The lamp dimming can be done through this feedback loop or, by setting the reference DC level of the input of error amplifier.

灯管的亮度能够通过反馈回路，或者设置误差放大器输入端的参考端直流电平来调整。

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LED light-bulbs (patent number:)5, DC 12 V and 24 V LED flat light-emitting lamp panel solar PV system is the preferred source.

LED调光灯泡（专利号：）5，直流12伏和24伏的LED平面发光灯盘是太阳能光伏发电系统的首选光源。

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Preferably, both electrodes operate on a DC or AC power supply, preferably a battery, while the discharge lamp operates in the second mode of operation.

优选地，两个电极在DC或AC电源下运行，优选为在电池下运行，同时放电灯运行在第二操作模式。

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