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What are the components and functions of diesel generators

阅读:84次 发表时间:2019-12-19 Article Source: Wuhan Generator Leasing Company Read: 84 Times : 2019-12-19

Diesel generators are mainly composed of stator, rotor, end cover, brushes, machine base and other components. The specific components and functions of each component are shown in the table:

Generator assembly

Subordinate composition

image

effect

stator

Machine base

1. As a support structure for the stator core laminations;

2. Withstand the torque of the stator and transmit it to the feet;

3. Form the channel of cooling gas;

4. Support structure for bearing, frame and cooler;

Stator core

Magnetic pathway

Wire winding

Induced potential

other

Auxiliary accessories

Rotor

Rotor core

Excitation

Rotor pole

(With choke pole winding)

Slip ring

Rotor coil is externally connected

fan

Blast cooling

Shaft

Axis of rotation

End cap

Protect

Brush

1.Apply external current (excitation current) to the rotating rotor through the brush (input current)

2.Introduce the electrostatic charge on the large shaft to the ground (grounding brush) through the brush (output current)

3. Change the direction of the current (in commutator motors, the brush also plays the role of commutation)

4. Lead the large shaft (ground) to the protection device for the rotor ground protection and measure the positive and negative voltage of the rotor to ground

Machine base

Bearing

Support rotor weight

shell

Protect

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