]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 1/5)5 [7_D[2008-3-25] 220kvGI S_|,,| Guide of site testing of 220kv GIS 1 .]}[|,, Voltage Drop Measurement of Main Circuit 2.SF6j,|, Density relay Check 3.GI S||,,,j Compartment Leakage Check 4 .GIS|SF6],, Humidity Measurement 5 .|jj[| Earthing Check 6 .VCT.CTj[,|,,, VCT and CT Testing7. SA,,j[,|,,,Surge Arrester Testing 8 .[[,|]|,,, Circuit Breaker Function Testing9 .]}[,, Control Circuit Check 10. ]}[,|'|',, HV Testing of Main Circuit 11. ,, HV Cable Testing 12 .GIS[jjj,]||j,, Remote Control Check

]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 2/5)5 [7_D[2008-3-25] ).]}[|,,Vol t ageDr opMeasur ement of Mai nCi r cui t Purpose: To check whether the connection is good according to the default values. The default values are listed on operation manual and factory routine test reports. Testing equipment: Primary test system. 1.,,[j,GIS])_[||]||;||y[;[]]])GIS;)]|]}[|,,)j'=_}]] 2.,,|,|],|100A);Programma ]| 3.||,,|]j][||||j|[],|]j,|||))j].,| 4.],)3] 4.1.]E01E02Q8[}[|]j[E01||,)_}[|]j 4.2.]E01E04Q8[}[|]j[E01||,)_}[|]j 4.3.]E05E02Q8[}[|]j[E01||,)_}[|]j 4.4.]E05E04Q8[}[|]j[E01||,)_}[|]j ]{]],}[j,]|}[|],|)|]] ).SF6j,|,Density relay Check Purpose: To verify the preset value of density relay is consisted with design. Testing equipment: Density monitor test set 1.,,[|,SF6j,|"|)|||y|"j|^] 2.,,|, SF6j,|,| 3.,,|^||SF6 '[j|,( 4.,,GIS;)j,||, ).j,,|,,,) Compar t ment LeakageCheck Purpose: To check the leakage rate of gas compartment. Testing equipment: Leak-seeker 1.,,[j[||.|;[|,)]_,||][] 2.,,|, j|;LS-790Bj| 3.,,|^||][|^|+;0.5% 4.,,GIS|,;))||[j|,j[|j]j ,j ;)jj|]j|,j[| );j] ;));j]j]}[(24}))]j]]SF6j}j,,]+

]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 3/5)5 [7_D[2008-3-25] |).],,)) Humi di t yMeasur ement Purpose: To check gas humidity of gas compartment. Testing equipment: Dew-point measurement. 1.,,[j[GIS[SF6[],)]]jSF6[j||, 2.,,|, ]j]|;DP19 3.,,|^']|`,][]||j]|||{],)|^[]H|,150PPM,250PPM 4.,,)=;||'24})|]}||'j.'|,jPPM ).|jj[Ear t hi ngCkeck Purpose: To check the tightness of earthing connection. Equipment: Torque wrench. 1.,,[ j[GI S|j||y ?.,,|, j 3.|^||]|j 1.,,||]|jj[GI S|j|]|j||y ( ).VCT.CTj[,|,,,VCTandCTTest i ng Purpose: To check the character of VCT and CT. Testing equipment: Character measurement device of transformer. 1.,,[ |CT.PT[|, CT,,CT].|,.||, PT,,PT].|,.|||, ?.,,|,],|,],| 3.|^CT.PT[].|,[|||CT||,.PT|||,[||jPT_|))]][{[[{)|||,j[[j|][ 1.,, ]CT])CT]))]]])[) ]PT]PT])10KV')]]']|])[|j)CT.PT|,'[|||,| CT||,.PT|||,)]]|] ).SAj[,|,,,Sur geAr r est er Test i ng Purpose: To check the character of Surge Arrester. Testing equipment: Character measurement device of Surge Arrester.

]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 4/5)5 [7_D[2008-3-25] 1.,,[|SA[|, ]j),,[]_',| j[j,,]j,(| ]GIS|.]_'[],) 2.,,|, j),,|,],| 3.|^] j),,[]_',||{`,|[| j[j,,(,,(||y 4.,, jGIS|)_,,[|'])]';_]|,|], GIS|{)__|GIS|,, |!.,,];_|||]|;_|jGI S.?.j],,j|j[|,,|,,];|PT||,|,jn|,;|,,,}j,,j[)]]j`,).3.)_||j]|,_||,,,,,,|,)|^ /).[[,|,,,.|;||j;],,Ci r cui t Br eaker Funct i onTest Purpose: To check the character of circuit breaker. Testing equipment: Breaker analyzer system. 1.,,[],[[,.{}[]][j)jOCO]|]|[)';y][_j|}[.|;.]|j;{]_|)]j[]|]||[|],,[ 2.,,|, [[,],|;TM1600(010A 3.,,|^ [[,}[{60ms ])T4 ms 21ms ])T2 ms '_][}[120s [[,_j|6A/DC110V.3A/DC220V. |;}_(3A/DC110V.1.5A/DC220V. ]|j;}_(6A/DC110V.2A/DC220V. 4.,, 4.1 ]j]|j;])]j],|(,[[,|]|j;[|j|)]|j;|[];}[.])}[ 4.2 [;[[,_,jjj'j|j]||[),j|=|)']_]][_j|}[ 4.3 )[[,']_;|;)`(]']_j| );_;|;)`(}]|/|j;|]|j;)]]_j| 4.4[[,]||][)[;_][[,|OCO][j[

]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 5/5)5 [7_D[2008-3-25] ).]}[,,Cont r ol Ci r c ui t Check Purpose: To check the reliability of control circuit. Equipment: Digital multimeter. 1.,,[j[|}[|_|]||y||;||).|)[||,] 2.,,|, ]j(.1KVj]| 3.,,|^||j](j)])[]|_ 4.,,}[|j[}|+]j[[}[ ]CT.PT]}[]||;j[)CT];[PT])[ ).]}[,|',,HVTest i ngof Mai nCi r cui t Purpose: To verify the insulate capability of GIS. Testing equipment: HV testing device. 1.,,[_|j,GIS|]j|'.;}'|]'[,[||)}(1))]|',, 2.,,|, ]j(.,,',.,,jj|.|| 3.,,|^_|,,j{]|^[80% 4.,,jj[ 4.1._||,,|{[|j{;[),PT[GIS|),,))) A.jj[PTj||,(PT||| B.]PT]]PT| C.j||PT];}||]| D.j]),, 4.2.{;[),,[GIS|),, 4.3.|))j24}jj 4.4.j[]|CT]}[|)[|j 4.5.|GISjj|]|.GIS]|j'])|,] 4.6.,,j.,,||}.,,)GIS]}[|j 5.,, 5.1.]||j;|j|; 5.2.j],GIS]}[||,,j/)[| 5.3.|[|[|'|',,|]|,,,; 5.4.)3KV)[)'j,,');j|'63.5KV|13)]]GIS[]j,,|['/),)'||;.|]j;[]j,,');,,'184KV},'|);|]GIS[A.B.C|||',,]|]|,,})|||(|j 5.5.,,|||,)|,,;)GIS}[)[|j 5.6.)|,,;)],)|,,)[|

]ABB |';||,) ABB High Voltage Switchgear (Xiamen) Co.Ltd Page 6/5)5 [7_D[2008-3-25] ).|'220KV,110KV,,HVCabl eTest Purpose: To verify the insulate capability of HV cable. Testing equipment: HV testing device. !.,,[j[[|, ?.,,|,j)]j] 3.,,|^|||'[||^|| 1.,,|GI S}]y|[24})|,,')7,][)7,[)_ [|[|;,||;|[GI S]|'|]) ).GI S[jjj,]||j,,Remot eCont r ol Check Purpose: To check the reliability of remote control. Equipment: Digital Multimeter.

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