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GTB series dry-type testing transformer

GTB series dry-type testing transformer

The GTB series dry-type test transformers have completely revolutionized the outdated situation of old test transformers being bulky, large, and heavy. When equipped with specially produced high-voltage silicon stacks, they can provide DC high-voltage test power. Coupled with auxiliary equipment such as control boxes (consoles), automatic protection microammeters, and sphere gaps, they are particularly suitable for on-site testing, making cumbersome work convenient, rapid, easy, and flexible, significantly improving efficiency. The GTB series dry-type test transformers are suitable for on-site insulation performance testing of various electrical equipment in power systems and for various power users, as well as for providing high-voltage power for DC high-voltage low-current applications in various voltage systems or devices for electrical products. They output AC and DC high voltage, providing high voltage for various high-voltage tests. Dry-type test transformers are used for on-site testing of insulation performance for various electrical equipment.

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2025-05-21

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Structure, cooling method, installation and commissioning of dry-type transformers

Structure, cooling method, installation and commissioning of dry-type transformers

A dry-type transformer is a power transformer whose core and windings are not immersed in insulating oil, and uses natural cooling or air cooling. As a newly developed power distribution equipment, it has been widely used in the power transmission and transformation systems of factories, workshops, high-rise buildings, commercial centers, airports, docks, subways, oil platforms, etc., and can be combined with switchgear to form compact integrated substations.

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2025-05-21

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What are the commonly mentioned components of a transformer?

What are the commonly mentioned components of a transformer?

Transformer bushing; Transformer desiccant breather; Transformer conductor rod; Transformer porcelain insulator; Oil-resistant rubber beads; Oil-resistant rubber pads; Oil-resistant rubber rope; Acrylic rubber; American transformer four-piece set; Transformer butterfly valve; Transformer gate valve; Transformer silicone rubber cover; Drop-out fuse cutout cover; Arrester cover; Drain valve; Thermometer; Oil level gauge; Gas relay; Resin block; Silicone rubber block; Rubber hose; Oil-resistant rubber sheet; Silicone sheet; Silicone strip; Dry-type transformer cover; State Grid cover; Copper clamp.

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2025-05-21

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Rural power grid transformation drives the electrical equipment industry chain

Rural power grid transformation drives the electrical equipment industry chain

Ruralpowergridtransformationdrivestheelectricalequipmentindustrychain

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2019-06-18

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Method for reading electrical control circuit diagram of building equipment

Method for reading electrical control circuit diagram of building equipment

Theelectricalcontroldiagramisdrawnaccordingtotheprincipleofsimpleandclear,easyreadingandanalysisbythereader.Thepositionofthecomponentsinthedrawingisnotdrawnaccordingtotheactualposition,andonlytherequiredelectricalcomponentsandterminalsaredrawn. Thecircuitdiagramisdividedintotwoparts:amaincircuitandanauxiliarycircuit.Themaincircuitisapartthroughwhichastrongcurrentpassesintheelectricalcontrol,andiscomposedofapowersupplycircuit,aprotectioncircuit,andacontactelement;theauxiliarycircuithasapowersupplycircuit,acontrolcircuit,andaprotectioncircuit,andthecontactorThecoil,therelaycoil,andthemovingcontactandthebreakingcontactelementarecombined.Themaincircuitisgenerallyindicatedbyathicksolidline,andtheauxiliarycircuitisgenerallyindicatedbyathinsolidline.AsshowninFigure5-17,theelectricalcontroldiagramofanelectromechanicalcontrolsystemisdrawnwithathicksolidline,andtheauxiliarycircuitisdrawnwithathinsolidline,whichisconvenientforanalyzingthecircuit. Eachcomponentanddeviceofthecircuitdiagramisrepresentedbyagraphicalsymbolspecifiedbythestate,andatextsymboloritemcodeisindicatednexttothegraphicsymboltoindicatethelevel,positionandtypeoftheelectricalcomponent. Theelectricalcontrolcircuitcanimplementvariouscontrolfunctionssuchasforwardandreverse,sequentialcontrol,timecontrol,andthelike.Thecontrolcircuitisadifferentcombinationofseveralelectricalcomponents,whichconstitutesseveralbasiclinks.Ifyouarefamiliarwiththestructureandprincipleofthebasiclink,anycomplicatedcircuitdiagramwillbesolved.Thebasicpartsofthecommonlyusedcontrolcircuithavethefollowingparts.

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2019-07-11

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Creating value for customers is creating the future for themselves!

Creating value for customers is creating the future for themselves!

The company will be based on domestic and international, continuously improve the economic and social benefits of the company, and give full play to its technological advantages.

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2019-07-11

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