EHV XLPE – Current Rating

EHV XLPE Cable:

3.8 / 6.6 KV(6.6 KV Earthed) Single Core AL/COPPER COND, XLPE INSULATED  CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
1cX25    23    100    90    120    130    115    155    2.35    3.58  
1cX 35    24    120    105    145    155    140    185    3.29    5.00  
1cX50    25    140    125    170    185    160    220    4.70    7.15  
1cX70    27    175    155    215    225    195    275    6.58    10.01  
1cX 95    28    205    180    260    265    235    340    8.93    13.59  
1cX120    30    235    205    305    300    265    390    11.28    17.16  
1cX150    32    260    230    345    335    295    440    14.10    21.45  
1cX185    34    295    260    395    380    330    510    17.39    26.46  
1cX240    37    340    300    470    435    380    600    22.56    34.32  
1cX300    39    385    335    540    490    425    680    28.20    42.90  
1cX400    44    0.57    440    380    630    550    480    790    37.60  
1cX 500    47    0.60    495    430    730    610    530    910    47.00  
1cX 630    51    0.67    560    480    840    680    580    1030    59.22  
1cX800    57    0.76    620    530    960    740    630    1140    75.20  
1cX1000    61    0.82    680    580    1070    790    670    1250    94.00  
                   

3.8 / 6.6 KV(6.6 KV Earthed) Three Core AL/COPPER COND, XLPE INSULATED  CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
3cX 25    40    95    82    105    120    105    135    2.35    3.58  
3cX 35    42    115    97    125    145    125    165    3.29    5.01  
3cX 50    45    130    115    150    170    150    195    4.70    7.15  
3cX 70    49    160    140    190    210    180    240    6.58    10.01  
3cX 95    54    190    165    230    250    215    295    8.93    13.59  
3cX 120    58    220    190    260    280    240    335    11.28    17.16  
3cX 150    61    245    210    295    310    270    380    14.10    21.45  
3cX 185    65    275    240    335    350    305    430    17.39    26.46  
3cX 240    72    315    275    395    400    350    500    22.56    34.32  
3cX 300    77    355    310    450    445    390    570    28.20    42.90  
3cX 400    88    400    350    520    500    440    650    37.60    57.20  
                   

6.6 / 11 KV (6.6KV Un-Earthed/ 11 KV Earthed) Single Core AL/COPPER COND, XLPE INSULATED, CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
1cX25    24    100    90    120    130    115    155    2.35    3.58  
1cX 35    25    120    105    145    155    140    185    3.29    5.00  
1cX50    26    140    125    170    185    160    220    4.70    7.15  
1cX70    28    175    155    215    225    195    275    6.58    10.01  
1cX 95    30    205    180    260    265    235    340    8.93    13.59  
1cX120    32    235    205    305    300    265    390    11.28    17.16  
1cX150    33    260    230    345    335    295    440    14.10    21.45  
1cX185    36    295    260    395    380    330    510    17.39    26.46  
1cX240    39    340    300    470    435    380    600    22.56    34.32  
1cX300    41    385    335    540    490    425    680    28.20    42.90  
1cX400    44    440    380    630    550    480    790    37.60    57.20  
1cX 500    47    495    430    730    610    530    910    47.00    71.50  
1cX 630    51    560    480    840    680    580    1030    59.22    90.10  
1cX800    57    620    530    960    740    630    1140    75.20    114.40  
1cX1000    61    680    580    1070    790    670    1250    94.00    143.00  
                   

6.6 / 11 KV (6.6KV Un-Earthed/ 11 KV Earthed) Three Core AL/COPPER COND, XLPE INSULATED, CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
3cX 25    43    95    82    105    120    105    135    2.35    3.58  
3cX 35    46    115    97    125    145    125    165    3.29    5.01  
3cX 50    50    130    115    150    170    150    195    4.70    7.15  
3cX 70    54    160    140    190    210    180    240    6.58    10.01  
3cX 95    58    190    165    230    250    215    295    8.93    13.59  
3cX 120    62    220    190    260    280    240    335    11.28    17.16  
3cX 150    65    245    210    295    310    270    380    14.10    21.45  
3cX 185    70    275    240    335    350    305    430    17.39    26.46  
3cX 240    76    315    275    395    400    350    500    22.56    34.32  
3cX 300    80    355    310    450    445    390    570    28.20    42.90  
3cX 400    90    400    350    520    500    440    650    37.60    57.20  
                   

11 KV(11 KV Un-Earthed) Single Core AL/COPPER COND., XLPE INSULATED  CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
1cX25    28    100    90    120    130    115    155    2.35    3.58  
1cX 35    29    120    105    145    155    140    185    3.29    5.00  
1cX50    31    140    125    170    185    160    220    4.70    7.15  
1cX70    33    175    155    215    225    195    275    6.58    10.01  
1cX 95    34    205    180    260    265    235    340    8.93    13.59  
1cX120    37    235    205    305    300    265    390    11.28    17.16  
1cX150    38    260    230    345    335    295    440    14.10    21.45  
1cX185    40    295    260    395    380    330    510    17.39    26.46  
1cX240    43    340    300    470    435    380    600    22.56    34.32  
1cX300    44    385    335    540    490    425    680    28.20    42.90  
1cX400    48    440    380    630    550    480    790    37.60    57.20  
1cX 500    53    495    430    730    610    530    910    47.00    71.50  
1cX 630    56    560    480    840    680    580    1030    59.22    90.10  
1cX800    61    620    530    960    740    630    1140    75.20    114.40  
1cX1000    65    680    580    1070    790    670    1250    94.00    143.00  
                   

11 KV(11 KV Un-Earthed) Three Core AL/COPPER COND., XLPE INSULATED  CABLES As per IS:7098 (Part-II)

Cross-sectional area        (Sq MM)  

ARMOURED CABLE

Overall Diameter (mm)

Normal Current Rating in Amps 

Short Circuit Current Rating for 1Sec.duration in K. Amps 

Aluminum Conductor

Copper Conductor

Aluminum

Copper

Ground Duct Air Ground Duct Air
3cX 25    54    95    82    105    120    105    135    2.35    3.58  
3cX 35    57    115    97    125    145    125    165    3.29    5.01  
3cX 50    60    130    115    150    170    150    195    4.70    7.15  
3cX 70    64    160    140    190    210    180    240    6.58    10.01  
3cX 95    69    190    165    230    250    215    295    8.93    13.59  
3cX 120    73    220    190    260    280    240    335    11.28    17.16  
3cX 150    76    245    210    295    310    270    380    14.10    21.45  
3cX 185    80    275    240    335    350    305    430    17.39    26.46  
3cX 240    85    315    275    395    400    350    500    22.56    34.32  
3cX 300    91    355    310    450    445    390    570    28.20    42.90  
3cX 400    98    400    350    520    500    440    650    37.60    57.20  
                   
                   

38 / 66KV (66 KV Un-Earthed) single Core AL COND, XLPE INSULATED  CABLES

Cross-sectional area        (Sq MM

ARMOURED CABLE

Overall Diameter (mm)

Weight

Current Rating in Amps

Ground

Duct

1cX 95  

51

2700

195

240

1cX120  

53

2900

220

280

1cX150  

55

3300

240

335

1cX185  

58

3600

275

380

1cX240  

60

3900

320

450

1cX300  

62

4300

360

510

1cX400  

66

4900

410

595

1cX 500  

69

5300

460

690

1cX 630  

75

6400

525

800

1cX800  

79

7300

590

910

1cX1000  

84

8400

650

1010

         
         

About Jignesh.Parmar
Jignesh Parmar has completed M.Tech (Power System Control), B.E(Electrical) from Gujarat University. He has more than 13 years experience in Power Transmission-Power Distribution-Electrical energy theft detection-Electrical Maintenance-Electrical Projects(Planning-Designing-coordination-Execution). He is Presently associate with one of the leading business group as a Deputy Manager at Ahmedabad,India. He is Freelancer Programmer of Advance Excel and design useful Excel Sheets of Electrical Engineering as per IS,NEC,IEC,IEEE codes. He is technical Author for "Electrical Mirror" and "Electrical India" Magazines. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. He wants to Share his experience & knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics.

11 Responses to EHV XLPE – Current Rating

  1. jigar says:

    please,help me to find the losses of cable.

    i wanna find losses of cable of 400 sq mm. 33 kv. 3080 mtr length
    is there any cap. effect include in it???

  2. CHANDRASHEKHAR M says:

    FOR 22 KV GRADE ,XLPE CABLE , THREE CORE ,EARTHED CABLE WHAT SHOULD BE THE FAULT CURRENT

  3. Faisal Cm says:

    Sir we got a cable work of 1cx800 sq mm copper cable ,length/drum=600 m, what kind(power)of electric winch require for this cable?

  4. BS VAIDYA says:

    I want to use 400 sq. mm XLPE cables for 66 KV sub station. Is there any restriction from GETCO/DGVCL?

  5. yousuf khan says:

    Dear Sir, i need information above EHV Cable more than 1000 Sq mm cable details current ratings.

  6. Mohammed Shiyas says:

    Dear Sir,
    How to find maximum short circuit current to calculate min. conductor size in 1C X 630 Sq mm Armoured XLPE cable.

  7. Saju says:

    Sir,

    what size of pvc sleeve using for 240mm Sq. cable

  8. Chandrahas says:

    Which is best insulation LV cable types for long distance in size of 3.5 core in 300 mm aluminium

  9. Chandrahas says:

    Please suggest chart for selection of LV Cables size 3.5 core X 300 mm in Aluminium conductor for length approx 230 meters

  10. Dinesh says:

    Dear Sir what about voltage levels above 66 KV

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