EN
FR
DE
ES
-
30 03,2024
How to choose the cooling method for oil-immersed and dry-type forced air-cooled transformers?
How to choose the cooling method for oil-immersed and dry-type forced air-cooled transformers?Oil-immersed forced air-cooled transformers offer two selectable cooling methods: oil-immersed forced air cooling (ONAF) and oil-immersed self-cooling (ONAN). Ge...
-
29 03,2024
Why is vacuum drying and impregnation necessary for windings?
Why is vacuum drying and impregnation necessary for windings?Drying the winding helps to remove moisture from the insulation components. This not only enhances the insulation's withstand voltage level but also causes the insulation to contract to its ...
-
28 03,2024
What are the main insulation and longitudinal insulation in a winding?
What are the main insulation and longitudinal insulation in a winding? The main insulation in a winding includes components such as the paper cylinder, wooden cylinder, winding end insulation, and the insulation between the static ring and the ground....
-
27 03,2024
What is a split winding? What are its requirements?
What is a split winding? What are its requirements?A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to t...
-
26 03,2024
In an interleaved manner, how is the leakage flux of the winding distributed, and what kind of electromagnetic force is generated?
In an interleaved manner, how is the leakage flux of the winding distributed, and what kind of electromagnetic force is generated?In the case of a winding arranged in an interleaved manner, the distribution of leakage flux is different from the concentric...
-
24 03,2024
In concentric arrangement, how is the distribution of leakage flux in the windings and the resulting electromagnetic forces explained?
In concentric arrangement, how is the distribution of leakage flux in the windings and the resulting electromagnetic forces explained?For double-winding concentric arrangement, the leakage flux is generally smaller than in a single concentric arrangement,...
-
22 03,2024
What is the main magnetic flux? What is the leakage magnetic flux?
What is the main magnetic flux? What is the leakage magnetic flux?When a winding in a transformer is connected to a power source, it generates a magnetic flux in the core. The magnetic flux generated in the core due to the excitation voltage is called the...
-
21 03,2024
What are the different winding arrangements for transformers?
What are the different winding arrangements for transformers?The winding arrangement of a transformer refers to the placement positions of each phase and each coil within the winding. When selecting the winding arrangement, factors such as impedance volta...
-
20 03,2024
What is the winding direction of a winding?
What is the winding direction of a winding?The winding direction of a winding is closely related to the direction of the magnetic field generated by the current in the winding and the direction of the induced electromotive force in the winding when the ma...
-
19 03,2024
What is the Voltage Ratio?
What is the Voltage Ratio?The voltage ratio indicated on the nameplate of a transformer refers to the voltage ratio of the transformer under no-load conditions. It serves as a parameter used by the manufacturing factory to assess whether the number of tur...
