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三相DG隔离和三相DOG自耦变压器
三相SG隔离变压器和三相SOG自耦变压器，输入电压和输出电压小于1000V，三相SG隔离变压器的额定功率从500VA到400KVA，三相自耦变压器的功率从1KVA到800KVA.接线方式可选用引线出、原铜线出、端子、铜锣丝接线。广泛应用于进出口设备三相电源、安全隔离电源、升降压电源、检测系统电源、各种机械电源等等。

基本参数
输入电压：440V,420V,400V,380V,220V,110V
输出电压：380V,220V,200V,190V,120V,110V,100V
功率：三相隔离变压器500VA-400KVA
      三相自耦变压器1KVA-800KVA
频率：50-60Hz
隔离等级：E级,120℃
环境温度：-10℃ to 40℃
效率≥90%
冷却方式：自然风干，干式
绕组材料：一般采用铜线，如有特殊要求，可采用铝线
标准：IEC60076，IEC61558

三相隔离和自耦变压器的应用：
三相隔离和自耦变压器广泛应用于进出口设备三相电源、安全隔离电源、升降压电源、检测系统电源、UPS电源、整流装置、照明、机床电器、机械电子设备、医疗设备、等各种机械电源

功能特点：
1) 安全、防火、无污染，可直接运行于负荷中心。
2) 采用德国HTT技术，机械强度高，抗短路能力强，局部放电小，热稳定性好，可靠性高，使用寿命长。
3) 低损耗、低噪音，节能效果明显.
4) 散热性能好，过负载能力强，强迫风冷时可提高容量运行。
5) 防潮性能好，适应高湿度和其它恶劣环境中运行。
6) 体积小，重量轻，占地空间少，安装费用低。

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