Ningbo Hyuan Power Industry Co., Ltd.  

Product Name: 330kv 150mva Power Transformer Model NO.: OSFSZ-165000/330 Frequency Characteristics: High Frequency Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer Certification: ISO9001-2000, UL, ISO9001 Winding Type: Two-winding Transformer Cooling Method: Oil-immersed Type Transformer Core: Core-type Transformer Phase: Three Application: Power Trademark: HEMG Transport Package: Cargo Specification: 330KV 150MVA Origin: China Product Description 1. technical data schedules2.1 Autotransformer, 150/165 MVA, 330/132/33 kVTECHNICAL DATA SCHEDULEAUTOTRANSFORMER 150/165 MVA, 330/132/33 kVCODE NO: 4201ITEMDEscriptIONUNITSREQUIREDGUARANTEED1.0Manufacturer/Country--Equipment that are compliant with KEMA, KERRI or CESSI Certifications. (Attach Certificates and Type Tests report from STL Members only) YES1.1Type-Three-phaseOSFSZ-165000/3301.2Class--2.0Rated data and characteristics2.1Rated power:- primary/secondary- tertiaryMVAMVA150/16530165/165302.2Cooling-ONAN/ONAFONAN/ONAF2.3Rated voltage- HV winding- LV winding- tertiary windingkVkVkV33013233330132332.4Tap changer:- type- on-load tap changer location- regulating range- rating-%-Oil/VacuumHV Neutral side+4 x 1.25%-12 x 1.25%Rated power on all tapsOilHV Neutral side+4 x 1.25%-12 x 1.25%Rated power on all taps2.5FrequencyHz50502.6Connection of the three-phase windings (group of vectors IEC 76)-YN,a0,d11YN,a0,d112.7Rated current at onAF rated power and rated voltage tap:- HV winding- LV winding- tertiary windingAAA28370453289722(LINE)/433(PHASE)303 2.8No-load current through:- HV winding- LV winding- tertiary windingAAA@100%≤0.4(max)≤0.6(max)≤0.6(Max)@100%≤0.4(max)≤0.6(max)≤0.6(Max)2.9Short circuit impedancebase: rated voltage and 150 MVAbase: rated voltage and 165 MVA2.9.1Direct impedance at nominal voltage tap:- HV/LV- HV/TV- LV/TV%%%1550331550332.9.2Direct impedance at minimum voltage tap:- HV/LV%1511.02.9.3Direct impedance at maximum voltage tap:- HV/LV%1516.32.9.4Zero sequence impedance at nominal voltage tap%10,47- HV / LV- HV / TV- LV / TV%%%------2.10Tolerance to be applied to the short circuit impedance, in terms of % of the guaranteed value on:- nominal voltage tap- other taps%%+5-15+5-152.11Transformer capacity to withstand external short circuits:2.11.1Short circuit durationS222.11.2Symmetrical short circuit current withstand during the indicated period and asymmetrical short circuit withstand:- HV windingkA RMSkA (peak)-100kA/2s-100kA/2s- LV windingkA RMSkA (peak)60kA/2s60kA/2s- tertiary windingkA RMSkA (peak)31.5kA/2s31.5kA/2s- pre-fault voltagep.u.1.051.052.12Guaranteed losses2.12.1No-load losses at rated voltage and frequency, with rated voltage tapkW≤71.5≤71.52.12.2No-load losses at 110% of the rated voltage, at rated frequency and rated voltage tapkW≤87.8≤1302.12.3No-load losses capitalized valueUS $/kW300030002.12.4Tolerance to be applied to no-load losses(in % of the guaranteed value)%10102.12.5On-load losses at rated voltage and frequency, with rated voltage tap and onAN rating:- HV winding- LV winding- tertiary windingAt (165MVA)kWkWkWKW---≤276---≤3602.12.6On-load losses capitalized valueUS $/kW300030002.12.7Tolerance to be applied to total losses (in %of the guaranteed value) for all the windings%10102.12.82.12.9Auxiliaries consumption at second stage of cooling (ONAN/ONAF)Efficiency at 75deg at: unity P.F.100% loading75% loading50% loading0.8 P.F.1. 100%2. 75%3. 50%kW % % % % % %-≥99.7≥99.6-99.73%99.67%2.13Highest voltage for equipment:- HV winding- LV winding- tertiary windingkVkVkV36214536362145362.142.14.1Rated insulation level:Short time power frequency withstand:- HV winding - line terminal- LV winding - line terminal- neutral- tertiary winding- control wiringkV RMSkV RMSkV RMSkV RMSkV RMS65027538702.05102753870-2.14.2Basic impulse level:- HV winding - line terminal- LV winding - line terminal- neutral point- tertiary windingkV (peak)kV (peak)kV (peak)kV (peak)105065012514510506501251452.14.3Basic switching surge level HV winding( Line-to-Ground/Line-to-Line )kV (peak)850/1275850/-2.15Temperature rise limits at maximum power output at onAN and onAF ratings and at lowest voltage tap and corresponding voltage:- top oil at ambient temperature- average copper at ambient temperature- hot spot windingsKKK4555684555682.16Permissible overload in emergency cases:- Maximum continuous overload based on highest winding temperature which exceeds by 5oC the guaranteed limitMVA- Maximum continuous over voltage based on the specified temperature rise limits (in % of the rated voltage)%552.17Oil:- manufacturer- type- data sheet attached---NYNAS NYTRO 10XN (Inhibited) (IEC 60296)---NYNAS NYTRO 10XN (Inhibited) (IEC 60296)2.18Bushings2.18.1HV bushings:- class- manufacturer- type designation- rated current- short circuit withstand- basic insulation level- basic switching surge level- power frequency withstand for 1 minute- connectors for- creepage distancekV--AkA RMSkV (peak)kV (peak)kV RMS-mm/kV420--2500100kA/2s14251175650TBA31550xDBRDLW2500100kA/2s18001300790TBA312.18.2LV bushings:- class- manufacturer- type designation- rated current- short circuit withstand- basic insulation level- power frequency withstand for 1 minute- connectors for- creepage distancekV--AkA RMSkV (peak)kV RMS-mm/kV145--75060kA/2s750325TBA31170xDBRDLW125060kA/2s750340TBA312.18.3Tertiary bushings:- class- manufacturer- type designation- rated current- short circuit withstand- basic insulation level- power frequency withstand for 1 minute- connectors for- creepage distancekV--AkA RMSkV (peak)kV RMS-mm/kV36----17070TBA3140.5XDBRDLW160020080TBA312.18.4Neutral bushings:- class- manufacturer- type designation- rated current- short circuit withstand- basic insulation level- power frequency withstand for 1 minute- connectors for- creepage distancekV--AkA RMSkV (peak)kV RMSmm/kV170--1250A50kA/2s750325-31170xDBRDLW125050kA/2s750340-312.192.19.1Design data:Maximum flux density in the columns at:- rated voltage- 105% of the rated voltageteslatesla1.51.581.71.792.19.2Maximum flux density in the yokes at:- rated voltage- 105% of the rated voltageteslatesla1.51.581.71.792.19.3Maximum current density at onAN rated power and rated voltage tap:- HV winding- LV winding-Tertiary windingA/mm2A/mm2A/mm2 1.4-1.9 2.2-2.9 TP1.92.52.19.4Winding resistance:- HV winding- LV winding-Tertiary windingohmsohmsohms---0.640.200.102.19.5Voltage regulation at onAN rating and rated voltage tap (in % of the rated voltage):- With unity power factor:. LV side. TV side%%----- With 0.9 power factor (lagging):. LV side. TV side%%----- With 0.8 power factor (lagging):. LV side. TV side%%----2.19.6Primary exciting current, LV side:- at 0.01 second- at 0.1 secondkAkA----2.19.7Core silicon steel grade(core or shell)-CORE:(23M-OH /23ZDKH)CORE2.19.8Winding conductor-CopperCopper2.20Audible noise level- Voltage in percent of rated value- onAN rating- onAF maximum rating%dB(A)dB(A)105≤83 max≤86 max105≤83 max()≤86 max()2.21Radio Interference Voltage at 0.5 MHzas per IEC 694mV≤2500 max≤2500 max3.0Weights and dimensions3.1Total weight of transformer, equipped for serviceKg-2360003.2Weight:- oil- core and coil assembling- tank and accessories- net copper- net core steelkgkgkgkgkg-----74000980006400034000550003.3Maximum shipping weight (heaviest item)Kg-132000()3.4Height from foundation to:- highest point of HV bushing- highest point of tank- highest point of conservator tank- highest point of lifting hook to remove core and coil assemblymmmmmmmm---88003300690085003.5Outline dimensions:- length- widthmmmm--1460072003.6Layout drawing no -To be enclosedwith bid3.7Maximum shipping dimensions of tank:- outside height- outside width- outside lengthmmmmmm---10200380033003.8Transportation drawing no -To be enclosedwith bid4.0On-load tap changer4.1Manufacturer-MR REINHAUSENGERMANYMRGERMANY4.2Type-OilOil4.3Rated through currentA-6004.4Number of steps-17174.5Short circuit withstand kA RMS884.6BIL to groundkV (peak)7507504.7Power frequency withstand voltage for 1 minutekV RMS3253254.8Tap transition device-Jansen4.9Parallel automatic controller-Master-followerMaster-follower5.0Current transformer incorporated into the power transformer5.15.1.15.1.25.1.3CT in HV phase bushings:Number of cores per bushingPrimary rated currentSecondary rated current-AA24001240015.1.4Accuracy class:- protection- metering--To be coordinated(1)5P20, 20 VA(1)CL0.2, 20 VA(1)5P20, 20 VA(1)CL0.2, 20 VA5.1.5Ratio-400:1400/15.1.6Short circuit withstand A100kA/2s-5.1.7Continuous secondary current thermal limitA--5.2CT in LV phase bushings:5.2.1Number of cores per bushing-225.2.2Primary rated currentA8008005.2.3Secondary rated currentA115.2.4Accuracy class:- protection- metering---To be coordinated(1) 5P20, 20 VA,(1)CL0.2, 20 VA(1) 5P20, 20 VA,(1)CL0.2, 20 VA5.2.5Ratio-800/1 800/15.2.6Short-circuit withstand A60kA/2s- 5.2.7Continuous secondary current (thermal limit)A--5.35.3.15.3.25.3.35.3.4CT in LV neutral bushing:Number of cores per bushingPrimary rated currentSecondary rated currentAccuracy class - protection (to be coordinated)-AA-28001(1) 5P20, 20 VA 28001(1) 5P20, 20 VA 5.3.5Ratio-800:1 / 400:1400-800/15.3.6Short circuit withstand A--5.3.7Continuous secondary current (thermal limit)A--5.45.4.15.4.25.4.35.4.4CT in tertiary phase bushings:Number of cores per bushingPrimary rated currentSecondary rated currentAccuracy class:- protection-AA-28001(2) 5P20, 20VA28001(2) 5P20, 20VA5.4.5Ratio-800:1800/15.4.6Short circuit withstand A--5.4.7Continuous secondary current (thermal limit)A--6.0Layout6.1Primary winding bushings-(3) Long. AxisLong. Axis6.2Secondary winding bushings-(3) Long. Axis (opposite to HV)Long. Axis(opposite to HV)6.3Tertiary winding bushings-(3) Transv. Wall in junction boxTransv. Wall in junction box6.4Conservator tank-Transv. Axis6.5Tap changer-Transv. Axis6.6Control cabinet--6.7Radiators--6.8Terminal block connection drawing-As per enclosed drawings7.0StandardsLatest revision of IEC 60296Latest revision of IEC 602967.1Manufacturing-IEC 60044IEC 60076IEC 60137IEC 60214IEC 60529IEC 60815IEC 60947NEMA TR-1IEC 60044IEC 60076IEC 60137IEC 60214IEC 60529IEC 60815IEC 60947NEMA TR-17.2Quality assurance-ISO------------ISO------------8.0Installation-Outdoor in substation yardOutdoor in substation yard9.0Type test reportCopy of type test for similar transformer to be included with the bidCopy of type test for similar transformer to be included with the bid