Spreadsheet: 65863d1266507069-index-match-elec-toolkit-v10
Sheet: Cable Report

Cable Calculation Report
 |  |  | Project Reference: |  |  |  |  |  |  |  |  |  |  |  |  | NAME HERE to (17th Edition) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Job Number:
 |  |  | Document No: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Created On : |  |  |  |  |  |  |  |  |  |  |  |  | 2010-02-15 00:00:00 |  |  |  |  |  |  |  |  |  |  |  |  | Rev Date :
 |  | Created By : |  |  |  |  |  |  |  |  |  |  |  |  |  | NAME HERE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Modified By: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Rev No:
 | Calculated in accordance with BS7671
 |  | Cable |  |  |  |  |  |  |  | MCC1/xx/P001
 |  | Connection |  |  |  |  |  |  | From: |  |  |  |  |  | Main MCC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | To: |  |  | Sludge Trans Pump 2
 |  |  |  |  |  | Active Source: |  |  |  |  |  |  |  |  | Transformer
 |  | Load |  |  |  |  |  |  | Type: |  |  |  |  | Motor, DOL, three phase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Design Current Ib (A): |  |  |  |  |  |  |  |  |  |  |  | 71.08516827860257
 |  | Comments
 |  | Protective Device |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [a] = Auto, [f] = Fixed, [m] = [NAME].
 |  | Overcurrent protection: |  |  |  |  |  |  |  |  |  |  |  |  |  | BS88
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Rating In (A): |  |  |  |  |  |  |  | 125 |  |  |  |  | [a] |  |  |  |  |  |  |  |  | Overload Setting Ir (A): |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 |  |  |  |  | [m]
 |  | Conductors |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [a] = Auto, [f] = Fixed, [d] = Double
 |  |  | Single-core 70°C thermoplastic non-arm Cu Table 4D1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 x 1 x 3c |  |  |  |  |  |  |  |  | [NAME] ([NAME]  ):
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 2.5 |  |  |  | [a]
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Length (m): |  |  |  |  |  |  | 75
 |  |  | 70 - In conduit or ducting in the ground
 |  | Rating Factors
 |  |  | Ground Temperature(°C) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Ctg |  |  | = |  | 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cgg = |  |  |  | 1.00
 |  |  | Circuits In Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Depth of Lay (m) = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.70 |  |  |  |  |  | Cdg = |  |  |  | 1.00
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Thermal Resistivity = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50 |  |  |  |  |  | Crg = |  |  |  | 1.000
 |  |  | 3rd Harmonics (%) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Ch |  |  | = |  | 1.00
 |  |  | CPD and Installation Factor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cc |  |  | = |  | 0.900 |  |  |  |  |  |  |  | [Factor: 0.725 for CPD type BS 30365; 0.9 for Installation Methods 70-73]
 |  | Cable sizing (A) |  |  |  |  |  |  |  |  |  |  | Sized For: Phase Current Carrying Capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Auto-sized for current-carrying capacity and voltage drop limits.
 |  |  | Design Current Ib |  |  |  |  |  |  |  |  |  |  |  |  | = |  | 10.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Voltage drop limit = 18.4 V (to BS 7671:2008 Appendix 12)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [Ir > Ib]
 |  |  | Device Rating In |  |  |  |  |  |  |  |  |  |  |  |  | = |  | 25 |  |  |  |  |  | Overload Setting Ir |  |  |  |  |  |  |  |  |  |  |  |  | = |  |  | 25 |  |  |  |  |  | _
 |  |  | Min. Cable Capacity Iz |  |  |  |  |  |  |  |  |  |  |  |  | = |  | 11.8
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [It > Iz]
 |  |  | Actual Cable Rating It |  |  |  |  |  |  |  |  |  |  |  |  |  | = |  | 24.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | _
 |  |  |  | Load Current and Voltage Drop |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | L1 |  |  |  |  |  |  |  |  |  |  |  |  |  | L2 |  |  |  |  |  |  |  |  |  |  |  | L3 |  |  |  |  |  |  |  |  | Neutral
 |  |  | Design Current Ib (A/PF) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.6 |  |  |  |  |  | / | 0.84 |  |  |  |  |  |  | 10.6 |  |  |  |  |  | / | 0.84 |  |  |  |  | 10.6 |  |  |  |  |  | / |  | 0.84 |  |  |  |  | N/A
 |  |  | 3rd Harmonic Current (A) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |  |  |  |  |  |  |  |  |  | N/A
 |  |  | Voltage Drop - This circuit (V/%) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.15 |  |  |  |  | / | 2.24 |  |  |  |  |  |  |  | 5.15 |  |  |  |  | / | 2.24 |  |  |  |  |  |  | 5.15 |  |  |  | / | 2.24 |  |  |  |  |  | -----
 |  |  | Voltage Drop - From Source (V/%) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.21 |  |  |  |  | / | 2.27 |  |  |  |  |  |  |  | 5.21 |  |  |  |  | / | 2.26 |  |  |  |  |  |  | 5.21 |  |  |  | / | 2.26 |  |  |  |  |  | -----
 |  | Earth Fault |  |  |  |  |  |  |  | Circuit Protective Conductor (CPC) (mm²): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Separate 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [a] |  | [a] = Auto, [f] = Fixed
 |  |  | Earth Fault Loop Impedance (  ): |  |  |  |  |  |  |  |  |  |  |  | Ze |  |  |  |  |  |  |  | Z1 |  |  |  |  |  |  |  |  |  |  | [NAME] |  |  |  |  |  |  |  |  |  | Zs |  |  |  |  |  |  |  |  | [NAME]. Zs |  |  |  |  |  |  |  |  |  | Earth Fault Current (kA)
 |  |  |  |  |  |  |  | W |  |  |  |  |  |  | 0.02803 |  |  |  |  |  |  |  | 0.64952 |  |  |  |  |  |  |  |  |  |  | 0.67500 |  |  |  |  |  |  |  |  |  | 1.33089 |  |  |  |  |  |  |  |  | 1.35207
 |  |  | Disconnection time (s): |  |  |  |  |  |  |  |  |  |  |  |  | From characteristic: |  |  |  |  |  |  |  |  | 0.37 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Maximum for circuit: |  |  |  |  |  |  |  |  |  |  |  | 0.40
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.17
 |  |  | Adiabatic check ([NAME]
 |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  | CPC Section = |  |  |  |  |  |  | Separate 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total = |  |  |  |  |  | 2.5 |  |  |  | Min. Section = |  |  |  |  |  |  |  | 0.91
 |  | Phase Fault
 |  |  | Phase Fault Current Max./Min. (kA): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Source End: |  |  |  |  |  |  |  |  | 8.324 |  |  |  |  | / |  | 8.226 |  |  |  |  |  |  |  |  | Load End: |  |  |  |  |  |  | 0.420 |  |  |  |  |  | / | 0.305
 |  |  | Protective Device Breaking Capacity (kA): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Icu: |  |  |  | 80 |  |  |  | Ics: |  |  |  | 80
 |  |  | Adiabatic Check: |  |  |  |  |  |  |  |  |  | CPD Energy Let-through ([NAME]):  1,850.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Adiabatic Limit k²S² (A²s):  82.66 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | x 10 |  |  | 3