Uninterruptible Power Supplies (UPS)
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Uninterruptible Power Supplies (UPS)
Specification :
•An uninterruptible power supply (UPS) is a crucial device designed to provide power to computers, servers, server rooms, and data centers during main power failures, electrical surges, or unexpected power outages. Easy to install, UPS systems contain a battery that ensures your computer systems continue to run for a specified period, allowing enough time to save work and safely shut down software. For a comprehensive understanding, refer to our complete guide on uninterruptible power supplies (UPS).
•Types of UPS Systems
•There are several types of UPS systems available:
1.Online UPS:
1.Converts AC input (utility power) to DC and reconverts it to stable AC using an inverter while constantly charging the batteries.
2.Provides continuous power without any interruption during power outages.
2.Standby UPS:
1.Normally outputs AC input (utility power) directly to connected devices.
2.During power outages or abnormal voltage, it switches to battery power via an inverter.
3.May experience a brief power break of a few milliseconds during the switch.
3.Parallel Processing UPS:
1.Supplies power from AC input (utility power) while a bidirectional inverter connected in parallel corrects voltage and absorbs noise.
2.Combines high efficiency and reliability through an online inverter (parallel) system.
4.Hybrid UPS:
1.Operates in three modes: double conversion, economy, and active filter mode.
2.Automatically selects the optimal power mode based on the power situation and load conditions.
3.Seamlessly shifts between modes without any interruption in output voltage.
4.Double conversion mode is used when power quality is poor, and economy mode is used when power quality is good.
•Choosing the Right UPS Device
•When selecting a UPS, consider the following factors:
•Backup time required
•Size of the UPS
•Number and type of communication ports
Specification :
| • Capacity | 3KVA / 2700W |
| • Input Voltage | (115~300)VAC ± 5 |
| • Input Frequency | 40Hz~70Hz |
| • Input Power Factor | ≥0.99 @ 100% |
| • Output Voltage | 220VAC ± 3% |
| • Output Frequency | 50Hz ± 0.25 (battery mode) |
| • Dimensions | 460x190x330 (MM) |
| • Charging Voltage | 82.1VDC ± 1% |
| • Battery Charging Time | 6 hours to 90% Maximum |
| • Charging Current | 1A |
| • Conversion Time | 0S |
| • Battery Model | 12V/7AH (6 units) |
| • Net Weight | 20.75KG |
| • Output Power Factor | 0.8 at 40°C ambient temperature |
| 0.9 at 30°C ambient temperature | |
| • Overload Capacity | 105%-150% for 47 seconds to 25 seconds |
| 150%-200% for 25 seconds to 300 milliseconds | |
| Above 200% for 20 milliseconds (output power factor 0.8) | |
| • LED Indicators | Load size |
| Battery capacity | |
| Mains mode | |
| Battery mode | |
| Bypass mode | |
| Fault indication | |
| • Battery Discharge | A beep every 4 seconds when mains power is lost |
| A beep every second when the battery is about to be exhausted | |
| • Operating Environment | Temperature 0°C to 40°C, |
| Humidity 20-90% (non-condensing) |
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