EN
FR
DE
ES
-
31 07,2024
What are the Chemical Composition and Properties of Cold-Rolled Silicon Steel Sheets?
What are the Chemical Composition and Properties of Cold-Rolled Silicon Steel Sheets? Cold-rolled silicon steel sheets are a special type of silicon alloy steel produced through a cold rolling process, primarily used for making cores of motors, ...
-
31 07,2024
What sealing structure should be adopted for oil-immersed transformers?
What sealing structure should be adopted for oil-immersed transformers? Oil-immersed transformers play a crucial role in power systems, with their sealing performance directly impacting the operational reliability and lifespan of the transformers. The...
-
30 07,2024
What kind of sealing material should be chosen for oil-immersed transformers?
What kind of sealing material should be chosen for oil-immersed transformers? Choosing sealing materials that are compatible with the characteristics of transformers is crucial. Technical conditions related to sealing materials include the working med...
-
27 07,2024
How is the understanding of withstand voltage and test voltage?
How is the understanding of withstand voltage and test voltage? In practical operation, transformers and choke coils are exposed to transient overvoltages due to various reasons. For instance, when a transformer's power supply is closed, it may ge...
-
19 07,2024
How does wind speed affect the operation of transformers?
How does wind speed affect the operation of transformers? Typically, the maximum wind speed at a certain distance above the ground is specified over a specific period. For example, at a height of 10 meters above the ground, the wind speed reaches 35 m...
-
17 07,2024
What are the inspection tasks for dry-type transformers?
What are the inspection tasks for dry-type transformers? Check for abnormal sounds and vibrations. Look for signs of local overheating, such as insulation surface tracking and discoloration caused by harmful gas corrosion and carbonization. Ve...
-
23 04,2024
How to analyze and dissect three-phase transformers?
How to analyze and dissectthree-phasetransformers? A transformer is a device that transforms AC voltage, current, and impedance. When an AC current flows through the primary coil, an alternating magnetic flux is generated in the core (or magnetic core...
-
22 04,2024
What protective devices does a three-phase transformer have?
What protective devices does a three-phase transformer have? Microcomputer Protection Device: The microcomputer protection device for three-phase transformers consists of highly integrated components, chip-on-bus single-chip micro-controllers, hi...
-
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 ...
