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Aalborg Universitet Multilevel Converters
Aalborg Universitet Multilevel Converters

a review on power system harmonics
a review on power system harmonics

MAX4714 0.8 , Low-Voltage, Single-Supply SPDT Analog Switch in SC70
MAX4714 0.8 , Low-Voltage, Single-Supply SPDT Analog Switch in SC70

... The MAX4714 is a low on-resistance, low-voltage single-pole/double-throw (SPDT) analog switch that operates from a single +1.6V to +3.6V supply. The MAX4714 has break-before-make switching. This device also has fast switching speeds (tON = 18ns, max, tOFF = 12ns, max). When powered from a +3V supply ...
chp04
chp04

Optical Ethernet Design
Optical Ethernet Design

... A Free sample background from www.pptbackgrounds.fsnet.co.uk ...
Power MOSFET Basics: Understanding the Turn-On Process
Power MOSFET Basics: Understanding the Turn-On Process

... conditions. Typically it will be at a combination of VGS and IDS, where the curve has strayed from the straight and narrow line into the gray area. For example, in the case above it could be a gate voltage VGS = 3.1 V and a startup current of 10 A. They understand RDS(on) will be higher than specifi ...
The von-Neumann Computer
The von-Neumann Computer

... switch is sufficient as basic building element to construct binary circuits. However, the switches in a computer system will not be mechanical, but electronic. Assume that we have a power source (e.g. battery or AC line). If the switch is closed, the power resp. voltage (high level, “1”) is output t ...
TRANSMISSION INTERCONNECTIONS Most of the world`s electric
TRANSMISSION INTERCONNECTIONS Most of the world`s electric

... system's collapse. If all or a part of the series capacitor is thyristor-controlled, however, it can be varied as often as required. It can be modulated to rapidly damp any sub synchronous resonance conditions, as well as damp low frequency oscillations in the power flow. This would allow the transm ...
A 1.2- mu m CMOS current-controlled oscillator - Solid
A 1.2- mu m CMOS current-controlled oscillator - Solid

Chapter 3 Clocked circuits
Chapter 3 Clocked circuits

... Figure 3.1: Clock and inverse clock. this wastefulness (well ... there is another solution, but that one is wasteful in a di erent way ...). However, suppose you would need the signal only to become valid during a certain phase of the clock and stay valid during the remainder of the phase (the two h ...
Triple II Demand Instruments
Triple II Demand Instruments

... occasionally experienced in the field. The MOV's are designed to clamp applied power voltages above 170V ac RMS (270 V ac RMS for 230V instruments). To avoid damaging the MOV protectors, maintain continuously applied power voltages within the ratings of the instrument. 2.3 Interconnect and Power Sup ...
OWNERS MANUAL WB-600-IPVCE-12 KEY FEATURES
OWNERS MANUAL WB-600-IPVCE-12 KEY FEATURES

... the powercord), and do not attempt to defeat the grounding feature by using a 3-to-2 prong adapter. If you have questions about grounding, consult your local power company or a qualified electrician. This Wattbox™ component requires a properly grounded outlet for safety and to protect connected equi ...
H045034248
H045034248

... In this paper multistage grid connected inverter for solar PV based system and the types of multilevel inverter are discussed. The conventional line commutated inverters have square shaped waveform of line current which generates high harmonics and also produces excessive heat which causes damage to ...
TRMS three- and single phase digital wattmeters
TRMS three- and single phase digital wattmeters

... Although they offer elaborate functions, the PX 120 and PX 110 are very simple to implement. Each of the five (PX 110) or six (PX 120) keys corresponds to a single clearly identifiable function. The latter is then accessible via a single press of the key. Finally, the automatic change of range means ...
ISKRA Model E895G2 Electricity Meter
ISKRA Model E895G2 Electricity Meter

... Rotate the disc with a pulse current until a point is found at which the disc creeps slowly forward when voltage is applied. ...
MAX769EVKIT
MAX769EVKIT

... evaluating the features of the MAX769. The MAX769 converts a 2-cell or 3-cell, 1.5V to 5.5V battery voltage to four separate output voltages. The main output voltage at OUT is digitally controlled from 1.8V to 4.9V in 100mV steps by a 3-wire SPI™ serial interface. OUT provides up to 80mA. The other ...
DXR-65 inst_1.eps
DXR-65 inst_1.eps

... 1. To test the equipment, depress the TEST switch. The charge (LED) indicator will turn OFF and the emergency lights will illuminate. 2. Once you release the TEST switch the emergency lights will turn OFF and the charge (LED) indicator will illuminate. 3. The automatic charger will return into actio ...
2350 POWER SERIES Selector Guide
2350 POWER SERIES Selector Guide

... Input Voltage range (235410 - 40)- 120V or 240V RMS full scale ( 600 V AC available as a special) Input Voltage range (235401, 02, 90)- 150V or 300V RMS full scale ( 600 V AC available as a special) Input Current range (all except #01 and #90 Volt input) - 1A or 5A RMS full scale (10 A AC available ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

Precision Full-Wave Rectifier, Dual-Supply
Precision Full-Wave Rectifier, Dual-Supply

High-Impedance Bus Differential Protection Modeling in ATP/MODELS
High-Impedance Bus Differential Protection Modeling in ATP/MODELS

... In the state-of-art of relay modeling in EMTP software, most papers on the subject deal with the transmission lines (TL) distance protection [2-5]. In [2], a distance relay is modeled in EMTP program and its performance is compared with the one of a manufactured relay. In [3] and [4], distance prote ...
AD9945 数据手册DataSheet 下载
AD9945 数据手册DataSheet 下载

... The optical black clamp loop is used to remove residual offsets in the signal chain and to track low frequency variations in the CCD’s black level. During the optical black (shielded) pixel interval on each line, the ADC output is compared with the fixed black level reference, selected by the user i ...
Series 90™-30 PLCs
Series 90™-30 PLCs

Vinf
Vinf

PDF
PDF

... signal is aligned to the peak of some line-to-neutral voltage. This is highly inconvenient, since what is desired is alignment to line-to-line voltage. There is an encoder as well. However, it is 500 pulses per revolution (500 ppr). This is not evenly divisible by three, so it would not be convenien ...
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Metadyne



A metadyne is a direct current electrical machine with two pairs of brushes. It can be used as an amplifier or rotary transformer. It is similar to a third brush dynamo but has additional regulator or ""variator"" windings. It is also similar to an amplidyne except that the latter has a compensating winding which fully counteracts the effect of the flux produced by the load current. The technical description is ""a cross-field direct current machine designed to utilize armature reaction"". A metadyne can convert a constant-voltage input into a constant-current, variable-voltage output.
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