Updated Reference Library ^{Version 3.9.10 : Feature 6705 30/07/2019}

Models of Schneider Electric's MTZ2 25 H2 air circuit breaker and Micrologic 2.0 X, 5.0 X & 6.0 X trip units have been included in our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6703 30/07/2019}

A model of the Westinghouse, formally Ottermill, OMA12 1000A air circuit breaker, together with its Pow-R Trip 7 trip unit has been included in our reference library.

Improved filtering and searching in Element Find facility ^{Version 3.9.10 : Feature 6635 30/07/2019}

Additional controls have been added to the Element Find facility that enable the list of elements to be easily searched and filtered.

Schneider Electric MTZ ACB and Micrologic X trip units ^{Version 3.9.10 : Feature 6630 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.6705 (https://releasenotes.eracs.co.uk/version/3.9.10/6705)

Updated Reference Library ^{Version 3.9.10 : Feature 6629 30/07/2019}

Models of the Eaton IZMX16B, IZMX16H and IZMX40B air circuit breakers, together with Digitrip and 2016 trip units PXRP and PXRV, have been included in our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6624 30/07/2019}

Models of the ABB E1.2N 1000 & E2.2N 800 ACBs, together with LI, LSI, LSIG DIP, Touch and Hi-Touch trip units have been added to our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6615 30/07/2019}

Models that represent the overcurrent and earth-fault functions provided by the Siemens 7SG18 Solkor N protection relay have been added to our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6614 30/07/2019}

A model representing the Siemens 3NA3 3xx-6 fuse family has been included in our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6613 30/07/2019}

A model representing the Mersen NH2UD69V fuse family has been added to our reference library.

Element Find facility available in Protection Co-ordination ^{Version 3.9.10 : Feature 6549 30/07/2019}

The element Find facility is now available following a protection study.

Diagram Pan Mode ^{Version 3.9.10 : Feature 6547 30/07/2019}

Diagram Pan Mode can now be toggled by clicking the middle mouse button.

Updated Reference Library ^{Version 3.9.10 : Feature 6522 30/07/2019}

Models of Prysmian Triplex 11kV aluminium 95mm², 185mm² & 300mm² single-core cables have been included in our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6506 30/07/2019}

A model of Susol UAH-32E3-32 ACB and associated N Type overcurrent & earth-fault electronic trip units have been added to our reference library.

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 6502 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)

Updated Reference Library ^{Version 3.9.10 : Feature 6482 30/07/2019}

A model of the Siemens SENTRON MCCB and associated 3VL95**7DC** thermal-magnetic overcurrent release has been added to our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6481 30/07/2019}

Relay models that represent overcurrent, earth-fault 1 & 2 and sensitive earth-fault functions provided by the Alstom MiCOM P40 Agile P14D IED have been included in our reference library.

Updated Reference Library ^{Version 3.9.10 : Feature 6478 30/07/2019}

Relay models that represent the overcurrent and earth-fault functions provided by the Woodward WIP1 relay have been included in our reference library.

Arc Flash Risk Assessment warning label ^{Version 3.9.10 : Feature 6445 30/07/2019}

A new Arc Flash Risk Assessment warning label template that includes equipment description in the same cell as equipment identifier has been created. The new template is named ArcFlashHazardLabels_Option5_2015.dot. To select the new template:

• Select Tools > Program Options
• In “Program Options” window, select “Results” and click “Modify Options”
• In “Study Options” window, click “Select…”
• Navigate to the ERACS Templates folder and select ArcFlashHazardLabels_Option5_2015.dot

Protection Co-ordination Results Table ^{Version 3.9.10 : Feature 6438 30/07/2019}

Protection Co-ordination study results are now presented in a tabular format. Options are available to export the results in various formats, including: Microsoft Word, Microsoft Excel, XML, HTML and CSV.

Associated Files:

• After running Protection Co-ordination study, click this button to reveal Protection Co-ordination Results Table (627_5-ResTabBut.png)
• Protection Co-ordination Results Table (507_6-Q_6438.png)

Transient Stability Results Table ^{Version 3.9.10 : Feature 6437 30/07/2019}

Transient Stability study results are now presented in a tabular format. Options are available to export the results in various formats, including: Microsoft Word, Microsoft Excel, XML, HTML and CSV.

Associated Files:

• After running Transient Stability, click this button to reveal Transient Stability Results Table (912_7-ResTabBut.png)
• Transient Stability Results Table (966_8-Q_6437.png)

IEC909 Results Table ^{Version 3.9.10 : Feature 6428 30/07/2019}

IEC909 study results are now presented in a tabular format. Options are available to export the results in various formats, including: Microsoft Word, Microsoft Excel, XML, HTML and CSV.

Associated Files:

• After running IEC909, click this button to reveal IEC909 Results Table (253_9-ResTabBut.png)
• IEC909 Results Table (187_10-Q_6428.png)

Updated Reference Library ^{Version 3.9.10 : Feature 6417 30/07/2019}

Relay models that represent the directional and non-directional phase and ground overcurrent functions provided by the Siemens SIPROTEC 5, 7SJ82/7SJ85 relays have been included in our reference library.

Protection Sequence of Operation ^{Version 3.9.10 : Feature 6382 30/07/2019}

A Sequence of Operation facility has been made available after a Protection Co-ordination study has been performed. The facility presents a chart, in the form of a timeline, and a table that lists the protection devices and switchgear that have operated in an attempt to clear the fault that has been applied.

Associated Files:

• After running Protection Co-ordination, click this button to reveal Sequence of Operation facility (233_13-SeqOfOpBut.png)
• Protection Sequence of Operation facility (104_14-Q_6382.png)

Fault Results Table ^{Version 3.9.10 : Feature 6367 30/07/2019}

Fault study results are now presented in a tabular format. Options are available to export the results in various formats, including: Microsoft Word, Microsoft Excel, XML, HTML and CSV.

Associated Files:

• After running a single element Fault study, click this button to reveal Fault Results Table (930_11-ResTabBut.png)
• Fault Results Table (702_12-Q_6367.png)

Library Key Usage Facility ^{Version 3.9.10 : Feature 6340 30/07/2019}

A Library Key Usage facility has been created and is available via the ERACS File menu. The facility presents a list of all keys (models) contained in the library used by one of the single-line diagrams in the currently open ERACS database. The information presented includes the key name, description, type and whether it is in use by the single-line diagram.

Associated Files:

• Example of Library Key Usage window (420_1-Q_6340.png)

Updated Reference Library ^{Version 3.9.10 : Feature 6328 30/07/2019}

Relay models that represent the overcurrent & earth-fault functions of the Schneider MiCOM P521 protection relay have been added to our reference library.

Loadflow Study Setup Panel ^{Version 3.9.10 : Feature 6158 30/07/2019}

A Loadflow study setup panel has been created, which enables you to review and set Loadflow parameters prior to a Loadflow study being executed. By default, the setup panel will be displayed. However, an option has been included that enables you to choose whether the panel is shown.

Associated Files:

• Example of Loadflow Study Setup Panel (631_2-Q_6158.png)

Automatic Loadflow Calculation ^{Version 3.9.10 : Feature 5804 30/07/2019}

If a Loadflow-dependent calculation (e.g. Fault) is launched and Loadflow results are not available, rather than a message being presented and the user having to manually execute the Loadflow calculation, ERACS will now execute the Loadflow calculation automatically.

Updated Reference Library ^{Version 3.9.10 : Feature 5559 30/07/2019}

Models of the Schneider Electric three-phase mineral oil or MIDEL fluid filled standard loss and low loss 2-winding transformers have been added to our reference library. The manufacturer data sheet did not include zero sequence impedance, so we have set it equal to the positive sequence.

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 5341 30/07/2019}

A nameplate data entry method has been added to the 2-winding transformer library data entry form. This method matches as closely as possible data listed on a typical transformer nameplate and offers a variety of ways of entering impedance data:

• specified Impedance & Load Loss,
• specified Impedance and estimated X/R Ratio (based on specified Apparent Power Rating),
• specified Impedance & X/R Ratio,
• specified Resistance & Reactance.

Associated Files:

• Nameplate data entry form - Vector Group & Ratings (15-NameplateTx_VectorGroupAndRatings.png)
• Nameplate data entry form - Loadflow Data (16-NameplateTx_LoadflowData.png)
• Nameplate data entry form - Fault Data (17-NameplateTx_FaultData.png)

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 5096 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 5087 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)

Library Key Usage Facility ^{Version 3.9.10 : Feature 4819 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.6340 (https://releasenotes.eracs.co.uk/version/3.9.10/6340)

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 4281 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 3634 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)

IEC909 Results Table ^{Version 3.9.10 : Feature 3503 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.6428 (https://releasenotes.eracs.co.uk/version/3.9.10/6428)

Loadflow Study Setup Panel ^{Version 3.9.10 : Feature 3232 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.6158 (https://releasenotes.eracs.co.uk/version/3.9.10/6158)

Protection Sequence of Operation ^{Version 3.9.10 : Feature 3202 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.6382 (https://releasenotes.eracs.co.uk/version/3.9.10/6382)

Loadflow Results Table ^{Version 3.9.10 : Feature 3145 30/07/2019}

Loadflow study results are now presented in a tabular format. Options are available to export the results in various formats, including: Microsoft Word, Microsoft Excel, XML, HTML and CSV.

Associated Files:

• After running Loadflow, click this button to reveal Loadflow Results Table (381_3-ResTabBut.png)
• Loadflow Results Table (397_4-Q_3145.png)

Simplified Data Entry for 2-Winding Transformers ^{Version 3.9.10 : Feature 3006 30/07/2019}

Further information about this feature is available using the associated link below.

Associated Links:

• ERACS Reference No.5341 (https://releasenotes.eracs.co.uk/version/3.9.10/5341)