Voltage stability index improvement system by optimal placement of STATCOM in distributed systems
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Abstract
To provide the needed load, an interlinked radial distribution network includes a high amount
of nodes and branchings. In the context of Pakistan, increased electrical demand places
excessive stress on the radial distribution network, affecting the overall network's
performance and potentially leading to voltage collapse; hence, it is desirable to keep the
voltage at each bus within allowed limits. To tackle voltage stability indices concerns, several
technologies such as STATCOM and other downstream linked devices are used, however
proper sizing and location is also a key obstacle in the network. This study provides a Particle
Swarm Optimization approach that finds the optimum position and configuration of
STATCOM to be deployed on the real-time distributor by identifying the voltage regulation
for the lowest bus in the network. The installation of STATCOM in the right area increased
the voltage stability index (VSI), effectively reduced energy loss, and boosted the voltage
stability, according to the results.
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