Posts

Showing posts with the label Minimum Electrical Clearance

RDSS project objectives

Image
Objectives of RDSS Project as below. Reduction of AT&C losses to pan-India levels of 12-15% by 2024-25. Reduction of ACS-ARR gap to zero by 2024-25. Developing Institutional Capabilities for Modern DISCOMs Improvement in the quality, reliability, and affordability of power supply to consumers through a financially sustainable and operationally efficient Distribution Sector.

Minimum Electrical Clearance

Minimum Electrical Clearance As Per BS:162. INDOOR Voltage in KV Phase to earth in mm Phase to phase in mm 0.415 15.8 19.05 0.600 19.05 19.05 3.3 50.8 50.8 6.6 63.5 88.9 11 76.2 127.0 15 101.6 165.1 22 139.7 241.3 33 222.25 355.6 Minimum Electrical Clearance As Per BS:162. OUTDOOR Voltage in KV Phase to earth in mm Phase to phase in mm 6.6 139.7 177.8 11 177.8 228.6 22 279.4 330.2 33 381 431.8 66 685.8 787.4 110 863.6 990.6 132 1066.8 1219.2 220 1778 2057.4   Minimum Working Clearance: OUTDOOR SWITCHYARD Voltage in KV To ground in mm Between section(mm) 11 2750 2500 33 3700 2800 66 4000 3000 132 4600 3500 220 5500 4500   Minimum Ground Clearance As Per IE-1956(Rule 77) Voltage in KV To ground in mtr 132 6.10 220 7.00 400 8.84 800 12.40     Minimum Clearance between Lines Crossing Each Other (IE-1957) System Voltage 132KV 220KV 400KV 800KV Low & Medium 3.05 4.58 5.49 7.94 11-66KV 3.05 4.58 5.49 7.94 132KV 3.05 4.58 5.49 7.94 220KV 4.58 4.58 5.49 7.94 400KV 5.49 5....