Answer / saurabh

MFT means Master Fuel Trip. In MFT all running  Oil gun / coal mill,PA fan tripped and fuel stopped.
MFT will act in following Condition 
1. Both ID fan Tripped
2. Both FD fan Tripped
3. Both APH tripped
4. All Feed water Pump tripped.
5. All BCW Pump Tripped
6. Drum Level LL
7. Drum level HH
8. Furnace Pressure LL
9. Furnace Pressure HH
10. All Flame Lost
11. All Fuel Lost
12. NO ignition after purging >30 min
13. Air Flow < 25 % & Load > 30 %
14. Turbine Tripped & Load > 30 %
15. MFT button
16. Flame Scanner cooling lost
17. All PA fan stopped & any Mill running 
18. Sparking Failure > 3

Answer / uddipan sarkar

MFT means Main Fuel Trip. It is basically a shut off valve
which shuts off the oil flow to the gun in a burner of a
boiler.It is acted when any of the trip interlocks of a
boiler is satisfied.

under which situation or why restricted earth fault protection operates in out side its zone that is external fault

2 Answers  

---

what is the difference between kg/cm2 to MMWC

2 Answers   Ansaldo,

---

What is indipendant power plant

2 Answers  

---

What is df/dt protection?, How to calculate setting range of 30 MW steam generator???

1 Answers   DS Sugars, MEMF,

---

Power plants are called CPP,IPP,LLP What is the meaning of it? And tell me some other type of powerplant names.

1 Answers  

---

what is CT saturate?and which effect on CT after its saturate?

4 Answers  

---

what's interlock relay ?

3 Answers   International Mega Food Park Limited, National Power Training Institute NPTI,

---

Calculating Seawater consumption for SWFGD system

1 Answers   Student,

---

What will happen if id fan on boiler not functioning?.Can the Boiler run without id fan? What is the effect?

4 Answers  

---

Why we need to maintain furnace and secondary air dp.if it increase or decrease what happens.

1 Answers  

---

voltage and frequency is equal but synchronisation not complete why?

1 Answers  

---

What is wheel chamber in steam turbine?is it impulse blades are called wheel chamber in the steam turbine?

1 Answers  

---