Transient stability improvement in power system using unified power flow controller (UPFC)

Flexible AC Transmission Systems (FACTS) technology
is the most advanced tool for power flow control in
electric network. Unified Power Flow Controller
(UPFC) is the most versatile FACTS device for
optimization and control of power flow in transmission
system. It is a voltage source converter based FACTS
controller for series and shunt compensation of the line
which controls the real and reactive power
independently. This paper deals with Adaptive Neuro
Fuzzy Inference System (ANFIS) is used as the
controlling technique for UPFC. The controller have
been designed and tested for controlling the real and
reactive power flow of UPFC. Computer simulation by
MATLAB/SIMULINK has been used to verify
proposed control strategies.