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Power system stability issues are extremely important for safe and effective operation of the system. They can be categorized as rotor angle, frequency and voltage stability issues. Grid connection of new generators can have significant impact on overall system performance and stability. This paper presents investigation of a wind farm transient stability under symmetrical three phase fault conditions...
When a short-circuit fault occurs in a distribution network, speed and reactive power consumption of an induction generator (IG) increase dramatically, which may cause system transient stability problems. This paper proposes an improved steady-state equivalent circuit method to determine transient stability of a distribution system or a micro-grid with multiple IGs. Interaction between IGs and distribution...
A new control strategy for improving fault ride-through capability of wind farms composed of fixed and variable speed wind generators has been proposed, in this study. In this new control scheme, a small series dynamic braking resistor (SDBR) is used in the stator circuit of doubly fed induction generator (DFIG) along with DC-chopper braking resistor. Simulation results show the advantages of the...
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