Position:<->The utility of transformer
The adoption with modern industrial extensive businessElectric powerAsThe sources of energy, and power plant gives outElectric powerOften need classics is remote transmission ability reachs the area that use phone. When transmission power is constant, transmission voltage is taller, the electricity that needs is smaller. Because of voltage drop direct ratio at electric current. Line caustic direct ratio the square at electric current, can obtain inferior circuitry to press with taller transmit electricity voltage so fall and circuit loss, want to make the generator with very tall voltage, the technology is very at present difficult, after wanting the voltage that carries the dynamo with special device to lift so, carry again go out, this kind of special device is transformer. On the other hand, must reduce the tension of distribution system with step-down transformer again in end getting report, reason should pass a series of distribution transformer to reduce maximum pressure appropriate value to be used in order to offer.
By above knowable, transformer is a kind of dormant induction electric equipment that transmits communication electric energy through changing voltage. InElectric powerIn the system, the position of transformer is very significant, what require an amount not only much, and performance is good, moving safety leans.
Transformer is in besides applicationElectric powerIn the system, still apply in the industrial and mining enterprises that needs special type power supply. For example: The electric stove transformer that smelt uses, electroanalysis or the rectification transformer that chemical industry uses, solder used electric welding transformer, the experiment transformer that the experiment uses, hand in general drawing transformer, and the reactor that compensation uses, protect used disappear arc coil, measure used transformer to wait.
< 2>The classification of transformer.
1> presses utility classification: HaveElectric powerTransformer, special type transformer (electric stove changes, rectification changes, transformer of labour frequency experiment, booster, mine is used change, concussion transformer, reactor, transformer.
2> presses structural type classification: Have individual transformer, three-phase transformer and polyphase transformer.
3> presses cooling medium classification: Have dry type transformer, liquid (oily) dip transformer and aerate transformer.
4> presses cooling means classification: Have nature cold pattern, wind cold pattern, water-cooled, force oily loop wind (water) cold pattern, reach inside water cold pattern.
5> presses coil amount classification: Have wait from double winding and Ou transformer, 3 winding transformer.
6> classifies character by electric material: Copper cash transformer, aluminum steel transformer reachs half copper the transformer such as half aluminium, superconduction.
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