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TENDER FORM FOR 5, 15 & 25KVA 11000/250 TXS
TENDER FORM FOR 5, 15 & 25KVA 11000/250 TXS (PARTICULARS OF EQUIPMENT) 1 2 3 4 ITEM Description Schedule 1 (KPLC) Sc
TENDER FORM FOR 5, 15 & 25KVA 11000/250 TXS (PARTICULARS OF EQUIPMENT)
1 2 3 4
ITEM Description   Schedule 1 (KPLC) Schedule 2(TENDERER)
1 Quantity      
2 transformer KVA 5,15,25  
3 System frequency HZ 50  
4 Transformer external paint   Dark admiralty grey colour No. 632 as per BS 381C  
5 Corrosive environment   high  
6 Dimension a) overall height b) overall length c) overall width total mass   Mm Mm mm   Manufacture    
7 Tank type   sealed  
8 Tank sealing; bolted or welding   bolted  
9 Under-base   flat  
10 Lifting lags a) for cover b) for tank c) for core     Required Required required  
11 termination   Open bushing  
12 Position of HV bushing   On top cover  
13 High/medium-voltage bushing a) material/colour b) creepage distance c) phase to earth clearance d) phase to phase clearance   low –voltage bushings a) material/colour b) creepage distance c) phase to earth clearance Terminal: stem &nuts or clamp double Arching horns     Mm           mm   Brown porcelain Specify Specify Specify     Specify/brown Specify specify   clamp to be provided on HV bushing  
14 Cooling method   ONAN  
15 core-type   Lamented stackings (CORE-TYPE)  
16 Core clamping   Steel cross-arm  
17 HV winding   Full coils of electrolytic copper  
18 LV winding   Electrolytic copper coils, copper foil or aluminum foil.  
19 Primary voltage Secondary voltage V V 11000 250  
20 Rating of low-voltage neutral terminal, if other than as specified.   As phase terminal  
21 NTLC tap changer range   +5%  
23 Losses corrected to 75c as clause 5.4: a) no-load losses b) full load cu losses c) full load total losses d) 40% loading e) 50% loading f) 75% loading g) 125% loading transformer efficiency at unity power factor, rated voltage and full load (75 c)   W W W W/% W/% W/% W/% W %   Manufacture to specify








 
24 Impedance voltage, if other than as specified. a) maximum tap b) nominal tap c) minimum tap %   As clause  
25 External &inter insulation  level(PF/LI) a) high/medium – voltage b) low-voltage   KV KV   38/95 5/NA  
26 Number of copies of routine test result to be provided   two  
27 Detail of previous certified type test result serial numbers for: (i) short-circuit withstand (ii) sound level determination (iii) transformer leakage test (iv) bill (v) power frequency   withstand (vi) temperature rise test   Certified type test report required ti be submitted.  
29 Additional test during acceptance;BIL   KVC Requirement to be performed in addition to factory inspection and acceptance test.  
    APPENDIX A-2   TENDER FORM FOR 25KVA 33000/250 TX (PARTICULARS OF EQUIPMENT)
1 2 3 4
Item Description   Schedule 1(KPLC) Schedule 2(TENDERER)
1 Quality      
2 Transformer rating KVA 25  
3 System frequency HZ 50  
4 Transformer external paint   Dark admiralty grey colour no.632 as per BS381c  
5 Corrosive environment   high  
6 Dimensions d) overall height e) overall length f) overall width Total mass   Mm Mm Mm kg   Manufacture  
7 Tank type   sealed  
8 Tank sealing;bolted or welding   bolted  
9 Under-base   flat  
10 Lifting lags d) for cover e) for tank f) for core     Required Required required  
11 Termination   Open bushing  
12 High /medium-voltage bushing e) material/colour f) creepage distance g) phase to earth clearance h) phase to phase clearance  low-voltage bushing d) material/colour e) creepage f) phase to earth clearance terminal: stem & nuts or clamp double arching horns     Mm           mm   Brown porcelain Specify Specify Specify     Brown porcelain Specify Specify Clamp To be provided on bushing  
13 Position of HV bushing   On top cover  
14 Cooling methods   ONAN  
15 Core type   Laminated stacking  
16 Core type   Steel cross-arm  
17 HV winding   Full coils of electrolytic copper  
18 LV   Electrolytic copper coil, copper foil or aluminum foil  
19 Primary voltage Secondary voltage V V 33000 250  
20 Rating of low- voltage neutral terminal, if other than as specified   As phase terminal  
21 NTLC tap changer range   +5%  
23 Losses corrected to 75 c as clause 5.4: h) no-load losses i) full load cu-losses j) full load total losses k) 40% loading i) 50% loading m) 75% loading n) 125% loading transformer efficiency at unity power factor, rated voltage and full load(75 c)   W W W W W W W W %   Manufacturer to specify







 
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