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EN 60034-29:2008

Current
Current

The latest, up-to-date edition.

Rotating electrical machines - Part 29: Equivalent loading and superposition techniques - Indirect testing to determine temperature rise
Published date

07-11-2008

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Symbols and units
4 General test requirements
5 Superposition method
  5.1 Basic principles
      5.1.1 General
      5.1.2 Temperature rise
      5.1.3 Estimation of temperature rise from reduced
            load tests
  5.2 Induction motors
      5.2.1 Applicable tests
      5.2.2 Method of reduced voltage and rated current
      5.2.3 Method of rated voltage and reduced current
      5.2.4 Method combining tests at reduced voltage and
            reduced current
  5.3 Synchronous machines
      5.3.1 Method of open circuit, short circuit, zero
            excitation
      5.3.2 Method of zero power factor and open circuit
            loading
  5.4 DC machines
6 Equivalent load method
  6.1 Principles
      6.1.1 General
      6.1.2 Temperature rise
  6.2 Induction motors
      6.2.1 Forward short-circuit test
      6.2.2 Modulated frequency method
      6.2.3 DC injection
      6.2.4 Mixed-frequency or bi-frequency method
  6.3 Synchronous machines - Zero power factor
7 Preferred methods
Annex A (informative) Example calculation
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

IEC 60034-29 provides various indirect load tests, the purpose of which is to determine the temperature rise of rotating electrical machines, including a.c. induction machines, a.c. synchronous machines and d.c. machines. The test methods in some cases provide, in addition, means of measuring or estimating other parameters such as losses and vibration. Applies to machines covered by IEC 60034-1 when they cannot be loaded to a specific condition. Is applicable to both motors and generators.

Committee
CLC/TC 2
DevelopmentNote
Supersedes EN 61986. (07/2008)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

EN 60034-2-1:2014 Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
I.S. EN 60034-2-1:2014 ROTATING ELECTRICAL MACHINES - PART 2-1: STANDARD METHODS FOR DETERMINING LOSSES AND EFFICIENCY FROM TESTS (EXCLUDING MACHINES FOR TRACTION VEHICLES)
BS EN 60034-2-1:2014 Rotating electrical machines Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
BS EN 60079-0 : 2012 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS
EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)

EN 60034-1:2010/corrigendum Oct. 2010 ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE
IEC 60034-2-1:2014 Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
EN 60034-2-1:2014 Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance

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