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  • Grounding transformer, Earthing transformer - All ...

    earthing transformer. power cast resin three-phase. earthing transformer. Three-phase unit supplied in power system to provide a neutral connection for earthing purposes, directly or through an impedance. It can be equipped with an auxiliary LV winding to supply auxiliary loads at the substations. Compare this product Remove from comparison tool.

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  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-15u2002·u2002Earthing transformers are classified as standard reactors. An earthing transformer (neutral coupler) is a three-phase transformer connected to the power system to provide a neutral connection for earthing, either directly or via impedance. The earthing transformers may in …

    Get Price
  • China Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry

    Dry Type Transformer, Power Transformer, Cast Resin Transformer manufacturer supplier in China, offering Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry Type Distribution Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with IP54 Enclosure and so on.

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-13u2002·u2002Earthing 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 does not exist with a delta secondary winding of the transformer, a neutral point ...

    Get Price
  • Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA ...

    Transformer, Dry Type Transformer, Cast Resin Transformer manufacturer supplier in China, offering Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA Dry Type Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with …

    Get Price
  • earthing transformer, earthing transformer Suppliers and ...

    25 kv 630 kva 33 kv transformer price, 400 kva 1250kva 1500kva dry transformer price,6kv 1600 kva earthing transformer price. $12,000.00-$15,000.00 Set. 1.0 Sets (Min. Order) CN Beijing Daelim Green Ep Tech Co., Ltd. 4 YRS. 5.0 ( 6) Contact Supplier. Add to Favorites. 1 6.

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

    2018-7-15u2002·u2002transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation substation 51 7.6 Level of noise in the transformers 51 7.7 Losses in the substation 52 8. LV Switchgear and Systems 52 8.1 Connection of the transformer and the LV switchgear

    Get Price
  • 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or ...

    2021-6-28u2002·u200211kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer, find complete details about 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer from Sichuan Tong Yong Electric Power Co., Ltd. supplier or manufacturer on Equipmentimes.com.

    Get Price
  • 11 KV Substation. - bsiet.org

    2020-3-28u2002·u2002Distribution Transformer 6. Earthing 7. DO Fuse 8. Stay Wire 9. MV cable 10. LV cable Fig shows the single line diagram of 11KV/440V substation DP structure. The single line diagram contains the 11KV distribution line, lightning arrester, A B switches, drop out fuse, 11KV/440V transformer…

    Get Price
  • (DOC) EARTHING TRANSFORMERS FOR POWER SYSTEMS

    INTRODUCTION:- A transformer is a device which electromagnetically transfers A.C. voltage from one level to another level. An earthing transformer is a transformer primarily to provide a neutral point for grounding purpose. The sole duty of the grounding transformer is to pass ground current during an earth fault., and it carries no useful load.

    Get Price
  • Power transformers - Hitachi ABB Power Grids

    2021-9-14u2002·u2002Transformer designs and materials used are constantly changing with changing materials prices. Hitachi ABB Power Grids can also provide transformers according to Tier 2 loss requirements and even lower losses. Hitachi ABB Power Grids is the leading manufacturer for ultra-efficient transformers, as a company being itself fully dedicated to ...

    Get Price
  • Earthing Transformer - an overview

    Three-phase earthing transformers are connected to unearthed networks in order to provide a neutral point for connection to earth. In the UK, this arises in delta–connected tertiary windings and 33 kV distribution networks supplied via star–delta transformers from 132 or 275 kV networks which are solidly earthed. The purpose of using these transformers is to provide a low ZPS impedance ...

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  • 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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  • (DOC) EARTHING TRANSFORMERS FOR POWER SYSTEMS

    INTRODUCTION:- A transformer is a device which electromagnetically transfers A.C. voltage from one level to another level. An earthing transformer is a transformer primarily to provide a neutral point for grounding purpose. The sole duty of the grounding transformer is to pass ground current during an earth fault., and it carries no useful load.

    Get Price
  • EP 12 10 00 11 SP - Distribution Substation Earthing

    2019-5-23u2002·u2002If a combined earthing system is used, that is the high voltage and low voltage equipment is earthed to a common terminal bar, then the combined earthing system shall have a resistance to earth not greater than 1Ω and must still be 30Ω or less even when part of the earthing system is removed, including temporary disconnections. For further

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  • The IT earthing system - s; E

    2021-8-15u2002·u2002the IT earthing system is to allow the installation to continue operating in complete safety, without endangering people or equipment, the degree of urgency is very much a relative judgement. In TN and TT earthing systems, the only solution is to clear the fault before resetting the circuit.

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  • Station Transformer - an overview

    In Electrical Systems and Equipment (Third Edition), 1992. Station transformers. The supply for the 11 kV station boards is via a 132 kV, 275 kV or 400 kV/11 kV station transformer, the rating of which is chosen to provide a starting facility for the unit, and standby capacity to the unit transformer in the case of its being unavailable, due to an outage.

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  • CNC Electric Group Co.,Ltd.

    CNC Electric Group Co.,Ltd. specializes in miniature circuit breakers, oil-immersed transformers, dry-type transformers, distribution transformers, amorphous alloy transformers, mining transformers, explosion-proof electrical appliances, high and low voltage switchgear. Leading domestic specializes in miniature circuit breakers, oil-immersed transformers, dry-type transformers, distribution ...

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  • Earthing Warranty Registration

    2021-3-2u2002·u2002Earthing Warranty Registration. Congratulations! We know you'll love the benefits of Earthing. HERE ARE THE BENEFITS OF REGISTERING YOUR EARTHING® PRODUCT: Peace of mind knowing that your Earthing® is guaranteed to be free of any manufacturing defects for an entire year. Access to a free guide outlining how to maximize the benefits from your ...

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  • Earthing Transformer at Best Price in India

    Earthing Transformer. ₹ 3,000 Unit Get Latest Price. Cooling Type: Dry Type/Air Cooled, Water. We are determined to provide a superior quality Rain Water Harvesting Service. This service is rendered by our dexterous professionals using the modern techniques and …

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  • Power transformers - Hitachi ABB Power Grids

    2021-9-14u2002·u2002Transformer designs and materials used are constantly changing with changing materials prices. Hitachi ABB Power Grids can also provide transformers according to Tier 2 loss requirements and even lower losses. Hitachi ABB Power Grids is the leading manufacturer for ultra-efficient transformers, as a company being itself fully dedicated to ...

    Get Price
  • Power Transformers – GE Grid Solutions

    GE's large, medium and small power transformers include equipment and solutions tailored to meet global customer's needs. GE utilizes the latest in design, measurement and testing tools to ensure each transformer meets and exceeds the latest industry standards, as …

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  • Transformer Design & Design Parameters

    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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  • Difference Between 11kv And 33kv Transmission

    2021-8-28u2002·u2002distribution t c, difference between power transformer and distribution, difference between 11kv and 33kv transmission line, why transmission line 11kv or 33kv 66kv not in 10kv 20kv, 1 electrical system bureau of energy efficiency, how can i distinguish between 11kv and 33 kv high voltage, why we are using 11kv lines

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  • UK Protective Marking: UK HPR1000

    2021-4-14u2002·u2002UK HPR1000 GDA Pre-Construction Safety Report Chapter 9 Electric Power UK Protective Marking: Not Protectively Marked Rev: 001 Page: 1 187

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  • Oil Immersed Transformer Installation & Operation

    2021-3-17u2002·u2002Oil-immersed Power Transformer Installation and Operation Manual. 1.1 The instruction manual applies to the low-loss oil-immersed power transformers with the capacity up to 6300KVA. 1.2 The using conditions for transformer are according to the regulations of OBT.500.1200 and OBY.500.507, the climatic conditions and corresponding max temperature ...

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  • Koncar Electrical Equipment

    2021-9-2u2002·u2002Transformer installation Connecting of all cables in 'Elektroliza' modernization Installation of additional transformers 1250kVA, 10kV high voltage fields and low voltage panels for substations 'Elektroliza', 'Anoda' and 'Livnice' Design, manufacture and installation of equipment for compressor station (5×400kV) for 'Elektroliza' 3.2.

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  • Transformations

    2015-3-31u2002·u2002Transformations - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Transformations

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  • Projects – შპს „სპეცენერგორემონტი'

    Rehabilitation of units 3 and 4 and fire-fighting system for transformers No.3 and No.4. Design, procurement, assembly, adjustment and commissioning of thyristor excitation system of hydroelectric unit 5. Capital repair of МКП-110 oil switches of transformers No.5 and N6 and power line Avchala-110 at Zemo Avchala HPP.

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  • MEO Class 4 Oral Questions MMD Function 5 EECEOL ...

    2021-6-26u2002·u2002The full form of EECEOL is Electrical, Electronics, and Control Engineering at Operational Level. Function 5 is considered a bit easier function in MEO Class 4 Exam as compared to the other functions. Because of the limited syllabus. In this article, I'll share the most frequently asked Oral questions in MMDs on Function 5.

    Get Price
  • Grounding transformer, Earthing transformer - All ...

    earthing transformer. power cast resin three-phase. earthing transformer. Three-phase unit supplied in power system to provide a neutral connection for earthing purposes, directly or through an impedance. It can be equipped with an auxiliary LV winding to supply auxiliary loads at the substations. Compare this product Remove from comparison tool.

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-15u2002·u2002Earthing transformers are classified as standard reactors. An earthing transformer (neutral coupler) is a three-phase transformer connected to the power system to provide a neutral connection for earthing, either directly or via impedance. The earthing transformers may in …

    Get Price
  • China Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry

    Dry Type Transformer, Power Transformer, Cast Resin Transformer manufacturer supplier in China, offering Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry Type Distribution Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with IP54 Enclosure and so on.

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-13u2002·u2002Earthing 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 does not exist with a delta secondary winding of the transformer, a neutral point ...

    Get Price
  • Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA ...

    Transformer, Dry Type Transformer, Cast Resin Transformer manufacturer supplier in China, offering Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA Dry Type Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with …

    Get Price
  • earthing transformer, earthing transformer Suppliers and ...

    25 kv 630 kva 33 kv transformer price, 400 kva 1250kva 1500kva dry transformer price,6kv 1600 kva earthing transformer price. $12,000.00-$15,000.00 Set. 1.0 Sets (Min. Order) CN Beijing Daelim Green Ep Tech Co., Ltd. 4 YRS. 5.0 ( 6) Contact Supplier. Add to Favorites. 1 6.

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

    2018-7-15u2002·u2002transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation substation 51 7.6 Level of noise in the transformers 51 7.7 Losses in the substation 52 8. LV Switchgear and Systems 52 8.1 Connection of the transformer and the LV switchgear

    Get Price
  • 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or ...

    2021-6-28u2002·u200211kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer, find complete details about 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer from Sichuan Tong Yong Electric Power Co., Ltd. supplier or manufacturer on Equipmentimes.com.

    Get Price
  • 11 KV Substation. - bsiet.org

    2020-3-28u2002·u2002Distribution Transformer 6. Earthing 7. DO Fuse 8. Stay Wire 9. MV cable 10. LV cable Fig shows the single line diagram of 11KV/440V substation DP structure. The single line diagram contains the 11KV distribution line, lightning arrester, A B switches, drop out …

    Get Price
  • (DOC) EARTHING TRANSFORMERS FOR POWER SYSTEMS

    INTRODUCTION:- A transformer is a device which electromagnetically transfers A.C. voltage from one level to another level. An earthing transformer is a transformer primarily to provide a neutral point for grounding purpose. The sole duty of the grounding transformer is to pass ground current during an earth fault., and it carries no useful load.

    Get Price
  • 3 EARTHING AND BONDING

    2017-9-29u2002·u2002At pole mounted transformer sites there are two earthing systems to consider, the HV equipment earth and the LV neutral earth. Unless there is a continuous length of HV cable directly back to the primary substation or an existing combined earthing installation exists these two earthing systems shall be electrically separated. Details

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  • Earthing system - s; E

    2021-8-14u2002·u2002The system earthing arrangement in LV characterises the earthing of the secondary of the HV/LV transformer and the earthing of the exposed conductive parts of the installation. Identification of the types of system earthing arrangements is thus defined by 2 letters: the first letter for connection of the transformer neutral ( possibilities):

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  • Copper Brazing of Earth Tapes for 33kV Transformer ...

    2021-5-4u2002·u2002Copper Brazing of Earth Tapes for 33kV Transformer & Substation Earthing Protection. Published 04 May 2021. Thorne & Derrick International, based in the UK, are specialist distributors and stockists of Copper Earthing Products – technical support services include LV MV HV earthing system designs for electrical power systems and substations. Contact us for the competitive supply of earthing …

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  • TNS Earthing System: Characteristic of TNS, Diagram

    2020-11-17u2002·u2002TNS earthing system diagram. In the TNS earthing system, there is an earth terminal at the incoming mains position.This earth terminal is connected by the supply protective conductor (PE) back to the start point (neutral) of the secondary winding of the supply transformer, which is also connected at that point to an earth electrode.

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  • INFLUENCE OF HARMONIC VOLTAGES ON SINGLE LINE TO

    2018-9-10u2002·u2002The neutral earthing method of the LAS 10kV network is also resonant earthing, but with a fictitious Petersen-Coil (R=5Ω, L=40H) connected to the neutral of the YNyn0 60/10kV transformer. For calculation simplicity, the positive and negative sequence impedances and admittances, and the 60/10kV transformer impedances are also here neglected [2].

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  • Earthing and Protection - College of Engineering, Trivandrum

    2019-10-12u2002·u2002Caused of Electrical Accidents Reason Faulty and fried wiring Too many equipment in Extension cords Faulty electrical appliances Outdated circuit breakers Light fixtures and decorations Electrical switches and outlets Unattended charging points Result Insulation failure Over current Heat and fire Electrocution 21-01-2019 Department of Electrical Engineering, …

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  • NEUTRAL EARTHING RESISTORS (NERs) - Cressall

    Neutral Earthing Resistors (also known as neutral grounding resistors in US influenced regions) are a key component in earth fault protection of medium voltage electricity generation and distribution systems. Cressall NERs limit the current that would flow through the neutral point of a transformer or generator in the event of an earth fault.

    Get Price
  • IET Forums - 11KV Transformer Earthing

    2009-2-22u2002·u2002Joined: 22 February 2009. Hi folks, bit of an issue on a site last week, I took a 'Ze' (with all bonds still connected) at the origin which was 0.98ohm. The installation is 3 years old an the original reading was 0.06ohms, system is TNS. The site is fed from an 11kv private transformer and 2x600 singles with 3x copper tapes onto 30metre steel ...

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  • IET Forums - 6.6kV motor testing following protection trip ...

    2016-1-30u2002·u2002The motor windings also passed a 10kV Megger IR test - >3 G ohm after a minute. The 6.6kV neutral earthing is via a NER to limit fault current. However, the protection relay which tripped on earth fault ( 24 A recorded ) almost certainly did so correctly, as we can't get the motor to pass an AC test between windings & earth.

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  • MEO Class 4 Oral Questions MMD Function 5 EECEOL ...

    2021-6-26u2002·u2002The full form of EECEOL is Electrical, Electronics, and Control Engineering at Operational Level. Function 5 is considered a bit easier function in MEO Class 4 Exam as compared to the other functions. Because of the limited syllabus. In this article, I'll share the most frequently asked Oral questions in MMDs on Function 5.

    Get Price
  • Grounding transformer, Earthing transformer - All ...

    earthing transformer. power cast resin three-phase. earthing transformer. Three-phase unit supplied in power system to provide a neutral connection for earthing purposes, directly or through an impedance. It can be equipped with an auxiliary LV winding to supply auxiliary loads at the substations. Compare this product Remove from comparison tool.

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-15u2002·u2002Earthing transformers are classified as standard reactors. An earthing transformer (neutral coupler) is a three-phase transformer connected to the power system to provide a neutral connection for earthing, either directly or via impedance. The earthing transformers may in …

    Get Price
  • China Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry

    Dry Type Transformer, Power Transformer, Cast Resin Transformer manufacturer supplier in China, offering Scb-1250/10/0.4 Three Phase 1250kVA 10kv Dry Type Distribution Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with IP54 Enclosure and so on.

    Get Price
  • Earthing transformers - Hitachi ABB Power Grids

    2021-9-13u2002·u2002Earthing 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 does not exist with a delta secondary winding of the transformer, a neutral point ...

    Get Price
  • Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA ...

    Transformer, Dry Type Transformer, Cast Resin Transformer manufacturer supplier in China, offering Pearl Electric Three Phase Sc B 11 10kv-6kv 0.4kv 1250kVA Dry Type Transformer, Three Phase Dry Type Transformer with ABB Quality, Three Proof 2000kVA Transformer Substation with …

    Get Price
  • earthing transformer, earthing transformer Suppliers and ...

    25 kv 630 kva 33 kv transformer price, 400 kva 1250kva 1500kva dry transformer price,6kv 1600 kva earthing transformer price. $12,000.00-$15,000.00 Set. 1.0 Sets (Min. Order) CN Beijing Daelim Green Ep Tech Co., Ltd. 4 YRS. 5.0 ( 6) Contact Supplier. Add to Favorites. 1 6.

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

    2018-7-15u2002·u2002transformers 49 7.4 Selection criteria for transformers based on capitalization of the losses 49 7.5 Example of a transformer for a transformation substation 51 7.6 Level of noise in the transformers 51 7.7 Losses in the substation 52 8. LV Switchgear and Systems 52 8.1 Connection of the transformer and the LV switchgear

    Get Price
  • 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or ...

    2021-6-28u2002·u200211kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer, find complete details about 11kv 415v 1250kva 3phase dry-type transformer Dyn11 or Yyn0 power tranformer distribution transformer from Sichuan Tong Yong Electric Power Co., Ltd. supplier or manufacturer on Equipmentimes.com.

    Get Price
  • 11 KV Substation. - bsiet.org

    2020-3-28u2002·u2002Distribution Transformer 6. Earthing 7. DO Fuse 8. Stay Wire 9. MV cable 10. LV cable Fig shows the single line diagram of 11KV/440V substation DP structure. The single line diagram contains the 11KV distribution line, lightning arrester, A B switches, drop out fuse, 11KV/440V transformer…

    Get Price
  • (DOC) EARTHING TRANSFORMERS FOR POWER SYSTEMS

    INTRODUCTION:- A transformer is a device which electromagnetically transfers A.C. voltage from one level to another level. An earthing transformer is a transformer primarily to provide a neutral point for grounding purpose. The sole duty of the grounding transformer is to pass ground current during an earth fault., and it carries no useful load.

    Get Price
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