Electrical Adda

Transmission line consists of  1)  STRAY  INSULATOR 2) LIGHTNING ARESSTOR 3) COUPLING CAPACITOR 

Different Levels of 3 Phase & Single PhaseVoltages Voltage Levels 3 Phase Voltage   1 Phase Voltages Maximum System Voltage                   440V           254V Highest System Voltage                   433V            250V Normal System Voltage                   415V           240V Normal System Voltage                   400V           230V Minimum System Voltage ...

Cable Gland Sizes for Different Cable Sizes   CABLE     SQMM      Cable Gland Size         (mm) 1.5 12 1.5 16 2.5 19 4 22 6 22 10 25 16 28 25 32 35 32 50 35 70 38 95 45 120 45 150 50 185 50 240 57 300 63 400 70 630 100

CABLE SIZING FOR LT SIDE: SQ MM Aluminium LOAD AMPS (A) Copper LOAD AMPS (A) 0.5 3 5 0.75 4.5 7.5 1 6 10 1.5 9 15 2 12 20 2.5 15 25 4 24 40 6 39.6 49.8 10 53 67 16 68.8 84.8 25 97.5 125 35 115.5 154 50 140 190 70 175 231 95 218.5 285 120 252 324 150 285 375 185 333 425.5 240 384 504 300 450 570 400 520 640 500 600 750 630 693 819 800 880 1120 1000 1060 1250

Technical Specifications for  11/0.433 KV     Distribution Transformer 25 KVA T/F      1)    Nominal System voltage : 11KV      2)    Highest System Voltage : 12KV       3)    Nominal Primary Voltage :11KV      4)    Nominal Secondary Voltage :433V      5)    HV side Line current (Amps) : 1.312 A      6)    LV side Line current (Amps) : 33.33 A      7)    HV Winding :   Delta          8)    LV Winding : Star         9)    Vector Group : Dyn 11     10)     Neutral Earthing : Solidly Earthed     11)      Frequency: 50Hz ± 3%Tolerance.     12)      Transformer OIL in Litres: 100 Lts.   ...