2020年5月13日(水)
Correct various common utility power
Popular UPS brands: APC, Microtek, Hyundai, Intex, Moserbaer, HP, Numeric, iBall, and more.
Types of UPS:
Modern UPS systems can broadly be classified into:
â'¢ On-line UPS: This type of UPS uses a â''double conversionâ'' method of accepting AC input, rectify to DC and then pass through the rechargeable battery, then invert back to 120/230V AC to power the protected equipment.
â'¢ Standby UPS: Under this UPS system, the backup power circuitry becomes active only when the utility power fails, until then the main load is powered directly by the input power. Also the on-battery runtime of most UPS is relatively short around 5-15 mins but sufficient to bring an auxiliary source on line or shut down the protected equipments such as computers, data centres, telecommunication equipments or any other equipment where main power disruption can cause grave business disruption or data loss.
UPS Vs an Auxiliary Unit:
A UPS differs from an auxiliary or an emergency power system in terms of instant protection it offers to the protected device as opposed to an auxiliary device that may encounter interruptions with batteries or diesel requirements.
Most UPS can correct various common utility power supply problems such as power failure, surge (momentary reduction in input voltage), sag, spikes (brief high voltage excursion), noise, frequency instability, and harmonic distortion.
An Uninterruptible Power Supply or Power Source, commonly referred to as UPS is an electrical device that provides emergency power to a load in the absence of the main power supply. UPS units vary in size from units meant to serve a single computer to large units with video screens that serve entire data centres, buildings or even cities.
â'¢ Line-interactive UPS: In case of main power failure, this device maintains the inverter in line and redirects the batteryâ''s current DC path from the normal charging mode to supply current.
Types of UPS:
Modern UPS systems can broadly be classified into:
â'¢ On-line UPS: This type of UPS uses a â''double conversionâ'' method of accepting AC input, rectify to DC and then pass through the rechargeable battery, then invert back to 120/230V AC to power the protected equipment.
â'¢ Standby UPS: Under this UPS system, the backup power circuitry becomes active only when the utility power fails, until then the main load is powered directly by the input power. Also the on-battery runtime of most UPS is relatively short around 5-15 mins but sufficient to bring an auxiliary source on line or shut down the protected equipments such as computers, data centres, telecommunication equipments or any other equipment where main power disruption can cause grave business disruption or data loss.
UPS Vs an Auxiliary Unit:
A UPS differs from an auxiliary or an emergency power system in terms of instant protection it offers to the protected device as opposed to an auxiliary device that may encounter interruptions with batteries or diesel requirements.
Most UPS can correct various common utility power supply problems such as power failure, surge (momentary reduction in input voltage), sag, spikes (brief high voltage excursion), noise, frequency instability, and harmonic distortion.
An Uninterruptible Power Supply or Power Source, commonly referred to as UPS is an electrical device that provides emergency power to a load in the absence of the main power supply. UPS units vary in size from units meant to serve a single computer to large units with video screens that serve entire data centres, buildings or even cities.
â'¢ Line-interactive UPS: In case of main power failure, this device maintains the inverter in line and redirects the batteryâ''s current DC path from the normal charging mode to supply current.
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