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 |
|
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 |
|
|
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 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 ( |
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 BS |
|
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 |
|
|
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 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( |
W W W W W W W W % |
Manufacturer to specify “ “ “ |
|
The relevant information: