Results 261 to 270 of about 781,206 (295)
Some of the next articles are maybe not open access.
2015 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE), 2015
An effective islanding detection technique is extremely important in safeguard Distributed Generation (DG) from incur a great impact due to unintentional islanding. Among commonly employed techniques, passive detection is known as the simplest and cheapest detection technique, but suffers large Non-Detection Zone (NDZ). This paper present an evaluation
A. I. M. Isa, H. Mohamad, Z. M. Yasin
openaire +1 more source
An effective islanding detection technique is extremely important in safeguard Distributed Generation (DG) from incur a great impact due to unintentional islanding. Among commonly employed techniques, passive detection is known as the simplest and cheapest detection technique, but suffers large Non-Detection Zone (NDZ). This paper present an evaluation
A. I. M. Isa, H. Mohamad, Z. M. Yasin
openaire +1 more source
Non-detection zones of an inverter based DER to islanding events and single-phase openings
2019 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America), 2019Distributed energy resources connected to distribution systems are vulnerable to islanding events and single-phase open. These two events have in common a circuit opening, and it is possible that single-phase opening events result in variations of frequency and voltage that cause protection actuation.
Daniel Motter +4 more
openaire +1 more source
2011 International Conference on Advanced Power System Automation and Protection, 2011
Until now, there is a great development in photovoltaic grid-connected power system. In addition, there is an ongoing research on the problems existed in the system. Islanding of photovoltaic grid-connected power system have adverse impact on power quality and utility equipments, affecting the performance of the utility even worse, it may damage people'
YuGuo Fan, Chen Li
openaire +1 more source
Until now, there is a great development in photovoltaic grid-connected power system. In addition, there is an ongoing research on the problems existed in the system. Islanding of photovoltaic grid-connected power system have adverse impact on power quality and utility equipments, affecting the performance of the utility even worse, it may damage people'
YuGuo Fan, Chen Li
openaire +1 more source
IEEE Transactions on Power Delivery, 2011
Positive feedback anti-islanding methods have been widely applied to inverter-based distributed generators recently due to their high cost-performance ratio. The effectiveness of these anti-islanding methods is usually demonstrated by means of steady-state non-detection zones (NDZs) represented in a load parameter space (LPS).
null Xiaoyu Wang, W Freitas, Wilsun Xu
openaire +1 more source
Positive feedback anti-islanding methods have been widely applied to inverter-based distributed generators recently due to their high cost-performance ratio. The effectiveness of these anti-islanding methods is usually demonstrated by means of steady-state non-detection zones (NDZs) represented in a load parameter space (LPS).
null Xiaoyu Wang, W Freitas, Wilsun Xu
openaire +1 more source
A Generic Method for the Determination of Non-Detection Zones in DER-Dominated Distribution Grids
2018 IEEE Power & Energy Society General Meeting (PESGM), 2018Efficiently calculating non-detection zones (NDZ) becomes increasingly important when evaluating unintentional islanding risks of distribution grids that are highly integrated with distributed energy resources (DER). In this paper, a rigorous theoretical method, the DER-Driven Non-Detection Zone (D2NDZ), is presented to estimate NDZ for any given ...
Yan Li +7 more
openaire +1 more source
2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition, 2009
Islanding detection and anti-islanding protection are the essential functions of the gird-connected inverter in DG systems. This paper focuses on the Non-Detection Zone (NDZ) with passive islanding detection method for the DG system with the current control scheme.
Xuancai Zhu +4 more
openaire +1 more source
Islanding detection and anti-islanding protection are the essential functions of the gird-connected inverter in DG systems. This paper focuses on the Non-Detection Zone (NDZ) with passive islanding detection method for the DG system with the current control scheme.
Xuancai Zhu +4 more
openaire +1 more source
Renewable and Sustainable Energy Reviews, 2015
Abstract Islanding is one of the most important concerns of the grid connected distributed resources due to personnel and equipment safety. Many approaches have been proposed for islanding detection, which can be categorized into passive and active schemes.
Haidar Samet +2 more
openaire +1 more source
Abstract Islanding is one of the most important concerns of the grid connected distributed resources due to personnel and equipment safety. Many approaches have been proposed for islanding detection, which can be categorized into passive and active schemes.
Haidar Samet +2 more
openaire +1 more source
Non-Detection Zone Analysis of Frequency and Voltage Based Passive Methods
2022 2nd Odisha International Conference on Electrical Power Engineering, Communication and Computing Technology (ODICON), 2022Plaban Dash, M. Mishra
openaire +1 more source
2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC), 2015
In this paper, the Non Detection Zones (NDZs) of frequency drift anti-islanding were compared according to the structure of positive feedback loop for closed-loop power controlled Distributed Generators (DGs). It was reported that the NDZ of frequency drift anti-islanding is enlarged with closed-loop based constant power controller.
Byeong-Heon Kim, Seung-Ki Sul
openaire +1 more source
In this paper, the Non Detection Zones (NDZs) of frequency drift anti-islanding were compared according to the structure of positive feedback loop for closed-loop power controlled Distributed Generators (DGs). It was reported that the NDZ of frequency drift anti-islanding is enlarged with closed-loop based constant power controller.
Byeong-Heon Kim, Seung-Ki Sul
openaire +1 more source
CIRED 2012 Workshop: Integration of Renewables into the Distribution Grid, 2012
Loss of mains protection (LOM) is among the most challenging issues related to the integration of distributed generation (DG). This paper presents simulation studies on the effect of multiple DG units on LOM protection. The results reveal an operational risk related to the active LOM detection methods.
Mäkinen Anssi +3 more
openaire +1 more source
Loss of mains protection (LOM) is among the most challenging issues related to the integration of distributed generation (DG). This paper presents simulation studies on the effect of multiple DG units on LOM protection. The results reveal an operational risk related to the active LOM detection methods.
Mäkinen Anssi +3 more
openaire +1 more source