Download - Daman and Diu Electricity Department, Government of ...
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GUARANTEED TECHNICAL PARTICULARS FOR 66 KV PTs.<br />
No. Description Particulars<br />
1. MAKE<br />
2. TYPE<br />
3. Rated primary voltage (KV)<br />
4. No. <strong>of</strong> Secondary winding<br />
5. Rated Secondary voltage (V)<br />
Winding-I<br />
Winding-II<br />
6. Class <strong>of</strong> accuracy & Rated burden<br />
(VA)<br />
Winding-I<br />
Winding-II<br />
7. Reference St<strong>and</strong>ard<br />
8. Oil conform to<br />
9. Rated voltage factor <strong>and</strong> time<br />
10. One minute power frequency withst<strong>and</strong><br />
test (dry) voltage (KV)<br />
11. One minute power frequency withst<strong>and</strong><br />
test (wet) voltage (KV)<br />
12. 1.2/50 micro second impulse wave<br />
withst<strong>and</strong> test voltage (KVp)<br />
13. One minute power frequency withst<strong>and</strong><br />
voltage on secondaries (KV)<br />
14. Reference Drawing<br />
15. Min Total Creep age Distance (mm)<br />
16. Surface treatment<br />
17. Class <strong>of</strong> insulation<br />
18. Temperature rise at 1.1 times rated<br />
voltage with rated burden.<br />
19. Max, ratio error with rated burden &<br />
5% normal primary voltage.<br />
20. Max phase angle error with rated<br />
burden & 5% normal primary<br />
voltage<br />
21. Variation in ratio & phase angle for<br />
variation in..<br />
a) Voltage by 1%<br />
b) Frequency by 1Hz.<br />
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