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cable calcs

Author: tovey carl
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. Cg
1. It
2. P ÷ root 3 x VL x PF
3. symbol for design current
4. step 1
5. step 3
6. symbol for protective device
7. single phase formula
8. Ci
9. formula for It
10. P x 1.8÷V
11. Ca
12. Tabulated current
13. current carrying capacity
14. formula for volt drop
15. step 2

Answers:
0. size of protective device
1. I =P ÷ V
2. reference method
3. symbol for tabulated current
4. Ib
5. design current
6. In ÷ Cf
7. ambient temperature
8. formula if discharge lights
9. step 4
10. In
11. thermal insulation
12. 3 phase Ib formula
13. vd = mv/A/m x L x Ib ÷ 1000
14. cable grouping
15. step 5
.