IEC 60034-4:1985
Rotating electrical machines. Part 4: Methods for determining synchronous machine quantities from tests
Applies to three-phase synchronous machines of 1 kVA rating and larger with rated frequency of not more than 400 Hz and not less than 15 Hz. An appendix gives unconfirmed test methods for determining synchronous machine quantities.Notes:1 -Tests are not applicable to synchronous machines such as permanent magnet field machines, inductor type machines, etc.2 -They also apply to brushless machines, but certain variations exist and special precautions should be taken.
Applies to three-phase synchronous machines of 1 kVA rating and larger with rated frequency of not more than 400 Hz and not less than 15 Hz. An appendix gives unconfirmed test methods for determining synchronous machine quantities. Notes: 1 -Tests are not applicable to synchronous machines such as permanent magnet field machines, inductor type machines, etc. 2 -They also apply to brushless machines, but certain variations exist and special precautions should be taken.
Applies to three-phase synchronous machines of 1 kVA rating and larger with rated frequency of not more than 400 Hz and not less than 15 Hz. An appendix gives unconfirmed test methods for determining synchronous machine quantities. Notes: 1 - Tests are not applicable to synchronous machines such as permanent magnet field machines, inductor type machines, etc. 2 - They also apply to brushless machines, but certain variations exist and special precautions should be taken.
IEC 60034-4:2008 applies to three-phase synchronous machines of 1 kVA rating and larger with rated frequency of not greater than 500 Hz and not less than 10 Hz. The main changes with respect to the previous edition are as follows: - removal of certain tests for lack of relevance in current practise; - addition of provisions for tests on machines with brushless excitation; - addition of a table of test methods indicating preferred tests and cross-references.
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