ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 2-3: THERMAL RESISTANCE - CABLES INSTALLED IN VENTILATED TUNNELS
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope <br>2 Normative references <br>3 Terms, definitions and symbols<br>4 Description of method <br>5 Formulae for air properties <br>6 Temperature profile<br>Annex A (informative) - Calculation example <br>Annex B (informative) - Delta-star transformation<br>Annex C (informative) - Calculation of F[m] coefficient<br>Bibliography
Specifies a method for calculating the continuous current rating factor for cables of all voltages installed in ventilated tunnels.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 20 |
