TOWER REQUIREMENT 132 KV



TOWER SPOTTING REQUIREMENT FOR 132 KV DC TOWERS TYPE - P.R. & S: 

Normal Span 320 M, All Span in Meters, All Loads in KGS

S.No

Tower Type

Suspension

Angle

Angle

1

Vertical Load of Individual Span

Down

Up or Down

Up or Down

2

Deviation not to exceed

2o

30o

60o

3

Individual span not greater than
(From vertical Separation Consideration)

460

460

500

4

Vertical Load Limitations
Wt. Span G.W. Effect both spans
G.W. Effect Both span
Cd. T Effect Both span
Effect one span

400
240
400
240

400
240
400
240

400
240
400
240

5

Permissible sum of adjustments spans for various deviation angles Notes:
a) Sum never to exceed twice the individual span as in (3) above

 


b) Considered G.W. or Conductor whichever gives lesser adjacent spans


 

2o 640
1o 720


0o 800

 

30o 640
29o 720


28o 800
27o 880
86.5o 920

 

 

6o 640
59 720


58o 800
57o 880
56o  960
55.5o 1000

6

a) Design long tension G.W. Cdt.
B) Broken wire condition.

2105
2219

GW or
any one Conductor

2105
3698

GW + Any One Conductor or any two Conductor

2105
3698

GW + Any One Conductor
or any Two Conductor

TOWER SPORTING FOR 400 KV

                   Description                                                                                           Tower Type

 

DA

DB

DC

DD

Angle Deviation not to exceed

2o

15o

30o

60o /15o

Vertical Load Limitations

       

Maximum Weight Span

Down

Down

Down

Down

Earth wire :

Effect of both Spans

600

600

800

800

                     Effect of One Span

300

300

400

400

Conductor :

Effect of both spans

600

600

800

800

                      Effect of One Span

300

300

400

400

Minimum Weight Span

Down

Up

Up

Up

Earth Wire:

Effect of both spans

320

0

-800

-800

                      Effect of One Span

160

0

-400

-400

Conductor:

Effect of both spans

320

0

-800

-800

                      Effect of one span

160

0

-400

-400

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