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PRESENTED BY: Santosh Tiwari
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Unit Logic.
Oil Elevation Logic.
Coal Elevation Logic
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Boiler purge logic
Master fuel trip logic
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o Any Scanner fan PR adq
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This is to save boiler tubes from running dry. Tconditions
prevail, 30% of TMCR flow is maintin boiler tubes.
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This is to save boiler from extreme high pressmain steam in case
of failure of safety valves
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This protection saves boiler tubes from damadue to high
temperatures. Boiler tubes maternot withstand the very high
temperature of 5
590 deg C for a long time. This high degree oftemperature may
result in joint failures and tuleakages.
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This trip protects the tubes from overheatinpotent failure. High
water wall tube temperaare an indication of over-firing, low water
wor a combination of both.
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Boiler is directly tripped on turbine trip protthat opens the
vacuum breaker like: Axial sand turb bearing vibrations very
high.
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It can be done before light up and No MFT condare present.
All HONVs are kept closed. HFO control v/v is openedis
closed.
HOTV is opened for 15 sec . When HFO pressure is 14then HOTV is
closed.
Now for 60 sec, trapped pr is monitored for any drop HONVs/HORV
leak test is successful, if pr drop is belo
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HORV is opened to drop the HFO pr to 10 kg andHORV is
closed.
Now for 60 sec, trapped pr is monitored for any rpr. HOTV Leak
test is successful, if pr rise is negli
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In AB elevation, only
HFO or LFO can betaken in service at atime.
In AB elevatioCombination oor LFO can be
in service at a
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For mill A
AB3/4 orFdr-B at 50% at BLI 30%
For mill B AB3/4 or
Fdr-A/C at 50% at BLI 30%
For mill C
AB3/4 orFdr-B/D at 50% at BLI 30% or
Fdr-B at 50% with AB
For mill D AB3/4 or
Fdr-C/E at 50% at BLI 30%
For mill A AB3/4 o
Fdr-B at 50% at BLI 3 For mill B AB3/4 o
Fdr-A/C at 50% at
Fdr-C at 50% at CD
For mill C AB3/4 o
Fdr-B/D at 50% at Fdr-B at 50% with A
For mill D AB3/4 o
Fdr-C/E at 50% at Fdr-E at 50% at EF
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Elevation-A voted no flame
Fdr-A Not in service
AA & AB 3/4 no flame (AB 2/4 no proven)
Elevation-B voted no flame
Fdr-B Not in service
AB & BC 3/4 no flame (AB 2/4 no proven)
Elevation-AA vote
Fdr-A Not in se
AA less than 2/4
Elevation-A voted
Fdr-A & B Not i
A less than 2/4 noproven)
Elevation-B voted
Fdr-B & C Not i
B less than 2/4 no
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AutoCAD, Promise, and the One-Step ALG provide tools for
automated applica
engineering programming tool to the ECS-1200 control system.
Applicationengineers use the AutoCAD with the Promise software
to define conalgorithmsin the formof CAD logic diagrams. The
Promise software runs as an a
to AutoCAD and allows users to set up various attributes for the
drawings and th
components. The information for each Promise project is
storedinan associated
databasethat is accessible toutilities of Promise.
After the logic diagrams for a particular application have been
completed, utilities
Promis e extract specified data from the database and produce a
set of report te
The One-Step software processes these report files and contents
ofthe AutoCAD
diagramsto produce two output files:anequation textfile and
logic graphic files. O
the equation text file is completed, anHFC compiler produces the
downloadable
application code.
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REMOTE 4 # ofPoints Bytes per Point Bytes tobroadcast # of
broadcastsAcbrDDB(DI,1,129) 129 2 258 0.275641026DDB(DO,1,288) 288
2 576 0.615384615DDB(FL,1,8000) 8000 0.125 1000
1.068376068DDB(TI,1,1000) 1000 5 5000 5.341880342DDB(CO,1,650) 650
2 1300 1.388888889DDB(MS,1,6000) 6000 2 12000
12.82051282DDB(DF,1,6000) 6000 2 12000 12.82051282DDB(BL,1,901) 901
8 7208 7.700854701DDB(DG,1,103) 103 6 618 0.66025641TOTAL
You can see that it takes 47 broadcasts for this remo
through the list a single time.
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DDB(DI,1,2000)
DDB(DO,1,2000)
DDB(MS,1,100)DDB(FL,1,14000)
DDB(CO,1,100)
DDB(TI,1,100)
DDB(BL,1,100)
FILTER(FL,999,8,1,FL,999,0,0)FILTER(DDB,1,2000,5,DI,1,8000,0)
FILTER(DDB,1,2000,1,DI,1,8000,0)
FILTER(DDB,1,2000,3,DI,1,8000,0)
FILTER(DDB,1,1370,11,BL,1,00000010,0)
Lines that begin with FILTE
this Remote will pull in from
and store in memory.
Lines that begin with DDB d
Remote will broadcast out o
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The sensor works with a Transceiver (transm
which is looking into the measuring pipe by m
hollow antenna with a frequency of 24 Ghz a
of approx. 3mW.
The transmitter sends in CW (Continuous Wa
thus a homogeneous high frequency field in t
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