Project Document No

3000448 - NHN Refinery CWS & FW UpgradeNHN-64-E-KCN-00036

Document Type Created by Revision Date Revision

Calculation shth 11/6/2015 00AExternal Document Name Document Status Page

PE- Aristi Projects Draft 1(3)

NOTE: THIS DOCUMENT IS TO BE REFERED ALONG WITH CABLE SIZING REPORT DOC. No. NHN-64-E-KCN-00014-001

Cable Sizing - LV Cables. Attachment 4

NYNÄS REFINING ABPostal address Office address Telephone Telefax Reg No

SE-149 82 NYNÄSHAMN RAFFINADERIVÄGEN +46 8 520 650 00 +46 8 520 176 38 556339-5044SWEDEN

THIS DOCUMENT IS TO BE REFERED ALONG WITH CABLE SIZING REPORT DOC. No. NHN-64-E-KCN-00014-001 Page 2(3)

S. No. Cable Tag Cable Selected

Derating factors

Rev.

1 E48D-1000 225 400 20 28.87 160 2//FKKJ 4*70/35 32 324 0.84 0.96 0.6 156.76 0.11 00A2 E48D-1001 225 230 0.036 0.09 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 0.08 00A3 E48D-1002 130 230 0.2 3.50 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 1.69 00A4 E48D-1003 130 230 0.48 3.50 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 1.69 00A5 E48D-1004 90

230 0.26 1.60 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 1.36 00A6 E48D-1005 1507 E48D-1006 200

230 0.26 1.60 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 1.36 00A8 E48D-1007 909 E48D-1008 300 230 0.13 0.80 10 EKKJ 2*2.5/2.5 12 28 0.84 0.96 0.6 13.55 0.89 00A

Length (m)

Service Voltage

(V)

Demand Load (kW)

Demand Current (A)

Feeder Rating (A)

Cable Dia.

(mm)

Cable Ampacity (A)

Derated Ampacity (A)

Voltage Drop %Soil

Temperature @35 Deg C

Soil Thermal Resisitivity (3K.m/W)

Grouping factor (6 cables, conduits

touching)

MINIMUM CABLE SIZE TO WITHSATND SHORT CIRCUIT CURRENT. Page 2(3)

* SELECTED CIRCUIT BREAKER = 160 Amps (Assumed at this stage)

* 600 (AS PER SCHNIEDER CATALOG)

* 45.37 (IEC 60364-5-54)

A= 6.74 mm² K=115, CU/XLPE

MCCB SPECIFIC LET-THROUGH ENERGY I2T = 6x105= kA2S

MINIMUM CABLE SIZE TO WITHSTAND SCC, A2= I2T/K2=