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Osmel Pérez Baluja,Orlys Ernesto Torres Breffe,Rolando Pérez Hermoso
En este artículo, se realiza un estudio de los principales errores que introduce la inducción mutua de secuencia cero en el trabajo de las protecciones de sobrecorriente direccional y distancia de tierra respectivamente (67N y 21N), cuando estas se encue...
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Wen An, Jun Jie Ma, Hong Yang Zhou, Hong Shan Chen, Xu Jun and Xu Jian
With the development of wireless communication technology and computer technology, more and more smart technologies have been applied in electricity distribution networks. This paper presents an adaptive current differential protection and fast auto-clos...
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Horyeong Jeong, Jong Hyuk Choi and Jae Suk Lee
This paper presents a stationary reference frame grid current control algorithm for a grid-connected inverter (GCI) to improve command tracking performance and resilience in response to disturbances, i.e., a grid voltage incident in a GCI current control...
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Safely starting a spinning position sensorless controlled permanent magnet synchronous machine is difficult because the current controller does not include information regarding the motor position and speed for suppressing the back-electromotive force (E...
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Photovoltaic (PV) power stations tend to have a relatively weak infeed characteristic, unlike conventional synchronous generators. The limited overcurrent capability of power electronic devices and the controllability of grid-connected inverters mean tha...
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Kutaiba Sabah Nimma and Sabah Nimma Faraj
With the advent of the new information technologies, the power communication service object is continuously enhanced by the modernization level of the switches architecture designed in the substation automation environment. In the futuristic plan, the co...
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Fredrik Larsson, Antti Rytinki, Istaq Ahmed, Ingvar Albinsson and Bengt-Erik Mellander
Overcurrent abuse has been performed on commercial 48 Ah primary prismatic zinc (Zn)?Air battery cells with full air supply as well as with shut-off air supply. Compared to other battery technologies, e.g., lithium-ion batteries, metal?air batteries offe...
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Ming-Ta Yang and Jyh-Cherng Gu
For the Taiwan Power Company (Taipower), the margins of coordination times between the lateral circuit breakers (LCB) of underground 4-way automatic line switches and the protection equipment of high voltage customers are often too small. This could lead...
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