eq steady state special topics - ucaiugcimug.ucaiug.org/meetings/oslo2014/presentations... ·...

Restricted © Siemens Industry, Inc. 2013 All rights reserved. Answers for infrastructure and cities.

EQ Steady State Special Topics Chuck DuBose, June 2014

Siemens Power Technologies International

Restricted © Siemens Industry, Inc. 2013 All rights reserved.

EQ Steady State Special Topics Outline

•Transformer Models •HVDC

•Short Circuit

•Dynamics •Unbalanced Networks •Q&A

6/16/2014 Siemens Power Technologies International


EQ Steady State Special Topics Transformer Models

•Balanced Three Phase Transformer Model

•Tap Changers

•Transformer Voltage Attributes •New CGMES Phase Shifting Transformer Document NTSOE_CGMES_v2.4.14_28May2014_PSTmodelling.pdf



EQ Steady State Special Topics Transformer Models



EQ Steady State Special Topics Ratio Tap Changer Model



EQ Steady State Special Topics Phase Tap Changer Model



EQ Steady State Special Topics Transformer Voltage Attributes

•TransformerEnd.ratedU – Nameplate Voltage of the Transformer Winding

•TapChanger.neutralU – Voltage at the Neutral Tap

•RatioTapChanger.stepVoltageIncrement – Percent of Nominal Voltage or ratedU?



EQ Steady State Special Topics HVDC

•Old Rectifier/Inverter classes were removed

•Represent more detailed models • DC switch classes • DCConductingEquipment • DCEquipmentContainer • DCSeriesDevice • DCTerminal • ACDCConverterDCTerminal • DCTopologicalIsland

•Associate AC equipment with DC Equipment

•Specific models for voltage and current source converters.



EQ Steady State Special Topics HVDC Containment



EQ Steady State Special Topics HVDC Connectivity



EQ Steady State Special Topics HVDC Converter Unit



EQ Steady State Special Topics HVDC Example 301 Document Sec 4.4.13



EQ Steady State Special Topics Short Circuit

•All short circuit data required by IEC 60909

•Most Data is integrated into the equipment records of the Wires Package

•New Fault Package defines fault information

•Covered in a Separate Profile

•All positive sequence reactances on the synchronous machines are saturated values to support short circuit

•MutualCoupling Class

•Fault Class



EQ Steady State Special Topics Mutual Coupling Class



EQ Steady State Special Topics Mutual Coupling Example



EQ Steady State Special Topics Fault Package



EQ Steady State Special Topics Dynamics

•Totally Separate Package

•Hooks into classes in the Wires Package

•Generator and Load models are very detailed •Undergoing extensive Vender Testing



EQ Steady State Special Topics Dynamics Standard Signal Connections



EQ Steady State Special Topics Dynamics to Equipment Connections



EQ Steady State Special Topics ExcAC1A Exciter Example - CIM



EQ Steady State Special Topics ExcAC1A Exciter Example - How It Works



EQ Steady State Special Topics Dynamics Model Vender Testing Results



EQ Steady State Special Topics Dynamics - Future

•Still need DC, FACTS, Relay, Shunt Compensator Models

•Complete development of User Defined models

•Future of Distributed Energy Resources



EQ Steady State Special Topics Unbalanced Networks

•IEC 61970 standard

•Optional class and attribute selections to build unbalanced networks • AclineSegmentPhase • SwitchPhase • EnergyConsumerPhase • ShuntCompensatorPhase • Terminal.phases • TransformerTank

•Create open delta transformer banks

•Define single and two phase circuits for overhead and underground



EQ Steady State Special Topics Two Phase Unbalanced Transformer Model



EQ Steady State Special Topics Unbalanced Line Model 301 Document Sec 4.4.8



EQ Steady State Special Topics Q&A


eq steady state special topics - ucaiugcimug.ucaiug.org/meetings/oslo2014/presentations... ·...

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