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CONTENTS
No. Descriptions Page
1. 132kV Overhead Transmission Line System Technical Parameters and Design Data ----------------
2. Sag and Tension Calculations -----------------------------------------------------------------------------
3. Clearance Calculation and Diagram ---------------------------------------------------------------------
4. Load Calculations --------------------------------------------------------------------------------------------
5. Loading Trees -------------------------------------------------------------------------------------------------
6. Design References ------------------------------------------------------------------------------------------
7. Monopole Outline Drawing --------------------------------------------------------------------------------
8. Typical Foundation Details ---------------------------------------------------------------------------------
1. SYSTEM PARAMETERS
1.1 System Nominal Voltage : 132kV
1.2 Number of Circuits & Phases per Circuit : Single Circuit
1.3 Conductors
1.3.1 Type of Conductor : ACSR
1.3.2 Number of Conductor per Phase : 1 No. ACSR
1.3.3 Name of Conductor : Hawk (21.79mm dia.)
1.4 Ground Wire
1.4.1 Type of Ground Wire : 24 Fibers Optical Ground Wire (OPGW)
1.4.2 Number of Ground Wire : 1 No.
1.5 Insulator Type : Composite Line Post Insulator
1.6 Max. Shielding Angle : 30 degrees
2. SUPPORT TECHNICAL PARTICULARS
2.1 Structure Type : Polygonal Tubular Steel Monopole
2.1.1 Steel Monopole Type : Angle Pole "AP30"
2.1.2 Design Line Angle : 30 °
2.1.3 Steel Monopole Body Extension : ± 0.0M, +3.0M, +6.0M and +9.0M
Note : For suspension location with line angle, wind span shall be reduced accordingly to
compute the effect of the line angle.
2.2 Design Spans
2.2.1 Basic Span : 200 m
2.2.2 Max. Wind Span : 220 m
2.2.3 Max. Weight Span : 300 m
2.2.4 Min. Weight span (Suspension) : 10 m of Weight Conductor
3. WEATHER CASES / CLIMATIC CONDITION / CONDUCTOR TENSION LIMITS
3.1 Conductor Temperature
3.1.1 Min. Conductor Temperature : -05 °C
3.1.2 Average Conductor Temperature (EDS) : 25 °C
3.1.3 Max. Conductor Temperature : 80 °C
3.1.4 Assumed Conductor Temperature - Construction : 25 °C
3.1.5 Coincident Temperature of Max. Wind : 25 °C
3.1.6 Conductor Sagging Tension (25°C) : 20 % of UTS
3.2 Design Wind Pressures (as per IEC 60826 : 2003)
: 33.33 m/s (Design of Structures)
: 17.50 m/s (Clearance Check)
: 1.00
: 1.00
: 1.225 kg/m³
:
: 680.42 N/m² (Design of Structures)
187.58 N/m² (Clearance Check)
Combine Wind Factor for Conductor, Gc : 2.25
: 1.00 (Span, L = 200)
Drag coefficient of Conductor, Cxc : 1.00 (IEC 60826)
:
: 1530.94 N/m² (Design of Structures)
: 422.05 N/m² (Clearance Check)
Wind Load on Conductors, Ac :
: 1530.94 N
Drag coefficient of Insulator, Cxi : 1.20 (IEC 60826)
Combine Wind Factor Insulator, Gt : 2.30
:
: 1877.96 N/m²
Wind Load on Insulators, Ai :
: 1877.96 Si N
Where : Si - Projected Area of Insuator.
Wind Load on Support Structure - as per IEC 60826 (Automatically Calculated by the Monopole
Design Software PLS-POLE)
4. DESIGN STRENGTH as per IEC 60826
: 0.05 (Steel Poles)
: 10 (Normal Condition)
: 2 (Exceptional Condition)
: 0.94 (Normal Condition)
: 0.98 (Exceptional Condition)
: 0.92 (Normal Condition)
: 0.92 (Exceptional Condition)
: 0.95 (Good Quality)
: 1.00 (10% exclusion Limit)
Support Design Strength, Rc : 0.82R (Normal Condition)
Reference Wind Speed, VRB
KR for Terrain Category B
Air Density Correction Factor, τ
Air mass per unit volume, µ
Dynamic reference pressure, qo 1/2τµ (KR VRB)² in N/m°
(Hmax = 30m)
Span Factor, GL
Design Wind Pressure on Conductor, qd qo Cxc Gc GL
qd d L Sin² Ω
d L Sin²Ω
Where : L - Structure Wind Span, d - Diameter of Conductor & Ω Angle of Incidence
(Hmax = 30m)
Design Wind Pressure on Insulators, qdi qo Cxi Gt
qdi Si
Strength Coefficient of Variation, Vr
Number of Components N
Strength Factor,ФN
Strength Factor, ФS
Strength Factor due Quality, ФQ
Strength Factor related to Rc, ФC
: 0.86R (Exceptional Condition)
Conductor Sagging Tension (25°C) : 20 % of UTS
5. CLEARANCES
5.1 Min. Ground Clearance at 80°C : 7.00 m
5.2 Min. Conductor Clearance to Earthed Parts in Stil : 1.50 m
5.3 Min. Phase to Phase of Suspension Pole
(Outer to Outer Phase Horizontal Distance) : 3.60 m
6. MATERIAL SPECIFICATIONS
6.1 Monopole Shaft : EN 10027-1 S355JO or Higher Equi.
6.2 Monopole Cross Arm : EN 10027-1 S355JO or Higher Equi.
6.3 Connection Plates : EN 10027-1 S355JO or Higher Equi.
6.4 Others (Non-Structural) : EN 10027-1 S235JO or Higher Equi.
6.5 Anchor Bolts : EN 10027-1 S355JO or Higher Equi.
6.7 Machine Bolts : DIN 267 Grade 6.8 or Higher Equi.
6.8 Nuts : DIN 267 Grade 6 or Higher Equi.
Min. Thickness of Steel Plates for Structural Member : 5 mm
7. GALVANIZING
Monopole parts shall be galvanized according to BS EN ISO 1461, Min. Thickness of 127 microns
8. APPLICABLE DESIGN STANDARDS
8.1 Loadings : IEC 60826 - Design Criteria
For Overhead Transmission Lines
8.2 Monopole Structural Design : ASCE Manual 72 - Design of Steel
Transmission Pole
9. DESIGN SOFTWARES
9.1 Sag and Tension : PLS-CADD Version 10.+
9.2 Load Calculations : Microsoft Excel Sheets
9.3 Monopole Structural Design : PLS-POLE Version 9.+ and
Microsoft Excel Sheets
Where R is the Average Strength Value of the Materials
SAG AND TENSION CALCULATIONS
CLEARANCE CALCULATIONS AND DIAGRAMS
LOAD CALCULATION DATA SHEET
1. Pole Type : AP30
2. Line Angle : 0 - 30 deg
3. Insulator Particulars
3.1 Weight of OPGW Suspension Set : 10 kg (98.1N)
3.2 Type of Insulator : Horizontal Post Insulator
3.2a Weight of Insulator : 70.20 kg (688.7N)
3.2b Length of Insulator : 1753 mm (1.753m)
3.2c Diameter of Insulator : 182 mm (0.182m)
3.2d Wind Pressure of Insulator : 1878
3.2e No of Post Insulator : 1
3.3 Type of Insulator : Tension Insulator
3.3a Weight of Insulator : 70.20 kg (688.7N)
3.3b Length of Insulator : 1753 mm (1.753m)
3.3c Diameter of Insulator : 182 mm (0.182m)
3.3d Wind Pressure of Insulator : 1878
3.3e No of Ten Insulator : 2
4. Wire Particulars
4.1 OPGW : 24 Fibers Optical Ground Wire (OPGW)
4.1a Weight of OPGW : 0.482 kg (4.73N)
4.1b Diameter of OPGW : 11.30 mm (0.0113m)
4.1c Wind Pressure of OPGW : 1531
4.1d No of OPGW : 1
4.2 Conductor : (ACSR)
4.2a Weight of Conductor : 1.015 kg (9.96N)
4.2b Diameter of Conductor : 21.79 mm (0.02179m)
4.2c Wind Pressure of Conductor : 1531
4.2d No of Conductor : 1
5. Span
5.1 Basic Span : 200 m
5.2 Wind Span : 220 m
5.3 Weight Span(Maximum) : 300 m
5.4 Weight Span(Minimum) : 10 m
N/m2
N/m2
N/m2
N/m2
6. Wire Tension
6.1 OPGW tension
6.1a No Wind at 25° C : 8634 N
6.1b High Wind at 25° C : 16255 N
6.1c Over load at 25° C : 10750 N
6.2 OPGW Sag
6.2a No Wind at 25° C : 2.74 m
6.2b High Wind at 25° C : 5.56 m
6.2c Over load at 25° C : 4.14 m
6.3 Conductor
6.3a : 17326 N
6.3b High Wind at 25° C : 34660 N
6.3c Over load at 25° C : 21485 N
6.4 Conductor Sag
6.4a No Wind at 25° C : 2.88 m
6.4b High Wind at 25° C : 5.05 m
6.4c Over load at 25° C : 3.49 m
Miscellaneous
7.1 Lineman & Tools kid : 1500 N
7.2 Anchor Block angle : 30 °
No Wind at 25° C
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS
OPGW
Wt of OPGW = 4.73 x 300 = 1419
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 1517
Phase Conductor
Wt of Conductor = 9.96 x 300 = 2987
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 5053
TRANSVERSAL LOADS
OPGW
Wind Load on OPGW = 1531 x 0.0113 x 220 x Sin ²(30) = 951
Load DueTo Wire Ten = 16255 x Sin ( 15) x 2 x Sin ²(30) = 4207
TOTAL (Newton, N) 5159
Phase Conductor
Wind Load on Conductor = 1531 x 0.02179 x 220 x Sin ²(30) = 1835
Wind Load on Post Insulator = 1878 x 0.182 x 1.753 x 1 = 599
Wind Load on Ten Insulator = 1878 x 0.182 x 1.753 x 2 = 1198
Load DueTo Wire Ten = 34660 x Sin ( 15) x 2 x Sin ²(30) = 8971
TOTAL (Newton, N) 12603
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Wind load on pole shall be calculated and applied as per IEC-60826 by software itself.
LOADING CONDITION (Tick as Applicable)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS
OPGW
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 98
Phase Conductor
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 2066
TRANSVERSAL LOADS
OPGW
Wind Load on OPGW = 1531 x 0.0113 x 220 x Sin ²(30) = 951
Load DueTo Wire Ten = 16255 x Sin ( 15) x 2 x Sin ²(30) = 4207
TOTAL (Newton, N) 5159
Phase Conductor
Wind Load on Conductor = 1531 x 0.02179 x 220 x Sin ²(30) = 1835
Wind Load on Post Insulator = 1878 x 0.182 x 1.753 x 1 = 599
Wind Load on Ten Insulator = 1878 x 0.182 x 1.753 x 2 = 1198
Load DueTo Wire Ten = 34660 x Sin ( 15) x 2 x Sin ²(30) = 8971
TOTAL (Newton, N) 12603
Notes:
LOADING CONDITION (Tick as Applicable)
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Wind load on pole shall be calculated and applied as per IEC-60826 by software itself.
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (INTACT)
OPGW
Wt of OPGW = 4.73 x 300 x 1.5 = 2128
Wt of Lineman & tools = 1500 = 1500
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 3726
Phase Conductor
Wt of Conductor = 9.96 x 300 x 1.5 = 4481
Wt of Lineman & tools = 1500 = 1500
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 8047
TRANSVERSAL LOADS (INTACT)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 15) x 2 x 1.5 = 6704
TOTAL (Newton, N) = 6704
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 15) x 2 x 1.5 = 13453
TOTAL (Newton, N) = 13453
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (STRINGING)
OPGW
Wt of OPGW = 4.73 x 300 x 2 = 2837
Wt of Lineman & tools = 1500 = 1500
Wt of OPGW Sus set = 98.1 = 98
Load DueTo Wire Ten = 8634 x Sin ( 30) x 2 = 8634
TOTAL (Newton, N) 13069
Phase Conductor
Wt of Conductor = 9.96 x 300 x 2 = 5974
Wt of Lineman & tools = 1500 = 1500
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
Load DueTo Wire Ten = 17326 x Sin ( 30) x 2 = 8969
TOTAL (Newton, N) 18509
TRANSVERSAL LOADS(STRINGING)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 15) x 2 x1.134 = 5068
TOTAL (Newton, N) 5068
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 15) x 2 x1.134 = 10170
TOTAL (Newton, N) 10170
LONGITUDINAL LOADS (STRINGING)
OPGW
Load DueTo Wire Ten = 8634 x Cos ( 15) x 2 x0.866 = 14445
TOTAL (Newton, N) 14445
Phase Conductor
Load DueTo Wire Ten = 17326 x Cos ( 15) x 2 x0.866 = 28986
TOTAL (Newton, N) 28986
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (INTACT)
OPGW
Wt of OPGW = 4.73 x 300 x 1.5 = 2128
Wt of Lineman & tools = 1500 = 1500
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 3726
Phase Conductor
Wt of Conductor = 9.96 x 300 x 1.5 = 4481
Wt of Lineman & tools = 1500 = 1500
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 8047
TRANSVERSAL LOADS (INTACT)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 0) x 2 x 1.5 = 0
TOTAL (Newton, N) = 0
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 0) x 2 x 1.5 = 0
TOTAL (Newton, N) = 0
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (STRINGING)
OPGW
Wt of OPGW = 4.73 x 300 x 2 = 2837
Wt of Lineman & tools = 1500 = 1500
Wt of OPGW Sus set = 98.1 = 98
Load DueTo Wire Ten = 8634 x Sin ( 30) x 2 = 8634
TOTAL (Newton, N) 13069
Phase Conductor
Wt of Conductor = 9.96 x 300 x 2 = 5974
Wt of Lineman & tools = 1500 = 1500
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
Load DueTo Wire Ten = 17326 x Sin ( 30) x 2 = 8969
TOTAL (Newton, N) 18509
TRANSVERSAL LOADS(STRINGING)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 0) x 2 x1.134 = 0
TOTAL (Newton, N) 0
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 0) x 2 x1.134 = 0
TOTAL (Newton, N) 0
LONGITUDINAL LOADS (STRINGING)
OPGW
Load DueTo Wire Ten = 8634 x Cos ( 0) x 2 x0.866 = 14954
TOTAL (Newton, N) 14954
Phase Conductor
Load DueTo Wire Ten = 17326 x Cos ( 0) x 2 x0.866 = 30009
TOTAL (Newton, N) 30009
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (INTACT)
OPGW
Wt of OPGW = 4.73 x 300 = 1419
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 1517
Phase Conductor
Wt of Conductor = 9.96 x 300 = 2987
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 5053
TRANSVERSAL LOADS (INTACT)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 15) x 2 = 4469
TOTAL (Newton, N) = 4469
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 15) x 2 = 8969
TOTAL (Newton, N) = 8969
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (BROKEN)
OPGW
Wt of OPGW = 4.73 x 300 x 0.7 = 993
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 1091
Phase Conductor
Wt of Conductor = 9.96 x 300 x 0.7 = 2091
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 4157
TRANSVERSAL LOADS (BROKEN)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 15) x 1 = 2235
TOTAL (Newton, N) = 2235
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 15) x 1 = 4484
TOTAL (Newton, N) = 4484
LONGITUDINAL LOADS (BROKEN)
OPGW
Load DueTo Wire Ten = 8634 x Cos (15) x 1 = 8340
LOADING CONDITION (Tick as Applicable)
TOTAL (Newton, N) = 8340
Phase Conductor
Load DueTo Wire Ten = 17326 x Cos ( 15) x 1 = 16736
TOTAL (Newton, N) = 16736
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (INTACT)
OPGW
Wt of OPGW = 4.73 x 300 = 1419
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 1517
Phase Conductor
Wt of Conductor = 9.96 x 300 = 2987
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 5053
TRANSVERSAL LOADS (INTACT)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 0) x 2 = 0
TOTAL (Newton, N) = 0
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 0) x 2 = 0
TOTAL (Newton, N) = 0
LOADING CONDITION (Tick as Applicable)
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.
Project Title : 132kV OHTL Code No.: Pole Type : AP30 PAGE NO:
Design Span (m) : 200 Wind Span (m) : 220
Max Line Angle (Deg.) : 30° Max. Wt. Span (m) : 300
Line Angle (Deg.) : 0°
H.W at 30° H.W at 30° Str. Cond. Str. Cond. Brk. Cond. Brk. Cond.
Max Wt No Wt No wind No wind No wind No wind
T.W Poles T.W Poles Max Dev Min Dev Max Dev Min Dev
VERTICAL LOADS (BROKEN)
OPGW
Wt of OPGW = 4.73 x 300 x 0.7 = 993
Wt of OPGW Sus set = 98.1 = 98
TOTAL (Newton, N) = 1091
Phase Conductor
Wt of Conductor = 9.96 x 300 x 0.7 = 2091
Wt of post Insulator = 688.66 x 1 = 689
Wt of Ten Insulator = 688.66 x 2 = 1377
TOTAL (Newton, N) = 4157
TRANSVERSAL LOADS (BROKEN)
OPGW
Load DueTo Wire Ten = 8634 x Sin ( 0) x 1 = 0
TOTAL (Newton, N) = 0
Phase Conductor
Load DueTo Wire Ten = 17326 x Sin ( 0) x 1 = 0
TOTAL (Newton, N) = 0
LOADING CONDITION (Tick as Applicable)
LONGITUDINAL LOADS (BROKEN)
OPGW
Load DueTo Wire Ten = 8634 x Cos (0) x 1 = 8634
TOTAL (Newton, N) = 8634
Phase Conductor
Load DueTo Wire Ten = 17326 x Cos ( 0) x 1 = 17326
TOTAL (Newton, N) = 17326
Notes:
Factor of Design Strength for the Support Material is 0.82 (Normal condition)
Loads are calculated for working condition only.