Setubal 20kV power transformerProblems and solutions

announcer:hp122HP117294921 release time:2024-03-04 13:27:00

The input and output three-phase power lines shall be connected to phase a, phase B and phase C respectively according to the color of yellow, green and red bus duct of transformer terminal board. The zero line shall be connected to the neutral zero line of transformer voltage, and the grounding wire, transformer casing and its transformer point shall be connected to each other. At ordinary times, the ground wire and zero wire are led out by the neutral wire of the transformer. (for example, the tightening bolts are loose, and the installation and processing process is wrong, so that the bolts are not tightened well, resulting in oil leakage.

Setubal .The transformer manufacturer said that the selection should be based on the application environment of the dry-type transformer. For the extremely extreme environment the dry-type transformer should be poured with epoxy resin glue. Because this kind of environment does not need to heat the dry-type transformer, it can operate immediately. However, for the general application environment, the class H dry-type transformer can be used.

Power transformer factory

.After sampling, bind the laminated glass stopper firmly with clean paper or cloth to prevent dirt and water from contaminating the bottle stopper.

Dry type transformer factory

Caused by sand holes and cracks. For crack leakage, drilling stop hole is a good way to remove in-situ stress and prevent widening.


Setubal 20kV power transformerProblems and solutions



The insulating layer shaft and the connecting articles between the bell jar and the core shall be removed. If it is a hanging bell inspection, the oil shall be pumped into the bottom of the bell jar before the bell jar can be removed.

Precautions for trial operation of power transformer manufacturers

The hanging core of dry-type transformer is a vital part

index.Before no-load impulse closing, the transformer shall be placed for 24h, and the rising seat and waterproof sleeve installed with vent plug shall be deflated on time.

Under normal conditions,Setubal Technical parameters of power transformer, the actual operation of the oil immersed transformer shall be undertaken by the on-site operation and maintenance management staff. Within one week of grid connected operation, the operation and maintenance management staff shall improve the safety inspection range of the transformer, and immediately communicate and contact with the on-site project staff in case of any problems, so as to ensure the reliable and stable operation of machinery and equipment.

What is the reason for the shutdown of power transformer?


Setubal 20kV power transformerProblems and solutions



When the manufacturer of the power transformer samples from the automobile oil tank, after opening the sealing cover, use the cleaned and dried rubber stopper to the oil. At the same time, clamp the branch pipe with your thumb, and loosen your thumb to make the oil enter the pipe

Where can I find it?.When the transformer is out of phase, if the second phase is blocked, there is still no sound when the second phase is sent,Setubal Box buried transformer, and there is sound when the third phase is sent; If the third phase is blocked, the sound will not change, capacitance and resistor. The accuracy of those basic parameters does great harm to the calculation results of the whole wave process. For the inductance calculation, the good model is the solid model of infinite transformer core column, but there are many calculation methods.

Setubal .Power transformer factory

Analysis of common faults of oil immersed transformer:

Power transformer manufacturer