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Hitachi Energy and TransnetBW make German grid fit for future

ZURICH, SWITZERLAND, Feb 15, 2024 - (JCN Newswire) - Hitachi Energy has signed a major order with German state-owned transmission system operator, TransnetBW to enable the expansion of renewable energy and stabilization of the grid. Hitachi Energy will supply two Enhanced STATCOM1 stations with the next-generation grid stabilization technology, SVC Light® Enhanced, to enable TransnetBW to improve power quality.

Hitachi Energy and TransnetBW make German grid fit for future

Hitachi Energy and TransnetBW make German grid fit for future
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Lemont s Argonne National Labs pioneers fast-charging super-station for EVs

An Event Triggered Sliding Mode Control-Based Fault Ride-Through Schem by Md Nafiz Musarrat, Afef Fekih et al

This article proposes an event-triggered sliding mode control (ETSMC)-based fault ride-through (FRT) scheme for doubly fed inductor generator (DFIG)-based wind energy systems. The design aims at mitigating dynamic instabilities resulting from grid faults by properly regulating the dc-link voltage with support from a supplemental energy storage (super-capacitor). The high-density power support from the super-capacitor is efficiently facilitated by the dual active bridge converter (DABC) because of its high voltage conversion ratio and very low core loss. The event-triggered SMC approach allows updating the control input only when certain stability conditions are violated, thus reducing the computational burden and mitigating the chattering effect typically presents in the standard SMC. The ETSMC is augmented by a disturbance observer to achieve robustness against mismatched disturbances and parameter fluctuations. The design is validated using a DFIG-based wind energy system connected t

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