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CZECH TECHNICAL UNIVERSITY IN PRAGUE Distribuční sítě s
CZECH TECHNICAL UNIVERSITY IN PRAGUE Distribuční sítě s

... Conclusion of the case study ................................................................................................. 51 ...
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SPICE Modeling and Simulation of a MPPT Algorithm

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Full Text - ISSN: 1545

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Motor Basic – Key terms for motor control

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Regent VL71i - Victor Lighting

... colour. Due to the need to control photometric performance and certification conditions, and avoid incorrect lamps being fitted, the type of lamp and size is specified on the rating plate. If mixed installations are used, care must be taken to ensure that the correct lamp is fitted on installation a ...
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Lab 5 Document (Word)

... Previous labs demonstrate that the response of a system is modified by negative feedback control. The response speed of the system is increased as the proportional gain on the system increases. This was demonstrated using an electrical analog for a process. This section of the circuit represented a ...
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... Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance wit ...
A solar-powered buck/boost battery charger
A solar-powered buck/boost battery charger

... With a deeply discharged battery, the battery voltage is below a predetermined VBAT(LOW) threshold. For battery safety, the charger should not provide full charge current to the battery. Therefore, a current-limiting resistor between the charger and battery is recommended to limit the charge current ...
No Watt Left Behind
No Watt Left Behind

... Our “No Watt Left Behind” initiative is a broad ranging look at the way electro-thermal-mechanical systems used energy in buildings, with an eye toward advanced technology demonstrations in intelligent lighting, power electronics, waste heat recovery, metering, and control. A (not exhaustive) list o ...
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Transmission Line Protection System for Increasing Power System

... of the given transmission line, making the line appear electrically shorter. Although series capacitors may improve power system operation, using these capacitors results in a challenging problem for impedance-based line protection. Adding series capacitors on a transmission line causes subharmonic ...
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High voltage circuit breaker standards—comparative guide

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Thyristors This worksheet and all related files are licensed

... Ask you students to explain how these two devices (Shockley diodes versus rectifying diodes) are similar. In what ways are they different? Another good discussion question to bring up is the difference between a Shockley diode and a Schottky diode. Although the names are very similar, the two device ...
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UPAMD OperationalFlowChart201103111100

full text pdf
full text pdf

... In the flyback converter, it is necessary to provide a good magnetic coupling between the primary and secondary windings. Failure to meet this requirement results in voltage spikes on the transistor, the elimination of which with the use of additional snubber circuit requires dissipation of the ener ...
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Aalborg Universitet Performance of Doubly-Fed Wind Power Generators During Voltage Dips

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MV Switchgear 25kVMetal-Clad Outdoor

... secondary winding and secondary shorting device, primary/secondary ratio as indicated and burden consistent with connected metering and relay devices, 60 Hertz. B. Potential Transformers: ANSI 57.13, 120V single secondary, disconnecting type with integral fuse mountings, primary/secondary ratio as i ...
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... current flowing through the batteries. This is where the two MOSFETs come into play. MOSFET 1 will be ON at time A, MOSFET 2 will be OFF at time A and constantly turning ON/OFF controlled by a square wave with a certain frequency. Changing this frequency will raise or lower the voltage and the curre ...
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... approximately equal: ...
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optical density sensor

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... – This transient is effectively damped out by skin-effect in cables and lines and by the load of the connected distribution transformer along the line. ...
< 1 ... 870 871 872 873 874 875 876 877 878 ... 1640 >

Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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