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Global Fault Current Limiters Market Size Set to Reach US$ 11 3 Billion by 2033, with 8 0% CAGR | Future Market Insights, Inc

Global Fault Current Limiters Market Size Set to Reach US$ 11 3 Billion by 2033, with 8 0% CAGR | Future Market Insights, Inc
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Coordination of adaptive virtual resistance controller and flux-coupli by Lei Chen, Meng Ding et al

The virtual synchronous generator (VSG) technology equips power inverters with virtual inertia and damping to access generation and storage more friendly. However, the VSG's weak performance to withstand fault current inrush and fulfill low-voltage ride-through (LVRT) operation should be carefully addressed. This paper presents an innovative method to coordinate adaptive virtual resistance controller (AVRC) and flux-coupling-type fault current limiter (FC-FCL). First, the theoretical modeling and transient characteristics of the VSG are illustrated. Then, the implementation of the coordinated AVRC and FC-FCL is done, with an elaboration of the coordination philosophy and the proposed approach's parameter design rules. Further, simulation validations are performed in MATLAB/Simulink. Different severities and types of faults are imitated, and the comparisons of the proposed method against the traditional VSG strategy, the single AVRC or FC-FCL, the inner current control, and th

Parameter Design and Performance Analysis of a Saturated Amorphous All by Md Minarul Islam, K M Muttaqi et al

The traditional approach to reduce fault current over-duty is to upgrade protection systems or splitting busses in the substations. This upgradation in the substation may put extra financial burden on the grid operators. It also requires extended outages of the substations, which would reduce the reliability of the power system. To solve this problem a saturated amorphous alloy core-based fault current limiter (SAACFCL) can be applied. In this paper, parameters for the SAACFCL have been designed using a tuning process and characterized using advanced electromagnetic and electrical modelling. Also, the magnetic behavior of the core of the SAACFCL is analyzed using finite element analysis (FEA). Based on the characteristics obtained from the FEA, an improved electromagnetic circuit model of the SAACFCL has been developed. The mathematical model of the core's B-H loop has been included with the magnetic circuit model. The Ansys-Maxwell software is used to analyze the performances of

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