Abb Schweiz Ag

Abb Power Grids Switzerland Ag

Hitachi Energy Switzerland Ag

Giovanni Velotto

Ritwik Majumder

Bertil Berggren

Tomas Lars Jonsson

Robert Saers

Soubhik Auddy

Ebrahim Shayesteh

Jenny Josefsson

Tomas Uno Jonsson

A method can be used for determining resiliency in a microgrid that includes a number of assets. The method includes obtaining status data about devices used to control the assets as well as about communication resources of this control, determining, based on the status data, the health and availability of each asset to assist each of a plurality of functions for handling disruptive events in the microgrid, determining a resiliency index of the microgrid in performing the plurality of functions, providing the resiliency index to a control system of the microgrid, comparing, in the control system, the resiliency index with a least one threshold, and changing the control of the microgrid if any of the thresholds is crossed.

Resiliency determination in a microgrid

The invention concerns a switchyard for interconnecting direct current power networks and a direct current power transmission system comprising such a switchyard. The switchyard comprises a number of interconnected entities comprising at least two main circuit breakers and a number of transfer switches, where each network has two connections to the switchyard, at least one via a transfer switch, each main circuit breaker has four connections in the switchyard, two at each end of the main circuit breaker and at least one via a transfer switch, and each network is joined with every other network via a corresponding path through at least one main circuit breaker as well as via a corresponding path bypassing all main circuit breakers.

Scalable switchyard for interconnecting direct current power networks

Growing community of inventors

Västerås, Sweden

Giovanni Velotto