SEDS Lighting Tool (SEDS Light)

Project Summary:

The original Secondary Electrical Design Software (SEDS), developed during Program 7 and enhanced during Programs 9, 10, 11, 12 and 13, has been successfully used by the DSTAR membership to perform electrical calculations, such as voltage drop and flicker, for multi-tiered, single-phase and three-phase secondary systems. SEDS employs a drag and drop-style user interface that is very simple to use and affords users tremendous flexibility. As users have grown accustom to SEDS, they have continued to ask for increased functionality.

Several SEDS users have developed their own “special” databases to handle lighting applications. Although SEDS can be used for this special application, it requires some “work-arounds” that are not ideal. In Program 13 the members proposed that a version of SEDS be developed that is tailored specifically for lighting applications. This version would strip away many of the unused features and add some lighting-specific features. The new SEDS Light tool is a simplified version of the existing application with the same underlying calculation engine.

Specifically, this project does the following:

  • Strips unused functionality from current SEDS Version (remove 3-phase)
  • Reduces load choices
  • Simplifies load selection
  • Updates voltage drop calculations to facilitate lighting applications
  • Allows applications of up to 4 lights/pole
  • Allows user to specify conductor size and length up the pole
  • Updates GUI to support “daisy chaining” of lights without the need for a node (“load-to-load” connections)
  • Updates reporting to be consistent with lighting needs
  • Updates messaging in status bars and documentation

Member Benefits

DSTAR members that have been using SEDS for lighting applications have long expressed the desire for a lighting specific tool optimized for their needs. This tool will allow designers to quickly and easily layout a lighting design and perform calculations to ensure that electrical requirements are satisfied. The tool can reduce cost and increase efficiency by optimizing the design to provide service for the lowest cost.

SEDS Light User Interface:


Who Should Use:

Planners, Lighting Designers and any utility personnel responsible for specifying and designing secondary electrical systems

This study was conducted in P13-8