Effects of Distributed Generation on the Bidirectional Operation of Cascaded Step Voltage Regulators: Case Study of a Real 34.5 kV Distribution Feeder

Autor: de Brito, Hugo Rodrigues, de Souza, Valéria Monteiro, Vieira, João Paulo Abreu, Tostes, Maria Emília de Lima, Bezerra, Ubiratan Holanda, de Souza, Vanderson Carvalho, Pinheiro, Daniel da Conceição, Barata, Heitor Alves, Cardoso, Hugo Nazareno de Souza, Costa, Marcelo Sousa
Rok vydání: 2023
Předmět:
Druh dokumentu: Working Paper
Popis: This work investigates the impact of feeder bidirectional active power flow on the operation of two cascaded step voltage regulators (SVRs) located at a 34.5 kV rural distribution feeder. It shows that, when active power flow reversal is possible both by network reconfiguration and by high penetration levels of distributed generation (DG), typical SVR control mode settings are unable to prevent the occurrence of runaway condition, a phenomenon characterized by loss of SVR voltage control capabilities. Such developments are the basis for a DG pre-dispatch control strategy that aims to avoid the adverse effects of the described power flow reversal scenarios, as well as to ensure reliable operation of the utility distribution network.
Comment: 8 pages, 11 figures, submitted to XXV SNPTEE 2019
Databáze: arXiv