khaled hamza
@khaled-hamza-qmyNzA Member
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Posted #Threads
Air Ejectors (2 of 3)
[FONT="]Air Ejectors (2 of 3)[/FONT] -An air ejector or steam ejector is a device which uses the motion of moving fluid (Motive Fluid) to transport another...
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Posted #Threads
CONDENSER – AIR EXTRACTION EQUIPMENT ( 1 Of 3 )
[FONT="]CONDENSER – AIR EXTRACTION EQUIPMENT[/FONT] - Turbines are designed for a particular operating conditions like steam inlet pressure, steam inlet temperature and t...
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Replied #Threads
Boiler (master fuel trip)
ok ishutrope I will explain each object of MFT , to understand the impotance of each one.
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Posted #Threads
Boiler (master fuel trip)
Steam Generator ( boiler ) is very important equipment at thermal power units , Boiler is the steam supply for the unit to rotate the turbine's...
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Pressure Measurement
[FONT="]Pressure Measurement[/FONT] -A major concern in process control applications is the measurement of fluid pressure. The term fluid means a substance that can flow; h...
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Cascade Control Loops
[FONT="]Cascade Control Loops[/FONT] -The general concept of cascade control is to place one feedback loop inside another. In effect, one takes the process being controlled...
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Low cost efficient water level detector switch
you can use a contactor for switching the motor on or off , and get a level switch ( limit switch ) in series with the...
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On/Off Control
[FONT="]On/Off Control[/FONT] - Suppose a process operator has the task of holding the temperature, T, near the desired temperature, Td, while making sure the tank doesn't....
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General Requirements of a Control System
[FONT="]General Requirements of a Control System[/FONT] The primary requirement of a control system is that it be reasonably stable. In other words, its speed of response.....
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steam rankine cycle..
-I am Khaled Hamza , I work at power plant which produce electricity about 350MW -I want to add something to your words , that the...
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Posted #Threads
Elements of a Process Control System
[FONT="]Elements of a Process Control System[/FONT][FONT="][/FONT] INTRODUCTION -The term automatic process control came into wide use when people learned to adapt...
3 replies -
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Generator Temperature Rise Test
[FONT="]Generator Temperature Rise Test[/FONT] From a few days, we have made a test on the Generator’s windings (Stator and Rotor), this test accomplish the temperature ris...
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Turbine Supervisory Instruments
[FONT="]Turbine Supervisory Instruments[/FONT] The following supervisory instruments are furnished with the unit and are to be observed during start-up, operation and shutd...
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load factor v/s diversity factor
Utilization Factor In normal operating conditions the power consumption of a load is sometimes less than that indicated as its nominal power rating, a fairly common...
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Boiler AIR AND FLUE GAS SYSTEM
[FONT="]Boiler AIR AND FLUE GAS SYSTEM[/FONT] "We talked before about HITACHI Boiler Overview (Steam Generator), we mentioned the characteristics of the boiler, Parameters of...
2 replies -
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Hydrogen !!! THE Best COOLING MEDUIM
look , my friend As we said before ,Hydrogen is very dangerous and explosive , if Air % at Hydrogen at a closed chamber is about...
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Generator Loss of Excitation Relay (40G).
about the substation Grounding , there is many ways to make earthing. but we should know the principle of grounding , That we put a big...
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Generator Loss of Excitation Relay (40G).
Mr.Arp Look at the picture above , you can see that the Excitation Cubicle is supplied by the A.C. Voltage Power from the Generator. So at...
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Replied #Threads
Generator Loss of Excitation Relay (40G).
look Mr.Freak DPR1 , DPR2 --- are abbreviations for "Digital Protection Relay #1 and #2 " It is the relay cubicle which we put all the...
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Replied #Threads
Generator Loss of Excitation Relay (40G).
You are right , the generator has three phase winding in Star connection , at the center of the three phases , there is a point...
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Condensate Polishers at Power Plant
[FONT="]Condensate Polishers at Power Plant[/FONT] “This article is talking about the functions of Condensate Polishers at Power Plants , and Their Types accordi...
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Generator Overvoltage Relay (59 G)
[FONT="]Generator Overvoltage Relay (59 G)[/FONT] Overvoltage shouldn’t occur on a generator fitted with an automatic voltage regulator. Overvoltage may be cau...
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Replied #Threads
Generator Loss of Excitation Relay (40G).
HELLO FREAK , how are you , now ? i see your inquiries m and i will try to understand you and give you the answer....
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Posted #Threads
Boiler (Steam Generator
[FONT="]Boiler (Steam Generator)[/FONT] -The boiler for 1,094 t/h MCR is Single Drum Radiant Natural Circulation Boiler “ELPASO” Type which has s...
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Posted #Threads
Generator over Fluxing Relay (24G)
[FONT="]Generator over Fluxing Relay (24G)[/FONT] -The relay measures the ratio of voltage to frequency (V/Hz) as this ratio is proportional to the flux-density level of t...
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Posted #Threads
Feed water pump hydraulic coupling _video
FEED WATER PUMP HYDRAULIC COUPLING Eighty Percentage 80% of thermal power plants has boiler feed pump , that takes the water from the feedwater system (...
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