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Cause of winding damage of dry type transformer 2020-06-06

Poor manufacturing process: winding of dry type transformer has uneven winding, winding number accumulation, insulation short circuit or damage between layers, winding monotonicity, winding structure strength, insulation short circuit and so on. The short circuit between the winding is caused by the location change of main transformer winding. The risks of winding include insulation operation, poor welding and burrs. The plan was inappropriate.

Video of dry type transformer assembly 2020-06-01

Dry-type transformers can be customized now. The size of dry transformers and many parts can be assembled as if they were the same as computers. There are many problems to be noticed in the assembling process of dry type transformers. Usually, there are also some technical requirements. So for dry type transformer assembly technology related...

Normal temperature of dry type transformer 2020-05-31

Dry type transformer is an important industry of transformer. In order to improve the performance of dry-type transformers, dry type transformers have many problems in production. More attention should be paid to the fixed production and the tightening of dry type transformers. It is important to improve the level of technical management after fully recognizing the technical management of the modified transformer after confirming the protection state of the dry-type transformer.

How to adjust the tap changer of dry type transformer 2020-05-11

Under the condition of dry transformer operation (load), by adjusting the position of the tap switch, the connection position of the dry type transformer is changed, and the output voltage of the dry type transformer is adjusted. Operate switch controller to adjust. Manual operation to check whether the driving mechanism is flexible. Confirm the interlocking switch, limit switch and sequence switch in the power box.

What are the energy saving measures for dry type transformers? 2020-05-08

There are 4 energy saving measures for dry type transformers. Reduce no-load loss, reduce load loss, reduce other parts, and reduce the loss by using the working characteristics of machine tools. 1, reduce no-load loss (1) use good performance silicon steel plate or amorphous alloy sheet, ladder connection. (2) improve the core structure and technology, reduce the process coefficient. ...

Temperature range of dry type transformer 2020-04-15

The temperature of dry type transformer is an important performance and index of dry type transformer. The inner temperature of dry type transformer is constantly changing. For the dry type transformer, the temperature should be checked continuously. The temperature of dry-type transformer has certain standard. What is the specific standard? Or the small part of dry type transformer factory.

Low voltage coil of dry type transformer 2020-04-09

The utility model belongs to a dry type transformer protective cover. It consists of an unsealed base made of section steel, a side panel, a fan on the side plate, a transformer thermometer, a positive panel, a cooling hole on the plate, a ceiling box and a outlet box on the roof plate. The protective cover can be installed in the distribution room, workshop or large electrical equipment near indoor locations. Use Ben...

Low voltage closed outlet device for dry type transformer 2020-04-09

In the existing technology, the low voltage outlet device is welded after the product is assembled and molded by using the copper bus bar as required. The fixing way is to fix the insulator on the lower part of the clamping part with an insulator. The low voltage leads of the structure are all exposed to the air, and the insulation medium is air. In order to ensure insulation performance, the space is large and the appearance is not beautiful.

Energy saving grade of dry type transformer 2020-03-30

Dry type transformer is an important type of power equipment and transformer. The technology of dry-type transformer is constantly improving, and it is also constantly saving energy. The energy efficiency of dry type transformer is also divided into many grades. The standard of energy saving and grade of common dry type transformer is as follows: in the past, dry type transformers came to S7, S9, S11 and so on.

Load ratio calculation of dry type transformer 2020-03-23

Dry type transformer is also in a certain loss during the running process. The mechanical efficiency of dry type transformer is also an important mechanical performance of dry type transformer. The loss of dry type transformers can be calculated. The main calculation methods of the losses of common dry transformers are as follows: dry transformer loss calculation formula (1).

What are the maintenance steps of dry-type transformers? 2020-03-20

Dry type transformer maintenance steps 1. Switch on the standby dry type transformer, cut off the circuit breaker of the low-voltage side of the dry type transformer, check the power supply operation, release the control switch, and switch the handle to cut off the "no switch" sign. 2. Cut off the high voltage side circuit breaker of dry type transformer, close the grounding switch, discharge the dry type transformer sufficiently, lock the high voltage cabinet, and open it.

Technical specification for dry type transformer installation 2020-03-16

The installation of dry type transformers has attracted the attention of all of us. For the installation of dry type transformers, we should pay attention to the core technology, and the installation of dry type transformers must pay more attention to the problems. In general, attention should be paid to the procedure and technology when installing dry type transformers. The following are specified for the installation of dry type transformers: 1,...


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