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                      ELECTRICITY DISTRIBUTION OVERHEAD LINE (HV&LV JOINT LINE)

ELECTRICITY DISTRIBUTION

POLE SELECTION

HV&LV Common Pole Selection

LV Pole Selection

Conductor Ice Load Calculation

 

HV-LV COMMON POLE CONDUCTOR

TENSION CALCULATION


 Conductor Tension For Ice Load Zone

All Ice Load Zone Tension

LV System Type Tension

(HV+0.81xLV) Common Tension

(LV+1.4375xHV) Transformer Pole T.

 

 

HV&LV COMMON CARRIER (STRAIGHT) POLE SELECTION

          

               Pole Span: 50 m        40 m

            HV SYSTEM:        LV SYSTEM:

 

   3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy                       3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy

    1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Wind Load:  154,4 kg                            

     Calculation For Common Steel Pole:

     Pole Strong Side Maximum Tension: 154,4   kg                                        

     Pole Weak Side Maximum Tension.: 14,8 kg

     Selected Steel Pole.........................: 10I'' (243/42)kg 

 

     Calculation For Common Concrete Pole:

     Pole  Maximum Tension................: 154,4  kg                                         

     Selected Concrete Pole..................: 11/2 kg

 

    Calculation For Common Concrete Pole:

     Pole  Maximum Tension..................: 154,4  kg                                         

     Selected Wooden Pole......................: 12-H (221) kg top diameter (19-21) cm

 

 

    Note:1- Concrete Pole  11/4 = Pole Height 11 m, strength at the top 400 kg.

              2- Wooden Pole 12-L (90) Light wooden pole length 12 m, strength at the top 90 kg (L=Light, M=Medium, H=Heavy)

              2- I'', U'', Long Span (50 m) I and U profile steel  pole. K'' Long Span (50 m) lattice pole

              3- I', U', Short Span (40 m) I ve U profile steel  pole. K' Short Span (40 m) lattice pole

 

 

 

HV&LV COMMON CORNER CARRIER POLE  SELECTION

      

              Pole Span: 50 m        40 m       Angle(α) :

            HV SYSTEM:        LV SYSTEM:

 

                                         

   

    Calculation For Common Steel Pole:                       

     1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Tension Force :  741,3 kg                                            

     Pole Strong Side Maximum Tension...: 740,8  kg                                      

     Pole Weak Side Maximum Tension....: 14,8 kg

     Selected Steel Pole.............................: 12U'' (868/99) kg

 

    Calculation For Common Concrete Pole:

   1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Tension Force :  658,3 kg                                            

     Pole Maximum Tension.....................: 657,8    kg                                    

     Selected Concrete Pole......................: 11/7 

  

    Calculation For Common Concrete Pole:

   1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Tension Force :  658,3 kg                                            

     Pole Maximum Tension.....................: 657,8    kg                                    

     Selected Wooden Pole........................:  Wooden poles are not used in this conductor arrangement. 

 

 

                                                                                              

HV&LV COMMON  STOPPER(TERMINAL) POLE  SELECTION

      

             Pole Span: 50 m        40 m

            HV SYSTEM:         LV SYSTEM 1:

                                                                                                           LV SYSTEM 2:

   3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy                       3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy

  1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Tension Force :  741,3 kg    Wind Load :  77,2

  1.Bölge  3 x SWALLOW (3AWG)+ 3xPansy+Rose / Pansy Tension Force :  662,2 kg    Wind Load : 70,2

    

 

Calculation For Common Steel Pole:

  

1-HV Stopped(Terminated)+LV Stopped(Terminated)  Common Pole Selection:

T1= 741,3    T2= 662,2  T2weak= 397,3    T= 344     Twind= 147,4  kg  Pole must be :(344/147,4) . Selected Pole = 12I'' (750/175) 

2-HV Stopped(Terminated)+LV Carried(Straight) Common Pole Selection:

Ttension(3 x SWALLOW (3AWG))= 263,4  Tweak=65,8   Ttension=197,5   Twind= 147,4  kg  Pole must be :(197,5/147,4) . Selected Pole= 12I'' (750/175) 

3-HV  Carried(Straight)+LV Stopped(Terminated) Common Pole Selection:

Ttension(3xPansy+Rose / Pansy)= 492,4   Tweak=246,2     Ttension= 278,5   Twind= 147,4     kg Pole must be :(278,5/147,4)  Selected Polek = 12I'' (750/175) 

4-Only  HV  Conductor Common Pole Selection:

Ttension(3 x SWALLOW (3AWG))= 263,4   Tweak=65,8     Ttension= 197,5   Twind= 56,6    kg  Pole must be :(197,5/56,6)  Selected Pole = 8U'' (350/94) 

 

                         Calculation For Common Concrete Pole:

1-HV Stopped(Terminated)+LV Stopped(Terminated)  Common Pole Selection:

T1= 658,3    T2= 589,8  T2weak= 353,9    T= 304,4     Twind= 147,4 kg   Pole must be :(304,4/147,4) . Selected Pole = 11/3.5 

2-HV Stopped(Terminated)+LV Carried(Straight) Common Pole Selection:

Ttension(3 x SWALLOW (3AWG))= 235,8  Tweak=59   Ttension=176,8   Twind= 147,4   kg Pole must be :(176,8/147,4) . Selected Pole= 11/2 

3-HV  Carried(Straight)+LV Stopped(Terminated) Common Pole Selection:

Ttension(3xPansy+Rose / Pansy)= 437,01   Tweak=218,5     Ttension= 245,5   Twind= 147,4    kg  Pole must be :(245,5/147,4) . Selected Pole= 11/2.5 

4-Only  HV  Conductor Common Pole Selection:

Ttension(3 x SWALLOW (3AWG))= 235,8   Tweak=59     Ttension= 176,8   Twind= 56,6    kg  Pole must be :(176,8/56,6) . Selected Pole = 11/2 

 

 *For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.

                                                                                                                                                                

HV&LV COMMON CORNER STOPPER(TERMINAL) POLE  SELECTION  

      

             Pole Span: 50 m        40 m         Açı(α) :   

            HV SYSTEM:         LV SYSTEM 1:

                                                                                                           LV SYSTEM 2:

 

 

 Calculation For Common Steel Pole:

T1=  1.Bölge  3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy Tension Force :  741,3 kg    

T2=  1.Bölge  3 x SWALLOW (3AWG)+ 3xPansy+Rose / Pansy Tension Force:  662,2 kg    

 

   α >=1200  whereas (For Common Steel Pole)

1-By Vector combination :

     Pole Strong Side Maximum Tension.: 701,3    kg                                       

     Pole Weak Side Maximum Tension.: 68,5kg

     Selected Steel Pole..........................: 12I'' (750/175) 

2-According to Unilateral Attenuation :

T2=  1.Bölge  3 x SWALLOW (3AWG)+ 3xPansy+Rose / Pansy Tension Force :  662,2 kg  

Rx = 568,9     Ry= 297,9   R= 866,8 kg ( for lattice Pole  R=Rx+Ry)

    Selected Steel Pole.........................................: K2'' (1300) 

 

   Pole Must Be : Zayıflama hesabına göre bulunan cer daha yüksek çıktığından K2'' (1300) direği seçilmelidir.

   α >=1200  whereas (For Common Steel Pole)

1-By Vector combination :

  Rx = 410,4       Ry= 573,6   R=984  kg (Since the lattice(cage) Pole is perpendicular to the Conductor direction )

Selected Steel Pole.:  K2'' (1300)  

 

2-According to Unilateral Attenuation :

 Rx = 542,8       Ry= 344,2   R=887  kg (Since the lattice(cage) Pole is perpendicular to the Conductor direction )

Selected Steel Pole :  K2'' (1300)  

 

    Pole Must Be : Bileşke hesabına göre bulunan cer daha yüksek çıktığından K2'' (1300) direği seçilmelidir.

 

  Calculation For Common Concrete Pole:

1-By Vector combination :

  Rx = 363,6       Ry= 510,9   R=627,1   kg (Since the concrete pole is round, the vector combination is taken.)

Selected Concrete Pole :  11/2  

 

2-According to Unilateral Attenuation :

 Rx = 481,5       Ry= 306,5   R=570,8  kg (Since the concrete pole is round, the vector combination is taken)

Selected Concrete Pole :  11/2  

 Pole Must Be  : Bileşke hesabına göre bulunan cer daha yüksek çıktığından 11/2 direği seçilmelidir.

 

 *For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.

                                                                                                                                                         

HV&LV COMMON DEAD-END POLE  SELECTION

      

             Pole Span: 50 m        40 m

            HV SYSTEM:         LV SYSTEM 1:

                                                                                                       

 

  T1= 3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy                                                       T2= 3 x SWALLOW (3AWG)

 Calculation For Common Steel Pole:

1-HV Carrier+LV Dead-End Pole Selection:

Tcer(3xAster+Rose / Pansy)= 492,4     Tcer= 477,9 kg  Trüzgar= 105,5      Pole must be :(477,9/105,5) . Selected Steel Pole = 10U'' (550/132) 

 

2-HV Corner Carrier +LV Dead-End Pole Selection:

Angle(α) :   

 

 

Tx= 609,7   Ty=228,2     Ttension= 837,9    Pole must be :(837,9/837,9) . Selected Steel Pole = K2'' (1300) 

 

 

 

 Calculation For Common Concrete Pole:

1-HV Carrier+LV Dead-End Pole Selection:

Ttension(3xAster+Rose / Pansy)= 437,01   Ttension= 422,5  kg    Pole must be :(422,5) . Selected Concrete Pole = 11/5 

 

2-HV Corner Carrier +LV Dead-End Pole Selection:

Ttension= 577,8 kg   Pole must be :(577,8) Selected Concrete Pole = 11/6 

 

*For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.

                                                                                                                     

HV&LV COMMON BRANCH POLE  SELECTION

 

         Pole Span: 50 m        40 m      

            HV SYSTEM:         LV SYSTEM 1:

                                                                                                           LV SYSTEM 2:

 
    3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy                                              3 x SWALLOW (3AWG)+ 3xAster+Rose / Pansy  
   
 

3xPansy+Rose / Pansy

  

1-(HV+LV) Main Line Carrier + LV Branch

Calculation For Common Steel Pole:

Ttension(3xAster+Rose / Pansy)= 492,4   Ttension= 398,8 kg     Pole must be:(398,8) . Selected Pole = 10U'' (550/132) 

Calculation For Common Concrete Pole:

Ttension(3xAster+Rose / Pansy)= 437,01   Ttension= 354 kg     Pole must be:(354) Olmalı. Selected Pole = 11/4 

 

2-(HV+LV) Main Line Corner Carrier + LV Braanch

   Angle(α1) :    Angle(α2) :   

Calculation For Common Steel Pole:

T1=T2(3 x SWALLOW (3AWG)+3xAster+Rose / Pansy)=741,3     T3(3xPansy+Rose / Pansy)=492,4   T3z=398,8   Tstrong= 1139,6 kg   Tweak=0  kg   

Ttension= 1139,6    Pole must be :(1139,6/1139,6) . Selected Pole = K2'' (1300) 

Calculation For Common Concrete Pole:

T1=T2(3 x SWALLOW (3AWG)+3xAster+Rose / Pansy)=658,3     T3(3xPansy+Rose / Pansy)=437,01   T3z=354   Tstrong= 1011,8 kg   Tweak=0  kg   

Ttension= 1011,8    Pole must be:(1011,8) . Selected Pole = 11/11 

 

 *For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.

                                                                                 

HV&LV COMMON DISTRIBUTION POLE  SELECTION

   Pole Span: 50 m        40 m      

HV SYSTEM:         LV   HV     LV SYSTEM  1:

                                                                                          LV   HV    LV SYSTEM  2:

                                                                                          LV   HV    LV SYSTEM   3:

 
 T1=                      T2=
   

T3=

Calculation For Common Steel Pole:

 T1= kg               T2tension= kg    T2weak=0 kg     T3tension= kg     Tcer= 0 kg

 Selected Distribution Steel Pole = 8U'' (350/94)   

Calculation For Common Concrete Pole:

T1= kg                 T2= kg      T2weak=0 kg            T3= kg     Tcer= 0 kg

Selected Distribution Concrete Pole = 11/2  0 

Note: If using additional crossarm pole length must be 1 m longer.

 *For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.

                                             

 

                                                                                                  

HV&LV COMMON TRANSFORMER POLE  SELECTION  

   Pole Span: 50 m        40 m       Angle(α1) :    Angle(α2) :   

HV SYSTEM:        LV   HV     LV SYSTEM  1:

                                                                                          LV   HV    LV SYSTEM  2:

                                                                                          LV   HV    LV SYSTEM  3:

                                                                                          LV   HV    LV SYSTEM  4:

 

T1steel()=     T1concrete=

T2steel()=     T2concrete=

T3steel()=      T3concrete=

T4steel()=      T4concrete=

 

 

Calculation For Common Steel Pole:

Tx=0    Ty=0   kg   

Ttension= 0    Pole must be :(0) . Selected Steel Pole = T15 

Calculation For Common Concrete Pole:

Tx=0    Ty=0   kg   

Ttension= 0    Pole must be :(0) . Selected Pole = 13/8 

 

 *For more detailed tension calculations and pole selections: You can access the Vector Calculations based on Angle and Attenuation and Joint Pole and Transformer Pole Selection program.