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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 material ...

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  • Medium Voltage Distribution Transformers 6.6, 11, 22, 33 ...

    2018-10-8u2002·u2002Frequency 50 Hz Primary voltage 6.6, 11, 22 & 33 kV. Other voltage: on request. Secondary voltage 400 V, 415 V, 433 V Vector Group Dyn11 Tap Changers OCTC or OLTC Termination HV LV : Bushing Cable box Busduct flange Conductor Copper or Aluminium Transformers range from 50 kVA to 3000 kVA, with

    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

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  • supply installation testing and commissioning Tran Tender ...

    2021-7-22u2002·u2002Supply & Delivery of Cast Resin Dry Type 11KV/415V 750 KVA, 3 Phase,50Hz, Dyn11,copper wound, Class F insulation associated with winding temperature indicator/controller,having cable end box in the HV & LV sides and all accessories and conforming to IS 11171-1985 & IS - 2026 with latest modification (if any) & CBIP Specification and as per ...

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  • 33KV S15-U series oil-immersed transformer – Orion

    Both standards of transformers can be produced with either copper or aluminum winding as according to customer requirements. The U9 is a more advanced transformer with advanced specifications while the U8 is a less expensive model but with slightly different specifications as …

    Get Price
  • China 150 KVA 11KV 3 Phase Step Down and Step Up ...

    The Copper or Aluminum strips/wires used in winding are meticulously selected for its quality to give the best output. The Copper or Aluminum strips/wires are paper covered and acts as insulators. Oil Tank: 1. The oil tank is a transformer housing containing the iron core, winding and transformer oil. 2.

    Get Price
  • EEP - Electrical Engineering Portal

    2021-9-13u2002·u2002You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage ...

    Get Price
  • NamPower - Powering the Nation and beyond

    2017-1-25u2002·u2002Gradient winding - oil °C Total copper mass 26.5.4.1 26.5.4.2 Transport dimensions: Type and design: Special Requirements: A Total core mass: Winding design: SW Winding Wound limb The CTC as well as the twin and triple conductors are low chip epoxy bounded. As per agreed schedule Regulating Winding

    Get Price
  • Flash in Dry Type Transformer - CR4 Discussion Thread

    2011-11-6u2002·u200201- connection type- Dyn11. 02- 1600kVA, 6.6/0.42kV, 140/2199A. 03- Zsc = 6.28%. Phase and earth fault time Overcurrent protection of HV side operated.LV winding of C phase observed melted.HV winding of same phase seems open.Megger (performed at 1kV) results are as follows: 1. HV (6.6kV) Phase to Ground around 8000MΩ. 2.

    Get Price
  • TRANSFORMER - s; E

    2021-8-15u2002·u2002• 1st letters group: CAPITAL letters ⇒the higher voltage if the neutral is brought out : YN or ZN • 2nd . letters group: small. letters ⇒the lower voltage . if the neutral is brought out :

    Get Price
  • Medium Voltage Distribution Transformers 6.6, 11, 22, 33 ...

    2018-10-8u2002·u2002Frequency 50 Hz Primary voltage 6.6, 11, 22 & 33 kV. Other voltage: on request. Secondary voltage 400 V, 415 V, 433 V Vector Group Dyn11 Tap Changers OCTC or OLTC Termination HV LV : Bushing Cable box Busduct flange Conductor Copper or Aluminium Transformers range from 50 kVA to 3000 kVA, with

    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
  • SUPPLY, INSTALLATION, TESTING AND

    2016-9-7u2002·u2002Supply, installation, testing and commissioning of 1600 KVA, 11kV 433V, 3Phase, 50Hz, outdoor type copper wound, plinth/floor mounted, Delta Star connected (Dyn11), ONAN type of cooling, core type distribution transformer with OFF CIRCUIT tap changing

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  • Dry-type transformers - Hitachi ABB Power Grids

    2021-9-22u2002·u2002Dry-type Transformers. Hitachi ABB Power Grids offers a full range of dry-type transformers with primary voltages through 72.5 kV built according to all major standards including IEC and ANSI. To minimize environmental contamination and fire hazard, customers are …

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  • Cast Resin Transformers – Slaters Electricals

    Cast resin transformers can be supplied standalone or complete with IP rated enclosures & HV/LV switchgear for a package substation solution. We sell and hire cast resin transformers on a 'supply only' basis, or with optional on-site installation and commissioning by our own Contracting division.

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  • Transformateur De Distribution De Puissance

    1. Our transformer core adopt high-quality cold-rolled silicon steel sheet, greatly reducing the no-load loss and no-load current, and the core is tightly fixed to ensure that the core of the compact, reducing noise. 2. We adopt Oxygen-free copper Foil type winding, the surface is more neat than Wire type Winding, and it has more strong resistance to short circuit than Wire type Winding

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  • SCB10 33KV 35KV copper winding three phase dry type ...

    2021-6-28u2002·u2002SCB10 33KV 35KV copper winding three phase dry type transformer, find complete details about SCB10 33KV 35KV copper winding three phase dry type transformer from Guangzhou Guanggao High Voltage Electric Apparatus Co., Ltd. supplier or manufacturer on Equipmentimes.com.

    Get Price
  • China 315 KVA 3.3KV To 400V VPI Open Winding Dry Type ...

    Product Introduction. SCOTECH delivered two units of 315 KVA vacuum pressure impregnated (VPI) dry type transformer to South Africa in 2018. The rated power of the transformer is 315 KVA. the primary voltage of the transformer is 3.3 KV and secondary voltage is 0.4 KV, the transformer coils are vacuum pressure impregnated in high temperature polyester vanish under vacuum and pressure, the ...

    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
  • LV Transformers – Slaters Electricals

    We supply many types of LV transformer to meet any primary & secondary (or multi-tapped) voltages and other characteristics that you require. From orders of a single unit to 100+ units, each transformer is designed and manufactured to customer specification. Common primary and secondary voltages include 110V, 220V, 230V, 240V, 380V, 400V, 415V ...

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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 material ...

    Get Price
  • Medium Voltage Distribution Transformers 6.6, 11, 22, 33 ...

    2018-10-8u2002·u2002Frequency 50 Hz Primary voltage 6.6, 11, 22 & 33 kV. Other voltage: on request. Secondary voltage 400 V, 415 V, 433 V Vector Group Dyn11 Tap Changers OCTC or OLTC Termination HV LV : Bushing Cable box Busduct flange Conductor Copper or Aluminium Transformers range from 50 kVA to 3000 kVA, with

    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
  • supply installation testing and commissioning Tran Tender ...

    2021-7-22u2002·u2002Supply & Delivery of Cast Resin Dry Type 11KV/415V 750 KVA, 3 Phase,50Hz, Dyn11,copper wound, Class F insulation associated with winding temperature indicator/controller,having cable end box in the HV & LV sides and all accessories and conforming to IS 11171-1985 & IS - 2026 with latest modification (if any) & CBIP Specification and as per ...

    Get Price
  • 33KV S15-U series oil-immersed transformer – Orion

    Both standards of transformers can be produced with either copper or aluminum winding as according to customer requirements. The U9 is a more advanced transformer with advanced specifications while the U8 is a less expensive model but with slightly different specifications as detailed below.

    Get Price
  • China 150 KVA 11KV 3 Phase Step Down and Step Up ...

    The Copper or Aluminum strips/wires used in winding are meticulously selected for its quality to give the best output. The Copper or Aluminum strips/wires are paper covered and acts as insulators. Oil Tank: 1. The oil tank is a transformer housing containing the iron core, winding and transformer oil. 2.

    Get Price
  • EEP - Electrical Engineering Portal

    2021-9-13u2002·u2002You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage ...

    Get Price
  • NamPower - Powering the Nation and beyond

    2017-1-25u2002·u2002Gradient winding - oil °C Total copper mass 26.5.4.1 26.5.4.2 Transport dimensions: Type and design: Special Requirements: A Total core mass: Winding design: SW Winding Wound limb The CTC as well as the twin and triple conductors are low chip epoxy bounded. As per agreed schedule Regulating Winding

    Get Price
  • Flash in Dry Type Transformer - CR4 Discussion Thread

    2011-11-6u2002·u200201- connection type- Dyn11. 02- 1600kVA, 6.6/0.42kV, 140/2199A. 03- Zsc = 6.28%. Phase and earth fault time Overcurrent protection of HV side operated.LV winding of C phase observed melted.HV winding of same phase seems open.Megger (performed at 1kV) results are as follows: 1. HV (6.6kV) Phase to Ground around 8000MΩ. 2.

    Get Price
  • TRANSFORMER - s; E

    2021-8-15u2002·u2002• 1st letters group: CAPITAL letters ⇒the higher voltage if the neutral is brought out : YN or ZN • 2nd . letters group: small. letters ⇒the lower voltage . if the neutral is brought out :

    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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  • Datsan Transformer - 11 kV Series Distribution Transformers

    2021-9-17u2002·u2002Datsan Transformer has been established in 1992 especially to work in electricity industy. It has finished dozens of project successfully till 2006 and started to manufacture distribution transformers in 2006. Datsan has manufactured over 10 thousand of distribution transformers till today and exported to more than 15 countries.

    Get Price
  • Datsan Transformer - 250 kVA 33/0.4 kV Aluminium

    2021-9-16u2002·u2002250 kVA 33/0.4 kV Aluminium Winding Standard Losses Transformer. We generally manufacture distribution transformers in this power range, mainly in two different types: Below table will help to engineers to select the best option according to environmental conditions which transformer works in:

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  • Copper winding dry type 225kva distribution transformer 6 ...

    High quality Copper winding dry type 225kva distribution transformer 6 /0.4kv from China, China's leading cast resin dry type transformer product, with strict quality control dry cast resin transformers factories, producing high quality dry cast resin transformers products.

    Get Price
  • EEP - Electrical Engineering Portal

    2021-9-13u2002·u2002You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage ...

    Get Price
  • Wire Cable Company

    Polycab is a leading company in the electrical industry with a glorious track record of over 4 decades. It has the reputation of being the fastest growing company in the Indian Cables sector.Polycab is engaged in the business of manufacturing and selling wires and cables and fast moving electrical goods 'FMEG' under the 'POLYCAB' brand.

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  • List Of Mandatory Tests For Transformers-Best Editable ...

    List Of Mandatory Tests For Transformers. The following routine tests specified in IEC726 shall be carried out at the manufacturer's works on each and every transformer: a) Measurement of winding resistance. b) Measurement of voltage ratio and check of vector relationship. c) Measurement of impedance voltage (principal tapping), short circuit ...

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  • China 4000kVA Oil Immersed Distribution Transformer for ...

    Winding Materials: copper winding or Aluminum winding Cooling Method : ONAN, ONAN/ONAF 1. The transformer core adopt high-quality cold-rolled silicon steel sheet, greatly reducing the no-load loss and no-load current, and the core is tightly fixed to ensure that the core of the compact, reducing noise 2.

    Get Price
  • 20 HI SENDZIMIR 1000MM WIDTH CRM YEAR 1967

    2021-8-17u2002·u2002Motor Bearing : White metal bearing Motor bearing lubrication : Pedestal cooling Tension Reels : Expanding/Collapsing Single expansion type Mandrel. Transformer Specification: Mill Transformer :11 kv/750dual winding V,50 Hz, DdOYN11,4100 kva,Voltamp,India DTR transformer :11 kv/750 V,50 Hz, DYN11,2000 kva,Voltamp,India

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  • Synchronous machines - SlideShare

    2014-5-27u2002·u2002Synchronous machine ratings The stator copper losses also do not depend on the power factor angle 2 3SCL A AP I R= The rotor (field winding) copper losses are: Since the current angle is irrelevant to the armature heating, synchronous generators are rated in kVA rather than in kW. 2 RCL F FP I R= Allowable heating sets the maximum field current ...

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  • Datsan Transformer - 11 kV Series Distribution Transformers

    2020-1-20u2002·u2002Datsan Transformer has been established in 1992 especially to work in electricity industy. It has finished dozens of project successfully till 2006 and started to manufacture distribution transformers in 2006. Datsan has manufactured over 10 thousand of distribution transformers till today and exported to more than 15 countries.

    Get Price
  • Distribution Transformers – Slaters Electricals

    The UK's Largest Stock of Distribution Transformers. We are a leading UK supplier of quality new and refurbished distribution transformers. Manufactured and tested in accordance with internationally recognised standards (IEC60076 or equivalent), we supply highly reliable transformers to cover all common applications, including:

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  • SGB-SMIT Group - Transformatorenhersteller - News-Detail

    Previously, Red Metal Mining awarded SGB Regensburg orders for the first phases of renewal of all the transformers of this mine. Now, the company has received another major contract. During the previous phase of the scheduled transformer replacement, SGB and Red Metal Mining were already able to deliver 20 cast-resin transformers.

    Get Price
  • EEP - Electrical Engineering Portal

    2021-9-13u2002·u2002You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage ...

    Get Price
  • 20KV S11-M

    Product introduction. S9-M, S10-M, S11-M, S11-MR type 10kV series full seal oil immersed distribution transformer, its performance meets the standard of GB1094 'power transformer' and GB/T6451-2008 'three-phase oil immersed power transformer technical parameters and requirements' standard 5 iron core using high quality cold rolled silicon steel sheet, full oblique …

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  • 20 HI SENDZIMIR 1000MM WIDTH CRM YEAR 1967

    2021-8-17u2002·u2002Motor Bearing : White metal bearing Motor bearing lubrication : Pedestal cooling Tension Reels : Expanding/Collapsing Single expansion type Mandrel. Transformer Specification: Mill Transformer :11 kv/750dual winding V,50 Hz, DdOYN11,4100 kva,Voltamp,India DTR transformer :11 kv/750 V,50 Hz, DYN11,2000 kva,Voltamp,India

    Get Price
  • Source Automatic Cast Resin Transformer Foil Winding ...

    Max.Winding Width(mm): 1600 : Insulation Quantity: 2 : After-sales Service Provided: Field maintenance and repair service,Field installation, commissioning and training,Video technical support,Online support,Free spare parts : Rectifying mode: Photoelectric sensing : Dimension(L*W*H): 4800x3100x2500mm : Length of Axis (mm): 1950

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  • Application of Transformer according to... - Protection ...

    Application of Transformer according to Vector Group 1.) Dyn11, Dyn1, YNd1, YNd11 Common for distribution transformers. Normally Dyn11 vector group …

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  • China Multi Copper Aluminum rectangular Wire Paper ...

    2021-3-22u2002·u2002Copper Aluminum rectangular wire: Section area 5-100mm²(1*5mm,5*30mm) Lapping pitch: 10~32 mm, step less adjustable: Lapping head rated speed: 800 rpm/min: Normal production rate 0-600rpm/min(Depending on the size of the gauge, the pitch size) Paper Pad OD: 330 mm: Paper Pad ID: 75 mm: Paper Pad width: 10~32 mm: Paper thickness: 0 ...

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  • Electrical Design calculations - SlideShare

    2016-10-26u2002·u2002I PANKAJ V. CHAVAN I 2016 33 ∴ MINIMUM BENDING RADIUS = 712 mm ∴ SO, DIAMETER OF ABOVE CABLE BENDING IS = 2 X 712 mm. ∴ SO, DIAMETER OF ABOVECABLE BENDING IS = 1424 mm. MINIMUM BENDING RADIUS OF HT POWER CABLES.PVC OR XLPE CABLE FORMULA : AS PER IS 1255 ∴ MINIMUM BENDING RADIUS = 15 X CABLE DIAMETER.

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  • Source 3 phase dyn11 neutral grounding transformer on m ...

    3 phase dyn11 neutral grounding transformer, You can get more details about from mobile site on m.alibaba.com

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  • Medium Voltage Distribution Transformers 6.6, 11, 22, 33 ...

    2018-10-8u2002·u2002Frequency 50 Hz Primary voltage 6.6, 11, 22 & 33 kV. Other voltage: on request. Secondary voltage 400 V, 415 V, 433 V Vector Group Dyn11 Tap Changers OCTC or OLTC Termination HV LV : Bushing Cable box Busduct flange Conductor Copper or Aluminium Transformers range from 50 kVA to 3000 kVA, with

    Get Price
  • Copper winding dry type 225kva distribution transformer 6 ...

    High quality Copper winding dry type 225kva distribution transformer 6 /0.4kv from China, China's leading cast resin dry type transformer product, with strict quality control dry cast resin transformers factories, producing high quality dry cast resin transformers products.

    Get Price
  • SCB10 33KV 35KV copper winding three phase dry type ...

    2021-6-28u2002·u20022021-6-28u2002·u2002SCB10 33KV 35KV copper winding three phase dry type transformer, find complete details about SCB10 33KV 35KV copper winding three phase dry type transformer from Guangzhou Guanggao High Voltage Electric Apparatus Co., Ltd. supplier or manufacturer on Equipmentimes.com.

    Get Price
  • Automatic 800mm Width Copper Strip Winder Lv

    Introduction. Automatic 800mm Width Copper Strip Winder LV Distribution Transformer Foil Winding Machine BRJ800-2 is used to wind coils made of copper or aluminum foil.This coil winder can handle one or two layers of conductor foil and one or two layers of insulation material (such as paper or similar). Bus bars are welded with TIG welding process.

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  • Scbh15 Amorphous Metal Dry Type Transformer Three

    Scbh15 Amorphous Metal Dry Type Transformer Three Phase Double Winding Coil . Product introduction . SCBH15 is a maintenance-free and energy-saving transformer under advanced production technology. It has features of moisture-proof, fire-proof, explosion-proof, low partial discharge and high heat dissipation.

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  • China 315 KVA 3.3KV To 400V VPI Open Winding Dry Type ...

    Product Introduction. SCOTECH delivered two units of 315 KVA vacuum pressure impregnated (VPI) dry type transformer to South Africa in 2018. The rated power of the transformer is 315 KVA. the primary voltage of the transformer is 3.3 KV and secondary voltage is 0.4 KV, the transformer coils are vacuum pressure impregnated in high temperature polyester vanish under vacuum and pressure, the ...

    Get Price
  • 3 Phase 3 Winding Transformer 20kv 200kva 800kva Oil ...

    3 Phase 3 Winding Transformer 20kv 200kva 800kva Oil Immersed Distribution Transformer, Find Complete Details about 3 Phase 3 Winding Transformer 20kv 200kva 800kva Oil Immersed Distribution Transformer,Transformer 20kv 800kva Distribution Transformer 800kva,Transformer 20kv 800kva Oil Immersed,Transformer 3 Phase 3 Winding 200kva from Transformers Supplier or Manufacturer-Baoding …

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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
  • 315kVA Cast Resin Dry Type Transformer with Copper

    Transformer, Dry Type Transformer, Cast Resin Transformer manufacturer supplier in China, offering 315kVA Cast Resin Dry Type Transformer with Copper Winding and Aluminum Winding, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with IP54 Enclosure and so on.

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