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| HOME > PRODUCT INTRODUCTION > UPS |
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| ITEM |
Competitor - Double Conversion |
3 LEG UPS |
| SCR Rectifier |
All IGBT |
Input Voltage Range
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+/- 15 % |
+/- 15 % |
+/- 35 % |
| Output Voltage Regulation |
+/- 2 % |
+/- 2 % |
+/- 2 % |
| Input Power Factor |
0.7 ~ 0.8 |
more than 0.99 |
more than 0.99 |
| Efficiency (Total) |
less than 82~83 % |
less than 80% |
88% @ typical |
| Frequency Stability |
Independent of Line |
Independent of Line |
Independent of Line |
| Battery Life |
Poor |
Poor |
Good |
| Transfer Time |
none |
none |
none |
| Size |
1 |
1.2 |
0.9 |
| Cost |
Medium |
High |
Medium |
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