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Deflecting Torque, controlling torque , spring control method , gravity control , Damping torque - full concept

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primary distribution system full concept

 primary distribution system Essential circulation frameworks comprise of feeders that convey power from dispersion substations to appropriation transformers. A feeder typically starts with a feeder breaker at the conveyance substation. Numerous feeders leave substation in a substantial conduits and are directed to a close by shaft. Essential circulation works at the high voltage, for example, (3.3,6.6 and 11 KV).Primary appropriation is generally completed by 3-phase,3-wire system.Electric power from the producing station is communicated through additional high pressure transmission lines at voltage from 33 to 765 kv,to the substations.At the substations considered optional substations the voltage is ventured down to 11,6.6 or 3.3 KV with the assistance of force transformers for essential dispersion.  The 33/11 kV optional substations are typically situated in the space having load necessity of the request for 5 MVA and ordinarily an essential dissemination line or a feeder i...
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air preheater in thermal power plant - function , construction , working ,advantage , disadvantage

definition of air preheater air preheater increase the temperature  of the air. It is most commonly used in thermal power plant. And it is increase the efficiency of the boiler. Working of air preheaters (APH) 1. The hot fuel gas from the economist first enters the air preheater. Then those gases go through the tube to the chimney. The air mass then enters the preheater through the air inlet.  2.  Then both air and fuel gas flow in opposite directions.  3. baffles are provided in the air preheater to provide more time for exchanging heat from fuel gas to air   4. thus heat is absorbed by the air from the fuel gas. 5. this preheater air is supplied to the furnace.  construction   1. A tubular type air preheater is a large number of tube . 2. the fuel gas pass through the tube. 3. air flows over the tube. 4. baffles are provided to pass the air b number of time over the tube.  5. a soot hopper is provided at the bottom to collect the soo...
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