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| About Uninterruptible Power Supplies (UPS) |
What is an On-Line UPS?
The on-line UPS provides the highest quality of power protection by incorporating a double-conversion technique, whereby power coming in to the UPS is converted from AC to DC. Power is then conditioned and converted back to AC at the output of the UPS. There is no transfer or switching time since power actually runs through the battery system. By isolating the input from the output, on-line UPSs provide true sinewave power to attached equipment that is clean and free of any power anomalies.
Minuteman manufactures the Continuous Power series of on-line UPSs. Within this product line are units that include the following VA ratings:
500VA - 1KVA - 2KVA (220V only) - 3KVA - 5KVA - 6KVA - 8KVA - 10KVA
The ferroressonant UPS design is perhaps the most misunderstood. This design, while frequently marketed as an "on-line" UPS, is truly a stand-by system. This type of UPS employs a ferroressonant transformer where the inputs are both the incoming line and the inverter, with both going to a common output. The ferro transformer stores a small amount of electrical energy, allowing the unit to ride through brief power interruptions until the inverter can start up. The ferro transformer is a good filter and regulator. However, being a resonant device, the output tends to sometimes fatally degrade when the input parameters drift from the required resonant values
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Customer Quotes |
"Our art and livelihoods are at the mercy of the AC power...the E1100 Minuteman UPS is the answer."
--- Zoro, world renowned musician
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