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MAX17003/MAX17004 High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers General Description
MAX17003/MAX17004 High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers General Description

... the MAX17003/MAX17004 and their gate drivers, as well as external keep-alive loads. When the main PWM regulator is in regulation, an automatic bootstrap switch bypasses the internal linear regulator, providing current up to 200mA. An additional adjustable linear-regulator driver with an external pnp ...
hysteresis current control technique for three phase induction motor
hysteresis current control technique for three phase induction motor

Midsize and SUV Vehicle Simulation Results for Plug-In HEV Component Requirements 2007-01-0295
Midsize and SUV Vehicle Simulation Results for Plug-In HEV Component Requirements 2007-01-0295

... In this study, equations were derived for calculating the impedance of a plug-in hybrid vehicle battery for use in simulating the battery behavior under driving conditions. Developing the equations for expressing battery resistance for a plug-in hybrid vehicle battery is more complex than developing ...
Colonial brochure - US Architectural Lighting
Colonial brochure - US Architectural Lighting

... halide lamps produce the same light levels as before while consuming 20 - 25% less energy. Modern bulb configurations combine with optical systems to produce new levels of efficiency and precision. Add to this the proliferation of LED’s in outdoor lighting realizing power reductions of up to 50% whi ...
AquaPure Troubleshooting
AquaPure Troubleshooting

... The flow sensor must be cleaned, and checked for damage. If unit has a Rev. 8 front board it must be tested before proceeding. Salt must NOT have been added within the last 24 hours. If a spare flow sensor is available. Connect it to the unit and place it in a bucket of the pool water to compare rea ...
Datasheet - Diodes Incorporated
Datasheet - Diodes Incorporated

... well as packages for through hole requirements. ...
Requirements and Selection
Requirements and Selection

... allocated or associated to each Design Block within the project to complete a System Design Phase – Allocated: % of total budgeted to applicable design blocks plus margin. For example: Product Cost, Power Consumption, Mass …. – Associated: Used when allocation is not applicable. For example: Country ...
presentation on symmetrical componenets of power system
presentation on symmetrical componenets of power system

... REFERENCES ...
Frequency Preference Response to Oscillatory Inputs in Two
Frequency Preference Response to Oscillatory Inputs in Two

Converting a Portable Cordless Drill to a Hand Crank DC Ge…
Converting a Portable Cordless Drill to a Hand Crank DC Ge…

experiment 6 - Portal UniMAP
experiment 6 - Portal UniMAP

POWER INVERTER 5000W
POWER INVERTER 5000W

... The power inverter has a lug on the rear panel. This is to connect the chassis of the power inverter to the ground. The ground terminals in the AC outlets on the front panel of the inverters are also connected to the ground lug. The chassis ground lug must be connected to the grounding point, which ...
Appendix D-4  Electrical Advanced-Level Training Issue Date:  12/29/11
Appendix D-4 Electrical Advanced-Level Training Issue Date: 12/29/11

... A standard may be defined as a document that applies collectively to codes, specifications, recommended practices, test methods, and guides, which have been prepared by a standards developing organization or group, and published in accordance with established procedures. Standards promote safety, re ...
TRS3221E 数据资料 dataSheet 下载
TRS3221E 数据资料 dataSheet 下载

... RS-232 pins provide IEC G1000-4-2 ESD protection. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single ...
Evaluates:  MAX1493/MAX1495 MAX1493 Evaluation Kit General Description Features
Evaluates: MAX1493/MAX1495 MAX1493 Evaluation Kit General Description Features

... The MAX1493 EV kit is fully assembled and tested. Follow the steps below to verify board operation. Caution: Do not turn on the power until all connections are made. 1) Ensure that all jumpers are set to their factorydefault position (see Table 1 for jumper settings). 2) Turn on the power supply. 3) ...
LABORATORY EXPERIMENT
LABORATORY EXPERIMENT

... In figure 1, we see that the circuit has been divided into two structures: the transmitter structure and the receiver structure. In the transmitter, we see that when the button is pushed, the astable 555 timer oscillates and causes the IR LED to emit a modulated, or pulsed, infrared signal. This si ...
High Impedance Fault Detection on Distribution Systems
High Impedance Fault Detection on Distribution Systems

... The purpose of the expert arc detector algorithm is to assimilate the outputs of the basic arc detection algorithms into one cumulative arc confidence level per phase. There are actually 24 independent basic arc detection algorithms, since both the energy and randomness algorithms are run for the od ...
S230-55-1
S230-55-1

... When the capacitor bank switch is closed, a highfrequency, high-magnitude current flows into the bank attempting to equalize the system and capacitor voltages. If the bank is isolated from other banks, the inrush current is limited by the inductance of the source and the capacitance of the bank. Typ ...
Fault Tolerant Three-Phase AC Motor Drive Topologies: A
Fault Tolerant Three-Phase AC Motor Drive Topologies: A

... in the inverter will automatically open the complementary tran, in order to avoid a shoot-through failure by short-cirsistor, cuiting the dc bus. Using this signal and additional control logic, . This causes a short-circuit the controller turns on TRIAC, through the lower half of the dc bus, the fai ...
The course document
The course document

... ESSENTIAL ELECTRONICS KNOWLEDGE The following are relevant and basic to most aspects of the course. They must be encountered and ...
IM-103 Rebuild Kit
IM-103 Rebuild Kit

... which affects both the brightness and focus ability of these models. This kit of parts contains the typical parts necessary to rebuild the High Voltage portion of your monitor scope. The resistors used in this rebuild kit are of the metal film type that will not drift over time. The capacitors are e ...
Installation Manual
Installation Manual

... Note: 1. Current each wire carries should be de‐rated to 80% of the current suggested  above when using 5 or more wires connected to the unit.            2. The maximum allowable wire cross‐sectional area for the terminal of the  DR‐45 is 12AWG/2.5 mm2 .  Make sure that all strands of each stranded  ...
Direct and External Modulation of Light
Direct and External Modulation of Light

Electrical
Electrical

... harmless to children and pets and do not require cables to be buried. Power packs typically range from 88-watt capacity up to 900-watt capacity. To determine which transformer you will need, add up the wattage of all the lamps you plan to use—otherwise known as the total nominal wattage (TNW). The t ...
UCx846/7 Current Mode PWM Controller (Rev. C)
UCx846/7 Current Mode PWM Controller (Rev. C)

... Analog Inputs (Pins 3, 4, 5, 6, 16) ...
< 1 ... 412 413 414 415 416 417 418 419 420 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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