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Study of conduction and induction phenomena in electric
Study of conduction and induction phenomena in electric

... IV. INSERTION OF VOLTAGE SOURCES A voltage generator is defined as a local source of radiation, i.e. as an additional electric field , for which an integration on a closed loop is not zero. With first order basis functions, the by using: voltage is related to the electric field at a node ...
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... close to the device, is recommended to improve transient response and noise rejection of the power supply as a whole. A higher-value input capacitor may be necessary if large, fast-rise-time load transients are anticipated and the device is located several inches from the power source. The TPS715xx ...
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UCC2961 数据资料 dataSheet 下载

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... ranges from about 25 Ω to 400 Ω. Producing reasonable cables that are easy to work with outside this range of impedances can be difficult, but specialized custom cables may be possible to create. If the load is primarily resistive in this range, then it is easy to match the load impedance to the cab ...
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... breakers, self-protected starters, and manual motor controllers, have a slash voltage rating rather than a straight voltage rating. A slash voltage rated overcurrent protective device is one with two voltage ratings separated by a slash and is marked such as 480Y/277V or 480/277V. Contrast this to a ...
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... reverse-biased condition of the substrate-well junction. We therefore conclude that the first and second power supplies must apply voltages to the well and substrate, respectively, so as to enable the reversebiasing of the substrate-well junction. NeoMagic argues, however, that the district court er ...
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... to the converter state variables makes the design of a WITCHING converters can be represented taking part feedback loop suitable for large-signal operation particuof a class of feedback systems as illustrated in Fig. 1. larly difficult. In order to avoid the discontinuous conducThe basic operation o ...
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MAX97220A–MAX97220E Differential Input DirectDrive Line Drivers/Headphone Amplifiers EVALUATION KIT AVAILABLE

... Note 2: 100% production tested at TA = +25NC. Specifications over temperature limits are guaranteed by design. Note 3: Dynamic specifications are taken over 2.5V to 5.5V supply range. Inputs AC-coupled to PGND. Note 4: The maximum differential input signal does not cause any excess distortion due ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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