φ=0.65,tgφ=1.17Р Pjs=0.2×5.5=1.1kWР Qjs=Pjs×tgφ=1.1×1.17=1.29kvarР (10)、塔式起重机Р Kx=0.7,Cosφ=0.65,tgφ=1.17Р 将Jc=40%统一换算到Jc1 =25%的额定容量Р Pn=81.5kWР Pe=n×(Jc/Jc1)1/2×Pn =1×(0.4/0.25)1/2×81.5=103.09 kWР Pjs=Kx×Pe=0.7×103.09=72.16kWР Qjs=Pjs×tgφ=72.16×1.17=84.37kvarР (11)、木工圆锯Р Kx=0.65,Cosφ=0.6,tgφ=1.33Р Pjs=0.65×12=7.8kWР Qjs=Pjs×tgφ=7.8×1.33=10.4kvarР (12)、插入式振动器Р Kx=0.3,Cosφ=0.7,tgφ=1.02Р Pjs=0.3×5.5=1.65kWР Qjs=Pjs×tgφ=1.65×1.02=1.68kvarР (13)、平板式振动器Р Kx=0.3,Cosφ=0.7,tgφ=1.02Р Pjs=0.3×4.4=1.32kWР Qjs=Pjs×tgφ=1.32×1.02=1.35kvarР (14)、高压汞灯Р Kx=0.6,Cosφ=0.7,tgφ=1.02Р Pjs=0.6×1×1.1=0.66kWР Qjs=Pjs×tgφ=0.66×1.02=0.67kvarР (15)、碘钨灯Р Kx=0.6,Cosφ=0.6,tgφ=1.33Р Pjs=0.6×4×1=2.4kWР Qjs=Pjs×tgφ=2.4×1.33=3.2kvarР (16)、荧光灯Р Kx=0.75,Cosφ=0.85,tgφ=0.62Р Pjs=0.75×1.2×1.2=1.08kWР Qjs=Pjs×tgφ=1.08×0.62=0.67kvar
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