å(kW_LGTi,PRE*NLGTi,PRE*LFi,PRE*OPHRi,PRE)yr – å(kW_LGTi,POST*NLGTi,POST*LFi,POST*OPHRi,POST)yr
Where
i is the effective zone of building
å(kW_LGTi,PRE*NLGTi,PRE*LFPRE*OPHRi,PRE)yr = [kW_LGT1,PRE*NLGT1,PRE*LF1*hr1/day *day1/wk + …. + kW_LGTi,PRE*NLGTi,PRE*LFi*hri/day*dayi/wk]*52
å(kW_LGTi,POST*NLGTi,POST *LFPOST*OPHRi,POST)yr = [kW_LGT1,POST*NLGT1,POST*LF1* hr1/day*day1/wk + …. + kW_LGTi,POST*NLGTi,POST*LFi*hri/day*dayi/wk]*52
LFi = 1 for ON/OFF control under normal operating time of premises
LFi = (1 – 0.33*0.33) = 0.9 for 33% of power reduction (dim-down to 50% lux level) at 33% of time as an example
請點擊此處查看術語清單。(只提供英文版)
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