CEI 14-15 : 2006
Current
POWER TRANSFORMERS - PART 7: LOADING GUIDE FOR OIL-IMMERSED POWER TRANSFORMERS
Hardcopy , PDF
English
01-01-2006
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Effect of loading beyond nameplate rating
6 Relative ageing rate and transformer insulation life
7 Limitations
8 Determination of temperatures
9 Influence of tap changers
Annex A (informative) - Calculation of winding and oil
time constant
Annex B (informative) - Practical example of the exponential
equations method
Annex C (informative) - Illustration of the differential
equations solution method
Annex D (informative) - Flowchart, based on the example
in annex B
Annex E (informative) - Example of calculating and
presenting overload data
Bibliography
Pertains to oil-immersed transformers.
| Committee |
CT 14
|
| DocumentType |
Standard
|
| Pages |
60
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 60076-7:2005 | Identical |
| IEC 60354:1991 | Identical |
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