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23-Jan-2008
The concept of entering into the prospect business avenues |
25-Jan-2008
The concept of entering into the prospect business avenues |
27-Jan-2008
The concept of entering into the prospect business avenues
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The commercial mains is prone to have disturbances such as sags, spikes, black-outs, voltage fluctuations which directly affects the power sensitive systems, mostly resluts in hard disc crash, program loss, configuration default, some times malfunctioning of sensitive program based devices also occur. In turn the use of Online UPS system is required very much.
UEL UPS system is of pure sine wave online comes out with most recent technology driven by high frequency circuits, thus ensuring greater efficiency and high reliability.
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| Input Voltage> |
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230VAC, 1Ph + 15 % - 20 %, 50 Hz ± 10 % > |
| Converter |
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Semi Controlled Full Bridge (SCR) |
| Protections> |
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HRC fuses at the input and snubber networks, Soft Start |
| DC Input |
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48V / 60V / 72V / 96V / 108V / 120V |
| Output Voltage |
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230V AC 1Ph + / - 1 % , 50 Hz + / -1 % |
| Output Wave Form |
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Pure Sinusoidal |
| Distortion |
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THD less than 3 % on linear loads |
| Power Factor |
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0.8 Lag to Unity |
| Transfer Time |
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NIL (True- Online) |
| Power Device |
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Mosfet / IGBT |
| Technology> |
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High Frequency PWM |
| Crest Factor |
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3 : 1 |
| Efficiency |
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> 85 % |
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| Overload |
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125 % for 3 mins, 150 % for 10 mins |
| Over Voltage |
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Inverter trips at 250 V AC 1Ph |
| Output Short Circuit |
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Inveter trips Instantly |
| Low Battery Trip |
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Inverter trips below the critical limit |
| Charger Current Limit |
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Constant Current Charging |
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| Visual |
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Mains ON, DC ON, Inverter ON, By pass, Battery Low, Output High, DC High, DC Low, Overload, Output Low. |
| Display ( Metering) |
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Output Volts, Input Volts, DC Volts, DC Amps, AC Amps, Frequency. |
| Audible |
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Mains Failure, Low Battery Warning. |
| Cooling |
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Forced Air Cooling. |
| Ambient Temperature |
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0 - 45° C |
| Relative Humidity |
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0 - 90 % Non Condensing. |
| Mobility |
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Castor Wheels. |
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| Automatic Bypass Facility. |
| Parallel Redundant Systems.(Hot Stand by ) |
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| Input Output Phase |
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3 Ph - 1 Ph / 3 Ph - 3 Ph |
| Input Voltage |
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400V AC, 3Ph + 15 % - 20 %, 50 Hz ± 10 % |
| Converter |
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Semi Controlled Full Bridge (SCR) |
| Protection |
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MCB at Input, Snubber networks, Soft Start |
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| DC Input |
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120V / 144V / 192V / 240V / 300V / 360V |
| Output Voltage |
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230V AC 1 Ph + / - 1 % , 400V AC 3 Ph + / - 1 % ,50Hz + / -1 % |
| Output Wave Form |
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Pure Sinusoidal |
| Distortion |
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Distortion |
| Transfer Time |
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NIL (True Online) |
| Power Device; |
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I GBT |
| Technology |
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High Frequency PWM |
| Crest Factor |
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3 : 1 |
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| Overload |
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125 % for 3 mins, 150 % for 10 ms |
| Over Voltage |
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Inverter trips at 250 V AC 1Ph |
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Inverter trips at 460 V AC 3P |
| Output Short Circuit |
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Inveter trips Instantly |
| Low Battery Trip |
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Inverter trips below the critical limit |
| Charger Current Limit |
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Constant Current Charging |
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