Examples of 'pitch system' in a sentence
Meaning of "pitch system"
pitch system: A method for promoting or presenting ideas or products to an audience
How to use "pitch system" in a sentence
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pitch system
A hydraulic pitch system for a wind turbine.
Wind turbine with blade pitch system.
A pitch system bolt circle.
A wind turbine comprising a blade pitch system.
The pitch system is of vital importance to the performance of the wind turbine.
A wind turbine having a hydraulic blade pitch system.
An important element in the pitch system is the pitch bearing.
We have appreciated that it would be advantageous to provide an improved pitch system.
It may therefore be important to test a pitch system of a wind turbine generator.
The pitch system is also used for emergency breaks of the turbine system.
This presents a further design challenge no matter which type of pitch system is used.
Global efficiency of the pitch system according to this aspect of the invention is enhanced.
By using a difference signal a more clear indication of a pitch system fault may be achieved.
The pitch system is also used at low wind speeds to maximise the power.
The plots are shown for a common pitch system for all rotor blades.
See also
The pitch system is used to rapidly change the blade pitch to reduce aerodynamic loads.
These components collectively form a pitch system and may include hydraulic or electrical drives.
A wind turbine and a method for compensating for disparities in a wind turbine rotor blade pitch system.
The wind turbine may comprise a pitch system for adjusting the pitch angle of the blades.
Typically, the pitch is controlled by means of a hydraulic pitch system.
In one embodiment, monitoring of the pitch system is provided by pitch motor encoders.
The pitch system may therefore be regarded as a non-linear system with varying parameters.
In another embodiment of the invention, the hydraulic pitch system may comprise a system accumulator.
Thus, the pitch system is more sensitive at a large pitch angle than a small pitch angle.
Summary A wind turbine comprises a hub, a blade rotatably mounted to the hub, and a pitch system.
However, the inventive blade pitch system can be used for active stall regulation as well.
Testing & validation of new pitch system.
More specifically, the pitch system and brake system may be subsystems within a common hydraulic system.
In embodiments, however, an electrically pitch system may be envisioned.
The hydraulic pitch system 1 comprises three manifolds 4, one for each rotor blade.
An alarm, however, does not necessarily reflect a pitch system fault.
Operation of the inventive blade pitch system is described in conjunction with Fig . 1.
In the exemplary embodiment, blade pitch is controlled 102 using variable blade pitch system 56.
A method of operating the pitch system 20 will now be described.
The blade pitch system may include an optional or spare rectifier 12 ' if the rectifier 12 fails.
To the hub 6 for controlling the pitch system of the wind turbine 2.
Figs . 5A-5E are schematic views illustrating a method of operating the pitch system.
Fig . 1 shows a blade pitch system for a three rotor blade wind turbine.
One example of a compensated hydraulic response curve 19 of the pitch system is illustrated in fig . 4c.
More specifically, the pitch system and brake system are subsystems within the hydraulic system 32.
Figure 5 is a block diagram of the blade pitch system shown in Figure 3.
Pitch system - pitch force ; Main shaft system - main shaft torque ;.
The actuator may for example by the pitch system 7 or the power system 9.
Detailed description Fig . 1 shows a prior art pitch system in a wind turbine.
Illustrates schematically the functionality of a pitch system in a pitch controlled wind turbine, figs . 4 and 5.
Figure 3 is a perspective view of an exemplary embodiment of blade pitch system 42 ( shown in Figure 2 ).
A wind turbine ( 3 ) comprising a hydraulic pitch system ( 1 ) according to any of the preceding claims.
The measurement value N IST is coupled to a pitch system control unit 22.
Figs . 5A-5E are schematic representations of the pitch system 20 at various stages of operation.
Fig . 3 is perspective view of a pitch system shown in Fig . 2.
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