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The Variable Frequency Transformer (VFT) is basically a controllable, bidirectional transmission device that can transfer power in-between asynchronous power system networks. The construction of VFT is similar to conventional asynchronous machines, where the two separate electrical networks are connected to the stator winding and the rotor winding, respectively. One power system is connected with...
Recently a variable frequency transformer (VFT) has been used as a flexible ac link between two power systems. It avoids both HVDC link and FACTS based power transmission control system. Basically, it is a rotating transformer whose torque and speed are adjusted to control the power transmission. In this paper, a simulated model of VFT is used as a controllable bidirectional power transmission device...
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