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Design Master Electrical RT 2.0

Released July 19, 2021.

The following is a list of new and updated features in Design Master Electrical RT 2.0.

One-Line Riser Diagrams in Revit

One-line riser diagrams can now be created in a Revit drafting view instead of in AutoCAD. The commands are available in a new DM One-Line tab.

Detailed tutorials on using the new one-line diagrams will be available soon.

Tip: On projects where panels and transformers are already created, use the Insert Link command to insert them on the one-line diagram. On new projects, use the Insert Create command to create panels and transformers and insert them on the one-line diagram simultaneously.

 

Breaker Curves: Selective Coordination & Arc-Flash Trip Time

Breakers can be assigned time-current curves. The curves can be used for selective coordination and arc-flash trip times.

Selective Coordination: Multiple breaker curves can be displayed on a time-current graph to allow you to coordinate your breakers.

Arc-Flash Trip Times: The arcing time in the arc-flash calculation can be calculated automatically using the breaker curve.

 

Calculation Upgrades

Fault on Branch Circuits: Fault values are calculated and displayed on branch circuits and branch circuit devices. These values can be used for displaying the fault at motors and other equipment in your project.

Custom Transformer OCP Sizes: You can customize the default OCP sizes for transformers using the new Transformer OCP Sizes command.

Custom Wire Callouts: A new Custom option is available for conductor sizes. You can specify the text used as the wire callout and the impedance values. Custom callouts can be used for one-off feeders, such as in existing projects. They can also be used for connections that are not wires, such as bus bars.

Specific Wire Sizing Option: If you have multiple wire sizing options defined in the Wire Ampacities command, you can assign a specific option to a feeder or branch circuit. One option is always the default used for sizing wires in a project. You can now choose to use a different option for one feeder in the project. The wire will still size automatically but will use the selected option. For example, if you have a single feeder you want to be aluminum, you can set it to an aluminum sizing option. It will automatically size to the correct aluminum wire size.

Separate Breaker and Wire Ampacity: Wire ampacity is now set separately from breaker ampacity. Generally, breaker ampacity is used to choose the wire size. If the wire is derated, wire ampacity is used. If the wire ampacity falls below the breaker ampacity, a larger wire size is chosen.

Double Neutral Wire Sizing: When the neutral size is set to Double phase, the neutral wire is assumed to be a current-carrying conductor. For circuits with three conductors, the conductor is adjusted based upon NEC 310.15(C)(1).

Ambient Temperature: The ambient temperature for the project and for specific runs of wire can be specified. The ambient temperature is used to adjust the conductor size based upon NEC 310.15(B)(1). The initial ambient temperature for projects is set at 30° C.

 

Calculate Part of Project & Highlight Buttons

A Calculate Part of Project button has been added to the Panel Edit command, allowing you to run the command and see the changes without closing the dialog box.

Highlight Panel and Highlight Circuit buttons have been added to the Panel Edit and Circuit Edit commands. Use these buttons to locate your devices in the Revit model.

Homerun Wire Callout Parameter

A new DMET_Circuit_WireCalloutHR parameter was added to circuits. If the wire is #10 or larger, this parameter will display the wire callout. If the wire is #12, it will be blank. Use this parameter to label wire sizes on large homeruns and leave wire sizes off on smaller ones.

Pulldown Menus

The two DM ribbon tabs each have a pulldown button that can be added to your Quick Access Toolbar, allowing access to the Design Master commands without needing to switch between ribbon tabs. The pulldown includes most of the commands on the ribbon tab.

 

Revit Version Support

This version supports Revit 2018, 2019, 2020, 2021, and 2022. We will continue to support the current version of Revit plus the last three versions. As new versions of Revit are released, we will stop adding features to older versions of Revit.

Previous versions of our add-in will continue to be available for older versions of Revit.

Phasing Out Support for One-Line Diagrams in AutoCAD

Support for one-line diagrams in AutoCAD will slowly be phased out. This phase-out will not be immediate. Current projects that use one-line diagrams in AutoCAD can be finished in AutoCAD. The Export to AutoCAD command is still available on the DM One-Line tab.

We do not recommend starting one-line diagrams in AutoCAD for new projects.

Some new features will not work correctly with AutoCAD one-line diagrams. In this release, Additional Wire Sizing Options and Custom Wire Callouts will not transfer properly to AutoCAD. Wires that use those features may be labeled incorrectly in AutoCAD.

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