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23 10,2024
What Are the Insulation Material Systems for Resin-Cast Transformers?
Explains insulation material systems for resin cast transformers including epoxy compounds and their thermal/electrical properties.
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21 10,2024
How to Reduce No-Load Losses in Transformers?
No-load losses in transformers refer to the power consumed when the transformer's secondary winding is open (i.e., not connected to a load). These losses mainly include core lsses and stray magnetic losses. No-load losses are inherent...
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18 10,2024
What are the Processes and Causes of Insulation Aging?
This article analyzes the insulation aging processes in transformers including thermal, electrical, chemical and mechanical degradation mechanisms that reduce dielectric strength over time.
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17 10,2024
What are the characteristics of foil winding?
Foil winding transformers offer superior characteristics including reduced eddy current losses, better thermal dissipation, higher short-circuit withstand capability, and compact design for high-efficiency power applications.
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15 10,2024
How to Reduce No-Load Losses in Transformers?
This article explains effective methods to reduce transformer no-load losses through improved core materials, advanced lamination techniques, optimal flux density selection, and precision manufacturing processes.
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14 10,2024
How is an Epoxy Resin Dry-Type Transformer Cast and Molded?
The article details the epoxy resin casting process for dry-type transformers including vacuum encapsulation techniques, mold preparation, curing cycle control, and quality assurance methods for void-free insulation systems.
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09 10,2024
What are the cooling methods for dry-type transformers?
Dry-type transformers use various cooling methods including natural air convection (AN) and forced air cooling (AF) to maintain optimal temperature, ensuring efficient heat dissipation and prolonged service life.
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08 10,2024
What are the main reasons that can lead to the burning of transformers?
This article examines the primary causes of transformer burning including insulation breakdown, cooling failures, overloading conditions, voltage surges, and aging components that lead to catastrophic equipment failures.
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29 09,2024
What are the structural characteristics of epoxy resin dry-type transformers?
Epoxy resin dry-type transformers feature void-free encapsulation, flame-retardant insulation, compact windings, and superior thermal conductivity, making them ideal for indoor installations requiring high safety and low maintenance.
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29 09,2024
What are the Reasons and Prevention Methods for Excessive Verticality Deviation of the Core?
This article explains the causes of excessive verticality deviation in transformer cores including uneven clamping pressure and lamination misalignment, along with prevention methods during manufacturing and assembly processes.
