800kVA UPS Topology & Load Sharing Control Algorithm - Technova
800kVA UPS Topology & Load Sharing Control Algorithm


 

Test result (1+1 multi-module system)


       CH4-System Voltage                    CH3-MOD#1scope_6

Nonload

THDu=0.39%/0.36%/0.35%  

Circulating current=4.44A


 scope_8


100kVA rectifier load (Acf=3)

THDu=1.62%/1.59%/1.56%

Current Unbalance Degree =0.72%




Current CH2-MOD#2 Current

scope_7


100% resistive load

THDu=0.45%/0.50%/0.37%

Current Unbalance Degree =1.53%

 scope_9


100% standard rectifier

THDu=1.34%/1.20%/1.31%

Current Unbalance Degree =1.12%


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