Transformer to play a "heart" function in the power system, How to do the inspection and maintenance of the transformer,Elimination of equipment defects and hidden trouble?

1:1 prevention of transformer insulation aging ,Using the gauge to carry out the insulation and absorption of the transformer frequency,The problem is discovered by the balance coefficient of the phase resistance of the transformer.

2 prevention of transformer insulation oil degradation,Prevention of transformer oil deterioration,  mainly of dielectric loss of transformer,Analysis of latent fault in transformer by gas chromatography

3:To prevent the transformer over voltage fault,Under normal circumstances, the first  or second  side of the transformer installed lightning arrester,For power plants, substations and other large capacity main transformer,Should also be added to the two loop monitoring device.

4:Prevention of casing failure of transformer,The casing to be affected by moisture should be treated as soon aspossible. Damaged casing should be replaced by new casing,Sealed air tightness, elastic strong oil resistance, the test qualified rear can be put into use.

5:Insulation failure of transformer lead,The high and low voltage transformer to put into operation before the pile head inspected

6:Prevention of transformer magnetic circuit fault,Transformer magnetic circuit fault is mainly reflected in the core of the transformer core between the windings and core.

7:Transformer magnetic circuit fault is mainly reflected in the core of the transformer core between the windings and core. To ensure a safe distance between the screw mandrel, and core plywood,The gap between the core silicon steel sheet is small.

8:To prevent tap switch failure,First of all, do the comparation of the voltage ratio of the transformer, the DC resistance At the same time, it also should be the transformer short-circuit and no-load loss test, so as to determine whether the transformer has a safe operating condition.