图6-1 : 功率Vs.频率特性 - Delta RPI H3A Operation And Installation Manual

Grid-tie transformerless solar inverter
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实功与虚功控制及低压穿越(非必要选项)
P
Pm
Gradient 40% Pm/Hz
0
Fstart(50,2Hz)
功率vs.频率曲线 (VDE-AR-N 4105)
P
Pimax
Gradient 83.3% Pimax/Hz
0
Fstart(50,3Hz)
功率vs.频率曲线 (CEI-021)
图6-1 : 功率vs.频率特性
6.2 虚功控制
使用者有以下四种虚功控制方式:
• 固定功率因数cosφ (VDE-AR-N 4105 ,CEI 0-21)
• displacement factor/active power characteristic curve cosφ(p)
  (VDE-AR-N 4105 ,CEI 0-21)
• 固定虚功量(Var)(CEI 0-21)
• 虚功 / 电压特性Q(U). (CEI 0-21)
78

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