Electronic equipment faces serious risks from power surges and fluctuations. These unexpected power problems and voltage fluctuations can destroy critical applications and wipe out valuable data. The damage often runs into a large amount of money when power interruptions happen and sensitive equipment gets compromised. Online UPS systems convert incoming power and deliver an uninterruptible power supply to your devices. These UPS systems help avoid interrupting the continuous power supply during outages.
How an Online UPS System Works
The online UPS system's double conversion process makes it highly effective against power problems. This system (also called double-conversion UPS) sets itself apart from other UPS types. Online UPS systems completely isolate your electronic equipment from raw utility power through a continuous two-step conversion process.
The power entering the online UPS first goes through a rectifier that converts AC power to DC power. This DC power charges the internal batteries and feeds the inverter component simultaneously. The inverter converts this DC power back into clean AC power that flows to your connected devices. This continuous AC-DC-DC-AC conversion creates a perfect sine wave output, whatever the input power quality might be.
Power failures don't disrupt the system. The rectifier simply drops out of the circuit while the batteries keep supplying DC power to the inverter without any break. Your connected equipment never experiences any transfer time because the inverter continues working. The rectifier starts working again and recharges the batteries once normal power returns.
This system's complete isolation from power problems makes it exceptional. An online UPS protects against:
- Blackouts and brownouts
- Voltage sags and surges
- Frequency variations
- Harmonic distortion
- Electrical noise and interference
Frequency regulation stands out as the most important advantage of online UPS systems. This feature becomes crucial with backup generators that often show frequency variations during startup. The double-conversion process will give a stable output frequency, whatever the input fluctuations.
Online UPS systems work perfectly for mission-critical applications where even microseconds of downtime could corrupt data or damage equipment. The power quality from an online UPS surpasses other technologies because it regenerates the sine wave completely instead of just conditioning the incoming power.
A true online double-conversion UPS delivers 100% power conditioning and better transient suppression than line-interactive models. This makes it the preferred choice to protect large data centers and critical infrastructure.
Key Features That Prevent Power Fluctuation Damage
Online UPS systems stand out from simple power strips or surge protectors because of their advanced protection features.
An online UPS system with AVR maintains nominal output voltage during brownouts and surges without depleting battery reserves. This technology uses an autotransformer that switches between powered coils when utility power varies. The magnetic field increases or decreases to produce a stable output voltage. Your critical equipment receives consistent power even during minor fluctuations.
Power conditioning capabilities strengthen an online UPS system's protective arsenal. Connected loads stay protected from surges, spikes, lightning strikes, and power disturbances. This continuous conditioning helps prevent premature equipment failure and extends the operational lifespan of expensive components in mission-critical applications. Best online UPS systems include additional features such as:
- Double/ triple conversion.
- Pure sine-wave output that perfectly simulates utility power for sensitive electronics
- DSP/ MCU intelligent control.
- IGBT rectifier technology.
- Adjustable voltage transfer points that maximize battery life by optimizing input voltage windows
- Temperature-compensated battery charging that extends battery lifespan by regulating charge voltage
- Inbuilt isolation transformer.
This complete set of protective features ensures your critical equipment receives emergency power under all conditions.
Conclusion
Your organization needs reliable power protection when it depends on electronic equipment. Online UPS systems protects connected equipment against power problems through double conversion technology and advanced features like AVR. They offer uninterruptible power supply for your equipment from fluctuations, surges, and outages. As one of the trusted online UPS suppliers & dealers, Supra Hi-Tech offer top-notch online UPS system that provides a high level of power protection. Our online UPS systems come in digital, HD, linear, and HFD series. While our digital series UPS systems are available in capacities of 1KVA - 10KVA for Single Phase, 5 KVA - 30KVA for Three Phase In - Single Out, and 5KVA - 300KVA for Three Phase In - Three Out, HD series comes in capacities of 15 KVA - 300 KVA for Three Phase In - Three Out. Supra has high-performance online UPS systems that are suitable for a wide range of applications. Whether it is for home appliances, critical appliances, or industrial equipment, get in touch with us.
