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korea dyn11 copper aluminum winding grounding diagram

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  • (PDF) Selection of Copper versus Aluminum Windings for ...

    Also, proper selection of winding material, either copper (Cu) or aluminum (Al), is highly desirable to make TD efficient and economical [18]. Decision tree method employed for winding …

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  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002•Tertiary voltage generated at buried TV winding has no importance for user; typically such TV winding is delta connected and provides the path for zero-sequence currents during short-circuit and suppresses third harmonic (and its multiples) currents. Transformer Consulting Services Inc. Transformer Design: Tertiary Voltage (TV)

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  • DISTRIBUTION TRANSFORMERS - alfanar

    2019-11-24u2002·u2002The Vector Group determines the phase displacement between the primary and the secondary winding, and each unit in the vector group refers to 30 degrees displacement. A vector group Dyn11 is delta on primary, star on secondary, with neutral brought out and 330-degree phase displacement. 1 - General Information • Tank Types • Magnetic Circuits

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  • Transformer Winding Resistance Testing Explained

    2018-3-18u2002·u2002Use Caution When Testing. Before conducting a transformer winding resistance test, it is important to observe all safety warnings and take proper precautions.Ensure that all equipment to be tested is properly grounded and treat all high-voltage power equipment as energized until proven otherwise by using the proper lockout/tagout procedures.

    Get Price
  • The Basics of Bonding and Grounding Transformers

    2010-12-20u2002·u2002The Basics of Bonding and Grounding Transformers Dec. 20, 2010 Clearing up confusion on bonding and grounding solidly grounded transformers. Duke W. Schamel, P.E., LEED AP, Electrical Service Solutions, Inc. Voice your opinion! This site requires you to register or login to post a …

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  • E&S Grounding Solutions

    2021-9-14u2002·u2002E&S Grounding Solutions. Our Mission: We ENGINEER, EDUCATE and EMPOWER the world's leading electrical technology professionals and companies to become safer, more successful, and more profitable, every single day. popular questions we receive regarding electrical engineering and how it pertains to grounding and earthing.

    Get Price
  • dyn11 dyn0 oil transformer for Better Illumination ...

    Oil Transformer Dyn11 Yyn0 S13-m 30kva 50kva 63kva 80kva 100kva Oil 3 Phase Transformer With Dyn11 Or Yyn0 Vector Group. $7.60 Piece. 500 Pieces (Min. Order) CN Yueqing Qiangli Electrical Appliance Co., Ltd. 1 YRS. Contact Supplier. Ad. Add to Favorites. 1 6.

    Get Price
  • Eaton Pad-mounted Transformer

    2021-9-14u2002·u2002laser-scribed anodized aluminum Removable cabinet walls Drip shield Type Three Phase, 50 or 60 Hz, 65 ºC Rise (55 ºC, 55/65 ºC), 65/75 °C, 75 °C Fluid Type Mineral oil or Envirotemp™ FR3™ fluid Coil Configuration 2-winding or 4-winding or 3-winding (Low-High-Low), 3-winding (Low-Low-High) Size 45 – 10,000 kVA Primary Voltage 2,400 ...

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  • Subject Code: 17415 Model Answer Page 1 of 30

    2016-3-4u2002·u20021) Winding losses (Copper losses): i) Armature winding losses ii) Shunt field losses iii) Series field losses 2) Core losses (iron losses): 3) Brush contact losses: 4) Windage and frictional (Mechanical losses): e) Draw labeled schematic circuit diagram of long shunt compound motor, showing clearly the direction of all the currents.

    Get Price
  • (PDF) Selection of Copper versus Aluminum Windings for ...

    Also, proper selection of winding material, either copper (Cu) or aluminum (Al), is highly desirable to make TD efficient and economical [18]. Decision tree method employed for winding material ...

    Get Price
  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002•Tertiary voltage generated at buried TV winding has no importance for user; typically such TV winding is delta connected and provides the path for zero-sequence currents during short-circuit and suppresses third harmonic (and its multiples) currents. Transformer Consulting Services Inc. Transformer Design: Tertiary Voltage (TV)

    Get Price
  • DISTRIBUTION TRANSFORMERS - alfanar

    2019-11-24u2002·u2002The Vector Group determines the phase displacement between the primary and the secondary winding, and each unit in the vector group refers to 30 degrees displacement. A vector group Dyn11 is delta on primary, star on secondary, with neutral brought out and 330-degree phase displacement. 1 - General Information • Tank Types • Magnetic Circuits

    Get Price
  • Transformer Winding Resistance Testing Explained

    2018-3-18u2002·u2002Use Caution When Testing. Before conducting a transformer winding resistance test, it is important to observe all safety warnings and take proper precautions.Ensure that all equipment to be tested is properly grounded and treat all high-voltage power equipment as energized until proven otherwise by using the proper lockout/tagout procedures.

    Get Price
  • The Basics of Bonding and Grounding Transformers

    2010-12-20u2002·u2002The Basics of Bonding and Grounding Transformers Dec. 20, 2010 Clearing up confusion on bonding and grounding solidly grounded transformers. Duke W. Schamel, P.E., LEED AP, Electrical Service Solutions, Inc. Voice your opinion! This site requires you to register or login to post a comment. Email ...

    Get Price
  • E&S Grounding Solutions

    2021-9-14u2002·u2002E&S Grounding Solutions. Our Mission: We ENGINEER, EDUCATE and EMPOWER the world's leading electrical technology professionals and companies to become safer, more successful, and more profitable, every single day. popular questions we receive regarding electrical engineering and how it pertains to grounding and earthing.

    Get Price
  • dyn11 dyn0 oil transformer for Better Illumination ...

    Oil Transformer Dyn11 Yyn0 S13-m 30kva 50kva 63kva 80kva 100kva Oil 3 Phase Transformer With Dyn11 Or Yyn0 Vector Group. $7.60 Piece. 500 Pieces (Min. Order) CN Yueqing Qiangli Electrical Appliance Co., Ltd. 1 YRS. Contact Supplier. Ad. Add to Favorites. 1 6.

    Get Price
  • Eaton Pad-mounted Transformer

    2021-9-14u2002·u2002laser-scribed anodized aluminum Removable cabinet walls Drip shield Type Three Phase, 50 or 60 Hz, 65 ºC Rise (55 ºC, 55/65 ºC), 65/75 °C, 75 °C Fluid Type Mineral oil or Envirotemp™ FR3™ fluid Coil Configuration 2-winding or 4-winding or 3-winding (Low-High-Low), 3-winding (Low-Low-High) Size 45 – 10,000 kVA Primary Voltage 2,400 ...

    Get Price
  • Winding Configurations

    2021-9-14u2002·u2002The relationship of winding turn ratios and voltage ratios seen with a single pair of mutual inductors still holds true here for multiple pairs of coils. It is entirely possible to assemble a transformer such as the one above (one primary winding, two secondary windings) in which one secondary winding is a step-down and the other is a step-up.

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  • Subject Code: 17415 Model Answer Page 1 of 30 Important ...

    2016-3-4u2002·u20021) Winding losses (Copper losses): i) Armature winding losses ii) Shunt field losses iii) Series field losses 2) Core losses (iron losses): 3) Brush contact losses: 4) Windage and frictional (Mechanical losses): e) Draw labeled schematic circuit diagram of long shunt compound motor, showing clearly the direction of all the currents.

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

    7.1.1 HV and LV windings shall be wound from Super Enamel covered /Double Paper covered Aluminum Electrolytic Copper conductor. 7.1.2 LV winding shall be such that neutral formation will be at top. 7.1.3 The winding construction of single HV coil wound over LV coil is preferable.

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  • Calculations for Short Circuit Withstand Capability of a ...

    2019-2-15u2002·u2002calculated considering a 1500KVA, 22KV/415V, Dyn11 Distribution Transformer .The short circuit withstand test of a Transformer cannot be performed in the Test Laboratory of any manufacturer. There is a need for a high test field power, especially for large units with ratings ... Mean Diameter of winding in cm T = Copper Thickness in cm E ...

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  • Technical Spec. of 500 kVA DTRS - aptransco.gov.in

    2014-1-22u2002·u2002metal core and CRGO. 10. WINDINGS : a) Material : Double paper insulated(DPC) electrolytic grade insulated Copper shall be used. b) Current density for HV and LV should not be more than 2.5A/mm 2 for copper (with a tolerance of +5% for LV winding). c) H.V.Cross Section shall be not less than 5.5 mm 2.

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  • Electrical Bill Of Quantity (BOQ) - Part Two ~ Electrical ...

    2021-9-11u2002·u2002Winding type AL or CU ' In distribution and small power transformers, aluminium–aluminium windings have been successful. For large power transformers, a copper–copper design is more common. Transformer rating KVA; Voltage Rating 11/0.4 KV. Tapping if found (±2 x 2.5%) Vector group Dyn11; IP00 (unenclosed) naturally air cooled (AN)

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  • Three-phase short-circuit current (Isc) calculation at any ...

    2021-3-1u2002·u2002- 22.5 mΩ.mm2/m for copper - 36 mΩ.mm2/m for aluminum L = length of the conductor in m S = c.s.a. of conductor in mm2 Table - 3: Values of ρ as a function of the temperature, cable insulation and cable core material, according to IEC60909-0 and Cenelec TR 50480. 20 °C EPR/XLPE 90 °C PVC 70 °C Copper 18.51 23.6928 22.212

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  • Electrical Wiring Color Codes - electronicshub.org

    2015-9-5u2002·u2002An electrical wire is a single solid or twisted Copper or Aluminum conductor with or without any insulation. Each wire used for electrical wiring is marked with information like wire gauge, ampacity, maximum voltage, and maximum temperature. But a general color code is used to identify different types of conductors which are used in electrical ...

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  • (PDF) VOL V-Electrical.pdf

    Academia.edu is a platform for academics to share research papers.

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  • Circulating currents in a delta winding

    2018-7-31u2002·u2002A 4th wire, neutral wire, mitigates this problem. But the whole purpose for using 3 phase is to save conductor cost/space. A 3 phase system requires only 75% the aluminum (or copper) of single phase, or any other number of phases.

    Get Price
  • Top Wire and Cable Manufacturers–USA and Globally

    2021-9-15u2002·u2002Based out of Jiangsu, China, the company also offers aluminum and alloy rods and extended products. Southwire, in Carrollton, GA, specializes in electrical cable and wire. Its offerings include residential, commercial, mining, industrial, transmission, distribution, substation, renewable energy, and OEM cable and wire products.

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  • HOW ENSURE PERFECT EARTHING OR GROUNDING

    2021-9-15u2002·u2002Functional Earth: an Earth or Earthing system which is provided for special functions such as reduction of radio frequency interference, noise filtering for computers etc. and which is separate from the main Earthing system of an Installation. Earth Leakage Circuit Breaker (ELCB): a circuit breaker which is designed to open the phase and ...

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  • Lightning, Surge Protection and Earthing of Electrical ...

    In the ground, bonding between the grounding network of any structure and buried metal service pipes is essential, unless the service can be effectively isolated. If this is not done, an electrical breakdown can occur through the soil between these systems and the resulting arc can cause structural damage or may even puncture a service pipe.

    Get Price
  • E&S Grounding Solutions

    2021-9-14u2002·u2002E&S Grounding Solutions. Our Mission: We ENGINEER, EDUCATE and EMPOWER the world's leading electrical technology professionals and companies to become safer, more successful, and more profitable, every single day. popular questions we receive regarding electrical engineering and how it pertains to grounding and earthing.

    Get Price
  • 250 KVA OUTDOOR

    a) H.V winding Copper b) L.V winding Copper a) H.V winding b) L.V winding a) H.V 30 NF -250 b) L.V DT630 20 Installation (Indoor or Outdoor) Oudoor 21 Noise Level at a Distance of 3 Meters dB 55 a) Kinematic Viscosity, at 40 oCmm2/s 11 b) Density kg/dm3 ≤ 0.895 c) Breaking …

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  • Universal Wiring Diagram - Guitarfetish

    2014-2-20u2002·u2002Tele® Wiring Diagram Les Paul® Wiring Diagram Strat® Wiring Diagram Wire Highest Ohm (K) To Bridge, Lowest to Neck. 5-Way Switch Vol 250K Tone 2 250K Tone 1 250K GND GND Connect to Bridge Ground To Ouput Jack + Black to Ground Black to Ground Black to Ground BRIDGE MIDDLE NECK.047uf Pro Tubes-Red= + White= Ground Suggested Pot and Cap Values ...

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  • Home - MGM Transformer Company

    MGM Transformer is the largest transformer company in the western United States, offering a complete line of transformers (both dry type and liquid filled).

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  • SIDT(Solid Insulation Distribution Transformer) (by ...

    We offer transformers in the power range: 10 - 5000 kVA Rated voltage - up to 36 kV Connection group - Dyn5, Dyn11, Yyn0, Ynz5 others on request Cooling - AN, AF Insulation class - F or H Building Core - cold-rolled transformer sheet with inorganic insulation Windings - aluminum or copper Sensors - PT100 or PTC probes with protection Housing ...

    Get Price
  • Three-Phase Pad-Mounted Transformers

    2011-8-15u2002·u2002• 55° and 55°/65°C average winding rise. • Copper and aluminum windings available. • Dual high-voltage ratings. • Internal expulsion fuses. • Current limiting fuses. • Internal oil-immersed partial range current-limiting fuses. • Bayonet fuse holders with and without flapper. • …

    Get Price
  • General ABB specification for HiDry Power Transformers

    2021-2-15u2002·u2002Average winding temperature rise limits at rated current (see Note 2) K 180 (H) 125 NOTE 1 Letters refer to the temperature classifications given in IEC 60085. NOTE 2 Temperature rise measured in accordance with Clause 23 of IEC 60076-11. The temperature rise of the winding is defined as the average temperature of the winding minus

    Get Price
  • Electrical Bill Of Quantity (BOQ) - Part Two ~ Electrical ...

    2021-9-11u2002·u2002Winding type AL or CU ' In distribution and small power transformers, aluminium–aluminium windings have been successful. For large power transformers, a copper–copper design is more common. Transformer rating KVA; Voltage Rating 11/0.4 KV. Tapping if found (±2 x 2.5%) Vector group Dyn11; IP00 (unenclosed) naturally air cooled (AN)

    Get Price
  • Transformer Impedance? - Electric power & transmission ...

    2019-3-1u2002·u2002b) Transformer manufacturer manages the price risk of the volatility of copper/aluminum and steel at the time of procurement. Any uncertainty will add contingency cost. c) Use high permeability-grade, domain-refined 'H' grade, cold-rolled grain-oriented silicon steel ('M' grade steel is used in some applications).

    Get Price
  • Lightning, Surge Protection and Earthing of Electrical ...

    In the ground, bonding between the grounding network of any structure and buried metal service pipes is essential, unless the service can be effectively isolated. If this is not done, an electrical breakdown can occur through the soil between these systems and the resulting arc can cause structural damage or may even puncture a service pipe.

    Get Price
  • Universal Wiring Diagram - Guitarfetish

    2014-2-20u2002·u2002Tele® Wiring Diagram Les Paul® Wiring Diagram Strat® Wiring Diagram Wire Highest Ohm (K) To Bridge, Lowest to Neck. 5-Way Switch Vol 250K Tone 2 250K Tone 1 250K GND GND Connect to Bridge Ground To Ouput Jack + Black to Ground Black to Ground Black to Ground BRIDGE MIDDLE NECK.047uf Pro Tubes-Red= + White= Ground Suggested Pot and Cap Values ...

    Get Price
  • Three-Phase Pad-Mounted Transformers

    2011-8-15u2002·u2002• 55° and 55°/65°C average winding rise. • Copper and aluminum windings available. • Dual high-voltage ratings. • Internal expulsion fuses. • Current limiting fuses. • Internal oil-immersed partial range current-limiting fuses. • Bayonet fuse holders with and without flapper. • Non-loadbreak and loadbreak dry-well fuseholders.

    Get Price
  • General ABB specification for HiDry Power Transformers

    2021-2-15u2002·u2002Average winding temperature rise limits at rated current (see Note 2) K 180 (H) 125 NOTE 1 Letters refer to the temperature classifications given in IEC 60085. NOTE 2 Temperature rise measured in accordance with Clause 23 of IEC 60076-11. The temperature rise of the winding is defined as the average temperature of the winding minus

    Get Price
  • Photovoltaic System Installation and Maintenance Safety ...

    2021-5-14u2002·u2002Targeting Safety in Photovoltaic System Installation and Maintenance. Late on a Sunday afternoon the Kern County Fire Department responded to a call at a store on Rosedale Highway in Bakersfield, California. Crews found that a row of solar panels on the roof had caught fire. Some of the panels were still live when the crew arrived, so the fire ...

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  • MV Induction Motors - GE Power Conversion

    2021-6-11u2002·u2002The rotor winding consists of a number of uninsulated metal bars in the outer surface of the magnetic core parallel to the shaft and short circuited by metal rings at both ends. Bearings GE uses self-aligning spherical seat sleeve bearings per DIN 31693/4. …

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  • TECHNICAL SPECIFICATION FOR EPOXY CAST COIL DRY

    2021-2-3u2002·u2002III.Ground busbar should be copper with 150 mm2 C.S.A and 300 mm length extending the full length of the enclosure. It shall have provisions to mount appropriate terminal connection for adjacent switchgear or external grounding. IV. A galvanized shielded copper ground should be applied to facilitate the grounding of each

    Get Price
  • SIDT(Solid Insulation Distribution Transformer) (by ...

    We offer transformers in the power range: 10 - 5000 kVA Rated voltage - up to 36 kV Connection group - Dyn5, Dyn11, Yyn0, Ynz5 others on request Cooling - AN, AF Insulation class - F or H Building Core - cold-rolled transformer sheet with inorganic insulation Windings - aluminum or copper Sensors - PT100 or PTC probes with protection Housing ...

    Get Price
  • Pickguard Shielding Foil - StewMac

    Stick this aluminum shielding material to the underside of your pickguard to reduce noise, hum and radio interference. The sheet is big enough to fully shield two Strat® pickguards, or cut it up to only cover the control cavity area (you'll be able to cover a LOT of cavities!). 20-3/4' x 13' x .003' (527.05mm x 330.2mm x .08mm)

    Get Price
  • Transformer Impedance? - Electric power & transmission ...

    2019-3-1u2002·u2002b) Transformer manufacturer manages the price risk of the volatility of copper/aluminum and steel at the time of procurement. Any uncertainty will add contingency cost. c) Use high permeability-grade, domain-refined 'H' grade, cold-rolled grain-oriented silicon steel …

    Get Price
  • SECTION 2: INSULATION MATERIALS AND PROPERTIES

    2016-7-22u2002·u2002SECTION 2 INSULATION MATERIALS AND PROPERTIES MP-4 l. Fire retardancy: Flame spread and smoke developed ratings are of vital importance; referred to as 'surface burning characteristics'. m. Resistance to ultraviolet light: Significant if application is outdoors and high intensity indoors. n. Resistance to fungal or bacterial growth: Is important in all insulation applications.

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  • Gasket - Flexitallic

    2019-5-15u2002·u2002reinvented winding wire 5-times thicker than traditional spiral wound wire. The new proprietary, heavy gauge metal wire is formed with a functional edge that simulates the serration profile of a grooved metal gasket (kammprofile) and held together via a …

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  • TECHNICAL SPECIFICATION FOR EPOXY CAST COIL DRY

    2021-2-3u2002·u2002III.Ground busbar should be copper with 150 mm2 C.S.A and 300 mm length extending the full length of the enclosure. It shall have provisions to mount appropriate terminal connection for adjacent switchgear or external grounding. IV. A galvanized shielded copper ground should be applied to facilitate the grounding of each

    Get Price
  • Circulating currents in a delta winding

    2018-7-31u2002·u2002A 4th wire, neutral wire, mitigates this problem. But the whole purpose for using 3 phase is to save conductor cost/space. A 3 phase system requires only 75% the aluminum (or copper) of single phase, or any other number of phases.

    Get Price
  • SIDT(Solid Insulation Distribution Transformer) (by ...

    We offer transformers in the power range: 10 - 5000 kVA Rated voltage - up to 36 kV Connection group - Dyn5, Dyn11, Yyn0, Ynz5 others on request Cooling - AN, AF Insulation class - F or H Building Core - cold-rolled transformer sheet with inorganic insulation Windings - aluminum or copper Sensors - PT100 or PTC probes with protection Housing ...

    Get Price
  • EPRI Home

    2021-9-15u2002·u2002The Electric Power Research Institute (EPRI) conducts research, development, and demonstration projects for the benefit of the public in the United States and internationally. As an independent, nonprofit organization for public interest energy and environmental research, we focus on electricity generation, delivery, and use in collaboration with the electricity sector, its stakeholders and ...

    Get Price
  • Electrical Wiring Color Codes - electronicshub.org

    2015-9-5u2002·u2002An electrical wire is a single solid or twisted Copper or Aluminum conductor with or without any insulation. Each wire used for electrical wiring is marked with information like wire gauge, ampacity, maximum voltage, and maximum temperature. But a general color code is used to identify different types of conductors which are used in electrical ...

    Get Price
  • Coil winding machine, stator coil winding machine ...

    2019-3-26u2002·u2002SHINING SUN is a leading Flat wire winding machine and Coil winding machine firm specialized in Toroidal coil winder, Stator winding machine, Flat wire winding machine, Spring coils winding machine, Coil winding machine, Soldering machine, Air coils winding machine, Pin adjuster, Wire tensioner, Lamination stacking machine, Soldering machine manufacturer,solder machine,stacking …

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  • Configurator – Catalog Number Builder - MGM

    Configurator – Catalog Number Builder. Certification. CSA UL Listed. Special Features. Electrostatic Shield. Phase. Single Phase, Rated Max 500 kVA Three Phase, Rated Max 1500 kVA. Phase Shift. Primary Delta – Secondary ZigZag – (0⁰) Primary Wye – Secondary ZigZag – (-30⁰)

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  • Details about Power Transformer Partial Discharge and ...

    2016-9-30u2002·u20020. 1. Introduction. Power transformer PD measurement is the most important item among transformer tests. The quantity of partial discharge is considered a vital index of transformer's insulation ...

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