There is a two fold answer the first one is that without condensing the steam back to water you could not recycle the condensate (unable to pump steam)therefore large capacity generators could not operate as production of suitably pure water for boiler feed could not be produced
The other great advantage is that by creating a near perfect vacuum in the condenser the steam will remain a gas until around 33 deg C (approx saturation temperature at 50mb ) enabling more work to be used by the removal of more latent heat from the steam and then pumping the water at the same temperature but now under pressure of course, on its cycle back to the boiler
Vacuum dropping in a steam turbine can be caused by air leakage into the system, inadequate steam supply, malfunctioning condenser or cooling system, or excessive steam flow rate. This drop in vacuum can reduce the efficiency of the turbine and impact its performance. Regular monitoring and maintenance of the system are essential to prevent issues leading to vacuum drop.
To generate electricity from steam, a steam turbine is typically used. High-pressure steam is directed onto the turbine blades, causing the turbine to spin. The spinning turbine is connected to a generator, which converts the mechanical energy into electrical energy.
A Rankine cycle diagram typically shows four main components: a boiler, a turbine, a condenser, and a pump. The process involves the heating of water in the boiler to produce steam, which then expands through the turbine to generate power. The steam is then condensed back into water in the condenser before being pumped back to the boiler to repeat the cycle.
To increase the efficiency of a Rankine cycle, you can: increase the boiler pressure to increase the temperature of the steam entering the turbine, lower the condenser pressure to improve the quality of the exhaust steam, and use regenerative feedwater heating to reduce heat losses. Additionally, using superheated steam can also improve the efficiency of the cycle.
The condensation point of steam is when it changes from a gas to a liquid at 100 degrees Celsius.
Rankine cycle is used in steam turbine
Your question is very Bad should you know the dearator in water cycle and turbine in steam cycle
Steam turbine is a machine that extracts thermal energy from pressurized steam. It is made up of casing essential to which the blades are attached onto it and a rotor that carries the moving blades.
Using waste energy in a gas fired electricity generation plant to run a steam turbine
If the inlet steam temperature to a steam turbine is low, it can lead to reduced thermal efficiency and power output. The turbine may not operate at its optimal performance level, resulting in decreased energy conversion and potential operational issues. Additionally, low inlet temperatures can increase condensation within the turbine, leading to erosion and potential mechanical damage over time. Overall, it can significantly affect the turbine's reliability and efficiency.
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In the low pressure side of a steam turbine, the vacuum is maintained by the condensation of steam in the condenser. At high loads, the condenser may not satisify the demand, allowing steam to remain gaseous for a longer period of time. This can cause pressure to rise.
A modern combined cycle gas turbine/ steam turbine power plant can reach almost 60% efficiency.
its in a cycle. water is heated to produce steam which spins the turbine. and when steam condenses it forms water which can be evaporated again
Steam and gas turbine power cycles are both used for electricity generation but operate on different thermodynamic principles. The steam turbine cycle typically involves heating water to create steam, which then drives the turbine, while the gas turbine cycle uses combustion gases to turn the turbine directly. Steam cycles generally have a higher thermal efficiency due to the ability to utilize heat recovery, but they require more water and infrastructure. In contrast, gas turbines are more compact, start up quickly, and are often used in peaking power plants, though they typically have lower thermal efficiency compared to advanced steam cycles.
Why extractions are taken out from steam turbine.
When steam contains liquid droplets while doing work at high temperatures, the water droplets can etch metal. To combat this, steam can be superheated or the pressure of the system is reduced.