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  • Distribution and Power Transformers - Matelec GroupExplore further

    2012-1-25u2002·u20022.2.3. Ambient temperature and temperature rise The ambient temperature is the normal ambient temperature under which the transformer will operate. The temperature rise expresses the rise of the cooling medium and the winding temperatures when the transformer operates at full load. The maximum values are defined by applied standards.

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  • Transformer 20kv 1250kva Oil Immersed/three Phases

    Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer, Find Complete Details about Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer,22kv Transformer,22kv Oil Transformer,1250kva Transformer from Transformers Supplier or Manufacturer-Hunan Electric Union Corp.

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  • 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer

    China 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer, Find details about China Oil-Immersed Transformer, 20kv Transformer from 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer - CEEG Nanjing Transmission & Distribution Equipment Co., Ltd.

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  • 1250kva power transformer, 1250kva power transformer ...

    Alibaba.com offers 1,014 1250kva power transformer products. A wide variety of 1250kva power transformer options are available to you, such as usage, phase, and coil structure.

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  • 1250 KVA Transformer Price

    2021-9-15u2002·u2002Designed for extreme system supply variations and ambient temperature Losses as per star rating (if required) as per BEE Low Power Loss and Low Noise . Salient Features. Rating: Upto 1250 kVA Voltage Class: Upto 33 kV Frequency: 50 60 Hz or as per requirement Tap Types: Off Circuit Tap Switch On Load Tap Changer

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  • High Quality 1000kva 1250kva 22kv 415v Step Down Oil ...

    High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer, Find Complete Details about High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer,Oil Immersed Distribution Transformer,22kv 35kv 315kva S9 S11 S13 Pole Mounted Oil Immersed 1500 Kva 33kv Step Down Transformer,11kv 15kv 20kv 22kv Step Down 400v 415v 433v 440v Oil Immersed …

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  • Dry Type Transformer Brochure - Power management

    2021-9-9u2002·u2002Voltage 6/10kV 20kV 35kV P.F.test 35kV 50kV 70kV B.I.L.test 75kV 125kV 170kV Protection Enclosure Grade: IP00, IP20, IP23 or as required Service Condition: Altitude, not exceeding 1000m. Ambient temperature, not exceeding 40℃ Standards: 《GB1094 Power Transformer 》

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  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

    Get Price
  • Dry Type Transformers Full Line Catalog - Jefferson Electric

    2021-3-16u2002·u2002Power: 50 VA through 10,000 kVA Input and output voltages through 35 kV Multiple primaries and secondaries, and phase angles Frequencies (Hz): 60, 50, 400 or special Primary tap configurations Core and winding material options Specific ambient temperature and temperature rises Impedance Inrush

    Get Price
  • Medium voltage products Technical guide The MV/LV ...

    2016-4-19u2002·u2002Power transformers 48 7.1 Main characteristics 46 7.2 Choice of transformers based on energy losses and efficiency 46 7.3 Efficiency requirements and classes for transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation ...

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  • 4GB6175-.....-.... Siemens - DS-GEAFOL-DISTRIBUTION ...

    ds-geafol-distribution- transformer ac.iec60076-11:2004 ambient class e2 climatic category c2 fire class f1 operating mode db cooling method an rated power 1250kva high voltage ur 20kv …

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  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

    Get Price
  • Dry Type Transformer Brochure - Power management

    2021-9-9u2002·u2002Voltage 6/10kV 20kV 35kV P.F.test 35kV 50kV 70kV B.I.L.test 75kV 125kV 170kV Protection Enclosure Grade: IP00, IP20, IP23 or as required Service Condition: Altitude, not exceeding 1000m. Ambient temperature, not exceeding 40℃ Standards: 《GB1094 Power Transformer 》

    Get Price
  • Dry Type Transformers Full Line Catalog - Jefferson Electric

    2021-3-16u2002·u2002Power: 50 VA through 10,000 kVA Input and output voltages through 35 kV Multiple primaries and secondaries, and phase angles Frequencies (Hz): 60, 50, 400 or special Primary tap configurations Core and winding material options Specific ambient temperature and temperature rises Impedance Inrush

    Get Price
  • 1250kVA 3-Phase Distribution Transformer, Induction ...

    Induction Electric - Offering 1250kVA 3-Phase Distribution Transformer in Kolkata, West Bengal. Read about company. Get contact details and address ID: 21076926712

    Get Price
  • Medium voltage products Technical guide The MV/LV ...

    2016-4-19u2002·u2002Power transformers 48 7.1 Main characteristics 46 7.2 Choice of transformers based on energy losses and efficiency 46 7.3 Efficiency requirements and classes for transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation ...

    Get Price
  • 11kv 22kv 1250kVA 3 Phase Distribution Electrical Power ...

    11kv 22kv 1250kVA 3 Phase Distribution Electrical Power Transformer. The transformer uses high-quality materials, especially the use of new technologies and new materials for the insulation of the coil and the transformer body, which significantly reduces the no-load and load loss, and the performance and structure are more reliable and superior.

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  • 1600kVA 20kV Dry Type Transformer, 22kV 24kV dry ...

    1600kVA 20kV Dry Type Transformer, 22kV 24kV dry transformer, US $ 12500 - 12500 Unit, China, SafeCast, SafeCast-1600/20.Source from Hunan Electric Union Corp. on Alibaba.com.

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  • Technical Specification - UNDP

    transformer winding hot spot temperature exceeding 110 ºC: Load Percent of rating (%) Minimum Duration in Minutes at Ambient Temperature of Percent of 30 ºC 40 ºC 133 240 155 150 98 65 The supplier shall demonstrate by test and calculation that these requirements are met.

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  • China 1250kVA High Voltage Three Phase Oil Immersed

    China 1250kVA High Voltage Three Phase Oil Immersed Type Electrical Transformer, Find details about China Transformer, Power Transformer from 1250kVA High Voltage Three Phase Oil Immersed Type Electrical Transformer - Denggao Electric Co., Ltd.

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  • Minera Oil Type Transformer 1250kVA - TraceParts

    Download Minera Oil Type Transformer 1250kVA. Available for SOLIDWORKS, Inventor, Creo, CATIA, Solid Edge, autoCAD, Revit and many more CAD software but also as STEP, STL, IGES, STL, DWG, DXF and more neutral CAD formats.

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  • 20KV Series Cast Resin Dry Type Transformer - YueBian ...

    A temperature display controller can be installed to display and control the operating temperature of the transformer windings to ensure the normal life of the transformer. Due to the different voltages in each country, our company can design and manufacture according to customer requirements.

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  • CAST RESIN TRANSFORMERS - Legrand

    2017-12-4u2002·u2002Protection against temperature rise 20 Ventilation of the Transformers 21 Vectorial groups 24 Selection criteria 4 - 24 ... 20kV Step down transformer Secondary voltage 400V Industrial users: 400V ... to discover power transformers in compliance with the …

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  • Transformer Product Catalog - ACI Controls

    2017-10-18u2002·u2002The absolute maximum temperature present in the transformer. This number is equal to the sum of the ambient temperature, temperature rise and a variable. T Hot Spot = T ambient + T rise + (10-20)°C. Common Mode Electrical noise or voltage disturbance that occurs between all of the line leads and the common ground, or between the

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  • 1250kVA 3-Phase Distribution Transformer, Induction ...

    Induction Electric - Offering 1250kVA 3-Phase Distribution Transformer in Kolkata, West Bengal. Read about company. Get contact details and address ID: 21076926712

    Get Price
  • Reliable. Proven. Simply fact. Cast Resin Transformers

    2016-6-8u2002·u2002Thus, the transformer's capability of handling steep or extreme temperature increases safely is paramount. This feature depends decisively on the design of the cast resin composite material, the matrix, into which the conductors are encapsulated. For the usual cast resin transformers, this composite material consists of an epoxy resin which is

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  • Technical Specification - UNDP

    transformer winding hot spot temperature exceeding 110 ºC: Load Percent of rating (%) Minimum Duration in Minutes at Ambient Temperature of Percent of 30 ºC 40 ºC 133 240 155 150 98 65 The supplier shall demonstrate by test and calculation that these requirements are met.

    Get Price
  • Transformers - Hitachi ABB Power Grids

    2021-9-15u2002·u2002Transformers. Hitachi ABB Power Grids is global leader in transformers, offering liquid-filled and dry-type transformers as well as services for complete life-cycle support, including replacement parts and components. Our portfolio allows utilities, industries and infrastructure sectors to maximize return on transformer assets by ensuring high ...

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  • 20kv 200kVA 300kVA Three Phase Distribution Power

    2020-3-17u2002·u2002three phase distribution 30 kva 20kv s11 power transformer. Product Description. Power transformer oil immsered overhead transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission,

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  • 2mva 33kv to 415v step down 20kv power distribution ...

    2mva 33kv to 415v step down 20kv power distribution transformer 13.8kv 2 winding 160kva 20kv 200kva, US $ 900 - 4300 Piece, Zhejiang, China, Conso.CN, S11-M.Source from Conso Electrical Science And Technology Co., Ltd. on Alibaba.com.

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  • Distribution and Power Transformers - Matelec Group

    2012-1-25u2002·u20022.2.3. Ambient temperature and temperature rise The ambient temperature is the normal ambient temperature under which the transformer will operate. The temperature rise expresses the rise of the cooling medium and the winding temperatures when the transformer operates at full load. The maximum values are defined by applied standards.

    Get Price
  • Transformer 20kv 1250kva Oil Immersed/three Phases

    Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer, Find Complete Details about Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer,22kv Transformer,22kv Oil Transformer,1250kva Transformer from Transformers Supplier or Manufacturer-Hunan Electric Union Corp.

    Get Price
  • 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer

    China 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer, Find details about China Oil-Immersed Transformer, 20kv Transformer from 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer - CEEG Nanjing Transmission & Distribution Equipment Co., Ltd.

    Get Price
  • 1250kva power transformer, 1250kva power transformer ...

    Alibaba.com offers 1,014 1250kva power transformer products. A wide variety of 1250kva power transformer options are available to you, such as usage, phase, and coil structure.

    Get Price
  • 1250 KVA Transformer Price

    2021-9-15u2002·u2002Designed for extreme system supply variations and ambient temperature Losses as per star rating (if required) as per BEE Low Power Loss and Low Noise . Salient Features. Rating: Upto 1250 kVA Voltage Class: Upto 33 kV Frequency: 50 60 Hz or as per requirement Tap Types: Off Circuit Tap Switch On Load Tap Changer

    Get Price
  • High Quality 1000kva 1250kva 22kv 415v Step Down Oil ...

    High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer, Find Complete Details about High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer,Oil Immersed Distribution Transformer,22kv 35kv 315kva S9 S11 S13 Pole Mounted Oil Immersed 1500 Kva 33kv Step Down Transformer,11kv 15kv 20kv 22kv Step Down 400v 415v 433v 440v Oil Immersed …

    Get Price
  • Dry Type Transformer Brochure - Power management

    2021-9-9u2002·u2002Voltage 6/10kV 20kV 35kV P.F.test 35kV 50kV 70kV B.I.L.test 75kV 125kV 170kV Protection Enclosure Grade: IP00, IP20, IP23 or as required Service Condition: Altitude, not exceeding 1000m. Ambient temperature, not exceeding 40℃ Standards: 《GB1094 Power Transformer 》

    Get Price
  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

    Get Price
  • Dry Type Transformers Full Line Catalog - Jefferson Electric

    2021-3-16u2002·u2002Power: 50 VA through 10,000 kVA Input and output voltages through 35 kV Multiple primaries and secondaries, and phase angles Frequencies (Hz): 60, 50, 400 or special Primary tap configurations Core and winding material options Specific ambient temperature and temperature rises Impedance Inrush

    Get Price
  • Medium voltage products Technical guide The MV/LV ...

    2016-4-19u2002·u2002Power transformers 48 7.1 Main characteristics 46 7.2 Choice of transformers based on energy losses and efficiency 46 7.3 Efficiency requirements and classes for transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation ...

    Get Price
  • Distribution and Power Transformers - Matelec Group

    2012-1-25u2002·u20022.2.3. Ambient temperature and temperature rise The ambient temperature is the normal ambient temperature under which the transformer will operate. The temperature rise expresses the rise of the cooling medium and the winding temperatures when the transformer operates at full load. The maximum values are defined by applied standards.

    Get Price
  • Transformer 20kv 1250kva Oil Immersed/three Phases

    Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer, Find Complete Details about Transformer 20kv 1250kva Oil Immersed/three Phases Power Distribution Transformer/22kv 24kv Transformer,22kv Transformer,22kv Oil Transformer,1250kva Transformer from Transformers Supplier or Manufacturer-Hunan Electric Union Corp.

    Get Price
  • 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer

    China 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer, Find details about China Oil-Immersed Transformer, 20kv Transformer from 20kv 1250kVA S11-1250/20 Oil Filled Power Transformer - CEEG Nanjing Transmission & Distribution Equipment Co., Ltd.

    Get Price
  • 1250kva power transformer, 1250kva power transformer ...

    Alibaba.com offers 1,014 1250kva power transformer products. A wide variety of 1250kva power transformer options are available to you, such as usage, phase, and coil structure.

    Get Price
  • 1250 KVA Transformer Price

    2021-9-15u2002·u2002Designed for extreme system supply variations and ambient temperature Losses as per star rating (if required) as per BEE Low Power Loss and Low Noise . Salient Features. Rating: Upto 1250 kVA Voltage Class: Upto 33 kV Frequency: 50 60 Hz or as per requirement Tap Types: Off Circuit Tap Switch On Load Tap Changer

    Get Price
  • High Quality 1000kva 1250kva 22kv 415v Step Down Oil ...

    High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer, Find Complete Details about High Quality 1000kva 1250kva 22kv 415v Step Down Oil Immersed Power Transformer,Oil Immersed Distribution Transformer,22kv 35kv 315kva S9 S11 S13 Pole Mounted Oil Immersed 1500 Kva 33kv Step Down Transformer,11kv 15kv 20kv 22kv Step Down 400v 415v 433v 440v Oil Immersed …

    Get Price
  • Dry Type Transformer Brochure - Power management

    2021-9-9u2002·u2002Voltage 6/10kV 20kV 35kV P.F.test 35kV 50kV 70kV B.I.L.test 75kV 125kV 170kV Protection Enclosure Grade: IP00, IP20, IP23 or as required Service Condition: Altitude, not exceeding 1000m. Ambient temperature, not exceeding 40℃ Standards: 《GB1094 Power Transformer 》

    Get Price
  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

    Get Price
  • Dry Type Transformers Full Line Catalog - Jefferson Electric

    2021-3-16u2002·u2002Power: 50 VA through 10,000 kVA Input and output voltages through 35 kV Multiple primaries and secondaries, and phase angles Frequencies (Hz): 60, 50, 400 or special Primary tap configurations Core and winding material options Specific ambient temperature and temperature rises Impedance Inrush

    Get Price
  • Medium voltage products Technical guide The MV/LV ...

    2016-4-19u2002·u2002Power transformers 48 7.1 Main characteristics 46 7.2 Choice of transformers based on energy losses and efficiency 46 7.3 Efficiency requirements and classes for transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation ...

    Get Price
  • Transformer - BAIFA POWER

    Rated power: 200-3150kVA, Voltage: 6kV(6.3kV, 6.6kV, 6.9kV)、10kV(10.5kV, 11kV)、20kV(20kV, 21kV, 22kV, 24kV). The transformer is a transformer whose interior is isolated from the air surrounding, so the transformer oil can not absorb the outer moisture and the oxygen since the change of transformer's volume could be fixed with the flexibility of corrugated tank structure. Then the aging spe

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  • LARGEST POWER TRANSFORMER MANUFACTURER IN

    Global Transformers is established under the Technical Collaboration of Italy's OCREV s.r.l a well known European company more than 95 years experience in the design and manufacture of large power transformers. DESIGN & TECHNOLOGY CEO's M/S Global Transformers & Ocrev Srl - Italy LARGEST POWER TRANSFORMER MANUFACTOR IN THE REGION

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  • Eaton Pad-mounted Transformer

    2021-9-14u2002·u2002Ambient Temperature 24 Hour Average 30 ºC 40 ºC Temperature Rise Hotspot 80 ºC 65 ºC Table 2. Three-Phase Ratings Three-Phase 50 or 60 Hz kVA Available1: 45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7500, 10000 1Transformers are available in the standard ratings and configurations shown or can be ...

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  • 1250kVA Automatic Servo Controlled Oil Cooled Voltage ...

    Ambient Temperature:-20° C to +50° Transformer Oil : New Insulating Transformer Oil ISI 335 Marked: Size (in mm) & Weight: L 4340 x D 1470 x H 1960 & 6459 Kg. Input Output Termination: On Copper Bus Bar : Winding & Wiring Material: Copper EC grade (99.9% Pure) Technology: Torridly wound Variable Auto Transformer for linear control and ...

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  • Power transformers

    Power transformers from Siemens Energy can be integrated into any kind of power management system. In addition, Siemens Energy offers a comprehensive Pretact® solution, designed to maximize grid availability by minimizing the consequences of both unplanned outages and planned outages.

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  • Liquid-filled power transformers - ABB

    2021-2-15u2002·u2002The Power Transformer Factory in Lodz has the technical capability to produce large power units – 500 MVA and voltage up to 550 kV. However, we focus on the production of transformers rated from 63 to 200 MVA and voltage up to 275 kV so called Medium Power Transformers (MPT). Over 80 percent of our production is exported to most of the ...

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  • Transformer Inrush Current

    2021-9-14u2002·u2002A transformer draws inrush current that can exceed saturation current at power up. The Inrush Current affects the magnetic property of the core. This happens even if the transformer has no load with its secondary open. The magnitude of the inrush current depends on the point on the AC wave the transformer is switched on.

    Get Price
  • 20kv 200kVA 300kVA Three Phase Distribution Power

    2020-3-17u2002·u2002three phase distribution 30 kva 20kv s11 power transformer. Product Description. Power transformer oil immsered overhead transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission,

    Get Price
  • 3-Phase Distribution Transformers 11 or 33 kV/415-240V ...

    4.1 The Distribution Transformers to be supplied against this Specification shall be suitable for satisfactory continuous operation under the following climatic conditions as per IS 2026 (Part - I). i) Location : At various locations in the country ii) Maximum ambient air temperature (0C) : 50

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  • Thermal coefficient measurements of the insulation in ...

    Measuring current, voltage and temperature of the power transformers to avoid over-values is often adopted at the state-of-the-art [34, 37, 39]. Such techniques have been also implemented in our ...

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