330KV mobile vehicle-mounted transformer

Abstract

The invention discloses a 330KV mobile vehicle-mounted transformer. The 330KV mobile vehicle-mounted transformer comprises a transformer and a transport vehicle, the transformer is arranged on the transport vehicle; the transformer comprises a transformer body and an accessory. The transformer body comprises a transformer body and a winding; and the winding is of an end wire outlet structure, and the head end wire outlet position is arranged at the lower end of the transformer body. The transformer has the advantages that the wire outlet position of the head end of the winding is arranged at the lower end of the transformer body, the situation that the wire outlet position of a traditional transformer is placed at the upper end is changed, and therefore the height of the transformer is reduced, in addition, wire outlet of the winding is achieved through the winding sleeve, at least part of the winding sleeve is placed in the oil storage box, and a measuring device can be omitted. The overall height of the transformer is effectively reduced, and the transportation convenience is greatly improved.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation equipment, in particular to a 330KV mobile vehicle-mounted transformer. Background technique [0002] Shaanxi Power Grid is located in the easternmost part of the Northwest Power Grid and is an important part of the Northwest Power Grid. The voltage level of the main grid of Shaanxi Power Grid is 330 kV, and the main grid of 330 kV Guanzhong forms a double-ring network structure and extends to northern and southern Shaanxi respectively. As of the end of 2018, Shaanxi Power Grid has 66 330 kV substations (switching stations) with a capacity of 37.53 million kVA and a line length of 10601.5 kilometers. In 2018, the maximum load of Shaanxi Power Grid was 23.94 million kilowatts, a year-on-year increase of 0.3%; the annual cumulative electricity consumption was 139.7 billion kwh, a year-on-year increase of 6.3%. The maximum load of the whole society in Shaanxi was 28.2 ...

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Problems solved by technology

[0003] On the one hand, with the high-quality development of the economy, the power load continues to rise, and the main transformer is heavy and overloaded during heavy loads, which brings serious tests and possible hidden dangers to the safe and reliable operation of transformers; on the other hand, with the In the construction of the power grid, the electrical connection is getting closer and closer, and the problem of excessive short-circuit current has become an important factor restricting the development of the power grid

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