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。
The paper introduced the effect of neutral wire the harm of open circuit and a kind of simple credible open circuit protection method.
介绍了在三相四线制供电系统中,中线的作用,断线的危害,以及一种简单可靠的断线保护电路。
It is based on utilizing the conception of the driving-point impedance and the method of open-circuiting and short-circuiting in order to eliminate some troublesome circuit element.
应用策动点阻抗的概念和开路—短路方法消除某些电路元件从而简化电路分析。
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。
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。
On the basis of three-phase inverting circuit, this paper describes how to make the control method of open loop system in closed loop system.
以三相逆变电路为基础,阐述了如何将开环系统的控制方法用于闭环系统,并且介绍了这种新的控制方法在实际中的应用,证明了该方法的有效性。
The method of this paper has the following characteristics: 1)any simple or complex fault can be modeled accurately, including metallic short circuit faults and open conductor faults;
这种方法的特点在于:①可精确地模拟各种简单故障和复杂故障,包括金属性短路和完全断相故障;
The concept oi R-type function and it's construction rules are presented. The general method solving the parameters of the open-circuit impedances or short-circuit admittances is also given.
本文提出了R型函数的概念及构造R型函数的规则,给出了求解开路阻抗或短路导纳参数的一般方法。
The concept oi R-type function and it's construction rules are presented. The general method solving the parameters of the open-circuit impedances or short-circuit admittances is also given.
本文提出了R型函数的概念及构造R型函数的规则,给出了求解开路阻抗或短路导纳参数的一般方法。
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