Obtain 0-433V voltage with three regulator star connections
Source:lai832
2023-07-03 02:00:31
18
As shown in the figure, by connecting three regulators TA1, TA2, TA3 into star connection, the voltage regulation range can be expanded and 433V voltage can be obtained. Connect the X1, X2, X3 terminals of the three regulators, A1, A2, A3 terminals are connected to the L1, L2, L3 phases of 380V power supply respectively, and 433V is obtained at the output Q1 and Q2 or Q2 or Q3 ends. However, this connection requires three-phase voltage balance, and the models and specifications of TA1, TA2 and TA3 must be the same.
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