PP.AFD.07
... • Fig 1. Six step VFD Power Factor Linear with speed • Fig 2. PWM VFD PF constant with speed • Harmonics reduce PF for both but can be improved using DC Link Reactors, AC Line Reactors, etc ...
... • Fig 1. Six step VFD Power Factor Linear with speed • Fig 2. PWM VFD PF constant with speed • Harmonics reduce PF for both but can be improved using DC Link Reactors, AC Line Reactors, etc ...
Reduction of Peak Input Currents during Charge Pump
... electrical energy fed through smart-card contacts or delivered by an on-board RF chip that captures an electromagnetic field in case of contact-less smartcards. It is clear that - especially in the latter case - the available supply current, and to a lesser degree also the supply voltage, is limited ...
... electrical energy fed through smart-card contacts or delivered by an on-board RF chip that captures an electromagnetic field in case of contact-less smartcards. It is clear that - especially in the latter case - the available supply current, and to a lesser degree also the supply voltage, is limited ...
Elsevier Editorial System(tm) for Integration, the VLSI Journal
... CASFAI structure in a 0.18 µm CMOS process and 1.5 V supply voltage is shown in Fig. 4. The width of transistors M1-M3 is 16 µm, 17.5 µm, and 24 µm, respectively, all with the length of 0.18 µm. As it is obvious, the proposed structure shows inductance behavior in the frequency range between 0-6.9 G ...
... CASFAI structure in a 0.18 µm CMOS process and 1.5 V supply voltage is shown in Fig. 4. The width of transistors M1-M3 is 16 µm, 17.5 µm, and 24 µm, respectively, all with the length of 0.18 µm. As it is obvious, the proposed structure shows inductance behavior in the frequency range between 0-6.9 G ...
University of Groningen Origin of the reduced fill factor and
... approach the 2.5 % of PPV derivatives when blended with fullerenes.[8] Blends of poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4phenylene vinylene] (MDMO-PPV) and poly[oxa-1,4-phenylene-(1-cyano-1,2-vinylene)-(2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylene)-1,2-(2-cyanovinylene)-1,4-phenylene] (PC ...
... approach the 2.5 % of PPV derivatives when blended with fullerenes.[8] Blends of poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4phenylene vinylene] (MDMO-PPV) and poly[oxa-1,4-phenylene-(1-cyano-1,2-vinylene)-(2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylene)-1,2-(2-cyanovinylene)-1,4-phenylene] (PC ...
PM-45X - Texmate, Inc
... most energy efficient 4 1/2 Digit LCD Panel Meters, they nevertheless offer more high performance features than most larger and more expensive DPM’s. Both meters incorporate a crystal controlled 100KHz clock that provides an exceptionally high normal mode rejection of 120dB at multiples of 50/60Hz. ...
... most energy efficient 4 1/2 Digit LCD Panel Meters, they nevertheless offer more high performance features than most larger and more expensive DPM’s. Both meters incorporate a crystal controlled 100KHz clock that provides an exceptionally high normal mode rejection of 120dB at multiples of 50/60Hz. ...
"SCR (Silicon-Controlled Rectifier) Dimming Technology in LED
... to adapt the SCR dimming function without flickering. It also has to solve other different problems in SCR dimming such as loading, over-heating and flickering due to under-loading. Solomon Systech’s LED driver controller ICs offer highly efficient constant current source with wide input voltage ran ...
... to adapt the SCR dimming function without flickering. It also has to solve other different problems in SCR dimming such as loading, over-heating and flickering due to under-loading. Solomon Systech’s LED driver controller ICs offer highly efficient constant current source with wide input voltage ran ...
LT1794 - Dual 500mA, 200MHz xDSL Line Driver Amplifier
... product, dual voltage feedback amplifier with high output current drive capability, 500mA source and sink. The LT1794 is ideal for use as a line driver in xDSL data communication applications. The output voltage swing has been optimized to provide sufficient headroom when operating from ±12V power s ...
... product, dual voltage feedback amplifier with high output current drive capability, 500mA source and sink. The LT1794 is ideal for use as a line driver in xDSL data communication applications. The output voltage swing has been optimized to provide sufficient headroom when operating from ±12V power s ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... proposed models. In next two sessions results and conclusions are discussed. Adder is used to add two numbers. At first adder circuits were designed with static CMOS technology as given in Fig. 1. It includes certain advantages like easy to operate at small voltage and easy to resize the transistor ...
... proposed models. In next two sessions results and conclusions are discussed. Adder is used to add two numbers. At first adder circuits were designed with static CMOS technology as given in Fig. 1. It includes certain advantages like easy to operate at small voltage and easy to resize the transistor ...
UDE-Based Robust Droop Control of Inverters in Parallel
... The virtual impedance is a widely used approach to improve power sharing performance among parallel operated inverters [9], [17]. Adding a virtual inductor and estimating the effect of the line impedance are proposed in [10] to improve the sharing performance via changing the droop coefficients. The ...
... The virtual impedance is a widely used approach to improve power sharing performance among parallel operated inverters [9], [17]. Adding a virtual inductor and estimating the effect of the line impedance are proposed in [10] to improve the sharing performance via changing the droop coefficients. The ...
c-14-dbme-1st-year
... Define Specific resistance and state its S.I. Unit. Explain Temperature Coefficient of resistance and solve simple problems on variation of resistance with temperature. Explain the concepts of Work done, Energy expended and Power dissipated in electric circuit and state S.I. Units of Work, Power and ...
... Define Specific resistance and state its S.I. Unit. Explain Temperature Coefficient of resistance and solve simple problems on variation of resistance with temperature. Explain the concepts of Work done, Energy expended and Power dissipated in electric circuit and state S.I. Units of Work, Power and ...
Evaluates: MAX9940 MAX9940 Evaluation Kit General Description Features
... MAX9940. The absolute maximum voltage of the DATA signal of the microcontroller (U2) is specified to be (VDDIO + 0.5)V, i.e., 3.8V. When the MAX9940 detects a voltage greater than (VCC + 0.3)V, it automatically turns off, presenting the high voltage fault signal on its EXT pin from appearing on the ...
... MAX9940. The absolute maximum voltage of the DATA signal of the microcontroller (U2) is specified to be (VDDIO + 0.5)V, i.e., 3.8V. When the MAX9940 detects a voltage greater than (VCC + 0.3)V, it automatically turns off, presenting the high voltage fault signal on its EXT pin from appearing on the ...
Analog Optical Isolators VACTROLS®
... analog optical isolators for over twenty years and makes a broad range of standard parts under its trademark VACTROL®. There are many kinds of optical isolators, but the most common is the LED/phototransistor type. Other familiar types use output elements such as light sensitive SCRs, Triacs, FETs, ...
... analog optical isolators for over twenty years and makes a broad range of standard parts under its trademark VACTROL®. There are many kinds of optical isolators, but the most common is the LED/phototransistor type. Other familiar types use output elements such as light sensitive SCRs, Triacs, FETs, ...
Multi-Technology Fault Identification Case Study
... higher than currents 1 and 3. Voltage was checked and found to be balanced across the motor starter at 283 VAC phase-to-neutral and 490 VAC phase-to-phase. Vibration data was collected and found the motor was in alarm for a 2x line electrical frequency, indicating there was a possible electrical iss ...
... higher than currents 1 and 3. Voltage was checked and found to be balanced across the motor starter at 283 VAC phase-to-neutral and 490 VAC phase-to-phase. Vibration data was collected and found the motor was in alarm for a 2x line electrical frequency, indicating there was a possible electrical iss ...
Power and automation products and services Global product
... Dry-type medium voltage transformers, available with ratings up to 63 MVA and 72 kV are an excellent solution for data center substations. Virtually maintenance free, with extremely low fire risk, they can also be placed very close to the supplied load, if a dedicated installation should be required ...
... Dry-type medium voltage transformers, available with ratings up to 63 MVA and 72 kV are an excellent solution for data center substations. Virtually maintenance free, with extremely low fire risk, they can also be placed very close to the supplied load, if a dedicated installation should be required ...
78M6618 Octal Power and Energy Measurement IC
... and Rogowski coils. In a sub-metering application, the 32-bit compute engine (CE) of the 78M6618 sequentially process the samples from the analog inputs on pins IA, IB, IC, ID, IE, IF, IG, IH, VA, VB and performs calculations to measure active energy (Wh) and reactive energy (VARh), as well as A2h a ...
... and Rogowski coils. In a sub-metering application, the 32-bit compute engine (CE) of the 78M6618 sequentially process the samples from the analog inputs on pins IA, IB, IC, ID, IE, IF, IG, IH, VA, VB and performs calculations to measure active energy (Wh) and reactive energy (VARh), as well as A2h a ...
Logic gates based on ion transistors Linköping University Post Print
... npn inverter, as expected. Also, the gain, which is defined as the absolute value of slope, is significantly higher for the complementary inverter. The gain must be above 1 in order to enable construction of functional logic circuits and a higher gain is typically advantageous for a circuit's perfor ...
... npn inverter, as expected. Also, the gain, which is defined as the absolute value of slope, is significantly higher for the complementary inverter. The gain must be above 1 in order to enable construction of functional logic circuits and a higher gain is typically advantageous for a circuit's perfor ...
Power Amplifiers - Learn About Electronics
... Class A power amplifiers, using the relatively linear part of the transistors characteristics are less subject to distortion than other bias classes used in power amplifiers, and although their inferior efficiency improves when output transformers are used, the introduction of a transformer can itse ...
... Class A power amplifiers, using the relatively linear part of the transistors characteristics are less subject to distortion than other bias classes used in power amplifiers, and although their inferior efficiency improves when output transformers are used, the introduction of a transformer can itse ...
ii construction of our distributed amplifier
... several years) coaxial cable. Although transmission line theory predicts that coaxial cable can operate at infinite bandwidth, the reality is different. In transmission line theory, if the product of the line resistance (R) times the capacitance (C) is equal to the line conductance (G) times the ind ...
... several years) coaxial cable. Although transmission line theory predicts that coaxial cable can operate at infinite bandwidth, the reality is different. In transmission line theory, if the product of the line resistance (R) times the capacitance (C) is equal to the line conductance (G) times the ind ...
DALI
... The DCI 4 DALI is a component of the Dupline bus, which has functions that can also be used together with the DCI 4 DALI, such as timers, light sensors and central and group commands. Of particular interest is the fact that even control devices can be grouped. Lighting groups and lighting scenes as ...
... The DCI 4 DALI is a component of the Dupline bus, which has functions that can also be used together with the DCI 4 DALI, such as timers, light sensors and central and group commands. Of particular interest is the fact that even control devices can be grouped. Lighting groups and lighting scenes as ...