应该是120w传统灯 Equivalent brightness亮度;还有Active LED的阻抗不是线性的
所以准确测试功耗应该是在正常工作时候测试电流电压。
亮度是Lumens
比如一个LED的电灯泡参数是:
- Brightness: 1,500 Lumens
- Life hours: 1,0000 hours (based on 3 hours/day)
- Light appearance: 5,000K (daylight)
- Energy used: 14-Watt (equivalent to a 100-Watt standard incandescent light bulb)
