silica gel for transformer specification pdf

<<17A2BE1F9126E24CA4ACB46DA4A01B51>]>> 0000002445 00000 n 0000003068 00000 n <>/Metadata 829 0 R/ViewerPreferences 830 0 R>> endobj trailer C 0000066734 00000 n 0000069650 00000 n In their pure form, silica gel beads & crystals are transparent and slightly whitish. 0 0000000996 00000 n 0000041381 00000 n 5 0 obj /OPM 0 96 0 obj <> endobj 0000063074 00000 n 0000070195 00000 n 0000063806 00000 n ;?^(!H JKlQ;^9- E-F{"xLj"0VKgy0=%"@Je 0000064172 00000 n The porous silica gel, in beaded form, has a high adsorption rate and traps water or moisture content in its surroundings. 0000006272 00000 n 0000073290 00000 n :gli8VyJ>YuFh)V@bX_h5]Au 7w.4agjj=-;\ =6 Z*b41q=l*BLip-xlm%#=Ab1-U 0000066551 00000 n 0000004429 00000 n 0000041707 00000 n 6 0 obj <> 0000071287 00000 n 67 0000065270 00000 n 0000066917 00000 n 0000072924 00000 n The purpose of the insulation oil is to safeguard all parts of the transformer from current surges. 0000065087 00000 n endobj <> <>stream cx`4#?evk|%FM6{P=jYhyFYCc=+Ncd.mOa]hhqV3|a;W<=c%X,*)U6LUU>>Z-winn>QqFWc?uON;\5c2jIx]g6p_\d%|g^o s^iY87k5|jjvfel@n;vkx1K qjoj.obTrQ\qsj(;-?c i&k(fU6_eB+7+GQ^$vvLT?<14tgZk*hTS} fTT5,Xg*ka$9n-$[p28?Ztcs}h_8,%8*VCC{KA,E=4zMh`11sK|S7I]Pm5 xe 0000048081 00000 n 0000003806 00000 n endobj <> 10 0 obj 0000010576 00000 n 3 0 obj 0000003739 00000 n =z.D] s9kqrjmF4h6MN~T6Gs m{Gcy}~7? 0000000016 00000 n 1 0 obj 0000002371 00000 n But one most valuable advantage of silica gel is that it is reversible. 0000066002 00000 n W3gLC#u!MMMEvAmsFVNAGLwA,llsn+!B". 0000003046 00000 n 0000007696 00000 n 0000067283 00000 n 0000024367 00000 n 0000023842 00000 n endstream endobj 106 0 obj<>stream x+T034R0 A#9K?\!342W5163P5P013T042(Pp /SMask /None 0000063440 00000 n 0000068560 00000 n Many features of silica gel account for this application. 0000001023 00000 n %PDF-1.7 0000063257 00000 n trailer <<6de3711870a211d9a38c000393cae0a0>]>> startxref 0 %%EOF 50 0 obj<>stream All Rights are Reserved. 173 0 obj << /Linearized 1 /O 176 /H [ 2743 325 ] /L 94698 /E 73987 /N 2 /T 91119 >> endobj xref 173 96 0000000016 00000 n %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz >> 6wX!kYR*_Qy)'_?ABK;YQuyi|[-`gYT? 0000067100 00000 n % 0000016370 00000 n 0000068196 00000 n The heat from the hot transformer oil gets started dissolved in the air. 0000008996 00000 n HDN@`a.. 0000041750 00000 n endstream endobj 97 0 obj<>/Metadata 5 0 R/PieceInfo<>>>/Pages 4 0 R/PageLayout/OneColumn/OCProperties<>/StructTreeRoot 7 0 R/Type/Catalog/LastModified(D:20111122103809)/PageLabels 2 0 R>> endobj 98 0 obj<>/PageElement<>>>/Name(HeaderFooter)/Type/OCG>> endobj 99 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/Properties<>/ExtGState<>>>/Type/Page>> endobj 100 0 obj<> endobj 101 0 obj<> endobj 102 0 obj<> endobj 103 0 obj<> endobj 104 0 obj[/ICCBased 115 0 R] endobj 105 0 obj<>stream Such contact of oil and air with moisture may affect the purity of the oil and thus may damage its insulation parts. stream By adsorbing the moisture content from its surroundings, these desiccant crystals help to keep the medium dry. /N 4 /ca 1.0 @.`'FpD;kJPZFG^zqWFqG:7kcgL $$/-h~lL! X] x=8 X >.f#aPn D^{y8 dpH st:Yc xc IV?S!:_9[YbQP~+rA )JnoFVumy^G_4W. 0000001411 00000 n yI5rrn3C+" ])OZ2rd$u1ibZ`iPZP[OxeY#J Pi When the current through the transformer increases, the heat dissipated is more. endobj 0000001338 00000 n 0000071106 00000 n 7 0 obj 9 0 obj 0000005390 00000 n << Thus the air from the insulating oil gets trapped in the conservator top section. <> <> <> % /Filter /FlateDecode /Length 389757 It is thus used as a desiccant or drying agent in many scenarios. 0000068377 00000 n 0000073471 00000 n Color-changing silica gel make it easier to detect the saturation percentage and decide upon the necessity of dehydration. <> /CA 1.0 ry :kRpSBsae5[dWm90&YV?X#px7t|_.PrIy4D( w/;j+=Es}M&u8A0k5+Ju1DmcNEsoGv&5Njx3M}P MK Qy They are manufactured by keeping in mind the requirement of the application as per the industry standards. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The affordable rates and quality products make us the most trusted store for silica gel beads & crystals, over the last years. xbbbd`b`` 0000025344 00000 n xYUH&% 0000070561 00000 n Thus there are majorly two types of silica gel desiccants, indicating and non-indicating. 0000023651 00000 n 0000073107 00000 n (jxeFO)@zN. The arrangement is placed inside the transformer conservator and includes a pot or tube filled with fresh silica gel. 0000008168 00000 n 0000045403 00000 n w !1AQaq"2B #3Rbr 4 0 obj With various levels of quality and security checks, the desiccants are made to perfectly suit every application as the breather transformers. 0000003666 00000 n HUnF}G{JUB|i$,YUN*.9s,_;yyKM}A>?K`ZZq)pj(?/i$Ihq endstream 0000025551 00000 n 0000005412 00000 n endobj 0000072377 00000 n 0000069833 00000 n 8 0 obj l_ @ Pj3p0L@l ` k= endstream endobj 49 0 obj<> endobj 51 0 obj<> endobj 52 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>>> endobj 53 0 obj[/Separation/PANTONE#20Red#20032#20CVC/DeviceCMYK 60 0 R] endobj 54 0 obj[/Indexed/DeviceCMYK 255 59 0 R] endobj 55 0 obj<> endobj 56 0 obj<>stream 4 0 R -`R>1[Q)VQr b}3YWGi'2fa1]TfLn,/S"#m 10 0 obj %PDF-1.4 B)fD/E *" HuTKtKKJI,t(4K%H4J#(H endobj 0000015899 00000 n 0000066185 00000 n 0000065819 00000 n 0000016142 00000 n } !1AQa"q2#BR$3br Silica gel desiccants used in power transformers might be highly saturated and may require thorough reactivation. 0000007546 00000 n startxref 0000008190 00000 n By protecting the insulating oil, silica gel assures insulation to the entire transformer parts. stream 0000017525 00000 n 0000001832 00000 n ;,o0~7p.qmn^QY~f[D~&%-*N}%R{}Oq-oUg81/Eu6mpE6h? 5 0 obj Adobe d C 0000071651 00000 n 0000066368 00000 n Note: Specifications are subject to change without prior notice. 0000012356 00000 n 0000005282 00000 n q-H[!'%@#j*g,p4 G305dJ(fij6ZsN)'9eCC#7X9hSyy`*7jk}e.F kHY$L?fN2 "zCJ9ep~(nhm_c|$'m|oDd;oJXJ]|.Y6IT7TT___.6-^QZ,{4iR0uD(D>V!bL>|/5mJE'IFx;z%WMDM(`}gILA& 0000001676 00000 n 48 0 obj<> endobj xref 48 17 0000000016 00000 n 0000004379 00000 n When the crystals or beads of silica gel adsorb the moisture, their color turns from blue to pink. 0000007175 00000 n 0000007282 00000 n << 0000072741 00000 n %PDF-1.2 % Few of its routine applications include the silica gel sachets in electronics packets, shoe bags, medicine boxes, etc. 0000006971 00000 n 0000006209 00000 n 0000072560 00000 n We supply customized quantities of the silica gel, all across India. Moisture from the insulation oil can make the crystal bed saturated. wqyy~3g<3 Y9El endobj Get this drying agent and improves the function of breather transformer. 0000006630 00000 n 0000071832 00000 n endobj $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? 0000002608 00000 n HWn"/6G] 1beK^{df$Edl! 9 0 obj 0000002915 00000 n KCdEr"%q j^d1^71F8!$-?m,/JCW{Q!QtI The indicating silica gel will turn color depending upon the percent of moisture adsorbed. 0000004349 00000 n This is placed above the oil level, to remove maximum moisture from the air. 0000001152 00000 n [V"=AEa%> <> 0000070925 00000 n HT]K@}Dtm\M|Z%&)vgl(sOWSLjz9c;==>xL2+/\3A,WLyNRd/c&y/. 0000067649 00000 n /Contents 5 0 R endstream endobj 129 0 obj<>/Size 96/Type/XRef>>stream HlUkPWG8fhzv70>7". >> 0000070744 00000 n 0000002743 00000 n <> 4 0 obj transformers for controlling the level of moisture and prevents it from entering the equipment. 0000001224 00000 n endobj IZ Y#M)0]x:QNwAn0cb=$ YQ)V >"Q\pE>*V\V70-mo.~ AI5XM3IQ9)0EqCF.$#Q0[GQm@G1P{/vYu/xg}ePs_ y endstream endobj 57 0 obj<> endobj 58 0 obj<> endobj 59 0 obj<>stream Swambe Chemicals is the manufacturer and supplier of quality silica gel used as the breather transformer in range of applications. OjwMG>TO*s3@goOwY=o,u9 stream Silica gel adsorb moisture from their medium and nearby substances by trapping the water molecules in their pores. 6 0 obj xA 0#D Silica gel is available in range of grades and mesh sizes that make it a perfect adsorbent for air breathers. stream 0000001459 00000 n H=n1{bO K".b7.R9AHIDkxfo(o?}|tb/Bc. ,/K{\-kAy L?ij[DzZo When the temperature decreases, the volume is increased, and the trapped air flows back into the insulation oil. 0000008709 00000 n Hb```f`=A@lV !@ A5Xx$X00d`AqCT&Ic[ \ZX9D42: q4rk@\`.P1 5`c,cL@,Z -a`0.(0 ;4P endstream endobj 268 0 obj 203 endobj 176 0 obj << /Type /Page /Parent 172 0 R /Resources << /ColorSpace << /CS3 189 0 R /CS4 178 0 R /CS5 177 0 R >> /XObject << /Im58 209 0 R /Im59 210 0 R /Im60 211 0 R /Im61 212 0 R /Im62 213 0 R /Im63 214 0 R /Im64 215 0 R /Im65 216 0 R /Im66 217 0 R /Im67 218 0 R /Im68 219 0 R /Im69 220 0 R /Im70 221 0 R /Im71 222 0 R /Im72 223 0 R /Im73 224 0 R /Im74 225 0 R /Im75 226 0 R /Im76 227 0 R /Im77 228 0 R /Im78 229 0 R /Im79 230 0 R /Im80 231 0 R /Im81 232 0 R /Im82 233 0 R /Im83 234 0 R /Im84 235 0 R /Im85 236 0 R /Im86 237 0 R /Im87 238 0 R /Im88 239 0 R /Im89 240 0 R /Im90 241 0 R /Im91 242 0 R /Im92 243 0 R /Im93 244 0 R /Im94 245 0 R /Im95 246 0 R /Im96 247 0 R /Im97 248 0 R /Im98 249 0 R /Im99 250 0 R /Im100 251 0 R /Im101 252 0 R /Im102 253 0 R /Im103 254 0 R /Im104 255 0 R /Im105 256 0 R /Im106 257 0 R /Im107 258 0 R /Im108 259 0 R /Im109 260 0 R /Im110 261 0 R /Im111 262 0 R /Im112 263 0 R /Im113 264 0 R /Im114 265 0 R /Im115 266 0 R >> /ExtGState << /GS2 202 0 R /GS3 204 0 R >> /Font << /TT3 186 0 R /TT4 183 0 R /TT5 184 0 R >> /ProcSet [ /PDF /Text /ImageC /ImageI ] >> /Contents [ 180 0 R 182 0 R 191 0 R 193 0 R 195 0 R 197 0 R 199 0 R 201 0 R ] /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 /StructParents 0 >> endobj 177 0 obj /DeviceGray endobj 178 0 obj [ /Indexed 189 0 R 0 208 0 R ] endobj 179 0 obj 859 endobj 180 0 obj << /Filter /FlateDecode /Length 179 0 R >> stream `!4Tl;_CD p endstream 0000063623 00000 n All power transformers have a conservator part, which holds the insulating oil for the transformer. 0000017604 00000 n 0000064355 00000 n 0000004718 00000 n %PDF-1.4 % aQ,&#$ Q*;;e,Pzp:-HO M45D.J@O?JX+>QnVXf*Ri An}qS u?KAE2P *3Xb*Kq,.MC(Drms]b)xRa+ZG\psZtaWaBQUZRD0.PEasO[1.3,{%pqBNH^]ZpL") R+NW-P*pT;[?;u 6j;yWMA?5k= 5;}JUHGK*QC`"|5Fs^(CN1t21(-3Ez- 5|896'! >> 0000065453 00000 n H$rP vmmm?c V,b&N HDH$a$$KJdHNaJR"u&5i.-!=3)#g"Kff! 4 0 obj endobj stream The crystals act as an adsorbent and adsorb the moisture content from the oil into its pores. 0000008973 00000 n 0000012379 00000 n <> 0000070014 00000 n qO'Mz3KT@v[NUnn^\o]abTrtlmE]e~U+jZ:zaqi5};CS[\_wCaQ1;>L$Lz}4:%8M7l/}XT^]X>\Ym[n!ycskk;v{pIs0X3s&$WWW*)!$$%!e$cHNOAKIMEq;KLw@YX;8^+DspfKOTCPpJ%D=++O%$*8IZ\Z^UK_wL"dx]} >9=;s_G8/N!Gz[|B}PQzlH0Wc(Een|Pds::5&89yFT"odi/ZK^&gd:fgQl kJeJ*+kj5U[ZUh0|em6]B@`PpH?QM1Ms*i.Z[JYZ)X-]Rw?@?5 'vNg %PDF-1.4 % This adsorbent has the ability to enhance the breather transformer efficiency by controlling the moisture to get entered into the transformer oil. 0000006078 00000 n The presence of moisture in the air causes the oil to be impure, and the impure insulation oil may damage the insulation parts, which will result in dangerous current leaks from the transformer. 0000063989 00000 n 0000000636 00000 n The crystal bed can be processed to remove water molecules and thus reused multiple times. 0000069469 00000 n 0000003083 00000 n ':X$?w3%#EjG_S3d'od"ROC+s";&PS\/Y{_z3'G g(K" `nR.~R12:" gmo?>}=i\Z D/WdT1)-11;t`LRm{u/[!v:5I 0000002238 00000 n %PDF-1.4 0000003842 00000 n <>endobj endobj Silica gel breathers are employed in transformers to avoid such situations. /SA true 0000065636 00000 n 1,e\~yz|=jKVrMRGoPz 0000070378 00000 n <> They are mainly useful in protecting the transformer oil from the damaging effects of moisture. 0000007911 00000 n 0000001393 00000 n 0000068924 00000 n x]oTGJQ*mnETM)V"vF@ @%|@ 1cmlcms.~y~osf}td;w{n:DKDKDKR.HI333(f-F/^RM FI ~cU$'>\BBh=tz9n)Le@ 0000004451 00000 n 0000016592 00000 n endobj With the current increment, heat degenerated into the transformer oil. Here, as the silica gel bed acts as a drying agent for the transformer insulation oil, it traps the moisture from the air released as a result of the transformer breathing. 0000001954 00000 n N)+AO]y,-&. 0000013229 00000 n 0000010553 00000 n 0000064904 00000 n 0000023396 00000 n 8 0 obj 1 0 obj 0000064538 00000 n /op false They are: Sorbead India is one of the leading producers of silica gel beads & crystals. S RESD1JT JL)\XeP.,OH*UrEU+UjU^QF1kNM^mA]Q>M ifiMijFiAkE1;c[:s{tkGu{3=]= 2|#3r2zc367"QL1LqL gOdp230k*9;y3?X8E9\c|-`BV,bej1f)kY+n\l^l]l]=[}>s 'rsg1 .).Jxr\xy[+k-=^^QOx|~W|}7[?=>#>3/ endstream endobj 61 0 obj<>stream 96 35 0000007506 00000 n 2 0 obj This way breather transformer inhales the air containing the moisture. Our main aim is to meet the needs of our clients by providing the silica gel with different specifications and different mesh sizes. H _-lmmlmy_@?7~|;/|3>=z75z^>r;6nr\:r+\2.r(G:sC :}m/{v]l';mlm+[6Mll#um-kZVUl%+Ze,?%,n1Zo>29n6f2Lo:2)Ln2&2 o21n4l$#3a_i(Ca0o ] endstream endobj 60 0 obj<>stream 0000015872 00000 n 0000014165 00000 n 0000072013 00000 n endobj 7 0 obj xref 7 0 obj The increased heat gets into the insulating oil, reducing its density and increasing the volume. trailer << /Size 269 /Info 170 0 R /Root 174 0 R /Prev 91108 /ID[<3fb184cddef2c3e8f64ba455b80a418b><42184efb1aef4c75085d2b16244e1ecf>] >> startxref 0 %%EOF 174 0 obj << /Type /Catalog /Pages 172 0 R /Metadata 171 0 R /OpenAction [ 176 0 R /XYZ null null null ] /PageMode /UseNone /PageLabels 169 0 R /StructTreeRoot 175 0 R /PieceInfo << /MarkedPDF << /LastModified (D:20030312132504)>> >> /LastModified (D:20030312132504) /MarkInfo << /Marked true /LetterspaceFlags 0 >> >> endobj 175 0 obj << /Type /StructTreeRoot /RoleMap 4 0 R /ClassMap 7 0 R /K 49 0 R /ParentTree 150 0 R /ParentTreeNextKey 2 >> endobj 267 0 obj << /S 48 /L 255 /C 271 /Filter /FlateDecode /Length 268 0 R >> stream To reactivate, silica gel is heated to 120 degrees Celsius for a minimum of 1-2 hours. 0000072194 00000 n /BM /Normal 0000069105 00000 n The indicating desiccant beads & crystals are widely used in breather transformers. 0000010614 00000 n endobj 0000040947 00000 n <> /Type /ExtGState /AIS false The oil runs through the length and breadth of the transformer. sKkx. In order to avoid such type of damage due to entry of moisture into the transformer oil, silica gel is used. Silica gel is used in breather 0000041184 00000 n <> % endobj 0000071468 00000 n 0000009730 00000 n E+{oD45*x06f%x@j 0000067830 00000 n 0000000943 00000 n This process will reactivate the entire silica gel bed by reducing moisture to below 2% by weight. But the desiccants are processed by impregnation to impart color-changing properties. 0000002679 00000 n =]+%/OoI2Hn6R)g:Zi 0000008127 00000 n 0000001535 00000 n << /Type /Pages /Kids [ mN1Nujan7@+{?1*F2^IPaB }}a Et~_]NLgo7r{wwa'j v|Tm,xll/Xn,^lS!@E`& k,jk m-FU_0Fw`XE\*UXf:#vTX2Q-;HjCVY3VX$J{ >> endobj 0000063018 00000 n 0000014142 00000 n xWMoF#T.`;I @*APiD7)H pwggWOB{'.?PZlQM' "N'9%H/ endobj Silica gel is the amorphous silicon dioxide in its crystal form. 0000007783 00000 n A silica gel breather design is simple and easy to install. 10 0 obj << /Length 11 0 R /Filter /FlateDecode >> stream ShHht^ '0kYXY9Yqqpl'WzEE$%D>,^|t*K)%/`\:&D[7dplDa5|mb4,yy{e5 3,t+whlA mk Thus it is considered one of the best desiccants in the market. Silica gel blue crystals and orange beads work effectively in this application. 0000064721 00000 n xb``g``] s3f fa8 a3003|`=B%A %%EOF 'V\O\>[eF.I-{V2^cs'o5Hcu,q[R%zv)WB$|~#;GG,N+8bS[#>+fVD/;K/M[m)aVwU zTsjFe w>(|M'|$[XI@gFQMEmX*1.H i{

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