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This paper presents a technique for differential protection of Multi-terminal High Voltage Direct Current (MTHVDC) transmission lines. The proposed technique depends on the electrical current data at both ends of each line section. Discrete Wavelet Transform (DWT) is used to detect DC faults as well as filter out the high frequency transients superimposed on the current signals. An operating signal...
Although the power system grid growth pace was slow, the load demand was not. Yet, there are some challenges that impeding the power grid to cope with the load pace, namely: renewable energy integration; energy efficiency; vulnerability to faults; and complexity of the power grid. Such challenges reveal the concept of smart grids (SG). In SG concept, secured, efficient, economic, and intelligent grid...
The contribution of distributed generation (DG) to network fault levels depends heavily on the technology employed. In the case of directly connected rotating machines the fault behavior is well established; with synchronous generators contributing higher fault levels than the corresponding induction generators. The contribution of inverter-based distributed generation (IBDG) is the lowest due the...
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