High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.

通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。

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The load is supplied with bypass AC power via the static switch.

负载提供交流电源通过旁路静态开关。

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It can provide all kinds of ac, dc power, and is convenient for the test to check switch equipment is normal or not, improve work efficiency.

它能提供各种交、直流电源，便于对开关柜的检测，以检查设备正常与否，提高工作效率。

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Toward the right, you've got the USB type B connector that runs to your laptop, the AC adapter jack, and the master power switch.

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