EMSA Workshop 2012Zurich, Switzerland

Pierre Angers, Lab Manager

Energy Technology Laboratory

Hydro-Quebec Research Institute

Canadian Representative on IEC / TC2 / WG28

Update on IEC 60034-2-3

December 5th , 2012

IEC TC2IEC TC2

�� IEC TC2 on Electric MachinesIEC TC2 on Electric Machines

�� Working Group (WG) 28 on Performance Working Group (WG) 28 on Performance as Determined by Testsas Determined by Tests

�� Development and Revision:Development and Revision:

�� IEC 60034IEC 60034--22--1 (Draft Revision)1 (Draft Revision)

�� →→ IEC 60034IEC 60034--22--33

IEC 60034IEC 60034--22--33

�� Scope:Scope:

−− Test Methods For Determining Losses Test Methods For Determining Losses And Efficiencies Of ConverterAnd Efficiencies Of Converter--fed AC fed AC Induction Motors Within The Scope Of Induction Motors Within The Scope Of IEC 60034IEC 60034--11

�� Draft Standard Draft Standard →→ Draft Technical Draft Technical SpecificationSpecification

What is a IEC Technical Specification?What is a IEC Technical Specification?

�� Technical Specifications Are Often Published When Technical Specifications Are Often Published When The Subject Under Question Is Still Under The Subject Under Question Is Still Under Development Or When Insufficient Consensus For Development Or When Insufficient Consensus For Approval Of An International Standard Is AvailableApproval Of An International Standard Is Available

�� Technical Specifications Approach International Technical Specifications Approach International Standards In Terms Of Detail And Completeness, But Standards In Terms Of Detail And Completeness, But Have Not Yet Passed Through All Approval Stages Have Not Yet Passed Through All Approval Stages Either Because Consensus Has Not Been Reached Either Because Consensus Has Not Been Reached Or Because Standardization Is Seen To Be Or Because Standardization Is Seen To Be PrematurePremature

IEC 60034IEC 60034--22--3 Proposed Test Methods3 Proposed Test Methods

Specific converter supply.Measurement according to

IEC 60034-2-26.4

Loss determination from coolant temperature

rise

Calorimetric2-3-D

Dynamometer for full-load; Specific converter supply

6.3Torque

measurementInput-Output2-3-C

Sinusoidal supply and specific converter supply for full-

load operation6.2

Harmonic loss determination with converter

for final application

Summation of losses:

Supply with specific

converter for final

application

2-3-B

Sinusoidal supply and test-converter supply for full-

load operation6.1

Harmonic loss determination

with test-converter

according to Annex A

Summation of losses:

Test-converter supply

2-3-A

Required facilityClauseDescriptionMethodRef

Method 2Method 2--33--A: Summation of LossesA: Summation of Losses

�� Specific Test Methods For Determining Losses Specific Test Methods For Determining Losses And Efficiency Of ConverterAnd Efficiency Of Converter--fed AC Induction fed AC Induction MotorsMotors

�� The Objective Is To Allow For Comparison Of The Objective Is To Allow For Comparison Of Harmonic Losses Of Different AC Induction Harmonic Losses Of Different AC Induction Motors When Converter FedMotors When Converter Fed

�� The Losses Determined Under Standardized The Losses Determined Under Standardized Conditions With A Standardized ConverterConditions With A Standardized Converter

�� Losses Determined Under These Conditions Losses Determined Under These Conditions Are Not Intended To Represent The Losses In Are Not Intended To Represent The Losses In The Final ApplicationThe Final Application

Method 2Method 2--33--A: Standardized ConverterA: Standardized Converter

�� Two Level Voltage Source ConverterTwo Level Voltage Source Converter�� Standard PWM WaveformStandard PWM Waveform�� No No OvermodulationOvermodulation�� No Missing PulseNo Missing Pulse�� 2 or 4 kHz Carrier Depending of Motor Rating2 or 4 kHz Carrier Depending of Motor Rating

0 0.005 0.01 0.01 0.02 0.025400

200

0

200

400Phasenspannung Umrichter [V]

t [s]

U_R

, Um

r

Inverter terminal voltage Vu

0

Vd+

Vd-

t [s]0 0.005 0.01 0.01 0.02 0.025

400

200

0

200

400Phasenspannung Umrichter [V]

t [s]

U_R

, Um

r

Inverter terminal voltage Vu

0

Vd+

Vd-

t [s]

Method 2Method 2--33--A: ProcedureA: Procedure

�� Load / NoLoad / No--Load Test with Sinusoidal SupplyLoad Test with Sinusoidal Supply

�� Load / NoLoad / No--Load Test with Converter SupplyLoad Test with Converter Supply

�� Development of a Harmonic Loss RatioDevelopment of a Harmonic Loss Ratio

%100PP

rsinT

HLHL ⋅=

New Proposal for Test ProcedureNew Proposal for Test Procedure

�� Proposal to Use the Converter Connected to Proposal to Use the Converter Connected to the Motor (Converter Fed) and Switched to the Motor (Converter Fed) and Switched to Sinusoidal Supply or Through a Sinusoidal Supply or Through a ““Sine FilterSine Filter””

�� Not Implemented in Actual DTSNot Implemented in Actual DTS

Some IssuesSome Issues

�� Availability of the Standard Test ConverterAvailability of the Standard Test Converter

�� Dependency or not of Harmonic Losses with Dependency or not of Harmonic Losses with LoadLoad

�� Type of Converter Output Power MeasurementType of Converter Output Power Measurement

�� OthersOthers……

TimelineTimeline

�� February 2013: DTS in Circulation for February 2013: DTS in Circulation for Comments by National Committees (NC)Comments by National Committees (NC)

�� May 2013: TC2/WG28 Meeting in Istanbul to May 2013: TC2/WG28 Meeting in Istanbul to Discuss: Comments, New Proposals, IssuesDiscuss: Comments, New Proposals, Issues

Questions?Questions?