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{"sheet":"132kV CT - Contents","index":0,"n_rows":37,"n_cols":3,"rows_kept":37,"flags":["formulas_cached_only"]}
[]
[]
[null,null,"SCHEDULES A AND B"]
[]
[null,null,"SUMMARY OF REQUIREMENTS FOR"]
[null,null,"132kV POST TYPE CURRENT TRANSFORMER"]
[]
[]
[]
[null,"Item","Contents"]
[]
[null,"(I)","Multi ratio for metering current transformers"]
[null,"(II)","Multi ratios for protection current transformers"]
[null,"(III)","Summary of item requirements "]
[null,"C1","Service conditions"]
[null,"C2","General requirements:"]
[null,"C3","Type of current transformer offered"]
[null,"C4","Details of insulated materials"]
[null,"C5","Details of oil-insulated current transformers"]
[null,"C6","Gas-insulated current transformers"]
[null,"C7","Primary terminals"]
[null,"C8","Constructional requirements"]
[null,"C9","Mounting arrangement"]
[null,"C10","Metal finish"]
[null,"C11","Rating plates and diagram plates"]
[null,"C12","Drawings and instruction manuals"]
[null,"C13","Safety design features"]
[null,"C14","Details of measuring current transformers M32  (3200/1)"]
[null,"C15","Details of protective current transformers P32  (3200/1)"]
[null,"C16","Details of bus zone cores B24  (2400/1)"]
[null,"C17","Tests"]
[null,"C18","Impulse tests on primary winding"]
[null,"C19","High-voltage power-frequency withstand tests"]
[null,"C20","Short-time current test"]
[null,"C21","Ratio for accuracy test"]
[null,"C22","Method for used determining gas leakage rate"]
[null,"C23","Special test requirements"]

{"sheet":"132kV CT Ratio Requirements","index":1,"n_rows":27,"n_cols":7,"rows_kept":27,"merged":[[23,1,25,1],[23,2,25,2],[23,3,23,5]],"flags":["formulas_cached_only"]}
[]
[{"$nulls":3},"132kV POST TYPE CURRENT TRANSFORMER"]
[]
[]
[null,"(I)   Multi ratio (MR) Metering current transformers"]
[]
[null,"Nominal ratio","Tapping points on secondary windings","Ratios available","Burden capability VA","Accuracy class","Ratio"]
[null,3150,"2400/1600/400/1","3200/2800//2400/2000/1600/1200/800/400/1",10,"0,2 ","800/1"]
[]
[]
[]
[]
[null,"(II)   Multi ratio (MR) Protection current transformers"]
[]
[null,"Nominal ratio","Tapping points on secondary windings","Ratios available"]
[null,3150,"2400/1600/400/1","3200/2800//2400/2000/1600/1200/800/400/1"]
[]
[]
[]
[]
[null,"Bus-zone protection current transformers"]
[]
[]
[null,"Highest (nominal) ratio","Tapping points","Magnetization parameters at lowest ratio (in bold)"]
[{"$nulls":3},"Minimum excitation voltage","Maximum magnetization current","Maximum total winding resistance at 75 °C"]
[{"$nulls":3},"V","mA","W"]
[null,"2400:1","Fixed",550,50,2]

{"sheet":"132kV CT Summary of Requirement","index":2,"n_rows":29,"n_cols":7,"rows_kept":29,"merged":[[13,1,14,1],[13,2,14,2],[13,3,14,3],[13,4,13,6]],"flags":["formulas_cached_only"]}
[]
[null,null,"132kV POST TYPE CURRENT TRANSFORMER"]
[]
[null,null," (III) Summary of item requirements"]
[]
[null,null,"Nominal system voltage","kV","132"]
[null,null,"Maximum system voltage","kV","145"]
[null,null,"Nominal short-time thermal current","kA","40"]
[null,null,"Nominal primary current","A",3150]
[null,null,"Rated Switching impulse ","kV","275"]
[null,null,"Rated Lightning impulse","kV","650"]
[]
[]
[null,"Item","Short Description","Material Number","Summary of core requirements"]
[{"$nulls":4},"Protection","Bus zone","Metering"]
[]
[null,"Item 1",null,null,"2 x P32","2 x B24","2 x M32"]
[]
[]
[]
[null,null,"Legend:"]
[]
[null,null,"1x, 2x, 3x, ….. = Number of secondary cores"]
[]
[null,null,"Protective core: P32 = (3200/1)"]
[]
[null,null,"Bus Zone core:  B24 = (1/2400)"]
[]
[null,null,"Metering core:    M32 = (3200/1)"]

{"sheet":"132kV CT Schedule A&B","index":3,"n_rows":197,"n_cols":7,"rows_kept":197,"merged":[[10,1,11,1],[10,3,11,4],[10,5,11,5],[10,6,11,6],[12,1,19,1],[20,1,31,1],[32,1,34,1],[35,1,37,1],[38,1,45,1],[46,1,51,1],[52,1,59,1],[60,1,64,1],[62,2,63,2],[62,4,63,4],[62,5,63,5],[62,6,63,6],[65,1,67,1],[66,2,67,2],[66,4,67,4],[66,5,67,5],[66,6,67,6],[71,1,74,1],[75,1,79,1],[81,1,108,1],[109,1,142,1],[143,1,171,1],[172,1,173,1],[174,1,177,1],[178,1,182,1],[183,1,185,1],[187,1,188,1],[189,1,196,1]],"flags":["formulas_cached_only"]}
[]
[{"$nulls":3},"132kV POST TYPE CURRENT TRANSFORMER"]
[]
[{"$nulls":3},"Schedule A and B"]
[]
[{"$nulls":3},"Schedule A:  Purchaser’s specific requirements"]
[]
[{"$nulls":3},"Schedule B:  Particulars of equipment to be supplied "]
[{"$nulls":3},"(to be completed by tenderer)"]
[]
[null,"Item","NRS 029","Description",null,"Schedule A","Schedule B"]
[null,null,"Sub-clause"]
[null,"C.1",1.2,"Service conditions (if non-standard)"]
[{"$nulls":3},"Ambient air temperature (average)","°C","-10 to +40","xxxxxxxxxx"]
[{"$nulls":3},"Altitude","m",1800,"xxxxxxxxxx"]
[{"$nulls":3},"Average humidity","%",95,"xxxxxxxxxx"]
[{"$nulls":3},"Wind pressure","Pa",700,"xxxxxxxxxx"]
[{"$nulls":3},"Pollution"]
[{"$nulls":3},"1) Extra heavy - creepage distances","mm","Extra heavy"]
[{"$nulls":3},"arcing distances","mm","Extra heavy"]
[null,"C.2",4.1,"General requirements:"]
[{"$nulls":3},"Nominal r.m.s. voltage (Un)","kV",132]
[{"$nulls":3},"Nominal primary current","A",3150]
[{"$nulls":3},"Top Core Design",null,"Yes"]
[null,null,"4.1.2.1","Rated insulation level (switching impulse)","kV",275]
[null,null,"4.1.2.2","Basic insulation level (lightning impulse)","kV",650]
[null,null,"4.1.3.3","Nominal short-time current (see 5.1.5)"]
[{"$nulls":3},"a) thermal rating (r.m.s.)","kA",40,40]
[{"$nulls":3},"b) time applicable to thermal rating","s",1,1]
[{"$nulls":3},"c) dynamic rating","kA",127.5,"__________"]
[{"$nulls":3},"Frequency","Hz",50,"xxxxxxxxxx"]
[{"$nulls":3},"Maximum radio noise influence voltage","µV",2500]
[null,"C.3",4.1,"Type of current transformer offered"]
[{"$nulls":3},"Provide Manufacturer name",null,"Yes"]
[{"$nulls":3},"Provide Manufacturer’s type designation",null,"Yes"]
[null,"C.4","4.1.4.1","Details of insulated materials"]
[null,null,"4.1.4.2","Provide Manufacturer of HV insulator",null,"Yes"]
[{"$nulls":3},"Provide detailed drawing of insulator",null,"Yes"]
[null,"C.5","4.1.5","Details of oil-insulated current transformers "]
[null,null,"4.1.5.2","Provide Type of oil",null,"Yes"]
[null,null,"4.1.5.3","Is the oil certified free from polychlorinated biphenyls?",null,"Yes"]
[null,null,"4.1.5.4","Quantity of oil required","L","Yes"]
[null,null,"4.1.5.5","Sealing arrangements required",null,"Yes"]
[null,null,"4.1.5.6","Provide expansion accommodation method",null,"Yes"]
[null,null,"4.1.5.9","Provide oil-level indicator",null,"Yes"]
[null,null,"4.1.5.10","Provide oil sample valve and drawing",null,"Yes"]
[null,"C.6","4.1.6","Gas-insulated current transformers"]
[null,null,"4.1.6.2","Provide details of filling/evacuation valves",null,"N/A","xxxxxxxxxx"]
[null,null,"4.1.6.4","Provide details of density meter",null,"N/A","xxxxxxxxxx"]
[{"$nulls":3},"Provide weight of SF6 gas","daN","N/A","xxxxxxxxxx"]
[null,null,"4.1.6.3","Provide certificate of SF6 gas compliance",null,"N/A","xxxxxxxxxx"]
[null,null,"4.1.6.5","Method of sealing",null,"N/A","xxxxxxxxxx"]
[null,"C.7","4.1.3","Primary terminals"]
[null,null,"4.1.3.1","Materials:"]
[{"$nulls":3},"a) aluminium or",null,"-","__________"]
[]
[null,null,"4.1.3.1","Dimensions and orientation:"]
[{"$nulls":3},"a) diameter","mm",60]
[{"$nulls":3},"b) minimum length","mm",150]
[{"$nulls":3},"c) orientation",null,"Horizontal"]
[null,"C.8",4.3,"Constructional requirements"]
[null,null,"4.3.2.1","Provide drawing of terminal box",null,"Yes"]
[null,null,"4.3.2.2","Minimum effective gland area of secondary ","mm","130 x 75"]
[{"$nulls":3},"terminal box/gland plate: lengh x width"]
[null,null,"4.3.2.7","Provide capacitive tap",null,"Yes"]
[null,"C.9","4.3.5","Mounting arrangement"]
[{"$nulls":3},"Holding down bolts to be arranged to fall","mm",706]
[{"$nulls":3}," within a square of maximum dimensions"]
[null,"C10","4.3.6","Metal finish"]
[{"$nulls":3},"Finish offered on ferrous parts",null,"xxxxxxxxxx"]
[{"$nulls":3},"Finish offered on non-ferrous parts",null,"xxxxxxxxxx"]
[null,"C.11",4.4,"Rating plates and diagram plates"]
[null,null,"4.4.1","Provide details of materials used for rating plates",null,"Yes"]
[null,null,"4.4.5","Provide details of material used for diagram plates",null,"Yes"]
[null,null,"4.4.5","Provide details of method of fixing diagram and rating plates",null,"Yes"]
[null,"C.12",4.5,"Drawings and instruction manuals"]
[null,null,"4.5.1","Quantity of drawings and literature required with tender",null,1]
[null,null,"4.5.1.2","Provide Outline drawing",null,"Yes"]
[null,null,"4.5.3","Number of instruction books required with tender",null,1]
[{"$nulls":3},"Number of descriptive pamphlets required with tender",null,1]
[null,"C.13","5.3.6","Provide details of compliance of safety design features",null,"Yes"]
[null,"C.14","4.2.2","Details of measuring current transformers",null,"M32"]
[{"$nulls":3},"a) purpose",null,"Metering"]
[null,null,"4.2.1.4","b) relative position of the core (see annex A)",null,"Comply"]
[{"$nulls":3},"c) nominal current ratio (See Ratio requirements)",null,"3200/1"]
[{"$nulls":3},"d) number of cores (See Summary of requirements)",null,2]
[{"$nulls":3},"e) tap points at (See Ratio requirements)",null,"Comply"]
[null,null,"4.2.1.1","f) ratio selection on secondary",null,"Comply"]
[{"$nulls":3},"g) nominal continuous current"]
[{"$nulls":3},"1) primary","A",3150]
[{"$nulls":3},"2) secondary","A",2]
[{"$nulls":3},"h) short-time thermal r.m.s. current"]
[{"$nulls":3},"1) primary","kA",40]
[{"$nulls":3},"2) secondary (highest value)","A","-"]
[{"$nulls":3},"3) ratio for which (h)(2) applies",null,"-"]
[{"$nulls":3},"4) time","s",1]
[{"$nulls":3},"j) burden","VA",10]
[{"$nulls":3},"k) accuracy class",null,0.2]
[{"$nulls":3},"l) ratio for which (j) and (k) apply",null,"800/1"]
[{"$nulls":3},"m) maximum secondary winding resistance at 75 °C","W","-"]
[null,null,"5.1.8","Instrument security factor (FS)",null,20]
[null,null,"4.5.1.1","Provide core steel details",null,null,"__________"]
[{"$nulls":3},"a) grade",null,"On request"]
[{"$nulls":3},"b) thickness of lamina","mm","On request"]
[{"$nulls":3},"c) annealed?",null,"On request"]
[{"$nulls":3},"d) B/H curve",null,"Yes"]
[null,null,"5.4.2","Test certificates of individual routine tests are"]
[{"$nulls":3},"required and copies shall be placed in the terminal",null,"Comply"]
[{"$nulls":3},"box",null,null,"__________"]
[null,"C.15","4.2.3","Details of protective current transformers",null,"P32"]
[{"$nulls":3},"a) purpose",null,"Protection","Protection"]
[null,null,"4.2.3.2","b) accuracy class:",null,"PX"]
[null,null,"4.2.1.4","c) relative position of the core (see annex A)",null,"Comply"]
[null,null,"4.2.3.1","d) nominal turns ratio (See Ratio rrequirements)",null,"3200/1"]
[{"$nulls":3},"e) number of cores (See Summary of requirements)",null,2]
[{"$nulls":3},"f) tap points (See Ratio Requiremets)",null,"Comply"]
[null,null,"4.2.1.1","g) ratio selection on secondary",null,"Secondary"]
[{"$nulls":3},"h) nominal continuous thermal r.m.s. current"]
[{"$nulls":3},"1) primary","A",3150]
[{"$nulls":3},"2) secondary","A",2]
[{"$nulls":3},"j) short-time thermal r.m.s. current"]
[{"$nulls":3},"1) primary","kA",40]
[{"$nulls":3},"2) secondary (highest value)","A","-"]
[{"$nulls":3},"3) ratio for which (j)(2) applies",null,"-"]
[{"$nulls":3},"4) time","s",1]
[{"$nulls":3},"k) burden","VA","xxxxxxxxxx","xxxxxxxxxx"]
[{"$nulls":3},"l) accuracy limit factor (class P cores)",null,"xxxxxxxxxx","xxxxxxxxxx"]
[{"$nulls":3},"m) Eal or knee-point r.m.s. voltage","V",3200]
[{"$nulls":3},"n) maximum magnetization current at Eal or knee-point"]
[{"$nulls":4},"mA",32]
[{"$nulls":3},"p) ratio for which (b), (m) and (n) apply",null,"3200/1"]
[{"$nulls":3},"q) maximum secondary winding resistance at 75 °C","W",12.8]
[null,null,"4.2.1.2","r) maximum voltage on terminals of windings(s)"]
[{"$nulls":3},"not connected to the burden",null,"-"]
[null,null,"4.5.1.1(a)","Provide drawing number of magnetization curve",null,"Yes"]
[null,null,"4.5.1.1","Provide core steel details"]
[{"$nulls":3},"a) grade",null,"On request"]
[{"$nulls":3},"b) thickness of lamina","mm","On request"]
[{"$nulls":3},"c) annealed?",null,"On request"]
[{"$nulls":3},"d) B/H curve",null,"Yes"]
[null,null,"5.4.2","Test certificates of individual routine tests are"]
[{"$nulls":3},"required and copies shall be placed in the terminal",null,"Comply"]
[{"$nulls":3},"box"]
[null,"C.16","4.2.3.3","Details of bus zone cores",null,"B24"]
[{"$nulls":3},"a) purpose",null,"Bus zone protection"]
[null,null,"4.2.3.3","b) accuracy class: (note that (l) apply)",null,"PX"]
[null,null,"4.2.1.4","c) relative position of the core (see annex A)",null,"Comply"]
[null,null,"4.2.3.1","d) nominal turns ratio",null,"2400/1"]
[{"$nulls":3},"e) number of cores (See Summary of requirements)",null,2]
[{"$nulls":3},"f) tap point",null,"2400/1"]
[null,null,"4.2.1.1","g) ratio selection on secondary",null,"Yes"]
[{"$nulls":3},"h) nominal continuous thermal r.m.s. current"]
[{"$nulls":3},"1) primary","A",3150]
[{"$nulls":3},"2) secondary","A",2]
[{"$nulls":3},"j) nominal short-time thermal  r.m.s. current"]
[{"$nulls":3},"1) primary","kA",40]
[{"$nulls":3},"2) secondary (highest value)","A",20.8]
[{"$nulls":3},"3) ratio for which (j)(2) applies",null,"2400/1"]
[{"$nulls":3},"4) time","s",1]
[null,null,"4.2.3.3","k) Eal or knee-point r.m.s. voltage","V",550]
[{"$nulls":3},"l) maximum magnetization r.m.s. current","mA",50]
[{"$nulls":3},"m) ratio at which (k) and (l) apply",null,"2400/1"]
[{"$nulls":3},"n) maximum secondary winding resistance at 75 °C","W",2]
[null,null,"4.5.1.1(a)","Provide drawing number of magnetization curve",null,"Yes"]
[null,null,"4.5.1.1","Provide core steel details"]
[{"$nulls":3},"a) grade",null,"On request"]
[{"$nulls":3},"b) thickness of lamina","mm","On request"]
[{"$nulls":3},"c) annealed?",null,"On request"]
[{"$nulls":3},"d) B/H curve",null,"Yes"]
[null,null,"5.4.2","Test certificates of individual routine tests are"]
[{"$nulls":3},"required and copies shall be placed in the terminal",null,"Comply"]
[{"$nulls":3},"box"]
[null,"C.17","5.1.1","Tests"]
[{"$nulls":3},"Provide valid type test certificates (IEC 61869)",null,"Yes"]
[null,"C.18","5.1.2","Impulse tests on primary winding"]
[null,null,"5.1.2.1","a) minimum crest value of full-wave impulse type"]
[{"$nulls":3},"test voltage at sea level","kV",650]
[{"$nulls":3},"b) Indicate the test impulse wave shape used","ms","1/50 or 1.2/50 or 1,5/40"]
[null,"C.19",null,"High-voltage power-frequency withstand tests"]
[null,null,"5.1.3","Minimum 60 s power-frequency wet withstand type"]
[{"$nulls":3},"test voltage at sea level","kV",275]
[null,null,"5.2.4","Minimum 60 s power-frequency dry withstand"]
[{"$nulls":3},"routine test voltage at sea level","kV",275]
[null,"C.20","5.1.5","Short-time current test (see C.2)"]
[{"$nulls":3},"a) short-time withstand current","kA",40]
[{"$nulls":3},"b) time","s",1]
[null,"C.21","5.2.6.1","Ratio for accuracy test",null,"Yes"]
[null,"C.22","5.2.7.2","Method used for determining gas leakage rate",null,"On request"]
[null,null,"4.1.6.5","Leakage rate",null,"Comply"]
[null,"C.23",5.3,"Special test requirements (IEC 61869)"]
[null,null,"5.3.1","Impulse test (see 4.1.3.4)",null,"Yes"]
[null,null,"5.3.2","Mechanical strength and sealing test (see 4.1.3.5)",null,"Yes"]
[null,null,"5.3.3","Dielectric dissipation factor test",null,"Yes"]
[null,null,"5.3.4","Long duration voltage test",null,"Yes"]
[null,null,"5.3.5","Chopped impulse tests",null,"Yes"]
[null,null,"5.3.6","Internal arc withstand capability test",null,"Yes"]
[null,null,5.3,"Provide valid test certificates for the special tests",null,"Yes"]

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[]
[]
[null,"NON- COMPLIANCE SCHEDULES"]
[]
[null,"The equipment to be supplied complies in all respects with the requirements of the Specification and Schedule A, with the exception of the following points:"]
[null,"1.2          Specification"]
[null,"Page","Paragraph","Deviation or Non-compliance"]
{"$rows_empty":8}
[null,"1.3          Schedule A"]
[null,"Page","Paragraph","Deviation or Non-compliance"]
{"$rows_empty":11}
[null,"Deviation schedule"]
[]
[null,"Any deviations offered to this specification shall be listed below with reasons for deviation.  In addition, evidence shall be provided that the proposed deviation will at least be more cost-effective than that specified by Eskom."]
[null,"Item","Clause","Proposed deviation"]