akpower
@akpower-WAuq3q Member
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Posted #Threads
Design changes in consumption of electrical appliances.
When you cannot generate at-least conserve it. This idea prompted many scientists, engineers, to devise improved appliances for daily use. Most popular amongst them being CFL...
1 reply -
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Storage of electricity
When we know the principle of `Storage for rainy day’., ,electricity was also stored for portability, emergencies, and remote application. Latest technologies are improving the cap...
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Posted #Threads
Depleting coal stocks around the world ring alarm bells for Power Industry
Coal (Natural resource ) deposits are depleting day by day as the major guzzler of coal are thermal power plants using coal as a primary fuel....
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Power plants based on principles of Rankine Cycle.
Almost all thermal power plants around the world using coal as fuel are based on principles of Rankine cycle. Maximum cycle efficiency is 40 to 42%....
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New concept for auxiliary steam in power plant design.
In a 150 MW turbine ,instead of reducing main steam pressure directly to auxiliary steam pressure requirement, it is derived after HP turbine bypass i.e. from...
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best turbine performance
When turbine is operated at constant inlet steam pressure or variable pressure mode,steam consumption drops or increases. What is the reason & why?😕
5 replies -
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high steam flow in turbine
We have a 150MW steam turbine with specific steam consumption of 3.16 T/KWH.However actual steam consumption when measured is 3.4T/KWH. Steam pressure & temp is 140kg/cm2...
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Pulverisation of coal in Thermal Power Plant
Maximum level of pulverization in popular Bowl & Roller coal mills(XRP-880,XRP-630) is 70 mesh size. This invariably results in unburnt in slag ash & sometimes in...
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Voltage levels in High Tension Transmission lines
Generally it is observed that electricity is transmitted in multiples of 11KV,such as 110KV,220KV,33KV,440KV etc .Why it is so ?. How-ever recently it is found that...
1 reply -
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Alternative energy generators (Solar Power)
Depleting natural resources such as coal, petroleum products, and uncontrolled deforestation for urban development, have compelled visionaries to tap solar power as a sustainable a...
1 reply -
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Demineralised Water makeup in Boilers of Power Plant
In standard power plant, having boiler pressure > 80kg/cm² ; D.M Water is used. Generally makeup water is added in hot-well of condenser where steam condensed...
1 reply -
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Fly ash sepaartion from Boiler flue gases.
In a thermal power plant, fly ash particles generated from the combustion process of coal are separated in Electrostatic Precipitator (ESP) or by using filter bags...
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Coal mill grinding roller/ball material in power plant
Generally Ni-Hard II or IV is used as grinding roll or ball material. What is maximum running life is expected from this material in terms of...
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Boiler tube leakages in power plant
With deteriorating coal qualities in Indian coal,boiler tube leakages have become a chronic problem for boiler outages. In spite of improving flame geometry , regular soot...
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CFBC Boilers at super critical pressure
With advent of CFBC Boilers , a new page is opened in power generation.What is maximum rating of a CFBC boiler & Turbo-alternator presently operative in...
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Addition of feed water heaters to raise feed water temp.to its saturation point
Generally feed water heaters either low pressure & high pressure are using bleed steam from turbine to raise feed water temp. to as high as possible...
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Low temperature heat recovery methods in power generation
The designers take utmost care for heat recovery from fuels while designing power plant equipments as well as preservation of it for maximum utilization .With advent...
11 replies -
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Better heat transfer fluid other than water in power generation
Presently water (treated) is extensively used worldwide in thermal power generation .The three factors mainly in favor of water being 1) abundantly available in nature 2)...
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Pumping wet steam against boiler pressure
What are the problems in pumping wet steam say at 0.2 kg/ sq. cm to boiler pressure? I think that instead of extracting steam to vacuum...
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Posted #Threads
Increaseing power output from installed thermal power generation
I would like to know whether it is possible to increase output from existing thermal power plant either in terms of heat input,efficiency, vacuum , heat...
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Posted #Threads
Generator output with reference to winding temperature
An electricity generator when operated at more than rated load; increases its winding temperature which restricts its continuous operation at higher load.Most of the new generation...
1 reply -
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Increasing capacity of given turbine
Steam turbines are designed for specific output. The input i.e. steam at designed pressure & temperature if increased by say 10% whether the output will increase...
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