英语翻译According to the detailed circuit analyses in [17],the voltage gain ( V G ) of the high step-up converter and the corresponding switch voltage ( DS v ) can be represented as ) where D is the duty cycle of the switch (Q).Because the voltag

英语翻译According to the detailed circuit analyses in [17],the voltage gain ( V G ) of the high step-up converter and the corresponding switch voltage ( DS v ) can be represented as ) where D is the duty cycle of the switch (Q).Because the voltag
英语翻译
According to the detailed circuit analyses in [17],the voltage gain ( V G ) of the high step-up converter and the corresponding switch voltage ( DS v ) can be represented as ) where D is the duty cycle of the switch (Q).Because the voltage gain ( V G ) is less sensitive to the coupling coefficient (k),(4) and (5) can be rewritten with k = 1 as/ (2 )/(1 ) V d pv G =V V = + n D (5)/(1 ) DS pv v = V D (6)According to (5) and (6),one can obtain /( 2) DS d v =V n + (7) By analyzing (7),the switch voltage ( DS v ) is not related to the input power source ( pv V ) and the switch duty cycle (D) if the values of the output voltage ( d V ) and the turns ratio (n) are fixed.Thus,it can ensure that the maximum sustainable voltage of the switch (Q) is constant.As long as the input voltage is not higher than the switch voltage rating,the high step-up converter can be applied well to low-voltage PV power sources even with large voltage variations.

英语翻译According to the detailed circuit analyses in [17],the voltage gain ( V G ) of the high step-up converter and the corresponding switch voltage ( DS v ) can be represented as ) where D is the duty cycle of the switch (Q).Because the voltag
摘要在详细分析了在电路[17],电压增益(V G)的高step-up转换器和相应的开关电压(DS)可以表现为V ),D是责任周期的开关(Q).由于电压增益(V G)是较不敏感的耦合系数(k)、(四)、(五)可以改写与k = 1 /(2)/(1)V d pv G = V V = + nd(5)/(1)DS pv V = Vd(6)根据(五)、(六),就可以得到/(2)DS d v = v n +(7)通过分析(7),这个开关电压(v)是不相关的DS输入功率源(pv(五)和交换器的责任周期(d)如果值输出电压(d v)和转率(n)是固定的.因此,它可以确保最大的持续电压开关(Q)是不变的.只要输入电压不高于开关电压等级,高step-up转换器可推广应用于低压光伏电源都做的很好,即使有大的电压