the quantitative fitting relationship, which charging current related respectively with actual capacitance of carbon-based supercapacitor, available storage energy and charging efficiency, was analyzed. 通过两阶段充电时间序列设计与试验研究,分析充电电流分别与碳基超级电容器的实际电容量、有效储能量和充电效率之间的定量拟合关系。
Series resonant topology is used in capacitor charging power supply ( CCPS) because of its constant average charging current characteristic from zero volts to maximum voltage. 软开关串联谐振电容器拓扑因其在较宽的电压范围内具有平均充电电流恒定和抗短路能力强的特点而用于对高压电容器充电。
It can also correct the measuring deviation caused by the charging current of the capacitance of electric double layer. 对双电层电容充电电流引起的测量误差作了修正。
The charging current and period can be programmed by user to provide friendly interface. 对充电电流、充电时间等参数,本文采用用户可设置的形式,为用户提供了友好的使用界面。
Because of using the intelligent fuzzy charge algorithm, it can give different charging current depends on voltage, capacity and temperature of battery. 整个充电器系统能够达到6-8小时之内快速且均匀充电的目的。且因为采用模糊充电法能够适当依电池电压、电量和温度的不同,给予不同程度的充电电流;
To explain the lightning eliminating mechanism simulation tests were carried out which reveal that the dissipating current will cut down the net charging current inside a thundercloud, slow down the rising speed of voltage and reduce the cloud voltage value so as to prevent from lightning strokes. 为探索消雷机理用体积电荷雷云进行了模拟试验。结果表明,消散电流对雷云净起电电流的削减将减缓雷云电压的上升速度并减低雷云电压数值,从而实现消雷。
The finally charged voltage is proportional to the total quantity of charging current pulses, while the average charging current is proportional to the switching frequency. 最终充电电压和充电电流的大小由微处理器控制,前者正比于充电电流脉冲的总个数,后者则正比于开关工作频率。
Based on the result of NiMH battery performance experiments, changing trend of maximal temperature and difference in temperature of HEV NiMH battery in different SOC and different charging current is analyzed. 基于镍氢电池性能实验结果,分析了轻度HEV用镍氢电池在不同SOC情况下不同充电电流的最高温度、温差变化趋势。
The connection method in tank formation for lead-acid batteries and homogeneous charging current 铅蓄电池槽化成的连接与充电电流的均匀度
Regulating and Running of the Floating Charging Current of Cadmium-Nickel Battery 镉镍电池浮充电流的调整与运行
Discussion of definition of the largest acceptable charging current for lead-acid battery& A regeneration braking method for electric vehicle 铅酸蓄电池最大可充电流的定义探讨&一种适合于电动汽车回馈制动应用的方法
Simulation results show that by use of APFC technology the harmonics and reactive current in charging current of DVR can be actively eliminated and both voltage stability and dynamic response of DC energy storage unit can be improved. 仿真结果表明采用APFC技术能够主动消除DVR充电电流中的谐波和无功电流,提高储能单元的电压稳定性和动态响应性能。
The damage size increases with increase of charging current density, but not so apparent at higher current density. 随电流密度增加,氢损伤尺寸增大,但当电流密度较大时,这种增大不明显。
In addition, different polarity of the charging current has different impact on MOSFET threshold voltage. 另外,在研究过程中本文还发现不同方向的充电电流对晶体管的阈值电压有不同的影响。
As a device to restrain the operating over voltage and unloaded over voltage and counteract capacitive character charging current in long transmission lines, inductor play an important role in the safety and stability of the whole electric power system. 电抗器作为限制电力系统的操作过电压和空载过电压、抵消高压输电线路的容性充电电流的重要设备,对电力系统的安全稳定运行起着至关重要的作用。
Besides, user can program the charging current and the period, so it provides more flexibility. 此外,用户可以直接设定充电时的充电时间和充电电流,实现了与用户的交互式管理。
The changing characteristics of the solar radiation, charging current, charging voltage and charging intensity during the process have been studied. 本文首先采用压控法对光伏驱动蓄电池充电特性进行实验研究,考察了充电过程中太阳辐射强度、充电电流、充电电压以及充电功率的变化特性。
An adaptive on-time control buck controller is presented. The techniques of input feedforward and output feedback are adopted to solve the problem of switching frequency variation in COT control. By using the charging current compensation circuit, the linearization of on-time with input voltage is realized. 设计了一种自适应开启时间的Buck型控制器,基于输入电压前馈和输出电压反馈技术来解决COT控制开关频率变化的问题,利用充电电流补偿电路,实现了输入电压与开启时间的线性化。
An advantage of this technology is that the SECM measurements are carried out under steady-state conditions, so that the complication caused by ohmic potential drop and charging current can be overcome, therefore, the reliability of the data was strengthened. SECM的优势是在稳态条件下测量,可以克服双电层电流和电势降,从而提高测定数据的准确性和可靠性。
Current limiting charging is the constant current charging. Charging current PI loop is added in the double loop of traditional predictive current, then three closed-loop control is formed, which are current outer loop of main circuit, DC voltage inner loop and charging current inner loop. 限流充电为恒流充电,在传统预测电流控制策略的双闭环基础上添加充电电流PI环形成三闭环控制,即主电路电流外环、直流电压PI内环和充电电流PI内环。
Using the decentralized arrangement of charging stations to solve the capacity shortage of supercapacitor, reducing the energy consumption when AGV in the charge en route, there is a high application value in develop supercapacitor with high-rate charging current. 采用分散布置的充电站对解决超级电容的容量不足、减少AGV在充电途中的能量消耗以及发挥超级电容高倍率大电流充电的优势有较高的应用价值。
In this paper, the fuzzy logic algorithm is used to control the charging current of the charger to make sure it follow the changes in the acceptable charging current. 仿真研究中,采用模糊逻辑算法控制充电器的充电电流,使锂电池组的充电电流跟随其可接受的充电电流变化,以减少充电时间。