Osage Installation drawing of oil immersed transformerWhat is the cause of cracking

Osage Fire resistance rating of oil immersed power transformer room,

When using the oil sample of the power transformer in operation, it is necessary to add some oil from the oil gate valve at the lower part of the oil tank or the sampling gate valve to release about 2kg of waste liquid stored at the bottom to clean the oil inlet, which also ensures the rated voltage of 110kV; Oil immersed transformers are generally suitable for distribution equipment.

Osage .How to make up oil for oil immersed transformer?

It is generally made due to unreasonable installation or ineffective sealing. Polymer composite materials can bond metal materials, porcelain, laminated glass and other materials very well, clearly put forward the glass test tube, rotate and release the oil in the tube to clean the sampling tube,Osage Box transformer 630kVA price, carry out it twice, and then draw the oil sample.

Transformer manufacturer

The key reason for oil leakage is that there are defects in cast iron parts

original.Deterioration damage of transformer core insulation

After the test, connect the data signal contact of the automobile relay with the alarm circuit, the pull-in contact with the opening circuit, and adjust the overcurrent protection value.

Plug in the power with full load first, observe and detect that the input and output voltage meets the regulations. At the same time,Osage Function of main transformer in power plant, check whether the equipment has abnormal sound, ignition, odor and other abnormal conditions. If there is any abnormality, please cut off the input switching power supply.

For no-load impulse closing of transformer, pay attention to the following matters:

average method.Power transformer manufacturer

The transformer manufacturer shall not use hand touch method to detect energized high-voltage equipment, such as transformer in operation and neutral grounding equipment of arc suppression coil. For the equipment without power supply and whose shell is reliable grounding device, the temperature or temperature rise must be tested by hand. The secondary equipment can be inspected by hand touch method when it is hot and vibrated.

After no-load test run is normal for 24h, it can be transferred to on-load operation, and the load shall be gradually increased from 25%, 50% and 75% by grade.

Osage .Careless maintenance and insulation damage

The power transformer belongs to relatively durable electrical equipment, and we can't neglect it in daily application. The common problems of power transformer conductor, power transformer winding and power transformer tapping power switch are analyzed below:

In relay protection dry-type transformer, the disconnection of the fault point is related to each other. In a word if there is any problem at a certain point, it will affect the whole power circuit