电气外文文献-翻译知识讲解.pdf

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Circuit breaker

断路器

Compressed air circuit breaker is a mechanical switch equipment, can be i

空气压缩断路器是一种机械开关设备， 能够在

n normal and special conditions breaking current (such as short circuit cur

正常和特殊情况下开断电流（比如说短路电流）。

rent). For example, air circuit breaker, oil circuit breaker, interference circ

例如空气断路器、油断路器， 干扰电路的导体

essed air circuit breaker, a degaussing of isolating switch, six sulfur hexaf

气断路器、 具有消磁性质的隔离开关、 六氟

luoride circuit breaker and vacuum breaker. Their parameters of voltage,

化硫断路器 和真空断路器。 他们的参数有电压等级、

current, insulation level of breaking capacity, instantaneous voltage off ti

开断容量的电流、绝缘等级 开断时间的瞬时电压恢复和

me of recovery and a bombing. Breaker plate usually include: 1 the maxi

轰炸时间。 断路器的铭牌通常包括： 1.最大可承

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mum tolerable current; 2 of the maximum current is interrupted; 3 largest

line voltage; 4 interrupt the cycle number. In the 60hHZ system, interrupt

路电压； 4.中断周期数量。 在 60hHZ 的系统中，中断

may last from 3- to 8 cycle, in order to quickly break up to the load curre

可能持续 3-至 8 个周期，为了快速中断达负荷电流，

nt, we have to ensure continued to cool it, high-speed, breaking can limit

我们不得不确保它的持续冷却， 高速 开断能限制

When a trigger current or voltage, spring operation mechanism of air isol

当有触发电流或者电压时， 空气隔离开关的弹簧操作机构

ation switch moves quickly to reduce the contact loss, special shape and u

迅速动作以用来减少触点的烧损，主触点的特殊形

se the material of main contact completely fit for the arc of contact, air is

状和使用材料完全适合电弧的接触， 空气

olation switch further improvement is due to the arc quenching performan

隔离开关更进一步的改进是由于灭弧性能

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ce, insulating baffle plates arc shield, with arc the function of these specia

l properties, it is used in low voltage and DC circuit breaker.

质， 所以仍被应用于低电压等级和直流断路器中。

Oil circuit breaker in around 1900, mainly to meet the new, breaking capa

多油断路器出现于 1900 前后，主要用来满足新的开断容量的要求，

city requirements, AC switch is immersed in an oil cylinder, the oil in the

交流开关被浸入一个油缸之中， 油在

can adapt to 362kV.

变压器的类型和结构

A transformer is a device that alternating current electric energy at one vo

变压器是一个通过磁场作用将一个交流电压值变成另一个电压值的

ltage level into alternating current electric energy at another voltage level

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