About What is the generator rotor inlet air temperature
Air entering the compressor at point 1 is com-pressed to some higher pressure. No heat is added; however, compression raises the air temperature so that the air at the discharge of the compressor is at a higher temperature and pressure. Upon leaving the compressor, air enters the combustion system at point 2, where fuel is injected and .
Air entering the compressor at point 1 is com-pressed to some higher pressure. No heat is added; however, compression raises the air temperature so that the air at the discharge of the compressor is at a higher temperature and pressure. Upon leaving the compressor, air enters the combustion system at point 2, where fuel is injected and .
Furthermore, though the rotor experiences great mechanical stress and high temperatures (in some cases up to 266 ̊F–311 ̊F/130 ̊C–155 ̊C) while subjected to electrical voltage and current, it is expected to function in this manner for years without fail-ure.
The combined cycle has a major impact on the efficiency of syngas-based power generation in an IGCC plant. The turbine rotor inlet temperature (firing temperature) of current commercial syngas-fired gas turbines is 1200–1300°C, which is approximately 110–170 K lower than their natural gas fired equivalents (Barnes, 2013).
The generator rotor represents an excellent combination of electrical, mechanical and manufacturing skills in which the field coils are well insulated, supported and ventilated in a compound structure rotating at very high speed (typically 1800 or 3600 rpm).
function of the LP rotor speed, HP rotor speed and inlet air temperature. Aeroderivative engines incorporate variable geometry in the form of compressor inlet guide vanes that direct air at the optimum flow angle, and variable stator vanes to ensure ease of start-ing and smooth, efficient operation over the entire engine operating range.
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6 FAQs about [What is the generator rotor inlet air temperature ]
What is a rotor inlet temperature?
Also known as Rotor Inlet Temperature (RIT), the firing temperature is arguably the most impor-tant gas turbine parameter (even more so than TIT) because it quantifies the true work generation ability of the cycle working fluid.
What is a generator rotor?
The generator rotor represents an excellent combination of electrical, mechanical and man-ufacturing skills in which the field coils are well insulated, supported and ventilated in a com-pound structure rotating at very high speed (typically 1800 or 3600 rpm).
What are the components of a generator rotor?
the size and life of generator rotors are temperature, mechanical force and electrical insulation. typical generator field. Note the major components: rework or modifications is also discussed. This There are, of course, variations on this configuration. For example, while the illustrated design uses radial fans, other designs use axial fans.
Can a direct cooled rotor uprate a gas turbine?
The same applies to a direct-cooled con-version or a replacement rotor with perhaps more uprate capability. It has been common to support a gas turbine or steam turbine uprate by taking advantage of the existing generator margin (i.e., just operate the generator at a higher power factor than origi-nally designed).
What factors affect a generator rotor?
There are a number of other concerns that also affect generator rotors. Thermal sensitivity is the term used to describe an excessive vibration of the generator rotor, induced by the heating effect of the field cur-rent. As field current flows in the winding, the copper heats up. Two things happen as a con-sequence:
What causes a generator rotor to degrade?
One component of the generator that is typically refurbished, upgraded or uprated is the generator rotor (field). Degradation of the generator field can be caused by a number of factors, including a breakdown in insulation due to time and tem-perature and mechanical wear.
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