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Under some certain conditions, the wind power farm which accesses to the power system may appears the phenomenon of sub synchronous oscillation (SSO). Doubly fed induction generator (DFIG) connected to power grid usually transports power energy by series compensated AC transmission or DC transmission, and the theory of SSO in DFIG wind farm is relatively clear and has been researched mostly. Permanent...
In this paper, the randomness of Wind Power(WP) and photovoltaic(PV) are taken into account with multi-scenarios model, the sstart-up costs of Micro Turbine(MT), Fuel Cell(FC), WP, PV are also taken into account, so as to the loss of battery fixed capital investment in the process of its charging and discharging. Under the premise of the time-of-use (TOU) electricity price implemented in grid, using...
110kV minimized gas insulated substation (GIS) has been widely used in China, due to its great electrical properties. The closing or opening operation of disconnector switches (DS) and circuit breaker (CB), and single-phase ground fault are all probable to cause the very fast transient overvoltage (VFTO), which is a threat to the power system. Compared to the structure of higher voltage GIS, three-phase...
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