1) Why Isolation Transformers? 为什么需要隔离变压器? 2) What is K-Factor? K系数是什么? 3) What is K-Factor Rated Transformers? 什么是K系数级别变压器? 4) Why is K-Factor transformers are necessary? 为什么需要采用K系数变压器? 5) What is Harmonic Mitigating Dzn0 Zigzag Transformers? 什么是具有抑制谐波的Dzn0 Zigzag变压器? 6) Why are copper wound transformers are better than aluminum wound transformers ? 为什么铜绕组变压器比铝绕组变压器好? 7) Why transformer low inrush is important in UPS systems? 为什么变压器的低合闸浪涌在UPS系统中非常重要? 8) Why enameled copper conductor is better than fiber glass wrapped copper conductor? 为什么漆包铜导线比丝包铜导线好?