高压计量箱使用条件：

Conditions for the use of high pressure metering box:

1、适用于频率为50Ｈz的10KV或6KV三相交流电力系统中。

1. It is suitable for 10KV or 6KV three-phase AC power system with frequency of 50Hz.

2、环境温度：-20至+40度。

2, ambient temperature: -20 to +40 degrees.

3、周围无严重影响电气绝缘的污秽或爆炸性、浸蚀性介质。

3, there is no serious influence on the contamination or explosive or erosion medium of electrical insulation.

额定负荷：电压互感器的额定二次负荷为20VA；电流互感器的额定二次负荷为10VA；负荷的功率数为0.8。

Rated load: the rated two load of the voltage transformer is 20VA; the rated two load of the current transformer is 10VA; the power number of the load is 0.8.

工作耐压水平：变压器油耐压≥40KV。10KV电能计量箱高压导电部位对低压导电部位和对地之间能经受1min工频耐压试验，试验电压30KV，6KV电能计量箱试验电压为23KV。

Working voltage level: transformer oil pressure is greater than or equal to 40KV. The high voltage conductive part of the 10KV electric energy metering box can withstand 1min power frequency withstand voltage test between the low voltage conductive parts and the ground. The test voltage 30KV and 6KV electric energy metering box is 23KV.