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affolder-serialpower
affolder-serialpower

RD-122
RD-122

... incorporating a protection function into your machine and guarantee your products based on safety tests on the whole set. If you will use this product in devices like the above, please contact us. It should be noted that RORZE will not be responsible for any damage caused by using a product in such ...
Manual of RC Timer ESC 30A Brushless Motor
Manual of RC Timer ESC 30A Brushless Motor

... moved to top) within 3 seconds of the initial startup, the restart-up will be temporarily changed to normal mode to get rid of the chances of a crash caused by slow throttle response. This special design is very suitable for aerobatic flight when quick throttle response is needed. 6. Timing:Low / Me ...
Analogue Electronic Circuit - Federal University Oye
Analogue Electronic Circuit - Federal University Oye

...  Tell the operational differences between the Common-Emitter amplifier, CommonBase amplifier, and Common-Collector amplifier as well as identify the similarities between the operations of the following pairs of amplifiers: Common-Emitter & Common Source amplifiers, Common-Collector and Common-Drain ...
doc - Montana State University
doc - Montana State University

DS10BR150 1.0 Gbps LVDS Buffer / Repeater
DS10BR150 1.0 Gbps LVDS Buffer / Repeater

... TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous mater ...
View/Open - Naval Postgraduate School
View/Open - Naval Postgraduate School

ZG310 u en 500729 - Avery Weigh
ZG310 u en 500729 - Avery Weigh

... Cautions give information about procedures that, if not observed, could result in damage to equipment or corruption to and loss of data. ...
元件目录
元件目录

... Direct Current Electrode Negative (DCEN) - The direction of current flow through a welding circuit when the electrode lead is connected to the negative terminal and the work lead is connected to the positive terminal of a DC welding machine. Also called direct current, straight polarity (DCSP). Dire ...
Shaft Grounding and Sliding Electrical Contacts
Shaft Grounding and Sliding Electrical Contacts

... have been the many types of motors and generators that require power to the rotating part. The electrical and magnetic circuits in these machines inherently create a high potential for static and induced voltages. As the power capacities of these machines increased over the years the tendency for ac ...
ziv_wprc2013 analysis of oltc of parallel transformers
ziv_wprc2013 analysis of oltc of parallel transformers

... tool to maintain the voltage profiles along the grid, but they have to work in cooperation with other devices also connected to the grid, e.g. capacitor banks or reactors, in order to control properly not only the voltage but also the reactive power flow. The parallel operation of power transformers ...
Engineering Bulletin #43 VFD Application
Engineering Bulletin #43 VFD Application

... Variable Frequency Drives (VFDs) are electronic devices used for the purpose of controlling the speed of AC motors. The benefits of a VFD’s application on industrial refrigeration system components and other equipment outweigh its tradeoffs, providing they are properly applied. The primary benefit o ...
Logic gates based on ion transistors Linköping University Post Print
Logic gates based on ion transistors Linköping University Post Print

... Ion Bipolar Junction Transistors. IBJTs are built up from patterned films that are either cation or anion selective, corresponding to the p- and n-doped semiconductors, respectively, used in conventional electronics22. The selectivity of these ion conducting materials is a consequence of fixed ionic ...
Huntron Diagnostic Systems
Huntron Diagnostic Systems

... Huntron TrackerPXITM Integrate a Huntron Tracker into your PXI based test System The new Huntron TrackerPXITM is designed to add component level diagnostics to your existing PXI test platform. Take advantage of ProTrack style signature analysis capabilities to help you troubleshoot printed circuit b ...
A General Approach for Brushed DC Machines Simulation Using a
A General Approach for Brushed DC Machines Simulation Using a

... They have been classified in three levels: full-hybrid, mild-hybrid and micro-hybrid which is also known as stop-start system. The present paper focuses on the last one. Such electromechanical conversion has the capability of energy recovery allowing the reduction of fuel consumption. This function ...
HMC226 / 226E
HMC226 / 226E

Optimal signal-to-noise ratio for silicon nanowire biochemical sensors
Optimal signal-to-noise ratio for silicon nanowire biochemical sensors

CA650052EN
CA650052EN

... of heavy cable. The result is a one-person, clampstick operable con­nec­tion system that is unequalled in ease of operation and time re­quired to perform sectionalizing operations. A coppertop compression con­nec­tor is provided for terminating the conductor. ...
Ultra-Compact Power Conversion Based on a CMOS
Ultra-Compact Power Conversion Based on a CMOS

... construction yielded the highest inductance. Inductors were characterized both by impedance analysis as well as in a prototype buck DC-DC conversion circuit. When the converter was operated at 5 MHz, peak efficiency of 82% and an efficiency of 80% at a load current of 2.5A and output voltage of 2V w ...
2-555 Timer-Rev2p1
2-555 Timer-Rev2p1

... Monostable mode is useful for switch debouncing. This is when you add a manual switch to a digital circuit. One physical press may look like several rapid presses to a digital circuit, where a 555 timer monostable circuit will filter that out by producing a single pulse of the correct length in time ...
REG710-25 数据资料 dataSheet 下载
REG710-25 数据资料 dataSheet 下载

... In normal operation, the charging of the pump and output capacitors usually leads to relatively high peak input currents which can be much higher than that of the average load current. The regulator incorporates circuitry to limit the input peak current, lowering the total EMI production of the devi ...
1. Introduction
1. Introduction

MAX1677 Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter General Description
MAX1677 Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter General Description

... Detailed Description The MAX1677 is a highly-efficient, dual-output power supply for battery-powered devices. On-chip are two complete step-up DC-DC converters to power main logic and bias an LCD (Figure 1). The main boost converter (MBC) has on-chip P-channel and N-channel MOSFETs that provide sync ...
Laboratory and Field Test of Movable Conduction-Cooled
Laboratory and Field Test of Movable Conduction-Cooled

... operate with 3 T at 20 K. Therefore, the magnet can operate with fast current ramps, which is important for dynamic power compensation [23]. The specifications are given in the appendix. The current leads are divided into two sections: one working in superconductive state which is made of Bi-2223 st ...
MPQ8636 - Mouser Electronics
MPQ8636 - Mouser Electronics

... line regulation. The MPQ8636 operates at high efficiency over a wide output-current–load range. The MPQ8636 uses Constant-On-Time (COT) control to provide a fast transient response and ease loop stabilization. An external resistor programs the operating frequency from 200kHz to 1MHz, and the frequen ...
< 1 ... 550 551 552 553 554 555 556 557 558 ... 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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