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Harmonic Cancellation
Transformers
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DELTA /
INTERCONNECTED STAR Vector Group DZ0 0 deg Phase Shift K Rating
available from K1 upto and including K20
| KVA rating |
upto 750 KVA |
| Impedance |
4% approximately |
| Input voltage |
from 190 volts to 660 volts (other voltages
on request) |
| Output voltage |
from 190 volts to 660 volts (other voltages
on request) |
| Input configuration |
Delta |
| Output configuration |
Interconnected Star 4 wire neutral point
grounded |
| Taps |
available upon request |
| Construction |
dry type, double wound, naturally air
cooled, common core, varnish vacuum impregnated and tropicalised. |
| Windings |
Copper |
| Neutral conductor rating |
200% |
| Frequency |
50 and 60 Hz |
| Insulation class |
H |
| Insulation system |
180 deg |
| Average temperature rise |
125 deg |
| Enclosure type |
sheet steel ventilated enclosure to IP22 |
| Enclosure finish |
Stoving grey (other colours may be available
on request) |
| Flash test |
3000 volts each winding to earth and each
other. |
| Electrical noise attenuation |
dual electrostatic copper shield |
| Ambient temperature |
0 to +40 deg C |
| Storage temperature |
-15 to +50 deg C |
| Operating Humidity |
0 to 90% |
| Construction standards |
BS171 & BSEN60076 pt1 & 2 |
K Factor 20
Model
No. |
kVA |
Approx. Dimensions
(mm)
Height Width Depth |
Approx.
Weight |
Approx.
Fe |
Losses
Cu |
| HCT20-Z15 |
15 |
810 |
780 |
375 |
290 |
185 |
1.200 |
| HCT20-Z25 |
25 |
850 |
900 |
400 |
385 |
260 |
1,500 |
| HCT20-Z50 |
50 |
1,000 |
950 |
450 |
620 |
430 |
2,700 |
| HCT20-Z75 |
75 |
1,100 |
1,150 |
525 |
1,050 |
800 |
3,100 |
| HCT20-Z100 |
100 |
1,150 |
1,375 |
650 |
1,225 |
1,000 |
3,600 |
| HCT20-Z150 |
150 |
1,350 |
1,400 |
700 |
1,625 |
1,500 |
3,950 |
| HCT20-Z250 |
250 |
1,450 |
1,500 |
750 |
2,200 |
2,100 |
7,200 |
| HCT20-Z350 |
350 |
1,450 |
1,700 |
800 |
2,600 |
2,500 |
9,500 |
| HCT20-Z500 |
500 |
1,550 |
1,800 |
950 |
3,100 |
2,900 |
14,000 |
K Factor 13
Model
No. |
kVA |
Approx. Dimensions
(mm)
Height Width Depth |
Approx.
Weight |
Approx.
Fe |
Losses
Cu |
| HCT13-Z15 |
15 |
750 |
780 |
375 |
275 |
170 |
1,050 |
| HCT13-Z25 |
25 |
820 |
855 |
415 |
365 |
235 |
1,500 |
| HCT13-Z50 |
50 |
900 |
1,050 |
500 |
600 |
400 |
2,600 |
| HCT13-Z75 |
75 |
1,100 |
1,150 |
550 |
800 |
560 |
3,000 |
| HCT13-Z100 |
100 |
1,100 |
1,350 |
625 |
1,150 |
950 |
3,400 |
| HCT13-Z150 |
150 |
1,200 |
1,375 |
650 |
1,300 |
1,300 |
3,800 |
| HCT13-Z250 |
250 |
1,450 |
1,500 |
725 |
2,000 |
1,900 |
6,600 |
| HCT13-Z350 |
350 |
1,450 |
1,650 |
750 |
2,450 |
2,200 |
7,500 |
| HCT13-Z500 |
500 |
1,500 |
1,750 |
825 |
3,050 |
2,800 |
10,500 |
K Factor 4
Model
No. |
kVA |
Approx. Dimensions
(mm)
Height Width Depth |
Approx.
Weight |
Approx.
Fe |
Losses
Cu |
| HCT4-Z15 |
15 |
730 |
745 |
350 |
250 |
150 |
930 |
| HCT4-Z25 |
25 |
800 |
830 |
400 |
330 |
200 |
1,380 |
| HCT4-Z50 |
50 |
950 |
890 |
450 |
555 |
300 |
2,000 |
| HCT4-Z75 |
75 |
1,100 |
950 |
500 |
730 |
430 |
2,600 |
| HCT4-Z100 |
100 |
1,150 |
1,150 |
525 |
1,050 |
800 |
3,000 |
| HCT4-Z150 |
150 |
1,150 |
1,375 |
650 |
1,225 |
950 |
3,600 |
| HCT4-Z250 |
250 |
1,300 |
1,450 |
700 |
1,570 |
1,100 |
6,000 |
| HCT4-Z350 |
350 |
1,450 |
1,500 |
750 |
2,200 |
2,100 |
7,500 |
| HCT4-Z500 |
500 |
1,450 |
1,700 |
800 |
2,600 |
2,500 |
9,500 |
Typical figures based upon 415V / 415V. All Dimensions in m m Weights in
Kg. Losses in Watts E&OE |
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