Power Supply For Bestec Atx0300D5Wc Upgrade Antec Earthwatts
The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. Find many great new & used options and get the best deals for HP Bestec Liteon 585008-001 ATX0300D5WC PS-5301-08HA 300W Power Supply 20-4 at the best online.A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear300 Watt UL Power Supply Bestec ATX-300-12EB3 Power Supply Bestec ATX-300-12ED Power Supply Bestec ATX-300-12ZCDR Power Supply Dell PowerEdge 1500SC Power Supply 300 Watt Fanless Power Supply FSP300-60GNF-R 350 Watt UL Power Supply Dell F5114 350 Watt Power Supply Upgrade 437800-001 HP Power Supply upgrade Antec Earthwatts EA-380D GreenA power supply is an electrical device that supplies electric power to an electrical load. Calculations based on a single component will not accurately portray the wattage needs of your. For an accurate calculation and product recommendation, please input components for an entire system. How much wattage do you need for your PC build This tool will help you select a suitable power supply unit for your system.
Linear power converters process the input power directly, with all active power conversion components operating in their linear operating regions. These are popular in consumer electronics because of their safety the hazardous 120 or 240 volt main current is transformed down to a safer voltage before it enters the appliance body.Power supplies can be broadly divided into linear and switching types. An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet a wall wart is an external supply integrated with the outlet plug itself. An integrated power supply is one that shares a common printed circuit board with its load. Rack mount power supplies are designed to be secured into standard electronic equipment racks. Open frame power supplies have only a partial mechanical enclosure, sometimes consisting of only a mounting base these are typically built into machinery or other equipment.
The resulting DC voltage is then switched on and off at a high frequency by electronic switching circuitry, thus producing an AC current that will pass through a high-frequency transformer or inductor. For example, in some battery charging applications, the power supply consists of just a transformer and a diode, with a simple resistor placed at the power supply output to limit the charging current.In a switched-mode power supply (SMPS), the AC mains input is directly rectified and then filtered to obtain a DC voltage. In some applications, ripple can be entirely ignored. The electric load's tolerance of ripple dictates the minimum amount of filtering that must be provided by the power supply.
Typically, the resulting reduced AC voltage is then rectified, filtered and regulated to produce a constant DC output voltage.The output voltage is not isolated from the mains. To circumvent these problems, some computer switch-mode power supplies perform power factor correction, and may employ input filters or additional switching stages to reduce line interference.Capacitive (transformerless) power supply A capacitive power supply (transformerless power supply) uses the reactance of a capacitor to reduce the mains voltage to a smaller AC voltage. Furthermore, customers incur higher electric bills when operating lower power factor loads. In simple switch-mode power supplies, the input stage may distort the line voltage waveform, which can adversely affect other loads (and result in poor power quality for other utility customers), and cause unnecessary heating in wires and distribution equipment. A very small low-power dummy load such as a ceramic power resistor or 10-watt light bulb can be attached to the supply to allow it to run with no primary load attached.The switch-mode power supplies used in computers have historically had low power factors and have also been significant sources of line interference (due to induced power line harmonics and transients). Switched-mode supplies with protection circuits may briefly turn on but then shut down when no load has been detected.
Linear regulators can also reduce the magnitude of ripple and noise on the output voltage.An AC power supply typically takes the voltage from a wall outlet ( mains supply) and uses a transformer to step up or step down the voltage to the desired voltage. To circumvent this, some power supplies use a linear voltage regulator to maintain the output voltage at a steady value, independent of fluctuations in input voltage and load impedance. Furthermore, when an unregulated DC power supply is the energy source, its output voltage will also vary with changing input voltage. In addition, they often provide a current limiting function to protect the power supply and load from overcurrent (excessive, potentially destructive current).A constant output voltage is required in many power supply applications, but the voltage provided by many energy sources will vary with changes in load impedance. Taken together, these constraints limit practical uses of this type of supply to low-power applications.The function of a linear voltage regulator is to convert a varying DC voltage to a constant, often specific, lower DC voltage.
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