LED功耗consumptions75W系统功耗SystemConsumptions86WLED初始光通量LEDinitialfluxWWPWCW 6150Lm6375Lm6225Lm功率因数Powerfactor＞0.98总谐波失真Totalhamornicaldistortion 9%电源效率Powereffciency＞82%灯具效率Powereffciency＞91%安装高度installationheight6M8M10M平均照度Averageilluminance＞51lux＞25.8lux＞13.6lux光斑面积llluminanceArea￠9.5M￠15.5M￠19M照度均匀度llluminanceUniformity＞0.4