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          跳過導航鏈接
          35KV and below level three-phase oil-immersed

          Overview

          As the main power transformation equipment of medium and small-sized substation, this product is applied to 3-phases, 50Hz,35kV class and below electric power systems. It is used for industrial and agricultural power distribution, motive power and illumination. Our company absorbs domestic and foreign advanced technologies, adopts new materials and optimizes the design. As a result, the product becomes more reasonable, and electrical strength, mechanical strength and heat dissipation capability of the product have been abviously impored.

          • Execution standard
          • Model
          • Performance
          • Parameters
          • Appearance
            • GB1094.1~2-1996 Power transformer
            • GB1094.3,5-2003 Power transformer
            • Technical parameters and requirements of GB/T6451-2008 three-phase oilimmersed power transformer
          • Performance characteristics
            • All high-voltage windings are of multilayer cylinder structure and impulse voltage distribution of windings is improved.
            • For low-voltage windings whose capacities range from 630 to 3,150kVA, cylinder or spiral type structure is adopted. With high mechanical strength and balanced distribution of ampere-turns, the product has strong capacity against short circuit.
            • The body is additionally equipped with positioning mechanism in order to avoid displacement during transportation; in the meantime, all fasteners are additionally equipped with retaining nuts to guarantee that fasteners are not loosened during long-term running; moreover, the requirement of no pendant-core examination is satisfied.
            • The iron core is made by laminating the inclined joints of high-quality cold-rolled grain orientated silicon steel sheet. The transformer adopts vacuum oil filling.
            • After carrying out degreasing, derusting and phosphating, the product surface shall be sprayed with prime coat and non-paint. As a result, the product can satisfy the special operation requirements of metallurgy and petrifaction system as well as moist and dirty areas. With good-looking appearance, small volume and small occupied area for installation, all series of products are the ideal maintenance-free products.
            • Small-volume transformer tank adopts corrugated plate and has respiratory function through which oil volume change caused by temperature change is compensated. As a result, transformer height is decreased and insulation property reduction is prevented effectively by avoiding the entering of oxygen and moisture.
          • Technical parameters of SZ9-(M)/35 series of three-phase oil—immersed loaded voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±
            3×2.5
            10.5
            6.3
            Yd11 1.713.0 6.5 1.119301240460036502850×1930×24301070×1070
            12502.015.01.122001320495038002900×1950×24501070×1070
            16002.418.01.025501400530039802950×1980×24901070×1070
            20002.920.21.027701560596049203010×2065×25401070×1070
            25003.421.81.033001750695056803035×2265×26101070×1070
            3150 35
            38.5
            4.126.0 7.0 0.937701970790060703160×2095×26401070×1070
            40001.930.70.945202260911070903290×2325×28901070×1070
            50005.836.00.8548024751086084603350×2520×30001070×1070
            63007.038.70.8681026201230098703475×2645×30501070×1070
            8000 6.3
            6.6
            10.5
            11
            9.942.8 7.5 0.78060333015300125504600×3010×32801475×1475
            1000011.750.60.79770375017860147004700×3150×33901475×1475
            1250013.859.9 8.0 0.610960421020050173304850×3300×35001475×1475
            1600015.274.00.613950490024150210004900×3800×36801475×1475
            2000020.087.50.516700612030100252004950×3710×36501475×1475
            2500023.4104.00.519800850036500287005050×3900×38501475×1475
            3150027.5123.50.45263009965046800398005130×4050×39202040×1475

            Technical parameters of SZ10-(M)/35 series of three-phase oil—immersed loaded voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±
            3×2.5
            10.5
            6.3
            Yd11 1.512.3 6.5 1.120301290478537952905×1970×24801070×1070
            12501.814.21.123101370515039502960×1990×25001070×1070
            16002.217.01.026801460551041303010×2020×25401070×1070
            20002.619.21.029101620619551203070×2105×25901070×1070
            25003.120.61.034651820723059103095×2310×26601070×1070
            3150 35
            38.5
            3.724.6 7.0 0.939602050821563103225×2140×27001070×1070
            40004.429.00.947502350947573753355×2375×29501070×1070
            50005.234.00.8575025751129587953420×2570×30601070×1070
            63006.336.60.87150272512795102653545×2695×31151070×1070
            8000 6.3
            6.6
            10.5
            11
            YNd11 8.840.4 7.5 0.78460346015915130504695×3190×33451475×1475
            1000010.447.80.710185390018575152904795×3215×34651475×1475
            1250012.356.6 8.0 0.611510438020850180254950×3255×35001475×1475
            1600013.570.00.614650509525115218404995×3880×37551475×1475
            2000017.883.00.517535636531305262105050×3890×37651475×1475
            2500020.898.50.520790884037960298505150×3980×39301475×1475
            3150024.5117.00.452761510364048675414005235×4130×39952040×1475

            Technical parameters of SZ11-(M)/35 series of three-phase oil—immersed loaded voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±
            3×2.5
            10.5
            6.3
            Yd11 1.311.1 6.5 1.121251365506040152965×2010×25301070×1070
            12501.614.21.124201450544541803015×2030×25501070×1070
            16001.917.01.028051540583043783070×2060×25901070×1070
            20002.319.21.030501720656054103130×2150×26401070×1070
            25002.720.61.036301925764562503160×2355×27151070×1070
            3150 35
            38.5
            3.224.6 7.0 0.941502165869066802865×2180×27501070×1070
            40003.929.00.9497024901002078103425×2420×30101070×1070
            50004.634.00.8603027301195093103485×2620×31201070×1070
            63005.536.60.87490288513530108603615×2750×31751070×1070
            8000 6.3
            6.6
            10.5
            11
            YNd11 7.740.4 7.5 0.78870367016830138104785×3250×34101475×1475
            100009.147.80.710670412519645161704890×3280×35351475×1475
            125001.856.6 8.0 0.612060463022055190705045×3320×35701475×1475
            1600012.070.00.615345539026565231005110×3950×38301475×1475
            2000016.083.00.518370673033110277205150×3960×38401475×1475
            2500018.098.00.521780935040150315705250×4060×40101475×1475
            3150021.0117.00.452893010962051480438005340×4215×40802040×1475
            Remark:
            • 1. Please consult our company for the performance parameters, overall dimension and weight of large capacity of 35kV transformer.
            • 2. The transformer with various voltage combinations, short circuit impedance and connection modes can be provided for the users according to actual demand.
            • 3. In case of 8000kVA and above volume, transformer is provided for the air cooling unit according to the user’s demand.
            • 4. The data and overall dimension in the form are for reference; in case of any changes, they are not notified any longer.

            Technical parameters of S9-(M)/35 series of three-phase oil-immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±
            3×2.5
            3.15
            6.3
            10.5
            Yd11 1.4812.2 6.5 1.01880970378030802400×1620×2490820×820
            12501.7614.70.920701010408033202420×1720×2470820×820
            16002.1317.60.8524801090466038302465×1830×2520820×820
            20002.6119.40.7528301200530043302545×1880×26001070×1070
            25003.1520.70.7534101330617050602610×2050×26701070×1070
            3150 35
            38.5
            3.8724.3 7.0 0.739001520710057102700×2090×26901070×1070
            40004.6428.80.747301750862070202770×2300×28001070×1070
            50005.4933.00.656001950995078602865×2425×28701070×1070
            63006.6036.90.6686023201158094603090×2285×31501475×1475
            8000 3.15
            3.3
            6.3
            6.6
            10.5
            11
            YNd11 9.0040.5 7.5 0.558090250014120115003230×3050×32801475×1475
            1000010.647.70.559860285016480135003380×3150×33701475×1475
            1250012.656.7 8.0 0.510930325018340148903550×3190×34301475×1475
            1600015.369.30.513450375022410183503910×3350×35801475×1475
            2000018.183.70.514200570028800235003950×3400×36201475×1475
            2500021.599.00.519650713035600280004950×4550×38501475×1475
            3150025.7118.80.4260001220042100360005020×4700×39502040×1475

            Technical parameters of S10-(M)/35 series of three-phase oil-immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±
            3×2.5
            3.15
            6.3
            10.5
            Yd11 1.3211.48 6.5 1.019801020397032352440×1645×2540820×820
            12501.5713.860.921801060428034902470×1750×2550820×820
            16001.9016.580.8526101145489040202515×1870×2550820×820
            20002.3218.280.7529801260556545502600×1920×26501070×1070
            25002.8019.550.7535801400648053202670×2090×27501070×1070
            3150 35
            38.5
            3.4422.95 7.0 0.740951590745559952755×2130×27501070×1070
            40004.1227.200.749701840905073702830×2350×28551070×1070
            50004.8831.200.6588020501045082552930×2480×29301070×1070
            63005.8434.850.6720024501216099303150×2330×32201475×1475
            8000 3.15
            3.3
            6.3
            6.6
            10.5
            11
            YNd11 8.0038.25 7.5 0.558500263014830120753295×3110×33451475×1475
            100009.4445.050.5510350300017310141803450×3210×34401475×1475
            1250011.2053.55 8.0 0.511500340019260156353620×3255×35001475×1475
            1600013.6065.450.514130394023530192703980×3420×36501475×1475
            2000016.0879.050.514910599030240246754030×3470×36901475×1475
            2500019.1293.500.520650749037380294005050×4640×39301475×1475
            3150022.80112.20.4273001281044205378005120×4800×40302040×1475

            Technical parameters of S11-(M)/35 series of three-phase oil-immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Voltage combination (%) Low voltage (kV) The body weight Oil weight Total weight Transport weight
            1000 35 ±5 3.15
            6.3
            10.5
            Yd11 1.1611.48 6.5 1.020701070416033902500×1690×2590820×820
            12501.3713.860.922801110449036502520×1790×2590820×820
            16001.6616.580.8527301200513042202560×1910×2620820×820
            20002.0318.280.7531201320583047702650×1955×27001070×1070
            25002.4519.550.7537501465679055602720×2135×27801070×1070
            3150 35
            38.5
            3.0122.95 7.0 0.742901680781062802800×2180×28001070×1070
            40003.6127.200.752001930949077202880×2390×29101070×1070
            50004.2731.200.6616021501095086502980×2520×29901070×1070
            63005.1134.850.67550255012740104103215×2380×32751475×1475
            8000 ±2×2.5 3.15
            3.3
            6.3
            6.6
            10.5
            11
            YNd11 7.0038.25 7.5 0.558900275015540126503360×3170×32801475×1475
            100008.2645.050.5510850314018130148503515×3280×35001475×1475
            125009.8053.55 8.0 0.512020358020180163803690×3320×35701475×1475
            1600011.9065.450.514795412524650201854065×3490×39301475×1475
            2000014.0779.050.515620627031680258504110×3550×37701475×1475
            2500016.7393.500.521615784039160308005150×4730×40001475×1475
            3150019.95112.20.4286001342046310396005220×4890×41102040×1475

            Technical parameters of S9-(M)/35 series of double winding non-excitation voltage regulation power distribution transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            50 35±50.4 Yyn0
            or
            Dyn11
            2201220 6.5 2.02462657101100×875×1715550×550
            10031020301.83823369601190×915×1780550×550
            12535023901.848541012001220×1040×1780550×550
            16037028401.752043013501240×1070×1810550×550
            20044033301.661547714001380×780×1875660×660
            25052039601.468350015601540×880×1820660×660
            31562047701.483556818401440×800×1975660×660
            40074057601.3102065520901660×825×1995660×660
            50088069301.3116672523901710×865×2030660×660
            630105082801.3141579728351630×1235×2070660×660
            800125099001.1163284532401655×1415×2120820×820
            10001480122001.0208096539801860×1435×2220820×820
            12501770147000.92330111045201890×1640×2260820×820
            16002140176000.82900120053502050×1720×23901070×1070
            20002500207000.73180133057602400×1900×24101070×1070
            25002980245000.73410140065502500×1930×27001070×1070
            31503600295000.74450180083502600×2100×28001070×1070

            Technical parameters of S10-(M)/35 series of double winding non-excitation voltage regulation power distribution transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            50 35±50.4 Yyn0
            or
            Dyn11
            2001150 6.5 2.02602757401120×890×1750550×550
            10028019201.84003509951220×940×1820550×550
            12531022601.851043012501250×1060×1820550×550
            16033026801.755045014051270×1095×1850550×550
            20039031501.664549514601410×795×1915660×660
            25046037401.472052016251575×905×1860660×660
            31555045101.488059019151470×820×2020660×660
            40066054401.3107068021751695×845×2040660×660
            50078065501.3122576024851745×885×2070660×660
            63093078201.3148583029501665×1260×2115660×660
            800112093501.1171588033701690×1450×2160820×820
            10001320114801.02185100541401900×1465×2265820×820
            12501570138600.92450116047001930×1680×2310820×820
            16001900165800.83045125055702090×1755×24401070×1070
            20002230195500.73340139059902450×1940×24601070×1070
            25002650231400.73580146068102550×1970×27551070×1070
            31503200278700.74670187086852660×2150×29001070×1070

            Technical parameters of S11-(M)/35 series of double winding non-excitation voltage regulation power distribution transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            50 35±50.4 Yyn0
            or
            Dyn11
            1701150 6.5 2.02702957851160×920×1800550×550
            10024019201.842037010601250×960×1870550×550
            12527022601.853545513201280×1090×1870550×550
            16029026801.757547514851310×1130×1900550×550
            20034031501.668053015401450×820×1970660×660
            25040037401.475555017201620×930×1910660×660
            31548045101.492062520301510×840×2075660×660
            40058054401.3112572023001750×870×2095660×660
            50068065501.3128580026301795×910×2140660×660
            63052078201.3156088031201720×1295×2180660×660
            80098093501.1179593035701740×1490×2230820×820
            10001160114801.02290106543801960×1510×2330820×820
            12501380138600.92565122049801990×1730×2380820×820
            16001660165800.83190132058852155×1810×25101070×1070
            20001950195500.73500146563402520×1995×25301070×1070
            25002320231400.73750154072102630×2030×28401070×1070
            31502800278700.74895198091902730×2210×29401070×1070
            Remark:
            • 1. Please consult our company for the performance parameters, overall dimension and weight of larger capacity of 35kV transformer.
            • 2. The transformer with various voltage combinations, short circuit impedance and connection modes can be provided for the users according to actual demand.
            • 3. The data and overall dimension in the form are for reference; in case of any changes, they are not notified any longer.

            Technical parameters of S9(M)/10 series of three-phase oil—immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            30 6
            6.3
            10
            10.5
            11
            ±5
            ±2×2.5
            0.4 Yyn0
            or
            Dyn11
            130600 4.0 2.115088320780×480×890400×400
            501708702.020899430780×635×905400×400
            6320010401.9231102450850×630×910400×400
            8025012501.8256102500805×740×925550×550
            10029015001.63191206301010×760×960550×550
            12534018001.53621296601015×710×970550×550
            16040022001.44201427451025×720×985550×550
            20048026001.34731658651035×720×1065550×550
            25056030501.261218510301075×750×1095550×550
            31567036501.169619311601315×935×1155660×660
            40080043001.083226913951370×920×1170660×660
            50096051501.098727216751401×1000×1275660×660
            63012006200 4.5 0.9118129520201410×970×1340820×820
            800140075000.8129641023801580×1070×1355820×820
            10001700103000.7141544426601730×1220×1420820×820
            12501950120000.6167255732801980×1280×1490820×820
            16002400145000.6208564940401920×1355×1585820×820
            2000285019500 5.5 0.6241588348551980×1470×16601070×1070
            25003000213000.6297597557152145×1460×22501070×1070
            31503550243006.00.44124162176252415×1775×27201070×1070

            Technical parameters of S10(M)/10 series of three-phase oil—immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            30 6
            6.3
            10
            10.5
            11
            ±5
            ±2×2.5
            0.4 Yyn0
            or
            Dyn11
            110600 4.0 2.115088320780×480×890400×400
            501508702.020899430780×635×905400×400
            6318010401.9231102450850×630×910400×400
            8020012501.8256102500805×740×925550×550
            10023015001.63191206301010×760×960550×550
            12527018001.53621296601015×710×970550×550
            16031022001.44201427451025×720×985550×550
            20038026001.34731658651035×720×1065550×550
            25046030501.261218510301075×750×1095550×550
            31554036501.169619311601315×935×1155660×660
            40065043001.083226913951370×920×1170660×660
            50078051501.098727216751401×1000×1275660×660
            6309206200 4.5 0.9118129520201410×970×1340820×820
            800112075000.8129641023801580×1070×1355820×820
            10001320103000.7141544426601730×1220×1420820×820
            12501560120000.6167255732801980×1280×1490820×820
            16001880145000.6208564940401920×1355×1585820×820
            2000241019500 5.5 0.6241588348551980×1470×16601070×1070
            25002670213000.6297597557152145×1460×22501070×1070
            31503170243006.00.44124162176252415×1775×27201070×1070

            Technical parameters of S11(M)/10 series of three-phase oil—immersed non-excitation voltage regulation power transformer
            Rated volume (kVA) Voltage combination Conn. Symb. No. No-load loss (kW) On-load loss (kW) Impedance (%) Excit. Curr. (%) Weight (Kg) Outline dime.
            Length × width × height (mm)
            Track gauge (mm)
            High voltage (kV) Branching (%) Low voltage (kV) The body weight Oil weight Total weight
            30 6
            6.3
            10
            10.5
            11
            ±5
            ±2×2.5
            0.4 Yyn0
            or
            Dyn11
            100600 4.0 2.115088320780×480×890400×400
            501308702.020899430780×635×905400×400
            6315010401.9231102450850×630×910400×400
            8018012501.8256102500805×740×925550×550
            10020015001.63191206301010×760×960550×550
            12524018001.53621296601015×710×970550×550
            16028022001.44201427451025×720×985550×550
            20034026001.34731658651035×720×1065550×550
            25040030501.261218510301075×750×1095550×550
            31548036501.169619311601315×935×1155660×660
            40057043001.083226913951370×920×1170660×660
            50068051501.098727216751401×1000×1275660×660
            6308106200 4.5 0.9118129520201410×970×1340820×820
            80098075000.8129641023801580×1070×1355820×820
            10001150103000.7141544426601730×1220×1420820×820
            12501360120000.6167255732801980×1280×1490820×820
            16001640145000.6208564940401920×1355×1585820×820
            2000198019500 5.5 0.6241588348551980×1470×16601070×1070
            25002350213000.6297597557152145×1460×22501070×1070
            31502800243006.00.44124162176252415×1775×27201070×1070
            Remark:
            • 1. Please consult our company for the performance parameters, overall dimension and weight of larger capacity of 10kV transformer.
            • 2. The transformer with various voltage combinations, short circuit impedance and connection modes can be provided for the users according to actual demand.
            • 3. Special transformers such as rectification transformer, electric furnace transformer, mining transformer, loaded voltage regulation transformer and sealed hood type transformer are provided according to the user’s actual demand.
            • 4. The data and overall dimension in the form are for reference; in case of any changes, they are not notified any longer.
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