Abstract
In recent years, China power transmission and distribution equipment industry
has developed rapidly, and its market scale has been continuously expanding.
The demand of power transmission and transformation equipment in 2008 was
robust, in particular, transformer, one of the three main kind equipments of
grid, entered the golden development period. From Jan to Nov 2008, the sales
revenue of transformer, rectifier and inductor were together achieved
CNY184.105 billion with a total profit of CNY12.04 billion, up 29.73% and
40.14% respectively over the same period of last year.
Considering the transformer, there are two development trends. One is towards
the ultra-high voltage, from 220V, 330V and 500KV to 750KV and 1000KV, those
products are generally applied to large power stations or large-scale power
transmission, and the reliability is significant, calling for the function
improvement as well as rational distribution over the electrical, magnetic,
thermal and mechanical properties. The second is towards energy-saving, small
size, low noise, high impedance and explosion-proof.
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