An analog maximum power point tracking (MPPT) controller integrated circuit (IC) based on open-circuit voltage method was proposed to enhance the photovoltaic conversion efficiency of solar cell.
为提高光伏电池的光电转换效率，设计一种基于开路电压法的光伏电池最大功率点跟踪(MPPT)控制芯片。
Temperature control circuit, in the case of low water temperature, can cut off the drive power protection device, in the case of high water temperature, open the cooling fan cooling.
水温控制电路，能在水温低的情况下，能切断驱动电源保护装置，在水温高的情况下，开启散热风扇散热。
Calculations of power net tide and short circuit have obtained basic methods of developing to contrapose open or close net.
供电网潮流计算、短路电流计算分别针对开式电网和闭式电网，给出了开发的基本方法。
Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.
电源及能调节交流或直流电流在期望值的5%之内的，控制开路电压到最大20毫伏的路。
The faults including short circuit, open circuit in power transistors and phasefault in Hall sensors are simulated and performance waveforms relevant to different faults are obtained.
针对逆变桥功率开关管短路、开路及霍尔传感器缺相等故障进行了仿真，得到了相应的特征波形。
Setting open-circuit frequency and voltage algorithm for steady-state control power flow .
稳态控制潮流的设定空载频率及空载电压算法。
Notes: (1) the Standby (pin 3) has an internal pull-up, and if it is left open circuit the module will operate when input power is applied.
注：(1)待机(引脚3)有一个内部上拉，如果是左开路模块将输入功率运行时应用。
A simple method for calculating maximum open-circuit potential was presented when power system was in the non-full phases and swings operation.
提出了计算电力系统非全相振荡时最大断口电势的简便方法。
Power supply are not afraid of open circuit, short circuit, faulty shutdown, fault alarm functions.
电源不怕开路、短路、有故障关机、故障报警的功能。
Firstly, this paper shows a method to detective the open circuit loss and the load loss of the there-phase power transformer online by operating the real-time voltage and current of the transformer.
首先，本文对三相电力变压器空载损耗、负载损耗在线检测理论进行了讨论和分析。
Open-control module and power convert module are added to the 5756 panel of 5700 surface system, while the open-close convert circuit being added to 3106 MSFL tool circuit.
对5700地面系统5756面板增加了收张腿控制模块、电源转换模块，在3106电子线路中增加了收张腿转换电路。
Open-control module and power convert module are added to the 5756 panel of 5700 surface system, while the open-close convert circuit being added to 3106 MSFL tool circuit.
对5700地面系统5756面板增加了收张腿控制模块、电源转换模块，在3106电子线路中增加了收张腿转换电路。
应用推荐