發(fā)電機(jī)的分類有哪些？

What are the classifications of generators?

　　發(fā)電機(jī)的分類方式通常有以下三種：

There are usually three classification methods for generators:

　　按驅(qū)動(dòng)動(dòng)力分類

Classified by driving force

　　發(fā)電機(jī)驅(qū)動(dòng)動(dòng)力的形式有多種，常見的的動(dòng)力機(jī)有：

There are various forms of power driven by generators, and common power machines include:

　　風(fēng)力發(fā)電機(jī)就是依靠風(fēng)力帶動(dòng)發(fā)電機(jī)轉(zhuǎn)動(dòng)，產(chǎn)生電流；這種發(fā)電機(jī)無需消耗額外能源，是一種無污染的發(fā)電機(jī)。

A wind turbine relies on wind power to drive the generator to rotate and generate current; This type of generator does not require additional energy consumption and is a pollution-free generator.

　　水力發(fā)電機(jī)是利用水流的落差，產(chǎn)生動(dòng)力，帶動(dòng)發(fā)電機(jī)發(fā)電，也是利用綠色自然資源發(fā)電的設(shè)備，又稱水輪發(fā)電機(jī)。

A hydroelectric generator is a device that utilizes the drop of water flow to generate power, drives the generator to generate electricity, and also utilizes green natural resources for power generation, also known as a hydroelectric generator.

　　燃油發(fā)電機(jī)是依靠柴油或汽油燃燒產(chǎn)生動(dòng)力帶動(dòng)發(fā)電機(jī)組的。遇到停電，就可啟動(dòng)燃油發(fā)電機(jī)發(fā)電，以維持正常工作。

Fuel powered generators rely on diesel or gasoline combustion to generate power and drive the generator set. In the event of a power outage, the fuel powered generator can be started to generate electricity and maintain normal operation.

　　按轉(zhuǎn)換的電能方式分類

Classified by the method of converting electrical energy

　　按轉(zhuǎn)換的電能方式可分為交流發(fā)電機(jī)和直流發(fā)電機(jī)兩大類。

According to the conversion method of electrical energy, it can be divided into two categories: AC generators and DC generators.

　　交流發(fā)電機(jī)又分為同步發(fā)電機(jī)和異步發(fā)電機(jī)兩種。同步發(fā)電機(jī)又分為隱極式同步發(fā)電機(jī)和凸極式同步發(fā)電機(jī)兩種。現(xiàn)代發(fā)電站中最常用的是同步發(fā)電機(jī)，異步發(fā)電機(jī)很少用。

AC generators are divided into two types: synchronous generators and asynchronous generators. Synchronous generators are divided into two types: hidden pole synchronous generators and salient pole synchronous generators. The most commonly used in modern power plants is synchronous generators, while asynchronous generators are rarely used.

　　交流發(fā)電機(jī)組又可分為單相發(fā)電機(jī)和三相發(fā)電機(jī)兩種。三相發(fā)電機(jī)輸出電壓為380V,單相發(fā)電機(jī)輸出電壓為220V.

AC generator sets can be divided into two types: single-phase generators and three-phase generators. The output voltage of a three-phase generator is 380V, and the output voltage of a single-phase generator is 220V

　　按勵(lì)磁方式分類

Classified by excitation method

　　按勵(lì)磁方式可分為刷勵(lì)磁發(fā)電機(jī)和無刷勵(lì)磁發(fā)電機(jī)兩類

According to the excitation method, it can be divided into two types: brush excitation generators and brushless excitation generators

　　有刷勵(lì)磁發(fā)電機(jī)的勵(lì)磁方式為他勵(lì)式，無刷勵(lì)磁發(fā)電機(jī)的勵(lì)磁方式為自勵(lì)式。他勵(lì)式式發(fā)電機(jī)的整流裝置是在發(fā)電機(jī)定子上，而自勵(lì)磁式發(fā)電機(jī)的整流裝置是在發(fā)電機(jī)組的轉(zhuǎn)子上。

The excitation method of a brushless excitation generator is separate excitation, while the excitation method of a brushless excitation generator is self excitation. The rectification device of a self-excited generator is located on the stator of the generator, while the rectification device of a self-excited generator is located on the rotor of the generator set.

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