Solutions to the Severe Vibration of 200KW Yuchai Generator Sets

Vibration poses extremely serious hazards to diesel generator sets. It not only reduces the working efficiency of the sets, affects their safe operation, but also accelerates the damage of set components, leading to accidents. Since it is inevitable for diesel generator sets to vibrate during operation, diesel generator manufacturers will teach you how to solve the problem of excessive vibration of 200KW Yuchai generator sets during operation.

Hazards of excessive vibration of 200KW Yuchai generator sets

Vibration causes the fastening components of various parts of the set to loosen, which may lead to the breakage of these fasteners themselves. It intensifies the vibration of their connecting parts and promotes their rapid damage. Vibration aggravates the mutual wear between the rotating parts of the set. Excessive vibration not only causes fluctuations in the operating parameters of the set, affects the load distribution and power supply quality of the set, but also shortens the service life of the set.

Two methods to reduce the vibration of the 200KW Yuchai generator set during operation

There are two ways to reduce the vibration of the generator set during operation: first, choose a good foundation for installation; second, use shock absorbers.

Standard conditions for the foundation base of diesel generator sets

The foundation base should support the weight of the entire set and the dynamic impact load generated by the unbalanced force during the set's operation. It should have sufficient stiffness and stability to prevent deformation that may affect the co - axiality of the diesel engine, the main alternator, and their accessories. It should absorb the vibration generated during the set's operation and minimize the transmission of vibration to the foundation and walls.

The best foundation is to build a concrete floor to enhance the firmness of the generator during installation. When building the foundation, it is necessary to provide a rigid support for the generator set to prevent it from moving and vibrating. The standard concrete block should be 150mm - 200mm thick, and its area should not be smaller than that of the generator set chassis. The ground or floor under the foundation plate should be prepared in advance to support the weight of the foundation plate and the generator set. (If the generator set is to be installed on a floor above the ground, the building structure must be able to bear the weight of the generator set, the stored fuel, and accessories, etc.) The building must comply with local building regulations, be easy for maintenance, and also minimize the corrosion of the chassis metal.

Generally, in order to reduce the transmission of generator set vibration to the building, diesel generator manufacturers will equip shock absorbers. For larger generator sets, the engine/alternator is rigidly fixed on the chassis, and additional shock absorbers are provided for users to install between the chassis and the foundation. Remember that in any case, the generator set should be firmly bolted to the ground to prevent movement. Shock - absorbing connections should be used for the external connections of the diesel generator set, such as flexible fuel pipes, smoke exhaust hoses, flexible air duct interfaces, wire hoses, and other connection support systems.

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