Development of CAD concept model of package transformer substation (PTS) Aleksandra Seledkova Perm National Research Polytechnic University

The comparison of existing CAD systems for designing the power supply systems CAD system Circuit diagram Calculation of electrical parameters Associative output documents Refillable database hardware Error checking System flexibility under a designer requirements CAD Electro CADALPHA EPLAN E3.Series+-++++

Objectives 1.To identify the basic parameters required for the further development of the project 2.To conduct pre – research 3.To develop technical specifications 4.To develop technical proposals for the CAD creation.

The functions that the system will implement : Preparation of single line power wiring diagram Calculation of electrical loads Automated selection of equipment from the program database; Calculation of voltage drop Calculation of short circuit currents Selection of conductor cross-section, installation of protective equipment Load calculation table issue Specification issue Issue of drawings of electrical wirings location in the floor plan Semi-automatic (interactive) document output

The study of the project automation degree and the planned automation degree Stages of designing PTS Phase automation degree, % The planned automation degree, % 1. Explanatory note The right of way project Technological and constructive decisions of linear object Buildings, structures and facilities included in the infrastructure of linear object Single line power supply diagram Foundation layout for the CTS and circuit grounding device Fuse selectivity map Construction project (and dismantling the linear object) Measures for environmental protection Measures for Fire Safety Estimates for the object construction Project composition Working drawings Attached documents2580 Total share of project automation28,664,3

PTS scheme selection algorithm

The PTS single-line circuit formation (1)

The PTS single-line circuit formation (2)

The PTS case selection algorithm

Conclusion The features that the PTS design optimization system should contain and the current automation degrees of PTS designing were considered The pre-study was conducted The design specification was made up The requirements for the PTS design automation system for the single- line circuit design stages, selection of equipment and documentation accompanying the design stages were considered The developed stages are the external part of CAD system design, they are of research nature and the initial step in the CAD development

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