IEC 60034-29:2008
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English - French, Spanish, Castilian
03-11-2008
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
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