Based on the three-phase grid-connected photovoltaic inverter,the anti-island protection strategy was discussed. In order to reduce the non-detection zone(NDZ),a new frequency drift with voltage drift technique was proposed.
基于三相光伏并网逆变器论述了反孤岛效应策略,同时,为了进一步缩小不可检测区(NDZ)的范围,提出了一种正反馈频率偏移法与正反馈电压偏移法相结合的孤岛检测方法,并阐述了该方法的原理。
参考来源 - 一种新的三相光伏并网系统孤岛检测方法·2,447,543篇论文数据，部分数据来源于NoteExpress
To design and manufacture a constant-source with adjustable amplitude value and the test system, and to realize the examination of zener diode voltage drift parameter, is very important.
设计制作出一个幅值可调的恒流源及其测试系统，实现稳压二极管电压漂移参数的检测，至关重要。
The new structure features high breakdown voltage, low on-resistance , and charge balance in the drift region.
结果表明这种结构具有高的击穿电压、低的导通电阻和漂移区中电荷平衡的特点。
Temperature drift with different grid voltage is different, too.
不同的栅极电压下的温度漂移也不相同。
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