Waht is surge in compressors and how to control it?
Answer / muhammad ismael
When the downstream flow requirement of a compressor will increase, the pressure will decrease here and pressure on suction will increase. This may effect back flow in compressor or a physical damage also. On that time flow control system try to change the speed of Drive (Motor & Turbine) to match the new requirement of flow but speed of a large mass (Driver + Compressor) is not possible to change with in a short period of time. so, to avoid from surge a control valve used from suction to discharge or a valve used to blow the high pressure.
| Is This Answer Correct ? | 0 Yes | 0 No |
transmitter in 3 connection +,-,And test mode so how Use To Test Mode
Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.
how can you set a zero and span of transmitter?
What is voltage free(wet) and potential (dry) contact?
HOW TO CONVERT 0-60KG/CM2 PRESSURE TRANSMITTER TO A LEVEL TRANSMITTER? CAN WE ABLE TO DO IT? IF YES HOW TO DO IT BY USING HART?
what is the difference between 3,4 wire RTD sensor?
6 Answers HTA Instrumentation,
what u mean by speed control in turbin? how it was working?
how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???
what is modbus & what signals are taken through it
I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.
State 5 different method of level measurements.
can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)