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  • Transformer Design & Design ParametersExplore further

    2014-12-8u2002·u2002Transformer Consulting Services Inc. • (ANSI) IEEE Std C57.12.00-2010, standard general requirements for liquid-immersed distribution, power and regulation transformers • ANSI C57.12.10-2010, safety requirements 230 kV and below 833/958 through …

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  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-22u2002·u2002Dry-type transformers. Medium voltage dry-type transformers. Earthing transformers. Earthing transformers An earthing transformer is usually associated with three-phase supply systems. On a three-phase system, the neutral would be earthed either directly or through some limiting impedance resistance. When the neutral point is not available or ...

    Get Price
  • Outdoor Power Distribution Transformer 2500KVA

    Outdoor Power Distribution Transformer 2500KVA 3000Kva 3500Kva 4000Kva 33KV 11KV, US $ 1000 - 100000 Piece, Zhejiang, China, Boerstn, S11.Source from Boerstn Electric Co., Ltd. on Alibaba.com.

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  • Installation and instruction manual Dry-type transformers

    2021-2-16u2002·u20022 Installation and instructions Dry-type transformers World leadership ABB is a world leader in transformer manufacturing, and our transformers can be found in countries all over the world. To minimize environmental contamination and fire hazard, users are specifying dry-type transformers more and more frequently.

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

    2016-4-19u2002·u200237 6.1 Diagram of the user installation 40 6.2MV switchgear solutions 42 7. Power 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

    Get Price
  • Transformers - Emerson Electric

    2019-2-25u2002·u2002Diagram A 2. If the branch circuit feeding the transformer has ..., NEC 430.72 and commercially available type fuses. Primary Voltage V in 120 200 208 220 230 240 277 440 460 480 550 575 600 VA ... • Grounding transformers • Machine-tool (control) transformers

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  • The complete guide to transformers and packaged

    2021-8-15u2002·u2002A rapid transformer and substation delivery service. Fast Trans meets the demand for transformers and substations to be on site in the shortest possible time. pages 18 - 19 Merlin Gerin transformers quick reference guide Summary of the product range, type and options available

    Get Price
  • Three Phase Padmounted and Unit Substation

    2013-12-30u2002·u2002Unit Substation transformers are generally close coupled to switchgear, motor control, bus duct, or another type of incoming and outgoing equipment. ABB's proven design offers excellent mechanical strength that has been proven through years of service and special testing. ABB offers submersible transformers for diverse

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  • Transformers - GE Grid Solutions

    2014-1-31u2002·u2002Delivering these advanced and ruggedized transformers is a unique niche for XD GE. Rectifier transformers can be supplied with ratings ranging from 35kV . to 220kV, and up to 140MVA, some of the largest in the world. Various transformer configurations are available, including: • On-load or off-load tap changers • Three phase bridge-type ...

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  • Installation and instruction manual Dry-type transformers

    2021-2-16u2002·u20022 Installation and instructions Dry-type transformers World leadership ABB is a world leader in transformer manufacturing, and our transformers can be found in countries all over the world. To minimize environmental contamination and fire hazard, users are specifying dry-type transformers more and more frequently.

    Get Price
  • ABB Dry-type Transformers

    2017-7-14u2002·u2002ABB dry-type transformers Solution Creates an artificial neutral by using a zigzag or delta-star grounding transformer with a low voltage secondary winding It can be connected to a suitably rated resistor of which the other terminal is earthed Reduces the insulation level and Ohmic value of the NGR Allows monitoring of the currents

    Get Price
  • Federal Pacific Medium Voltage Transformer Catalog

    2020-6-9u2002·u2002Medium Voltage Dry-Type Transformers 10 CFR 431 (DOE 2016) Energy Efficiency Requirements Table 1 Nominal Efficiency Levels for Single-Phase Dry-Type Transformer KVA Low Voltage 35% Load Medium Voltage — 50% Load 20-45 kV BIL 46-95 kV BIL >= 96 kV BIL 15 97.70 98.10 97.86 — 25 98.00 98.33 98.12 — 37.5 98.20 98.49 98.30 — 50 98.30 98.60 ...

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

    2016-4-19u2002·u200237 6.1 Diagram of the user installation 40 6.2MV switchgear solutions 42 7. Power 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

    Get Price
  • Transformers - Emerson Electric

    2019-2-25u2002·u2002Diagram A 2. If the branch circuit feeding the transformer has ..., NEC 430.72 and commercially available type fuses. Primary Voltage V in 120 200 208 220 230 240 277 440 460 480 550 575 600 VA ... • Grounding transformers • Machine-tool (control) transformers

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-22u2002·u2002Dry-type transformers. Medium voltage dry-type transformers. Earthing transformers. Earthing transformers An earthing transformer is usually associated with three-phase supply systems. On a three-phase system, the neutral would be earthed either directly or through some limiting impedance resistance. When the neutral point is not available or ...

    Get Price
  • The complete guide to transformers and packaged substations

    2021-8-15u2002·u2002A rapid transformer and substation delivery service. Fast Trans meets the demand for transformers and substations to be on site in the shortest possible time. pages 18 - 19 Merlin Gerin transformers quick reference guide Summary of the product range, type and options available

    Get Price
  • Distribution Transformers Tier 2 & Tier 1

    2021-9-13u2002·u2002Distribution Transformers Tier 1 & 2. Bowers Standard Distribution transformers are available from 50kVA to 3150kVA, with a typical 11000V input to 415V no-load output. Although, any size and voltage range can be catered for, up to 20MVA at 33kV. To keep lead times to a minimum, we produce standard distribution transformers for stock as well as ...

    Get Price
  • PREPARATION OF TRANSFORMER SPECIFICATIONS

    2016-3-22u2002·u2002a transformer consists of a volt-ampere output together with any other characteristics, such as voltage, current, frequency, power factor, and temperature rise, assigned to it by the manufacturer. It is regarded as a rating associated with an output that can be taken from the transformer conditions and limitations of established standards'.

    Get Price
  • China 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V Mva ...

    Transformer, Oil-Immersed Transformer, Power Transformer manufacturer supplier in China, offering 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V Mva 3phase 50kVA Transformer, Hot 10kv High Efficiency Copper Coil Oil Immersed Transformer, Professional Chinese Manufacturers to Create High Standard Three-Phase Transformer, Power 100kVA 30kv Three-Phase Protection …

    Get Price
  • Installation and instruction manual Dry-type transformers

    2021-2-16u2002·u20022 Installation and instructions Dry-type transformers World leadership ABB is a world leader in transformer manufacturing, and our transformers can be found in countries all over the world. To minimize environmental contamination and fire hazard, users are specifying dry-type transformers more and more frequently.

    Get Price
  • ABB Dry-type Transformers

    2017-7-14u2002·u2002ABB dry-type transformers Solution Creates an artificial neutral by using a zigzag or delta-star grounding transformer with a low voltage secondary winding It can be connected to a suitably rated resistor of which the other terminal is earthed Reduces the insulation level and Ohmic value of the NGR Allows monitoring of the currents

    Get Price
  • Federal Pacific Medium Voltage Transformer Catalog

    2020-6-9u2002·u2002Medium Voltage Dry-Type Transformers 10 CFR 431 (DOE 2016) Energy Efficiency Requirements Table 1 Nominal Efficiency Levels for Single-Phase Dry-Type Transformer KVA Low Voltage 35% Load Medium Voltage — 50% Load 20-45 kV BIL 46-95 kV BIL >= 96 kV BIL 15 97.70 98.10 97.86 — 25 98.00 98.33 98.12 — 37.5 98.20 98.49 98.30 — 50 98.30 98.60 ...

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

    2016-4-19u2002·u200237 6.1 Diagram of the user installation 40 6.2MV switchgear solutions 42 7. Power 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

    Get Price
  • Transformers - Emerson Electric

    2019-2-25u2002·u2002Diagram A 2. If the branch circuit feeding the transformer has ..., NEC 430.72 and commercially available type fuses. Primary Voltage V in 120 200 208 220 230 240 277 440 460 480 550 575 600 VA ... • Grounding transformers • Machine-tool (control) transformers

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-22u2002·u2002Dry-type transformers. Medium voltage dry-type transformers. Earthing transformers. Earthing transformers An earthing transformer is usually associated with three-phase supply systems. On a three-phase system, the neutral would be earthed either directly or through some limiting impedance resistance. When the neutral point is not available or ...

    Get Price
  • The complete guide to transformers and packaged substations

    2021-8-15u2002·u2002A rapid transformer and substation delivery service. Fast Trans meets the demand for transformers and substations to be on site in the shortest possible time. pages 18 - 19 Merlin Gerin transformers quick reference guide Summary of the product range, type and options available

    Get Price
  • Distribution Transformers Tier 2 & Tier 1

    2021-9-13u2002·u2002Distribution Transformers Tier 1 & 2. Bowers Standard Distribution transformers are available from 50kVA to 3150kVA, with a typical 11000V input to 415V no-load output. Although, any size and voltage range can be catered for, up to 20MVA at 33kV. To keep lead times to a minimum, we produce standard distribution transformers for stock as well as ...

    Get Price
  • PREPARATION OF TRANSFORMER SPECIFICATIONS

    2016-3-22u2002·u2002a transformer consists of a volt-ampere output together with any other characteristics, such as voltage, current, frequency, power factor, and temperature rise, assigned to it by the manufacturer. It is regarded as a rating associated with an output that can be taken from the transformer conditions and limitations of established standards'.

    Get Price
  • China 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V Mva ...

    Transformer, Oil-Immersed Transformer, Power Transformer manufacturer supplier in China, offering 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V Mva 3phase 50kVA Transformer, Hot 10kv High Efficiency Copper Coil Oil Immersed Transformer, Professional Chinese Manufacturers to Create High Standard Three-Phase Transformer, Power 100kVA 30kv Three-Phase Protection Distribution Transformer…

    Get Price
  • Installation and instruction manual Dry-type transformers

    2021-2-16u2002·u20022 Installation and instructions Dry-type transformers World leadership ABB is a world leader in transformer manufacturing, and our transformers can be found in countries all over the world. To minimize environmental contamination and fire hazard, users are specifying dry-type transformers more and more frequently.

    Get Price
  • ABB Dry-type Transformers

    2017-7-14u2002·u2002ABB dry-type transformers Solution Creates an artificial neutral by using a zigzag or delta-star grounding transformer with a low voltage secondary winding It can be connected to a suitably rated resistor of which the other terminal is earthed Reduces the insulation level and Ohmic value of the NGR Allows monitoring of the currents

    Get Price
  • Federal Pacific Medium Voltage Transformer Catalog

    2020-6-9u2002·u2002Medium Voltage Dry-Type Transformers 10 CFR 431 (DOE 2016) Energy Efficiency Requirements Table 1 Nominal Efficiency Levels for Single-Phase Dry-Type Transformer KVA Low Voltage 35% Load Medium Voltage — 50% Load 20-45 kV BIL 46-95 kV BIL >= 96 kV BIL 15 97.70 98.10 97.86 — 25 98.00 98.33 98.12 — 37.5 98.20 98.49 98.30 — 50 98.30 98.60 ...

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

    2016-4-19u2002·u200237 6.1 Diagram of the user installation 40 6.2MV switchgear solutions 42 7. Power 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

    Get Price
  • Transformers - Emerson Electric

    2019-2-25u2002·u2002Diagram A 2. If the branch circuit feeding the transformer has ..., NEC 430.72 and commercially available type fuses. Primary Voltage V in 120 200 208 220 230 240 277 440 460 480 550 575 600 VA ... • Grounding transformers • Machine-tool (control) transformers

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-22u2002·u2002Dry-type transformers. Medium voltage dry-type transformers. Earthing transformers. Earthing transformers An earthing transformer is usually associated with three-phase supply systems. On a three-phase system, the neutral would be earthed either directly or through some limiting impedance resistance. When the neutral point is not available or ...

    Get Price
  • The complete guide to transformers and packaged

    2021-8-15u2002·u2002A rapid transformer and substation delivery service. Fast Trans meets the demand for transformers and substations to be on site in the shortest possible time. pages 18 - 19 Merlin Gerin transformers quick reference guide Summary of the product range, type and options available

    Get Price
  • Distribution Transformers Tier 2 & Tier 1

    2021-9-13u2002·u2002Distribution Transformers Tier 1 & 2. Bowers Standard Distribution transformers are available from 50kVA to 3150kVA, with a typical 11000V input to 415V no-load output. Although, any size and voltage range can be catered for, up to 20MVA at 33kV. To keep lead times to a minimum, we produce standard distribution transformers for stock as well as ...

    Get Price
  • PREPARATION OF TRANSFORMER SPECIFICATIONS

    2016-3-22u2002·u2002a transformer consists of a volt-ampere output together with any other characteristics, such as voltage, current, frequency, power factor, and temperature rise, assigned to it by the manufacturer. It is regarded as a rating associated with an output that can be taken from the transformer conditions and limitations of established standards'.

    Get Price
  • China 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V

    Transformer, Oil-Immersed Transformer, Power Transformer manufacturer supplier in China, offering 13.8kv 11 to 0.4kv 2500kVA 640 kVA 33kv to 433V Mva 3phase 50kVA Transformer, Hot 10kv High Efficiency Copper Coil Oil Immersed Transformer, Professional Chinese Manufacturers to Create High Standard Three-Phase Transformer, Power 100kVA 30kv Three-Phase Protection Distribution Transformer…

    Get Price
  • DISTRIBUTION TRANSFORMERS - alfanar

    2019-11-24u2002·u2002The transformers are suitable for operation at altitudes of up to 1000m above sea level. Site altitudes above 1000m require the use of special designs and should be mentioned in the order. The short circuit impedance is the transformer's impedance, usually between 4% and 6% for distribution transformers and higher than 7% for power transformers.

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  • PREPARATION OF TRANSFORMER SPECIFICATIONS

    2016-3-22u2002·u2002a transformer consists of a volt-ampere output together with any other characteristics, such as voltage, current, frequency, power factor, and temperature rise, assigned to it by the manufacturer. It is regarded as a rating associated with an output that can be taken from the transformer conditions and limitations of established standards'.

    Get Price
  • SELECTION GUIDE FOR TRANSFORMER-PRIMARY FUSES

    Selection Guide for Transformer-Primary Fuses in Medium-Voltage Industrial, Commercial, and Institutional Power Systems 4. Transformer inrush current, including the combined effects of transformer magnetizing-inrush current and the energizing-inrush currents associated with connected loads-particularly following a momen-

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  • SHORT CIRCUIT FAULT CALCULATIONS

    2003-8-19u2002·u20021. Available Power Company Short circuit KVA at transformer primary : Contact Power Company, may also be given in terms of R + jX. 2. Length of service drop from transformer to building, Type and size of conductor, ie., 250 MCM, aluminum. 3. Impedance of transformer, KVA size. A. %R = Percent Resistance B. %X = Percent Reactance

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  • POWER TRANSFORMER & DISTRIBUTION

    2015-6-15u2002·u2002Conservator ratings for 11kV & 2500kVA (as per specified by the customer). Marshalling Box for all wiring. Usual operating conditions for a Transformer:- [ANSI IEEE C57.12.01.1989 r 1998]

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  • 33kV 2500kVA pad mounted transformer - Rockwill

    33kV 2500kVA pad mounted transformer General Oil immersed pad-mounted transformer is suitable for 3.6kV up to 40.5kV power class.These series of pad-mounted transformer is oil-immersed with power rating from 25 to 2500kVA at 50/60 Hz power transmission and distribution system.

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  • Medium voltage switchgear

    2021-8-14u2002·u2002Switchgear Types - Examples SWITCH-FUSE LUCY SWITCHGEAR FRMU FUSESWITCH Used where load switching and isolation is a requirement, and also protection of circuits Earth Contact Fuse and Fuse contacts Moving Contacts Transformer or Cable Connections Fuse Trip Latch Oil

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  • 11kv 16KVA ONAN single phrase distribution Pole

    2021-6-28u2002·u200210kv SG10 series H-grade insulation dry-type power transformer SCB10 100KVA 11KV with temperature control system Dry type transformer 10-2500KVA 11KV Power usage oil cooled two coil seal transformer 1600KVA Power usage oil cooled two winding coil distribution transformer 10kV LFS-10Q, LFSQ-10Q type single phase current transformer

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  • Industrial Transformer - 100 KVA Transformer

    Industrial Transformer. Leveraging over the skills of our qualified team of professionals, we are instrumental in manufacturing a wide range of Industrial Transformer. This Industrial Transformer has optimum performance. 100 KVA Transformer. Rs 90,000 Piece (s) 63 kVA Distribution Transformers. Rs 85,000 Piece. 16 KVA Transformer.

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  • IET Forums - 11KV TRIP.

    2007-11-16u2002·u2002They are leaning towards the fact that our 11KV protection relays ; for overcurrent and earth fault, are set too low. To answer a few of the questions the transformer is 2500kVA. The 11KV breaker went out first but was reset without note of why it had tripped.The relay is a …

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  • Transformer Installation, Operation, and Maintenance

    2021-3-16u2002·u2002Transformer Installation, Operation, and Maintenance Manual ... type transformers. Inspection upon Receiving Transformers should be carefully inspected upon receipt ... Grounding Ventilated core and coil assemblies are solidly grounded to the enclosure. On units equipped with

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  • Transformers: Basics, Maintenance, and Diagnostics

    2015-12-14u2002·u2002Transformers: Basics, Maintenance, and Diagnostics vii Contents (continued) Page 4. Oil-Filled Transformer Inspections (continued) 4.3 Winding Temperature Thermometers.....

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  • DESIGN OF TRANSFORMER

    2019-9-16u2002·u2002In core type transformer the ratio of depth to width of core varies between 1.4 to 2. In shell type transformer width of central limb is 2 to 3 times the depth of core. Square and stepped cores: For high voltage transformers, where circular coils are required, square and stepped cores are used. 11.

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  • High Voltage Design and Installations Master Class - EIT ...

    Dry type auxiliary transformer connected from the incoming supply to switchboard with fuse protected isolator for control: ... A grounding system relying on soil mass for fault current flow Figure 5.3 ... A power transformer 132/11kV, 10MVA, Z = 5% is connected to load at the 11kV side. Design the 11kV cable.

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  • SGB-SMIT Group - Transformatorenhersteller aus Europa

    Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication. Wherever electricity is required, generated and distributed: the SGB-SMIT Group supplies products in line with demand, adapted to the customers and their requirements.

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  • CODE OF PRACTICE 101 FOR DISTRIBUTION

    2015-6-12u2002·u2002flammable transformers include SF6 gas insulated, dry type and silicone oil filled types. CLP Power will determine the suitable type of non-flammable transformer to be used by considering the conditions of the substation site. 4.2 Types of Electrical Equipment 4.2.1 A substation shall normally accommodate the following equipment. 11kV switchgear

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  • Oil Transformer 10~10000KVA - SATECH POWER

    Energy, Space, Cost Savings! Capacity: 10KVA to 10,000KVA • 1 Phase: 100V, 120V, 200V, 220V, 230V, 240V, 3.3KV, 11KV, 22KV, other voltages are available on order • 3 Phase: 220V, 380V, 440V, 460V, 575V, 3.3KV, 11KV, 22KV, other voltages are available on order Based on CNS 598, CNS 599 or the National Standards of each country Manufactured of brand new silicon steel sheet of Shin Nippon ...

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  • Three Phase Transformer Connections and Basics

    2021-4-13u2002·u2002In a delta connected ( Dd ) group of transformers, the line voltage, V L is equal to the supply voltage, V L = V S.But the current in each phase winding is given as: 1/√ 3 × I L of the line current, where I L is the line current. One disadvantage of delta connected three phase transformers is that each transformer must be wound for the full-line voltage, (in our example above 100V) and for ...

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  • Industrial Transformer - 100 KVA Transformer

    Industrial Transformer. Leveraging over the skills of our qualified team of professionals, we are instrumental in manufacturing a wide range of Industrial Transformer. This Industrial Transformer has optimum performance. 100 KVA Transformer. Rs 90,000 Piece (s) 63 kVA Distribution Transformers. Rs 85,000 Piece. 16 KVA Transformer.

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  • Distribution Transformer - 150kVA 3-Phase Oil Cooled ...

    Manufacturer of Distribution Transformer - 150kVA 3-Phase Oil Cooled Distribution Transformer, 3-Phase 100kVA VPI Dry Type Distribution Transformer, 3-Phase 100kVA Oil Cooled Corrugated Radiator Distribution Transformer and 2000kVA 3-Phase Oil Cooled Distribution Transformer With OLTC offered by Power Star, Baddi Industrial Area, Himachal Pradesh.

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