Release Notes

Details of new features & fixes across the ERACS versions.

 

ERACS Version 3.8.0 - Released: 18/02/2009


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Features:

Prysmian Cable Data Added To ERA_Reference_Library Version 3.8.0 : Feature 3451 18/02/2009

Cable data including data sheets have been supplied by Prysmian for use by the ERACS Team and have been added to the ERACS Reference Library (including updated zero sequence impedance information)


1000 Yards Per Unit Length Option Added Version 3.8.0 : Feature 3410 18/02/2009

An item labelled '1000 yards' has been added to the list used to describe the per unit length of a cable.


Study Type & Title Added to Window Caption Version 3.8.0 : Feature 3377 18/02/2009

When a network diagram displays results the study type (Loadflow, Fault, IEC 909, etc.) and study title are shown in the window caption to make it easier to identify the window contents, particularly when multiple windows are open.


Improved Classical Fault Calculations - With Motor Contribution Turned Off Version 3.8.0 : Feature 3338 18/02/2009

ERACS has the option to include or not include induction machine contribution in the classical fault calculation and protection co-ordination programs. Both programs have been updated to improve the calculation when induction machine contribution is turned off.


Text Button Added To Text Toolbar Version 3.8.0 : Feature 3280 18/02/2009

A button has been included in the Text toolbar that enables text to be added to a diagram.


Measured Voltage Distortion Symbol Added To Network Diagram Version 3.8.0 : Feature 3272 18/02/2009

When a busbar has measured voltage distortion (G5/4 data) associated with it a symbol is included on the network diagram.


An Appearance Tab Added To All Element Data Forms Version 3.8.0 : Feature 3269 18/02/2009

An appearance tab has been included in the data entry forms for all types of element. This tab includes controls that enable you to specify some of the graphical properties for that element. For example, whether results should be displayed on the single line diagram.


Phase Identification & Colours Updated In Line With European Standards Version 3.8.0 : Feature 3261 18/02/2009

The colours used to represent the phases have been aligned throughout Europe to be Brown, Black, Grey. ERACS has been modified so that it uses the new colours, rather than the old Red, Yellow and Blue, and refers to the phases using the L1, L2 & L3 naming convention instead of by colour.


Updated Models for MV & LV Circuit Breakers & Tripping Units Added Version 3.8.0 : Feature 3255 18/02/2009

Medium and low voltage circuit breaker models for various types of circuit breakers (air, SF6, Oil, MCCB & Vacuum) have been updated including models of their tripping units and new graphical symbols. This includes updated data in the reference library.


Web Security Key Diagnostics Upgraded Version 3.8.0 : Feature 3253 18/02/2009

Web security key diagnostics upgraded to included more informative messages when ERACS is unable to connect to the web access server.


Motor Mechanical Load Symbol Added To The Network Diagram Version 3.8.0 : Feature 3239 18/02/2009

When an induction machine has a mechanical load attached a symbol is included on the network diagram


Wizard Added for New Networks Version 3.8.0 : Feature 3229 18/02/2009

A wizard facility has been added to ease the creation of a new ERACS Network and explains the relationship between an ERACS Network, Data State, Library and Database.


Arc Flash Hazard Module Released Version 3.8.0 : Feature 3062 18/02/2009

An Arc Flash Hazard module has been added to ERACS. This module analyses arc flash hazards for electrical networks modelled in ERACS and is based upon: - IEEE Std 1584-2002: IEEE Guide for Performing Arc-Flash Hazard Calculations - IEEE Std 1584a-2004: IEEE Guide for Performing Arc-Flash Hazard Calculations - Amendment 1 (which provides additions and corrections to IEEE Std 1584-2002) - NFPA 70E-2004: Standard for Electrical Safety In the Workplace


Dedicated Grid Infeed Results Selection Added Version 3.8.0 : Feature 1923 18/02/2009

A 'Grid Infeed' branch has been included in the treeview of the results selection form for each of the following entries: element data, loadflow, fault, harmonic injection, transient stability, protection co-ordination and G5/4. Previously combined with the results selection for a synchronous machine.




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