About Can the generator still generate electricity if the fan blade is broken
You could use a battery to power the motor, the motor drives the fan, and the kinetic energy of the fan recharges the battery via a generator. If no energy is lost to the environment then all processes in the fan are reversible. This is in principle just like a simple harmonic oscillator with no losses - just much more complex.
You could use a battery to power the motor, the motor drives the fan, and the kinetic energy of the fan recharges the battery via a generator. If no energy is lost to the environment then all processes in the fan are reversible. This is in principle just like a simple harmonic oscillator with no losses - just much more complex.
Wind turbine motor is used to generate electricity. Permanent magnet motor can be used as a generator for battery charging. The spinning shaft turns the electromagnets that are surrounded by heavy coils of copper wire inside generators. This creates a magnetic field, which causes the electrons in the copper wire to move from atom.
It is obvious that the fan blade has effective factors on the generator performance. In some cases, fracture of blades can cause short circuit between rotor and stator and consequently.
Since fracture in cooling fan blades has been occurred five times in our case study, in this research, the emphasis has been placed on failure analysis and preventing methods from the fracture in this generator’s fan blades.
Three kinds of blades were found in the turbine casing after the accident: fractured blades, cracked blades and un-cracked blades. The failure was at the turbine side of the generator and according to the visual inspections, the fan blades at the excitor side were not damaged.
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About Can the generator still generate electricity if the fan blade is broken video introduction
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6 FAQs about [Can the generator still generate electricity if the fan blade is broken ]
How does accident affect a generator?
Visual inspections were taken on the generator parts especially on the fan blades and the effect of accident on them was studied. Three kinds of blades were found in the turbine casing after the accident: fractured blades, cracked blades and un-cracked blades.
What is the failure analysis of a generator rotor fan blade?
The failure analysis of a generator rotor fan blade was investigated by mechanical analysis and metallurgical examination of fracture surface. Fracture took place at the airfoil root, surface examination showed that the blade had cracked by a high cycle fatigue mechanism. However, there was no evidence of material defect.
Can a cooling fan blade be fractured?
Since fracture in cooling fan blades has been occurred five times in our case study, in this research, the emphasis has been placed on failure analysis and preventing methods from the fracture in this generator’s fan blades.
How long did a generator rotor fan last?
The failed fan consisting of 11 blades was mounted on the generator-rotor at the turbine end, and had a total service life of about 41000 hours prior to the failure. The fan rotational speed was 3000 revolutions per minute (rpm) and the maximum operating temperature of the blades was 90°C. Figure 1.
Are gas turbine fan blades broken?
Failure report for gas turbine fan blades, 1997]. Metallurgical and structural analyses on the failed blades have not shown any microstructure degradation. Studies on the ruptured surfaces using scanning electron microscope (SEM) have shown that fracture has been happened as a results of high cycle fatigue (hcf).
What happens if a rotating fan fails in a generator?
Failure of a rotating fan inside a generator will cause extensive damage. The stored rotational energy in a fan that lets loose will typically destroy the stator winding, sometimes damage the stator core and cause damage to other rotor components such as retaining rings, the rotor winding and possibly even the rotor forging ( Moore, 2002 ).