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P-delta characteristics for the unified power flow controller
P-delta characteristics for the unified power flow controller

... converters was developed. A reachable set of operating points was examined in the – plane using combined iterations of a load flow program and numerical methods to solve for the operating parameters of the UPFC. A limitation of this approach is that current ratings of the converters are not consider ...
PQ_Unit II
PQ_Unit II

... A more sophisticated way to eliminate the negative effects of dips is called custom power technology. This technology is mainly based on power electronics and also, on some occasions, electrical energy storage. The most common method for mitigating the effects of the considered disturbances is the u ...
NCL30051LEDGEVB - 35-50 Volt, Up to 1.5 Amp, Offline
NCL30051LEDGEVB - 35-50 Volt, Up to 1.5 Amp, Offline

... 36 kHz with a pair of 0.1 mF capacitors (in parallel effectively) for C6 and C7. It turned out that a clock timing capacitor of 1 nF for C10 sets the switching frequency to about 36 kHz which provided the optimum tuning as displayed in primary current waveform of Figure 2. The design summary of the ...
SC190 - Semtech
SC190 - Semtech

... (1) Line regulation is tested with 2.7V < VIN < 5.5V and the following output voltage settings: · SC190A - 1.8V · SC190B - 1.8V · SC190D - 1.4V (2) Line regulation is tested with 3.7V < VIN < 5.5V and VOUT = 2.6V for the SC190C version. The input voltage range is reduced due to the higher output vol ...
DELCO-REMY GeneratorRegulators
DELCO-REMY GeneratorRegulators

... satisfactory regulation. There are, of course, refinementsin methods of changing the effective field resistance, which determine the excellence of the final results. By looking at a circuit diagram of a regulator, it will be found that there are three distinct paths for current flow. Starting with t ...
ADVANCED SERIES CONNECTION OF SUBMULTILEVEL
ADVANCED SERIES CONNECTION OF SUBMULTILEVEL

... inverters, each one has n dc voltage sources. The output voltage of the sub-multilevel inverters (and series connection of them) is always positive or zero. To operate as an inverter, it is necessary to change the voltage polarity in every half cycle. For this purpose, an H-bridge inverter is added ...
LED Driver - Ece.umd.edu
LED Driver - Ece.umd.edu

... of about 1 MHz. The input impedance is about 5 kOhms for the FM case, and about 6 kOhms for the PWM case. The gain begins to roll off at about 1 MHz, with a -3 dB point of about 3 MHz, as shown by measurements taken at the collector for the FM transmitter with a 1 kOhm resistor in series with the in ...
ADR391 数据手册DataSheet 下载
ADR391 数据手册DataSheet 下载

... may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may a ...
A 6-bit, 500-MS/s current-steering DAC in SiGe BiCMOS technology
A 6-bit, 500-MS/s current-steering DAC in SiGe BiCMOS technology

... semiconductor (NMOS) cascode and NMOS current source to overcome distortion by specifically enhancing the SFDR for high-speed DACs. The DAC is implemented using silicongermanium (SiGe) BiCMOS 130 nm technology and achieves a better than 21.96 dBc SFDR across the Nyquist band for a sampling rate of 5 ...
Electrostatic Properties and Characterization of
Electrostatic Properties and Characterization of

... 3.1. Selected research textile materials and preparation of samples To verify the described method for measuring electrostatic properties of textile materials affected by ions two types of textile materials were selected. The first group was textile materials based on one type of natural or manmade ...
A. Design for Dual-/Multi
A. Design for Dual-/Multi

... function as an AC bypass, DC block and storage capacitors. The resistor RB1, RB2, RB3 and RB4 generate a self-biasing voltage to increase the currents (I1, I2). The MOSFET connected diode M2 uses PMOS to reduce the body effect. The currents (I1, I2) need to be as large as possible to obtain high AC ...
260553 Elec Identification
260553 Elec Identification

... Self-adhesive Tape: For Imprinted or thermal transfer characters onto permanent waterproof tape lettering system. (Brother’s or Kroy). Apply Matte finish spray coating (Krylon #1311) as required to make lettering waterproof. ...
SIOV metal oxide varistors, General technical information
SIOV metal oxide varistors, General technical information

TPS63030 数据资料 dataSheet 下载
TPS63030 数据资料 dataSheet 下载

... The controller circuit also senses the average input current as well as the peak input current. With this, maximum input power can be controlled as well as the maximum peak current to achieve a safe and stable operation under all possible conditions. To finally protect the device from overheating, a ...
AM-560 AM-570 AM-540-EUR AM-550-EUR
AM-560 AM-570 AM-540-EUR AM-550-EUR

... requested and include the test leads with the meter. Non-warranty repair or replacement charges should be remitted in the form of a check, a money order, credit card with expiration date, or a purchase order made payable to Amprobe®. In-Warranty Repairs and Replacement – All Countries Please read th ...
04_ELC4345_Fall2013_DC_DC_Buck
04_ELC4345_Fall2013_DC_DC_Buck

AN1971
AN1971

... To connect the analog world to the digital core there is an analog to digital converter (ADC) implemented in the ST7LITE0. This ADC has two input ranges, the first measures the analog voltage from 0 to 5V in order to obtain a digital value ranging from 0 to 255 (8-bit resolution). The second turns o ...
Class activities
Class activities

Impact of Amendment 1 of the 17th
Impact of Amendment 1 of the 17th

Adaptive Voltage Regulation and Equal Current Distribution of
Adaptive Voltage Regulation and Equal Current Distribution of

... iN remains constant except at the time instants to change voltage setpoints. In Fig.1, the transistor operates at a fixed frequency with a period T with a duty-ratio d . The inductor current is assumed to be continuous, and the inductance and capacitance components are lossless and the output capaci ...
Simulation and Speed Control of 3-Phase Induction Motor
Simulation and Speed Control of 3-Phase Induction Motor

... V/f ratio constant. Therefore, the torque is decreased because the torque is directly proportional to square of the voltage. So, this is not a efficient method for speed control. Further we can conclude that we can change the resistance for the speed control of induction motor. In this method in ord ...
Advantages of Switching DC Regulators
Advantages of Switching DC Regulators

... unstable and can vary over a wide range  A regulator is often needed to take this unstable voltage source and convert it to a stable voltage  This has been achieved for many years using linear technology, a inexpensive, though highly inefficient method to convert and regulate voltage  Using switc ...
FAN2306 / FAN2306M TinyBuck™ 6 A Integrated Synchronous Buck Regulator F A
FAN2306 / FAN2306M TinyBuck™ 6 A Integrated Synchronous Buck Regulator F A

... Thermal Characteristics The thermal characteristics were evaluated on a 4-layer pcb structure (1 oz/1 oz/1 oz/1 oz) measuring 7 cm x 7 cm). ...
BD8303MUV
BD8303MUV

... A ceramic capacitor with low ESR is recommended for output in order to reduce output ripple. There must be an adequate margin between the maximum rating and output voltage of the capacitor, taking the DC bias property into consideration. Output ripple voltage when ceramic capacitor is used is obtain ...
The Impact That Voltage Variations Have on AC Induction
The Impact That Voltage Variations Have on AC Induction

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Ohm's law

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