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cable calcs

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

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

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