Difference between spring control and gravity control, Advantages and disadvantages.

Difference between spring control and gravity control

Spring control and Gravity control: In this article we will discuss about Spring control and Gravity control difference.

Spring control :

  • In the spring control system, there should be a direct proportional control in between controlling torque and angle of deflection of a pointer.
  • If there are any changes in temperature the spring control system may get the effect by it.
  • In this system, the position of spring control can be held in any position like vertical or horizontal.
  • Due to there is a directly proportional in between deflection angle and current flow in spring control system the scale shown is uniform.

Gravity control system:

  • If the system consists in directly proportional in between angle of sin and current then it is known as Gravity control.
  • If there are any changes in temperature gravity control cannot effect by it.
  • In this system, the position of gravity control should be in vertical.
  • And in this system there is nonuniform is shown in scale.

Advantages of gravity control:

*) gravity control is comparatively low cost.

*) This system does not depend on temperature.

*) The construction is easy.

*) According to the type of conditions torque can be changed.


Disadvantages of spring control:

*) Spring control system is costly compared to gravity type.

*) this type of system depends on the temperature.

*) there is a little complex in construction.


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