Title :
CPLD-based islanding detection for mini grid connected inverter in renewable energy
Author :
Tunlasakun, Khanchai ; Kirtikara, Krissanapong ; Thepa, Sirichai ; Monyakul, Veerapol
Abstract :
This paper presents the development of a CPLD-based islanding detection for mini grid connected inverter in renewable energy with very simple under/over voltage and under/over frequency islanding detection algorithms. The system was implemented on a single XC9572 complex programmable logic device (CPLD) chip using schematic based and VHDL based synthesis model The CPLD monitor the under/over voltage and under/over frequency of utility grid and processed the value of voltage and frequency for turned on-off relay between mini grid connected inverter and utility grid.
Keywords :
frequency measurement; invertors; programmable logic devices; relays; renewable energy sources; voltage measurement; CPLD; XC9572 complex programmable logic device; inverter; islanding detection algorithm; on-off relay; renewable energy; under-over frequency monitoring; under-over voltage monitoring; Bridge circuits; Costs; Frequency; Inverters; Photovoltaic systems; Power electronics; Protection; Renewable energy resources; Solar power generation; Voltage control;
Conference_Titel :
TENCON 2004. 2004 IEEE Region 10 Conference
Print_ISBN :
0-7803-8560-8
DOI :
10.1109/TENCON.2004.1414897