220 kv sag tension calculation- thyottar

Cover SheetPOWER GRID CORPORATION OF INDIA LTD.( A GOVERNMENT OF INDIA ENTERPRISER)"SOUDAMINI", 3rd FLOOR, PLOT NO.-2SECTOR-29, GURGAON-122001, HARYANAPROJECTDESIGN, ENGINEERING, SUPPLY, ERECTION(INCLUDING CIVIL WORK), TESTING AND COMMISSIONING FOR CONSTRUCTION OF SUB-STATION PACKAGE-'PB-S3' UNDER TRANSMISSION SYSTEM ASSOCIATED WITH PALLATNA GBPP & BONGAIGAON TPS IN NORTH EASTERN REGIONEX WORKS SUPPLY CONTRACT AGREEMENT: REF. NO. C-62010-S219A-3/G7/CA-I/3476 DATED 6.10.2010SERVICE CONTRACT AGREEMENT: REF. NO. C-62010-S219A-3/G7/CA-II/3477 DATED 6.10.2010CONTRACTORPSC ENGINEERS PVT. LTD., KOLKATATITLE132KV BAY EXTENSION AT PURBO KANCHAN BARI SUB-STATION - SAG TENSION CALCULATION AND STRINGING CHARTDRG. NO.K2010PS003A-245REVISIONR1PREPARED BYANUPAMCHECKED BYANUPAMAPPROVED BYTPKDATE23/3/20111REVISED AS PER PGCIL COMMENTSANUPAM23/3/20110FIRST SUBMISSION FOR APPROVALANUPAM8/2/11REVISIONDESCRIPTIONSIGNDATE

&CPage &P of &N

TheorySAG TENSION CALCULATION AND STRINIGING CHART FOR 132KV BAY EXTENSION AT PURBO KANCHAN BARI SUB-STATION (TRIPURA)SUMMARY1.0INTRODUCTION :For 132kV Bay Extension at Purbo Kanchan Bari Sub-Station (Tripura)1) Single Zebra ACSR Conductor is proposed for Transfer Bus - A & B.2) Single Zebra ACSR Conductor is proposed for high level bus (jack bus).3) The initial tensile force is considered as per technical specification i.e. 1000 kg per conductor for Single ZebraACSR.The present report is brought out to determine tension and sag under different conditions for conductorand also to check vertical clearances.2.0STANDARDS & REFERENCES :Following standards/references are used for present report :-i)IS : 802 ( Part 1 / Sec 1 ) : 1995ii)IS : 875 ( Part 3 ) - 1987iii)Technical specification of PGCIL for substation package-'PB-S3' under transmission system associated with pallatnaGBPP & Bongaigaon TPS in nort eastern region.iv)Tamilnadu Electricity Board Engineer's association"Power Engineer's Hand-Book" (Part-I)v)Overhead Line Practice By John McCombe (Book)vi)Drawings -Layout Plan- K2010PS003A-203 Rev. 2Layout Sections- K2010PS003A-204 Rev.23.0METHODOLOGY :To compute sag and tension, calculations are carried out for following conditions as stated in clause 10 of IS 802( Part 1 / Sec 1 ) : 1985.a) 0 oC -- Nil wind and 36 % wind Force.b) 32 oC -- Nil Wind and Full Wind Force.b) 75 oC -- Nil Wind condition.Sag at these temperatures for Nil wind condition is checked for adequate Vertical clearance.Tension for 00C & 36% wind,320C & full wind has been computed to check it against design value of 1T per conductor for Single Zebra ACSRconductor.4.0CONCLUSION :The results are tabulated in the table kept below as Annexure-A.Sag and tension values for all temperatures from 00C to 850C and nil wind condition are tabulated in the table keptbelow as Annexure-1, 2 & 3 respectively.The Sample calculation for different conditions are enclosed herewith.It is seen that the vertical clearances adopted are adequate.

&LSag Tension Calculation and Stringing Chart&CPage &P of &N&RPGCIL 132kV Bay Extension atPurbo Kanchan Bari Sub-Station(Tripura)&LPSC Engineers Pvt. Ltd.Ex WSC Agreement Ref. C-62010-S219A-3/G7/CA-I/3476 Dt: 6.10.2010SC Agreement Ref. C-62010-S219A-3/G7/CA-II/3477 Dt: 6.10.2010&RPSC Drg. No. K2010PS003A-245 R1

Table(Annexure-A)ANNEXURE-ASAG-TENSION TABLE FOR CONDUCTOR WITH DIFFERENT SPANSFOR 132KV BAY EXTENSION AT PURBO KANCHAN BARI SUB-STATION (TRIPURA)FOLLOWING SAG VALUES HAVE BEEN CALCULATED AS PER IS-802 (PART-2), 1993SPAN LENGTHTEMP. OF CONDUCTORWIND LOADTENSION (Kgf)SAG (m)400 KV0oCNIL0.00000.000036%0.0000-----32oCNIL0.00000.000054 mtrs.FULL0.0000-----Quad Bersimis75oCNIL00.0000FULL0.0000------0oCNIL4590.6536%500----132 KV21 mtrs.32oCNIL1561.69Single ZebraTransfer Bus-AFULL293----75oCNIL962.33Minimum Phase-Phase / Phase-Ground clearance require=Maximum Sag + Phase to Phase clearanceunder sag condition.=0.93 + 1.3=3.63Clearance actually provided=Tower height - Equipment Height=8 - 4.6=7.3Margin available=3.67Hence it is Safe.SPAN LENGTHTEMP. OF CONDUCTORWIND LOADTENSION (Kgf)SAG (m)0oCNIL00.0036%0----132 KV52.55 mtrs.32oCNIL00.00Single ZebraJack BusFULL0----75oCNIL00.00Minimum Phase-Phase / Phase-Ground clearance require=Maximum Sag + Phase to Phase clearanceunder sag condition.=1.64 + 1.3=0.00Clearance actually provided=Higher Tower Height - Lower Tower Height=12.0 - 8.0=0.00Margin available=0.00Hence it is Safe.SPAN LENGTHTEMP. OF CONDUCTORWIND LOADTENSION (Kgf)SAG (m)0oCNIL00.0036%0----132 KV52.50 mtrs.32oCNIL00.00Single ZebraTransfer Bus-BFULL0----75oCNIL00.00Minimum Phase-Phase / Phase-Ground clearance require=Maximum Sag + Phase to Phase clearanceunder sag condition.=1.64 + 1.3=0.00Clearance actually provided=Tower height - Equipment Height=8 - 4.6=0Margin available=0.00Hence it is Safe.


Annexure-BANNEXURE-BCALCULATION OF WIND EFFECTS (Ref. IS 802 Part 1/Sec 1 : 1995)1.0Basic wind speedVb=39m/sec2.0Design wind speedVd=VR x K1 x K2WhereK1=Risk co-efficient=1K2=Terrain roughness coefficient which is=1Factor to convert 3 second peak gust speed into average speed of wind during 10 minutes periodK0=1.375Meteorological reference wind speedVR=Vb / K0m/sec28.36Vd=28.363.0Design wind pressurePd=0.6 Vd2=482.70N/m249.25Kgf/m25.0Wind load on each conductorFwc=Pd x cdc x L x D x Gc(Cl. 9.2 of Ref IS)Where,L=Wind span i.e. the sum of half the spans on either side in mtrsCdc=Drag coefficient=1D=Dia. of conductor=0.03177Gc=Gust Response factor--------Refer Table: 7 of IS 802Part 1 / Sec 1, 1995=2.12For 8 m heightThereforeFwc=32.51N/mFor12 m height=3.31Kg/mFor 12 m height


220kV 17m ACSR MOOSESAG TENSION CALCULATIONS ( 132KV Single Zebra ACSR Conductor )21M SPAN (SINGLE ZEBRA ACSR)----------132kV Transfer Bus-AGeneral Perticulars :1Span Length=17.00m2Girder width=1.50m3Span length excluding girder width=15.5m4Spacer Span=0.00m5Length of Disc Insulator String (One side) (li)=3.00m6Total Length of Hardware (With Turn Bucckle + Without Turn Bucckle)=0.05m7Diameter of disc insulator string (di)=0.05m8Length of conductor=9.45m9Span length excluding girder width ,Hardware and string ( L)=9.45m10Initial Tension per conductor=500.00Kg11Dia of Conductor=0.0318m12Weight of Conductor=2.0040Kg/m13No. of Spacers=0.000014Unit Weight of spacer=0.0000Kg15Unit weight of single tension disc insulator string=165.0000Kg16Unit weight of single tension hardware with turnbuckle.=1.0000Kg17Unit weight of single tension hardware without turnbuckle=1.0000Kg18Unit weight of Disc Insulator with hardware (Wi)=166Kg19Length of Turnbuckle(lt)=0.0500m20Width of Turnbuckle(Bt)=0.0220m21Weight of turnbuckle(Wt)=1.0000Kg22Weight of conductor with spacers=2.0040Kg/m23100% wind load on conductor per phase (n FWC)---- [Refer Annexure-B]=3.3100Kg/m24Area of cross section of conductorAREA=5.97Sq.cm25Modulus of Elasticity of conductorES=686000.0000Kg/Sq.cm26Coefficient of Thermal expansionET=0.0000193/oC27Maximum temperature consideredTmax=85oC28Number of subconductorsn=129Bus Heighth=11.9m1.0The equation for finding stress (f2) in different air conditions and for different temperature ranges is as under :-f22 x { f2 - [f1 - (q12 2 L2 E / 24 f12) - E t] }=q22 2 L2 x E / 24 Refer T.N.E.B. Handbookf22 x { f2 - [f1 - (q12 2 L2 E / 24 f12) - E t] }-(q22 2 L2 E / 24)=0. Eq-(I)The Sag can be calculated from the following equation -SAG=q1**L2 Eq-(II)n 8 f2Where,f1=Initial stress in conductor at temperature t1 (kg/cm2)f2=Final stress in conductor at temperature t2 (kg/cm2)q1=Still wind loading factorq2=36% Maximum wind loading factorq3=Maximum wind loading factor=Weight Factor in kg/m/cm2L=Span (m)E=Modulus of Elasticity in kg/cm2=Co-efficient of linear expansionD=Overall Diameter of conductor (m)A=Cross sectional area of conductor (cm2)P2=Wind load on conductor 36% (kgf/m)P3=Wind load on conductor (max.) (kgf/m)t1=Initial temperature (oC)t2=Final temperature (oC)T1=Initial tension in conductor at temp t1 = f1 x A (kgf)T2=Final tension in conductor at temp t2 = f2 x A (kgf)S1=Sag at initial condition T1 (m)S2=Sag at final condition T2 (m)2.0Parameters2.1Weight factor=WAWeight of conductor with accessories/Phase Wc=2.00Kg/mCross sectional areaA=5.97cm2Therefore=0.34kg/m/cm22.2Wind factorsAt 36% windP2=1.19Kg/mRefer S.No. 23 aboveAt Full windP3=3.3100Kg/m2.3Loading factorsAt Still windq1=1At 36% windq2==1.16At Full windq3==1.932.4Temperature factorsE t32=423.6736(Starting condition is assumedat 32oC and 36% of full wind)E t85=1125.383E t0=0Therefore from above formulas sag can be calculated as, Sag=WcL2n8T2. Eq-(III)Where "n" represents nos. of subconductor3.0Calculation of Sag and TensionHere Sag is calculated at 00C, 320C and 850C for Nil wind condition.Reference condition is assumed as 00C and 36% of Full Wind,So, Tension at reference condition is,T1=500kgfAnd Stress in conductor at reference condition is ,f1=nT1Af1=83.7521kg/cm23.1At 32oC3.1.1For Nil wind condition :-i.SAG DUE TO CONDUCTORReference stress at 00C and 36% of full wind condition is,f1=83.75kg/cm2Now,=55.5022Tension Factor at Nill wind==287622.7691E t32=423.6736Stress (f2) is calculated as under,83.7555.5022423.6736287622.7691f23-f22[ f1-((L2 2 x E q22) / (24 f12))-(E t32) ]=(L2 2 E q12) / (24). Eq-(I)0.00f23-f22 [206.40 - 50.3251 - 434.8411] - 932927.6838=0f2=26.12Kg/cm2Tension T2=155.94KgSag at 320C and Nill Wind (Sc)=WcL2n8T2=0.14miiSAG DUE TO INSULATORThe parameters required are expressed as follows,U1 =(li2 + (di/2)2)=3.00mU2 =((li/2)2 + (di/2)2)=1.50m =Tan-1 [(di/2)/li]=0.01radians =Tan-1 [di/li]=0.02radiansTP1 =(Wc*L/2) * U1 * Cos + Wi * U2 * Cos - n * T2 * U1 * Sin=273.51TP2 =n * T2 * U1 * Cos * + Wc * (L/2) * U1 * Sin + Wi * U2 * Sin=472.21 =Tan-1 (TP1 / TP2)=0.525radiansSag due to insulator = Si = U1 * Sin( + )=1.53miiiSAG DUE TO TURNBUCKLEThe parameters required are expressed as follows,V1 =(It2 + (Bt/2)2)=0.05mV2 =((It/2)2 + (Bt/2)2)=0.03m1 =Tan-1 [(Bt/2)/It]=0.22radians1 =Tan-1 [Bt/It]=0.41radiansTP3 =(Wc*(L/2)+Wi) *V1*Cos1+Wt* V2*Cos1-n*T2*V1*Sin1=7.083TP4 =n*T2*V1*Cos1*+(Wc*(L/2)+Wi)*V1*Sin1+Wt*V2*Sin1=7.921 =Tan-1 (TP3 / TP4)=0.73radiansSag due to Turnbuckle = St = V1 * Sin(1 + 1)/2=0.02mTotal maximum sag of single moose conductor Sg = Sc+Si+St=1.69m3.1.2For full wind condition :-Reference stress at 00C and 36% of full wind condition is,f1=83.75kg/cm2Now,=55.5022Tension Factor at Full wind==1072286.9289E t32=423.6736Stress (f2) is calculated as under,83.7555.5022423.67361072286.9289f23-f22[ f1-((L2 2 x E q22) / (24 f12))-(E t32) ]=(L2 2 E q32) / (24). Eq-(I)0.00f23-f22 [206.40 - 50.3251 - 434.8411] - 10276580.2456=0f2=49.11Kg/cm2Tension T2=293.21Kg3.2At 85oC3.2.1For Nil wind condition :-i.SAG DUE TO CONDUCTORReference stress at 00C and 36% of full wind condition is,f1=83.75kg/cm2Now,=55.5022Tension Factor at Nill wind==287622.7691E t85=1125.3830Stress (f2) is calculated as under,f23-f22[ f1-((L2 2 x E q22) / (24 f12))-(E t32) ]=(L2 2 E q12) / (24). Eq-(I)83.7555.50221125.3830287622.7691f23-f22 [206.40 - 50.3251 - 1019.1587] - 932927.6838=00.00f2=16.07Kg/cm2Tension T2=95.96KgSag at 850C and Nill Wind (Sc)=WcL2n8T2=0.23miiSAG DUE TO INSULATORThe parameters required are expressed as follows,U1 =(li2 + (di/2)2)=3.00mU2 =((li/2)2 + (di/2)2)=1.50m =Tan-1 [(di/2)/li]=0.01radians =Tan-1 [di/li]=0.02radiansTP1 =(Wc*L/2) * U1 * Cos + Wi * U2 * Cos - n * T2 * U1 * Sin=275.01TP2 =n * T2 * U1 * Cos * + Wc * (L/2) * U1 * Sin + Wi * U2 * Sin=292.27 =Tan-1 (TP1 / TP2)=0.75radiansSag due to insulator = Si = U1 * Sin( + )=2.07miiiSAG DUE TO TURNBUCKLEThe parameters required are expressed as follows,V1 =(It2 + (Bt/2)2)=0.05mV2 =((It/2)2 + (Bt/2)2)=0.03m1 =Tan-1 [(Bt/2)/It]=0.22radians1 =Tan-1 [Bt/It]=0.41radiansTP3 =(Wc*(L/2)+Wi) *V1*Cos1+Wt* V2*Cos1-n*T2*V1*Sin1=7.743TP4 =n*T2*V1*Cos1*+(Wc*(L/2)+Wi)*V1*Sin1+Wt*V2*Sin1=6.741 =Tan-1 (TP3 / TP4)=0.85radiansSag due to Turnbuckle = St = V1 * Sin(1 + 1)/2=0.02mTotal maximum sag of single moose conductor Sg = Sc+Si+St=2.33m3.3At 0oC3.3.1For Nil wind condition :-i.SAG DUE TO CONDUCTORReference stress at 00C and 36% of full wind condition is,f1=83.75kg/cm2Now,=55.5022Tension Factor at Nill wind==287622.7691E t0=0.0000Stress (f2) is calculated as under,f23-f22[ f1-((L2 2 x E q32) / (24 f12))-(E t32) ]=(L2 2 E q12) / (24). Eq-(I)f23-f22 [206.40 - 50.3251 - (0)] - 932927.6838=083.7555.50220.0000287622.7691f2=76.89Kg/cm20.00Tension T2=459.06KgSag at 00C and Nill Wind (Sc)=WcL2n8T2=0.05miiSAG DUE TO INSULATORThe parameters required are expressed as follows,U1 =(li2 + (di/2)2)=3.00mU2 =((li/2)2 + (di/2)2)=1.50m =Tan-1 [(di/2)/li]=0.01radians =Tan-1 [di/li]=0.02radiansTP1 =(Wc*L/2) * U1 * Cos + Wi * U2 * Cos - n * T2 * U1 * Sin=265.93TP2 =n * T2 * U1 * Cos * + Wc * (L/2) * U1 * Sin + Wi * U2 * Sin=1381.57 =Tan-1 (TP1 / TP2)=0.19radiansSag due to insulator = Si = U1 * Sin( + )=0.59miiiSAG DUE TO TURNBUCKLEThe parameters required are expressed as follows,V1 =(It2 + (Bt/2)2)=0.05mV2 =((It/2)2 + (Bt/2)2)=0.03m1 =Tan-1 [(Bt/2)/It]=0.22radians1 =Tan-1 [Bt/It]=0.41radiansTP3 =(Wc*(L/2)+Wi) *V1*Cos1+Wt* V2*Cos1-n*T2*V1*Sin1=3.749TP4 =n*T2*V1*Cos1*+(Wc*(L/2)+Wi)*V1*Sin1+Wt*V2*Sin1=24.891 =Tan-1 (TP3 / TP4)=0.15radiansSag due to Turnbuckle = St = V1 * Sin(1 + 1)/2=0.01mTotal maximum sag of single moose conductor Sg = Sc+Si+St=0.65m3.1.2For 36% wind condition :-Reference stress at 00C and 36% of full wind condition is,f1=83.75kg/cm2Now,=55.5022Tension Factor at 36% wind==389315.2442E t0=0Stress (f2) is calculated as under,83.7555.50220.0000389315.2442f23-f22[ f1-((L2 2 x E q22) / (24 f12))-(E t32) ]=(L2 2 E q22) / (24). Eq-(I)0.00f23-f22 [206.40 - 50.3251 - (0)] - 2143865.0558=0f2=83.75Kg/cm2Tension T2=500.00Kg4.0The results are tabulated below:-SPANTEMP. OFWINDTENSION= STRESS (f2) X AREASAGLENGTHCONDUC.LOADKgfIN MTRS.0oCNIL4590.6536%500-----220 KV17 mtrs.32oCNIL1561.69Single MooseFULL293-----85oCNIL962.335.0Verification of Clearances :-Vertical Clearance:Minimum Phase-Phase / Phase-Ground Clearance require under Sag=Minimum Phase to Phase Clearance + Maximum Sagcondition=1.3 + 2.04=3.63mtrs.Clearance actually provided=Tower Height - Equipment Height=11.9 - 4.6=7.30mtrs.Margin available=3.67mtrs.Hence its Safe.

&LSag Tension Calculation and Stringing Chart&CPage &P of &N&RPGCIL 132kV Bay Extension atPurbo Kanchan Bari Sub-Station(Tripura)&LPSC Engineers Pvt. Ltd.Ex WSC Agreement Ref. C-62010-S219A-3/G7/CA-I/3476 Dt: 6.10.2010SC Agreement Ref. C-62010-S219A-3/G7/CA-II/3477 Dt: 6.10.2010&RPSC Drg. No. K2010PS003A-245 R1in223299:Goel Sick

Annexure-1SAG TENSION CALCULATIONS ( 220 KV Single Zebra ACSR Conductor )21 M. SPAN (SINGLE ZEBRA ACSR)----------132kV Transfer Bus-AGeneral Perticulars :1Span Length=21m2Girder width=0.75m3Span length excluding girder width=20.25m4Spacer Span=0m5Length of Disc Insulator String (One side) (li)=1.45m6Total Length of Hardware (With Turn Bucckle + Without Turn Bucckle)=0.345m7Diameter of disc insulator string (di)=0.2158Length of conductor=16.855m9Span length excluding girder width ,Hardware and string ( L)=16.855m10Initial Tension per conductor=1000Kgf11Dia of Conductor=0.02862m12Weight of Conductor=1.621Kgf/m13No. of Spacers=014Unit Weight of spacer=0Kg15Unit weight of double tension disc insulator string=57Kg16Unit weight of double tension hardware with turnbuckle.=18Kg17Unit weight of double tension hardware without turnbuckle=15Kg18Unit weight of Disc Insulator with hardware (Wi)=73.5Kg19Length of Turnbuckle(lt)=0.495m20Width of Turnbuckle(Bt)=0.022m21Weight of turnbuckle(Wt)=2.7Kg22Weight of conductor with spacers=1.62Kg/m23100% wind load on conductor per phase (n FWC)---- [Refer Annexure-B]=3.3100Kg/m24Area of cross section of conductorAREA=4.845Sq.cm25Modulus of Elasticity of conductorES=704082Kg/Sq.cm26Coefficient of Thermal expansionET=0.0000193/oC27Maximum temperature consideredTmax=75oC28Number of subconductorsn=129Bus Heighth=8m1.0The equation for finding stress (f2) in different air conditions and for different temperature ranges is as under :-f22 x { f2 - [f1 - (q12 2 L2 E / 24 f12) - E t] }=q22 2 L2 x E / 24 Refer T.N.E.B. Handbookf22 x { f2 - [f1 - (q12 2 L2 E / 24 f12) - E t] }-(q22 2 L2 E / 24)=0. Eq-(I)The Sag can be calculated from the following equation -SAG=q1**L2 Eq-(II)n 8 f2Where,f1=Initial stress in conductor at temperature t1 (kg/cm2)f2=Final stress in conductor at temperature t2 (kg/cm2)q1=Still wind loading factorq2=36% Maximum wind loading factorq3=Maximum wind loading factor=Weight Factor in kg/m/cm2L=Span (m)E=Modulus of Elasticity in kg/cm2=Co-efficient of linear expansionD=Overall Diameter of conductor (m)A=Cross sectional area of conductor (cm2)P2=Wind load on conductor 36% (kgf/m)P3=Wind load on conductor (max.) (kgf/m)t1=Initial temperature (oC)t2=Final temperature (oC)T1=Initial tension in conductor at temp t1 = f1 x A (kgf)T2=Final tension in conductor at temp t2 = f2 x A (kgf)S1=Sag at initial condition T1 (m)S2=Sag at final condition T2 (m)2.0Parameters2.1Weight factor=WAWeight of conductor with accessories/Phase Wc=1.62Kg/mCross sectional areaA=4.845cm2Therefore=0.33kg/m/cm22.2Wind factorsAt 36% windP2=1.19Kg/mRefer S.No. 23 aboveAt Full windP3=3.3100Kg/m2.3Loading factorsAt Still windq1=1At 36% windq2==1.24At Full windq3==2.272.4Temperature factorsE t32=434.8411(Starting condition is assumedat 02oC and 36% of full wind)E t75=1019.1587E t0=0Therefore from above formulas sag can be calculated as, Sag=WcL2n8T2. Eq-(III)Where "n" represents nos. of subconductor3.0Calculation of Sag and TensionHere Sag is calculated at 00C, 320C and 750C for Nil wind condition.Reference condition is assumed as 00C and 36% of Full Wind,So, Tension at reference condition is,T1=1000kgfAnd Stress in conductor at reference condition is ,f1=nT1Af1=206.40kg/cm23.1At 32oC3.1.1For Nil wind condition :-i.SAG DUE TO CONDUCTORReference stress at 00C and 36% of full wind condition is,f1=206.40kg/cm2Now,=33.7335Tension Factor at Nill wind==932927.6838E t32=434.8411Stress (f2) is calculated as under,206.4033.7335434.8411932927.6838f23-f22[ f1-((L2 2 x E q22) / (24 f12))-(E t32) ]=(L2 2 E q12) / (24). Eq-(I)-46651.74f23-f22 [206.40 - 50.3251 - 434.8411] - 932927.6838=0f2=53.03Kg/cm2Tension T2=256.91KgSag at 320C and Nill Wind (Sc)=WcL2n8T2=0.22miiSAG DUE TO INSULATORThe parameters required are expressed as follows,U1 =(li2 + (di/2)2)=1.45mU2 =((li/2)2 + (di/2)2)=0.73m =Tan-1 [(di/2)/li]=0.07radians =Tan-1 [di/li]=0.15radiansTP1 =(Wc*L/2) * U1 * Cos + Wi * U2 * Cos - n * T2 * U1 * Sin=45.48TP2 =n * T2 * U1 * Cos * + Wc * (L/2) * U1 * Sin + Wi * U2 * Sin=381.89 =Tan-1 (TP1 / TP2)=0.119radiansSag due to insulator = Si = U1 * Sin( + )=0.28miiiSAG DUE TO TURNBUCKLEThe parameters required are expressed as follows,V1 =(It2 + (Bt/2)2)=0.50mV2 =((It/2)2 + (Bt/2)2)=0.25m1 =Tan-1 [(Bt/2)/It]=0.02radians1 =Tan-1 [Bt/It]=0.04radiansTP3 =(Wc*(L/2)+Wi) *V1*Cos1+Wt* V2*Cos1-n*T2*V1*Sin1=40.987TP4 =n*T2*V1*Cos1*+(Wc*(L/2)+Wi)*V1*Sin1+Wt*V2*Sin1=127.381 =Tan-1 (TP3 / TP4)=0.31radiansSag due to Turnbuckle = St = V1 * Sin(1 + 1)/2=0.08mTotal maximum sag of Quad moose conductor Sg = Sc+Si+St=0.58mAnnexure-1SAG AND TENSION VALUES FOR ALL TEMPERATURES FROM 00C TO 850C AND NIL WIND CONDITION21 M SPAN (SINGLE ZEBRA ACSR)---------------------132kV TRANSFER BUS-ASr. No.Temp.Final StressTension at nil wind conditionSag due to conductorSag due to insulatorSag due to turnbuckleTotal max. sag of quad moose conductorE tSag due to insulatorSag due to turnbuckleDeg. CEquationf2T2ScSiStSgTP1TP2TP3TP4110-559984.31183.71890.100.060.080.020.170-22.591300.01-0.0234.02440.810.0821-499344.34173.48840.520.070.090.030.1813.59-17.261228.13-0.0134.57416.270.0832-444652.24163.71793.160.070.090.030.1927.18-12.171159.45-0.0135.09392.820.0943-395671.70154.43748.200.080.100.030.2040.77-7.341094.26-0.0135.58370.570.1054-352109.06145.68705.810.080.100.030.2254.36-2.781032.80-0.0036.05349.590.1065-313616.32137.48666.110.090.110.030.2367.941.49975.240.0036.49329.940.1176-279800.11129.86629.180.090.120.030.2481.535.46921.680.0136.89311.650.1287-250234.44122.81595.010.100.120.040.2695.129.13872.130.0137.27294.740.1398-224478.92116.32563.560.100.130.040.27108.7112.51826.530.0237.61279.170.13109-202095.11110.37534.720.110.140.040.28122.3015.61784.720.0237.93264.900.141110-182662.01104.93508.360.110.140.040.30135.8918.45746.500.0238.22251.850.151211-165787.9099.96484.310.120.150.040.31149.4821.03711.620.0338.49239.940.161312-151117.7795.44462.390.120.160.050.33163.0723.39679.830.0338.73229.090.171413-138336.4291.31442.400.130.160.050.34176.6525.54650.850.0438.95219.200.181514-127169.1887.55424.170.140.170.050.36190.2427.50624.420.0439.15210.170.181615-117379.4984.11407.520.140.180.050.37203.8329.29600.270.0539.33201.930.191716-108765.5280.97392.280.150.180.050.39217.4230.93578.170.0539.50194.390.201817-101156.2378.08378.310.150.190.060.40231.0132.43557.920.0639.65187.470.211918-94407.2575.43365.470.160.200.060.41244.6033.81539.300.0639.79181.120.222019-88396.8072.99353.650.160.200.060.43258.1935.08522.160.0739.92175.260.222120-83022.4970.74342.730.170.210.060.44271.7836.25506.320.0740.04169.860.232221-78197.9668.65332.620.170.220.060.45285.3637.34491.670.0840.15164.860.242322-73850.3466.72323.240.180.220.070.47298.9538.35478.070.0840.26160.210.252423-69917.9964.92314.520.180.230.070.48312.5439.29465.420.0840.35155.900.252524-66348.5763.24306.380.190.230.070.49326.1340.16453.630.0940.44151.870.262625-63097.5861.67298.780.190.240.070.50339.7240.98442.610.0940.53148.110.272726-60127.0360.20291.670.200.250.070.52353.3141.74432.280.1040.60144.580.272827-57404.3658.82284.990.200.250.070.53366.9042.46422.600.1040.68141.280.282928-54901.5757.52278.700.210.260.080.54380.4943.14413.490.1040.75138.170.293029-52594.5256.30272.780.210.260.080.55394.0743.77404.910.1140.81135.240.293130-50462.2555.15267.200.220.270.080.56407.6644.37396.810.1140.87132.470.303231-48486.6154.06261.920.220.270.080.57421.2544.94389.150.1140.93129.860.313332-46651.7453.03256.910.220.280.080.58434.8445.48381.890.1240.99127.380.313433-44943.7552.05252.160.230.280.080.59448.4345.99375.010.1241.04125.030.323534-43350.4851.12247.650.230.290.080.60462.0246.47368.470.1341.09122.800.323635-41861.2050.23243.360.240.290.090.61475.6146.93362.250.1341.14120.670.333736-40466.4249.39239.270.240.300.090.62489.2047.37356.320.1341.18118.650.333837-39157.7448.58235.370.240.300.090.63502.7947.79350.660.1441.22116.720.343938-37927.7147.81231.650.250.310.090.64516.3748.19345.260.1441.26114.880.344039-36769.6847.08228.080.250.310.090.65529.9648.58340.090.1441.30113.110.354140-35677.6946.37224.670.260.320.090.66543.5548.94335.140.1541.34111.420.364241-34646.4345.70221.400.260.320.090.67557.1449.30330.400.1541.38109.800.364342-33671.1145.05218.260.260.320.090.68570.7349.63325.850.1541.41108.250.374443-32747.4344.43215.250.270.330.090.69584.3249.96321.480.1541.45106.760.374544-31871.4943.83212.350.270.330.100.70597.9150.27317.280.1641.48105.320.384645-31039.7943.25209.560.270.340.100.71611.5050.57313.230.1641.51103.940.384746-30249.1442.70206.870.280.340.100.72625.0850.86309.340.1641.54102.610.384847-29496.6442.16204.280.280.350.100.73638.6751.14305.580.1741.57101.330.394948-28779.6741.65201.790.290.350.100.73652.2651.40301.960.1741.59100.090.395049-28095.8141.15199.370.290.350.100.74665.8551.66298.460.1741.6298.900.405150-27442.8840.67197.040.290.360.100.75679.4451.91295.080.1741.6597.750.405251-26818.8740.20194.790.300.360.100.76693.0352.16291.820.1841.6796.630.415352-26221.9439.75192.610.300.360.100.77706.6252.39288.660.1841.6995.550.415453-25650.4039.32190.500.300.370.100.78720.2152.62285.600.1841.7294.510.425554-25102.6838.90188.460.310.370.110.78733.7952.84282.630.1841.7493.500.425655-24577.3638.49186.470.310.380.110.79747.3853.05279.760.1941.7692.510.425756-24073.1238.09184.550.310.380.110.80760.9753.26276.970.1941.7891.560.435857-23588.7337.71182.680.320.380.110.81774.5653.46274.260.1941.8090.640.435958-23123.0737.33180.870.320.390.110.81788.1553.65271.630.2041.8289.740.446059-22675.0836.97179.110.320.390.110.82801.7453.84269.080.2041.8488.870.446160-22243.8036.62177.400.320.390.110.83815.3354.03266.600.2041.8688.020.446261-21828.3136.27175.740.330.400.110.84828.9254.20264.190.2041.8887.200.456362-21427.7935.94174.120.330.400.110.84842.5054.38261.840.2041.9086.400.456463-21041.4535.61172.540.330.400.110.85856.0954.55259.550.2141.9285.620.466564-20668.5735.29171.000.340.410.110.86869.6854.71257.320.2141.9384.860.466665-20308.4534.99169.510.340.410.120.86883.2754.87255.160.2141.9584.120.466766-19960.4634.68168.050.340.410.120.87896.8655.03253.040.2141.9683.390.476867-19624.0134.39166.630.350.420.120.88910.4555.18250.980.2241.9882.690.476968-19298.5434.11165.240.350.420.120.89924.0455.33248.970.2242.0082.000.477069-18983.5433.83163.880.350.420.120.89937.6355.48247.000.2242.0181.330.487170-18678.5033.55162.560.350.430.120.90951.2155.62245.090.2242.0280.680.487271-18382.9733.29161.270.360.430.120.91964.8055.76243.210.2342.0480.040.487372-18096.5233.03160.010.360.430.120.91978.3955.89241.380.2342.0579.410.497473-17818.7332.77158.780.360.430.120.92991.9856.03239.600.2342.0778.800.497574-17549.2432.52157.570.370.440.120.931005.5756.16237.850.2342.0878.210.497675-17287.6632.28156.390.370.440.120.931019.1656.28236.140.2342.0977.620.507776-17033.6732.04155.240.370.440.120.941032.7556.41234.470.2442.1177.050.507877-16786.9531.81154.110.370.450.120.941046.3456.53232.830.2442.1276.490.507978-16547.1831.58153.010.380.450.120.951059.9356.65231.230.2442.1375.950.518079-16314.0831.36151.930.380.450.130.961073.5156.76229.660.2442.1475.410.518180-16087.3831.14150.870.380.460.130.961087.1056.88228.130.2442.1574.890.518281-15866.8330.92149.830.380.460.130.971100.6956.99226.620.2542.1674.370.528382-15652.1730.71148.810.390.460.130.971114.2857.10225.150.2542.1873.870.528483-15443.1830.51147.810.390.460.130.981127.8757.21223.700.2542.1973.380.528584-15239.6330.31146.840.390.470.130.991141.4657.31222.280.2542.2072.890.528685-15041.3330.11145.880.390.470.130.991155.0557.41220.890.2542.2172.420.53


MBD000C3A6C.unknown

MBD000C9816.unknown

MBD001276CB.unknown

MBD0015F29B.unknown

MBD00176166.unknown

MBD00189658.unknown

MBD0020D9DC.unknown

MBD0020D9E4.unknown

MBD0021467F.unknown

MBD00214683.unknown

MBD00214685.unknown

MBD00214684.unknown

MBD00214681.unknown

MBD00214682.unknown

MBD00214680.unknown

MBD0021467D.unknown

MBD0021467E.unknown

MBD0021467C.unknown

MBD0020D9E0.unknown

MBD0020D9E2.unknown

MBD0020D9E3.unknown

MBD0020D9E1.unknown

MBD0020D9DE.unknown

MBD0020D9DF.unknown

MBD0020D9DD.unknown

MBD001A8C97.unknown

MBD001AD004.unknown

MBD001C3B47.unknown

MBD0020D9D4.unknown

MBD001BA391.unknown

MBD001C3B46.unknown

MBD001BA390.unknown

MBD001AD003.unknown

MBD0019079D.unknown

MBD001A8C96.unknown

MBD0018D13F.unknown

MBD0017BD08.unknown

MBD00183C37.unknown

MBD00187366.unknown

MBD00189657.unknown

MBD001862EF.unknown

MBD0017D05B.unknown

MBD0017D05C.unknown

MBD0017BD09.unknown

MBD00179076.unknown

MBD00179078.unknown

MBD0017BD07.unknown

MBD00179077.unknown

MBD00177BAC.unknown

MBD00179075.unknown

MBD00177BAB.unknown

MBD00166FE2.unknown

MBD0016E511.unknown

MBD00174633.unknown

MBD00176164.unknown

MBD00176165.unknown

MBD00174634.unknown

MBD00174631.unknown

MBD00174632.unknown

MBD00171F99.unknown

MBD00169A0D.unknown

MBD0016C205.unknown

MBD0016D97B.unknown

MBD0016C204.unknown

MBD00169A0B.unknown

MBD00169A0C.unknown

MBD00166FE3.unknown

MBD00164929.unknown

MBD00165CF9.unknown

MBD00166FE0.unknown

MBD00166FE1.unknown

MBD00165CFA.unknown

MBD00164B79.unknown

MBD00164B7A.unknown

MBD0016492A.unknown

MBD0015F29F.unknown

MBD00164373.unknown

MBD00164928.unknown

MBD0015F2A0.unknown

MBD0015F29D.unknown

MBD0015F29E.unknown

MBD0015F29C.unknown

MBD0014D919.unknown

MBD0014D921.unknown

MBD0015F297.unknown

MBD0015F299.unknown

MBD0015F29A.unknown

MBD0015F298.unknown

MBD0015C4EA.unknown

MBD0015ECBD.unknown

MBD0015A488.unknown

MBD0014D91D.unknown

MBD0014D91F.unknown

MBD0014D920.unknown

MBD0014D91E.unknown

MBD0014D91B.unknown

MBD0014D91C.unknown

MBD0014D91A.unknown

MBD0014A8CC.unknown

MBD0014C48A.unknown

MBD0014C48C.unknown

MBD0014D918.unknown

MBD0014C48B.unknown

MBD0014A8CE.unknown

MBD0014A8CF.unknown

MBD0014A8CD.unknown

MBD00143A91.unknown

MBD00148E4C.unknown

MBD0014A8CB.unknown

MBD00144F61.unknown

MBD0013A0F2.unknown

MBD0013DC07.unknown

MBD0012E815.unknown

MBD0010A258.unknown

MBD00112E44.unknown

MBD0011C44E.unknown

MBD0011FF6E.unknown

MBD001203AC.unknown

MBD00120403.unknown

MBD00124B42.unknown

MBD00120402.unknown

MBD0011FF6F.unknown

MBD0011E8B4.unknown

MBD0011FCE1.unknown

MBD0011E8B3.unknown

MBD00113078.unknown

MBD0011307A.unknown

MBD0011C44D.unknown

MBD00113079.unknown

MBD00113076.unknown

MBD00113077.unknown

MBD00113075.unknown

MBD0010A6C1.unknown

MBD0010AB03.unknown

MBD0010AB05.unknown

MBD0010F5ED.unknown

MBD0010AB04.unknown

MBD0010A6C3.unknown

MBD0010AB02.unknown

MBD0010A6C2.unknown

MBD0010A25C.unknown

MBD0010A6BF.unknown

MBD0010A6C0.unknown

MBD0010A6BE.unknown

MBD0010A25A.unknown

MBD0010A25B.unknown

MBD0010A259.unknown

MBD000C9826.unknown

MBD000FD5E7.unknown

MBD001018A5.unknown

MBD0010868C.unknown

MBD0010A257.unknown

MBD0010868B.unknown

MBD000FD5E9.unknown

MBD000FD5EA.unknown

MBD000FD5E8.unknown

MBD000DCCEE.unknown

MBD000F83F6.unknown

MBD000F83F7.unknown

MBD000ED321.unknown

MBD000C9828.unknown

MBD000DCCED.unknown

MBD000C9827.unknown

MBD000C981E.unknown

MBD000C9822.unknown

MBD000C9824.unknown

MBD000C9825.unknown

MBD000C9823.unknown

MBD000C9820.unknown

MBD000C9821.unknown

MBD000C981F.unknown

MBD000C981A.unknown

MBD000C981C.unknown

MBD000C981D.unknown

MBD000C981B.unknown

MBD000C9818.unknown

MBD000C9819.unknown

MBD000C9817.unknown

MBD000C3A8C.unknown

MBD000C8490.unknown

MBD000C8498.unknown

MBD000C849C.unknown

MBD000C9814.unknown

MBD000C9815.unknown

MBD000C9813.unknown

MBD000C849A.unknown

MBD000C849B.unknown

MBD000C8499.unknown

MBD000C8494.unknown

MBD000C8496.unknown

MBD000C8497.unknown

MBD000C8495.unknown

MBD000C8492.unknown

MBD000C8493.unknown

MBD000C8491.unknown

MBD000C8488.unknown

MBD000C848C.unknown

MBD000C848E.unknown

MBD000C848F.unknown

MBD000C848D.unknown

MBD000C848A.unknown

MBD000C848B.unknown

MBD000C8489.unknown

MBD000C5216.unknown

MBD000C6D4F.unknown

MBD000C8487.unknown

MBD000C6D4E.unknown

MBD000C3A8E.unknown

MBD000C3A8F.unknown

MBD000C3A8D.unknown

MBD000C3A7C.unknown

MBD000C3A84.unknown

MBD000C3A88.unknown

MBD000C3A8A.unknown

MBD000C3A8B.unknown

MBD000C3A89.unknown

MBD000C3A86.unknown

MBD000C3A87.unknown

MBD000C3A85.unknown

MBD000C3A80.unknown

MBD000C3A82.unknown

MBD000C3A83.unknown

MBD000C3A81.unknown

MBD000C3A7E.unknown

MBD000C3A7F.unknown

MBD000C3A7D.unknown

MBD000C3A74.unknown

MBD000C3A78.unknown

MBD000C3A7A.unknown

MBD000C3A7B.unknown

MBD000C3A79.unknown

MBD000C3A76.unknown

MBD000C3A77.unknown

MBD000C3A75.unknown

MBD000C3A70.unknown

MBD000C3A72.unknown

MBD000C3A73.unknown

MBD000C3A71.unknown

MBD000C3A6E.unknown

MBD000C3A6F.unknown

MBD000C3A6D.unknown

MBD0002C812.unknown

MBD000C3A4C.unknown

MBD000C3A5C.unknown

MBD000C3A64.unknown

MBD000C3A68.unknown

MBD000C3A6A.unknown

MBD000C3A6B.unknown

MBD000C3A69.unknown

MBD000C3A66.unknown

MBD000C3A67.unknown

MBD000C3A65.unknown

MBD000C3A60.unknown

MBD000C3A62.unknown

MBD000C3A63.unknown

MBD000C3A61.unknown

MBD000C3A5E.unknown

MBD000C3A5F.unknown

MBD000C3A5D.unknown

MBD000C3A54.unknown

MBD000C3A58.unknown

MBD000C3A5A.unknown

MBD000C3A5B.unknown

MBD000C3A59.unknown

MBD000C3A56.unknown

MBD000C3A57.unknown

MBD000C3A55.unknown

MBD000C3A50.unknown

MBD000C3A52.unknown

MBD000C3A53.unknown

MBD000C3A51.unknown

MBD000C3A4E.unknown

MBD000C3A4F.unknown

MBD000C3A4D.unknown

MBD000717E2.unknown

MBD0007C592.unknown

MBD000B5645.unknown

MBD000B733C.unknown

MBD000BEF52.unknown

MBD000BBB45.unknown

MBD000B643D.unknown

MBD0007C594.unknown

MBD00094A9B.unknown

MBD00094A9C.unknown

MBD0009AEDE.unknown

MBD0007C595.unknown

MBD0007C593.unknown

MBD0007C58E.unknown

MBD0007C590.unknown

MBD0007C591.unknown

MBD0007C58F.unknown

MBD0007C58C.unknown

MBD0007C58D.unknown

MBD000725AF.unknown

MBD000717DA.unknown

MBD000717DE.unknown

MBD000717E0.unknown

MBD000717E1.unknown

MBD000717DF.unknown

MBD000717DC.unknown

MBD000717DD.unknown

MBD000717DB.unknown

MBD0002C816.unknown

MBD0002C818.unknown

MBD0003D94D.unknown

MBD000717D9.unknown

MBD0003D94C.unknown

MBD0002C817.unknown

MBD0002C814.unknown

MBD0002C815.unknown

MBD0002C813.unknown

MBD0002C7F2.unknown

MBD0002C802.unknown

MBD0002C80A.unknown

MBD0002C80E.unknown

MBD0002C810.unknown

MBD0002C811.unknown

MBD0002C80F.unknown

MBD0002C80C.unknown

MBD0002C80D.unknown

MBD0002C80B.unknown

MBD0002C806.unknown

MBD0002C808.unknown

MBD0002C809.unknown

MBD0002C807.unknown

MBD0002C804.unknown

MBD0002C805.unknown

MBD0002C803.unknown

MBD0002C7FA.unknown

MBD0002C7FE.unknown

MBD0002C800.unknown

MBD0002C801.unknown

MBD0002C7FF.unknown

MBD0002C7FC.unknown

MBD0002C7FD.unknown

MBD0002C7FB.unknown

MBD0002C7F6.unknown

MBD0002C7F8.unknown

MBD0002C7F9.unknown

MBD0002C7F7.unknown

MBD0002C7F4.unknown

MBD0002C7F5.unknown

MBD0002C7F3.unknown

MBD0002C7E2.unknown

MBD0002C7EA.unknown

MBD0002C7EE.unknown

MBD0002C7F0.unknown

MBD0002C7F1.unknown

MBD0002C7EF.unknown

MBD0002C7EC.unknown

MBD0002C7ED.unknown

MBD0002C7EB.unknown

MBD0002C7E6.unknown

MBD0002C7E8.unknown

MBD0002C7E9.unknown

MBD0002C7E7.unknown

MBD0002C7E4.unknown

MBD0002C7E5.unknown

MBD0002C7E3.unknown

MBD0002C7DA.unknown

MBD0002C7DE.unknown

MBD0002C7E0.unknown

MBD0002C7E1.unknown

MBD0002C7DF.unknown

MBD0002C7DC.unknown

MBD0002C7DD.unknown

MBD0002C7DB.unknown

MBD0002C7D6.unknown

MBD0002C7D8.unknown

MBD0002C7D9.unknown

MBD0002C7D7.unknown

MBD0002C7D5.unknown

220 kv sag tension calculation- thyottar

Documents