Built-in surge protection, lighting protection and other protection Settings, reliable and stable, making working system safer and more reliable.

内置抗浪涌，防雷击等防护装置，可靠稳定，令系统工作更安全可靠。

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Password protection prevents unauthorized changes to system Settings, and multilanguage menus accommodate English, French, German, Dutch, Italian, Polish, and Spanish speakers.

密码保护能防止未经授权的更改系统设置，它还有多语言菜单，包括英语，法语，德语，荷兰语，意大利语，波兰语，和西班牙语。

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The major function and features of the calculating program for Settings of zero sequence current protection of Hubei power system were described.

介绍了湖北电网零序电流保护整定计算程序的主要功能和特点。

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