<< IMPORTANT NOTICE >>
Development of and support for the ERACS software product will come to an end on 21 December 2023. Please do not hesitate to contact us if you require further assistance.
Details of new features & fixes across the ERACS versions.
A facility to model doubly fed induction generators (DFIG's) has been added to ERACS.
It is now possible to select non-operating relays for inclusion in the co-ordination plots produced following a protection study.
The maximum number of the following types of element, supported by the 150-Bus version of ERACS has been increased... - Lines: from 125 to 150. - Cables: from 125 to 150. - Circuit breakers: from 1225 to 1500. - Induction machines: from 120 to 150. - Shunts: from 225 to 300. - Bus sections: from 100 to 150. - Series elements: from 25 to 30.
The harmonic injection module now calculates the following transformer derating factors: - K-Factor; the Underwriters Laboratories Inc. - Harmonic Loss Factor; ANSI/IEEE C57.110-1998. - Factor K; BS 7844-3:1998 or BS 7821-4:1995.
Four additional sizes are now available for ERACS - 50Bus, 100Bus, 300Bus and 500Bus.
When a protection co-ordination plot is produced following a protection study it is now possible to select the reference current (that used to set device offset). In previous versions of ERACS it was fixed at the current sensed by the protection device that was selected first. Facilities have been introduced that enable you to select which device is to be the reference. A feature has also been included that enables one of the phase currents flowing into the fault to be selected as the reference.
Loadflow Parameter fields are now included in the ERACS export interface.
It is now possible to adjust the thickness of a busbar. To achieve this, place the mouse cursor over the busbar and click the mouse right-button. Select "Adjust Thickness" in the popup menu. The adjustment control will appear. To cancel the adjustment press the <ESC> key. To complete the adjustment click the mouse left button outside the adjustment control.
The field called "Length" has been included in the information list displayed when the element's properties have been selected.
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