ML18044A380
| ML18044A380 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 11/12/1979 |
| From: | Spinelli D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML18044A372 | List: |
| References | |
| PROC-791112, NUDOCS 7912310517 | |
| Download: ML18044A380 (10) | |
Text
..
ATTACHMENT 8 INSTALLATION Al.'1D CHECKOUT PROCEDURE
- c-010-00 for VALVE MONITORING SYSTEM Originator A)('V~~ Date 11/1~/ 1 Cf
"' ~(,.
.Reviewed By f) r I I 'N ; 1 ,.z.... Date* r 1/1z-/7r1 A~proved By/tdfJU .t.. ufB0:11l Oa te 11/t q-;'1
.t
'INSTALJ..ATIOII PROCf.DURE c-010-00 1 ~1..:.1 HINAit\' u:s*r. \LLAT!ON Th:fo section is a suggested installation procedure for the installation of t*1c l:inc driver/junction box assembly. the accelcr1lmcter mounting fixture, hardl.tne cable, and twistad-p.:iir c.ible wh~ch will allow.'the Valve Hcnitoring System to function properly. An ohmmeter or multimeter :.s required for testing. The otcpu should proceed as follows:
1.1 Install the line driver/junction box at tlie loc:i.tion specified. Remove the inner plate on which the lina driver l.S cvun:ed before welding the con-duit to the j.unction box.
1.2 Route **twi~tcd-pair cable from the junctior. box to the selected contaim:ent building penetration and from the outer side of the penetration to the VHS cabinet. Label each cable pcrm.tt~cntly at each end.
1.3 connect both cables to the penetration, observing polaritYt
NOTE~------------------------~
B&W standard practice is to use twisted-p3ir cable having a red and a black uire twisted together inside a co?C1on shield. "The red wire, labeled "?~," is altvays ccnsidercd signal :tigh and *vould be connected to the center conductor of a* mating coaxial cable; the black wire, labeled "B, 11 is always considered signal low and would.be connected to the shield of a mating coaxial cable. The shield lead is la-beled "S;" it is normally connected to system ground. In accord-ance with B&W drawings, the red wire ma.y be labeled S (signal) or l, and the black wire cay be labeled C (co:::!llOn) or 2. The shield will be labeled S or Sh.
l.4 Using =in ohml!leter, verify* that all c:ibles have been installed correctly.
Tha following proc~dure can be used as a guide:
?roper H~te~ connection Action meter indication Fault
- a. Red and black Shol:'t pair . <20 S2 A
- b. Red and blac.~ Open pair B
'"" /=,....*.11 ~
~200 HO E-~
- t 11-12-79 Page 1
c-010-00
- INSTALI..ATION PROCEDURE Proper Meter connection Action meter indic3.tion Fault
- c. Red and shield Short red <20 n . (;
and shield
<1:9=i~=EJ
- d. Red and shield.
- Open red >200 Mn D and shield
"&=!/
s
,- ~
I .
"B s
~.. 1 e .. !<cd and shield Short black >200 MS2 E and shield
~I Qs
~
R I
I B I HETER I
- f. Black and shield Short black .<26 n F and shield J:F:ll Q I I R
B s *nu
- g. Black and shield Open bbck >200 Mil G and shield tg=/II l ~
i s
s I I
- OB F.iults
- A- VcriCy by big number that the cable being shorted is connected to the acter. Either the-cable is m~~labe-leci or the red and/or black wires
. : :arc open.
B- The p31r is shorted at the penetration or the* cable is defective.
C- lC the preceding steps were* correct, either the shield continuity has not been established er the pdir_~olarity is reversed. Proceed co e.
D - Ttu~ red ~onduc:tor is shorted to the ~hield at the penetration or the c:sblc is duf i:ctivc. .
~ - The p:iir pol<lt'it.y ~as raversad :it the penetr.;iticn.
F - This condition c:.lnnot occur 1! ~11 p"recculnc stl:'ps ~ere correct.
C - Tlu: black cunductor is shorted to the shield .it. the pcnctr:ition or the c::able is dcf ~ctiva.
11-12-79 Pase :
- ~. . . . . . . '9 * - - - - - - - ...
C-010-00
- INSTALLATION P1!0CEDURE
.* 1.5 Connect a ring tarminal to each of the tr.ree wires at the ju::ction box:
location an:i to each of the three wir~s at the V!-!S cabinet location.
1.6 Route the proper length hardline cable through tha conduit bC:!t*,;ccm the accelcromet.?r mounting location .'.lnd the junction box. Extra cable* shol:ld be coiled in the junction box rather than left exposed at the acceleroc.etar location. The fiberglass sheath must not be damaged (allowing the outer conductor to contact the conduit or junction box). ~
l.7 Remove the nccass~ry insulation, and ~ount the selectad accelerometer mounting fi:v:ture. An acoustical coupling compound, such as ?yrogel, should be ur.ed be.tween the mounting fixture and the structu::-c on which it is mounted. Torque th.e mounting strap to 20 in-lb .
. l.8 If neces!lary, modify the geometry of the insulation coveri::.g the acceler-ometer to allow proper clearance for the acceleroi:.eter and l"iardline cable installation. The cable may be routed either between pieces of insulation
.* or.through a hole drilled through the insulation; however, the hardline
- cable fiberglass sheath must be protected from sharp* ed!;;2S. Encai;;ing the cable in a small metal tube inserted in a hole through the insulation will yrotect it adequately. The tube should be flared at the ends, and the flared ends should be smooth and free of sharp edges.
1.9 Temporarily reinst4ll Che insulation.
1.10.~ccelerometer installation is continued in part C.2. Each step must be
- *completed properly for a: calibrated installat:ion; it is necessary to have
~e VMS cabinet installed and to have the tes.t equipment i~stcd in part
'c.2 before the calibration is performed.
2 SENSOR INSTALLATION
'l'his portion of the procedure concerns the checkout of the accele::-ometer, bardline cable, the line driver, t~dsted-pair* cable, a:1d the signal conditioner.
The VMS must be installed in order to complete installation of the calibrated system.
2.1 Conditions
- 2.1.1. Plant Activities A. Plant iri cold shutdown and access to containment is possible for the sensor and line driver ins~allation.
B. Plant at power for the final checkout.
2..1.2 Prerequisites
- 11-12-79 A. Shop checkout complete
- B.
c.
Cable runs have been con1pleted and chcckc d out:.
Prenmplifiar enclosure box installed.
!'age 3 .,,
. ~-
- !NS!ALLATION PP..OCEDURE c.. 010-00 2.2 Special Precautions 2.2 *.l Observe standard electrical and safety P.ractices.*
.* 2.2.2 Observe standard radiation work practices for in-containment work *
!Q!!: Applic3ble portions of .this procedure should oe repeated
-when redundant ~ensors are installed or multiple valves are being J'lOnitored.
2.3 Procedure 2.3.l Attach the ~tinted-pair cable to the proper terminals at the VUS
. eabinet and to the teminal block in the junction* oo-x.
CAUTION: Polarity must be observed. Failure to do so will damage the line driver.
2.3.2 Apply pot-Ter to the Valve Honitor System.
2.3.3 Set the following instrument settings:
FILn:RS OUT SENS 10.0 FS Range lOg 2.3.4 Connect a sine lYa.ve generator to the "CAL input and adjust for 10~ ~v
@lkHZ.
2.3.S . Verify DC output i.s 5 VDC .+/- 1%. If not, refer to Tech Manual Section 4.5 Step 4.5.6.
2~3~6 Verify meter reading of 100%.
2.3. 7 Verify output is l V RMS +/- 1%. If not-, refer to Tech Manual Section
- 2.3.8 Verify that an undistorted lkBZ sine wave having an amplitude of l V mis is measured at. the "OUT" connector.
2.3. 9 Connect output of. VM to input of Audio Monitor. Increase the audio monitor voliuie until the signal can be heard at a comfortable listening.
level.
2.3.10 The speaker output should be a clear, undistorted, lkllZ tone~ If not, 11-12-79 1:9age 4
.~INSTALLATION PROCEDURE c-010..;oo
.=.~***
see audio monitor' section Technical Manual.
2.3.ll Adjust the sine wave generator output to 10 UV RMS.
2.3.12 Adjust the HI Alarm level to. position 1 .
2.3.13 Increase the sine wave generator output amplitude until the alarm 1s actuated.
2.3.14. Verify the alarm is actuated.
2.3.15 Verify the sine wave generator is 20m V RMS+/- 101..
2.3.16 Disconnect the sine wave generator from the Valve Monitor.
2.3.l? Attach the hardline cable to the line driver; a tight connection must be maintained. A rotting compound should be used to seal the connection.
Record the model and serial numbers of the line driver.
2.3.18 Identify the accelerometer by model, serial number, and sensitivity.
Record this data.
2.3.19 Short the inner conductor of the accelerometer microdot connector
~Q the outer portion of the connector.
2.3.20 Install the acceleroaeter on the vibration calibrator.
2.3.21 Attach the hardline cable. to the acc~lerometer. Adjust the calibrator for lg RMS output.
2.3.22 Connect the oscilloscope input and the voltmeter to t1:ie VU "OUT" connector.
2.3.23 Set the VM controls as follows:
HP Otrr LP OUT P.s. Range lg 2.3.24 Adjust sensitivity dial to obtain VM output, as observed on the volt-meter, of lV RMS +/-. 17. and observe with oscilllscope that the output is an undi:ltorted sine wave with no s.ignal contamination. Record sensitivity di~ setting.
Page S
. 11-12-79
. *
- TALLA'I'!ON PROCEDURE c-010-00 2.3.25 Repeat steps, 2.3.17 thr~ugh 2.3.24 for the redundant accelerometer.
2.3.26 Connect the tape recorder to all VM"OUT" connectors.
(Optional, connect spectrum analyzer to "OUT" connector of channel to be impacted)
- 2.3.27 Install the _accelerometers on the mounting blocks; torque to 18*in. lb. (20 kg-cm or 2.0 Nm). An a-coustical coupling compound, such as Pryogel, should be used betwe~n the accel~rometer and the mounting block.
2.3.28 Set the spectrum analyzer (if used) for the 0 to 25 kHZ range.
Set valve monitor for ~ormal operation.
2.3.29 Adjust FS range to prevent* clipping. Impact the valve by striking w~th a*m~tal hammer.
- 2.3.30 Record the signals on the tape recorder or the resultant spectrum by photograph or X-Y plot for.later comparison.
Repeat steps 2.3.29 and 2.3.30 for rema~ning valves being mon~tored. The tape recorder d~ta will be used to determine the crosstalk values for setting of the alarm setpoint.
2.3.31 Verify that the impact is heard over the audio monitor and that an alarm is not generated. If not, see Technical Manual.
NOTE: This completes the installation at cold shutdown conditions. The remainder of the procedure should be completed with the unit at power.
2.3.32 Connect the spectrum-anaiyzer to the "OUT" connector of the valve monitor and set the analyzer for the 0 to 25 kHZ range *.
The tape reocrder may be used as i~ step 2.j.26 for futute reference.
2.3.33 Obtain and record by photograph or X-Y lot the spectrum for the normal background. noise level of the 'plant.
ll-12-79 Page 6
STALLATION PROCEDURE *c-010-00 2.3.34 Compare this spe~trum with the spectrum obtained ~n step 2.3.30.
2.3.35 From this comparison determine.the valve's most responsive region and the desired oand pass and resultant HP and LP filter oreak frequancies
.. and record these frequencies.
2.3.36 Set the valve monitor as follows:
FILllRS OUT F.S. RANGE lOg 2.3 * .37 Connect the sine wav.e generator to the "CAL". input of VM.
Mon:itor tne "OUT'.' output of the VM with the voltmeter. Adjust the out-put of tne generator at the center frequency' of the desired "bandpass to obtain l. 0 V RMS output.
2.3.38 Set the sine wave generator to the previously determined low pass oreak frequency.
2.3.39 Switch in 1.1' filter aud adjust LPf pot on rear of r.iodule for a read~ng of .707 on voltmeter.
2.3.40 Svitch *out 1.P filter. Set the sine wave generator to the p"reviausly deterlllined high pass break frequency.
~.3.41 Switch in EP fil,ter and adjust HPf an rear of module for a reading of .707 ou voltmeter.
2.3.42 Disconnect al1 test equipment. -
2.3.43 Svitch 1.P filter ~n and set the high alarm to "the value
- det:er:ll:i:ned by the crosstalk determination~ From crosstalk da1:a
- develo-ped se*t alani setpoint so adjacent valves will not alar:s based on e:-pec;t:ed valve blowdo,~n magnitude. If blowdown value not knov*use conservative value of 2000g. set setpoint at twp (2) ti~es ex~ected crosstalk magnitude not to exceed SOg.
aecord this value.
ll-12-79 " Page 7
- ~sTALLATI~N PROCEDµRE c-010-00 2.~.44 Set the FS range to be consistent with the alarm value and low alarm setpoint. The system is now ready for operation.
2.4 Equipment *
- 2.4.l Function Generator 2.4 .* 2 Digital Multimeter
- 2.4.3 Oscilloscope
- 2. 4. 4 Spectr,um Analyzer and/ or Tape Recorder 2.4.S Vibration Calibrator 2.4.6 Impactor 2~4.7 Banding tools 2.4.8 Potting compound 2.4~9 Acoustical coupling compound Pyrogel or equivalent References l* Operating and Instru~tion Manual~ Unholtz-Dicki~ Corporation, Hamden,* Connecticut *
- ll-12.-79 Page .8
.... \
- . . .ru=;TALL\TIOH PROCEDURE
- DATA c-oio-oo PROCEDURE r.EQUIRED ACTUAL IUITIALS .
STEP VALUE
- VALUE REMARKS 2.3.5 5 v DC
-+ 1% ..
2.3.6 10()% + 2% .. .. *
- ':,,I*.**
. v ~.MS + L': **
~-
2.3.7 1 .. ' . '\
2.3.8 Undistorted 1 KIIZ 2.3.10 Clear undistorted tone 2.3.14 Audible alam .. .. ' . ' . ... ' .. *. . .
- ... .. 2.3.15. 20 mV P.MS + 10% > . : .. 1 Active Pass~vel
. 2.3.17 Hodel IJ I ..
.. Serial fJ I 2.3.18 Hodel !! 1
. . Serial fJ I .... .... ..,...
Sensitivity I **-~'l**
2.3.24 l.o v mm
+ ll Sensitivity. dia.1 J. ....
- Signals and/or 2.3.30 Spectrum recorded .
2.3.31 Audible Uo Alarm 2.3.33 Spectrum recorded ., ..
2.3.J:S *LP Break Freg._ rolZ
- HP BrP.::lk Freq._ ~!Z 2.. 3 ~43 * *lII alarm Setpoin~ *. *.
- 'l'hese values provided from etimparison of spectrums' in Step z. 3. 3~
Date
Revieued By: Date
- . ~*
11-12-79 Page 9