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Technical Comparison of On-line vs. Line-interactive UPS
Technical Comparison of On-line vs. Line-interactive UPS

... supplies AC output with power from the battery. The input voltage range of the power interface is usually a fixed window, typically -30% to +15% of nominal. For example, a lineinteractive UPS with 120V nominal output voltage will keep its output between 107 V and 127 V while the input varies from 84 ...
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... These are independent of the reactive load. The switching time depends on the discharging devices of the capacitors, so that it is determined by the capacitor system. In most cases, switching times 40 s and 20 s are used. Switching time 40 s / 4 s cap decreases overcompensation in case of capacitive ...
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... Power factor is an energy concept that is related to power flow in electrical systems. To understand power factor, it is helpful to understand three different types of power in electrical systems. Real Power is the power that is actually converted into useful work for creating heat, light and motion ...
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...  A low gate drive power tending to 0  A low gate drive voltage tending to 0  A low gate drive current tending to 0 • Both turn-on and turn-off must be controllable. Thus, it must turn on with a gate signal and must turn off with another gate signal • For turn-on and turn-off, it should require a ...
10th Int`l Symposium on Quality Electronic Design
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... rapidly with increasing frequency. Consequently, this type of interconnect behaves as a low pass filter which can be utilized as a buck converter rectifier. In this manner, the high frequency harmonics of the AC signal at node A are filtered, producing a DC signal at node B. The distributed low pass ...
AN-34 - Pumpkin, Inc.
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... TI Parallel-port MSP430 Flash Emulation Tool MSP-FETP430IF The TI parallel-port based Flash Emulation Tool is plug-and-play compatible with the CubeSat Kit, regardless of the voltage at which the Flight MCU operates. This is due to the internal design of the MSP-FETP430IF, which combines four separa ...
J.M. Rivas, J. Shafran, R.S. Wahby, and D.J. Perreault, New Architectures for Radio-Frequency dc-dc Power Conversion, IEEE Transactions on Power Electronics , Vol. 21, No. 2, March 2006, pp. 380-393.
J.M. Rivas, J. Shafran, R.S. Wahby, and D.J. Perreault, New Architectures for Radio-Frequency dc-dc Power Conversion, IEEE Transactions on Power Electronics , Vol. 21, No. 2, March 2006, pp. 380-393.

... 100 : 1) from a variable input voltage, and must regulate the output in the face of rapid and unpredictable load and input variations. However, existing circuit topologies capable of operating efficiently at high frequencies are not well matched to these requirements. These topologies use a continuo ...
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AC adapter



An AC adapter, AC/DC adapter, or AC/DC converter is a type of external power supply, often enclosed in a case similar to an AC plug. Other common names include plug pack, plug-in adapter, adapter block, domestic mains adapter, line power adapter, wall wart, power brick, and power adapter. Adapters for battery-powered equipment may be described as chargers or rechargers (see also battery charger).AC adapters are used with electrical devices that require power but do not contain internal components to derive the required voltage and power from mains power. The internal circuitry of an external power supply is very similar to the design that would be used for a built-in or internal supply.External power supplies are used both with equipment with no other source of power and with battery-powered equipment, where the supply, when plugged in, can sometimes charge the battery in addition to powering the equipment.Use of an external power supply allows portability of equipment powered either by mains or battery without the added bulk of internal power components, and makes it unnecessary to produce equipment for use only with a specified power source; the same device can be powered from 120VAC or 230VAC mains, vehicle or aircraft battery by using a different adapter.
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