James Pachan, PE

Senior Electrical Engineer

STAR Energy Services LLC

MIPSYCON

November 8, 2016

What is an Engineering Analysis (EA) Model?

Load AllocationBalanced/Unbalanced Load FlowLoad BalancingFault AnalysisMotor analysisContingencyProtective Device CoordinationEA Document Support

Engineering Analysis Model Options

Aspen – OneLiner™, DistriViewEATON – CYMEMilsoft™ – WindMil® SKM – DAPPER®etap®EasyPower®

Where Does the Engineering Model Come From?

Build From ScratchShare/Joint DatabaseMaintain Separate Engineering Model DatabaseExport from GIS

GIS Options

CAD Esri – ArcGIS

FuturaGISNISC MapWiseMilsoft WindMilMap®

Open Source GIS Systems

Some GIS Databases May Be Easier to Export for EA

Planning with a GIS and EA Model

Staking

GIS

EA Model

Planning Studies

Planning Documents

Staking New Projects

Round Trip of Data

Map Setup

GIS Will Setup a Geometric NetworkVerify FlowPopulate Substation and Field Equipment

Asset ManagerEquipment DatabaseSpreadsheet

Customer Billing Information, UsageIncorporate Desired EA Model Equipment

Substations, Overhead, Underground, Secondary Conductor, Reclosers, Regulators, Capacitors , Switches, Transformers, And Consumers

GIS Export Tool

Identify ElementsGather Equipment Attributes

Element TypeSize, Style, SettingsLength

Organize import file for EA model software

Other Potential Data to Input to EA Model

Engineering Analysis Requires DataCustomer Information System (CIS)

Supervisory Control And Data Acquisition (SCADA)Historical SCADA or G&T Monthly Billing Data

Equivalent Transmission System Impedance (G&T)

Overhead and Underground Conductor Specifications

Construction Practices

Protection Device CharacteristicsCoordination Software Package

Member Classifications/ Groups

Demo

Esri ArcMap

Milsoft’s Windmil EA 

Similarities of GIS/EA ModelNames

Layout, colors, symbology

Element Data

DifferencesAppearances, usability

EA Model needs additional info for Calculations

EA Model limited element attributes

GIS Base Map

EA Model

GIS Map – Device Identify

EA Model – Device Identify

Demo WindMil®

WindMil® Modules Load AllocationBalanced/Unbalanced Load FlowLoad BalancingFault AnalysisMotor analysisContingencyProtective Device Coordination

Load Allocation

Voltage Drop

Fault Current

Contingency

Questions?

James Pachan, PE

Senior Electrical Engineer

STAR Energy Services LLC

jpachan@star‐energy.com

(320) 762‐1697 

www.star‐energy.com