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LTM4620A - Dual 13A or Single 26A DC/DC μModule Regulator
LTM4620A - Dual 13A or Single 26A DC/DC μModule Regulator

... to ground will set a soft-start ramp rate. The remaining channel can be set up as the slave, and have the master’s output applied through a voltage divider to the slave output’s track pin. This voltage divider is equal to the slave output’s feedback divider for coincidental tracking. See the Applica ...
section 262923 - variable-frequency motor
section 262923 - variable-frequency motor

... Motors Used on a Sinusoidal Bus with Harmonic Content and General Purpose Motors Used with Adjustable-Voltage or Adjustable-Frequency Controls or Both." Units suitable for operation of inverter-duty motors as defined by NEMA MG 1, Section IV, Part 31, "Definite-Purpose Inverter-Fed Polyphase Motors. ...
Steady State Operation and Control of Power
Steady State Operation and Control of Power

... if DG absorbs reactive power, it means that the reactive power should be generated somewhere else in the system, and VR installation means investment cost. The DG integration limit can also be extended by operating the MV feeders in a meshed system (closed-loop). The expense of this meshed operatio ...
Hazardous conditions may result of the charger is not installed or
Hazardous conditions may result of the charger is not installed or

... If a load is also connected simultaneously, a part of the charger’s output current will be diverted to this load. Thus, the charger may remain locked in the “Boost or Absorption Mode” if the current drawn by the load is more than the preset value of threshold current Determining change over between ...
LTC6104 - High Voltage, High Side, Bi-Directional Current Sense Amplifier
LTC6104 - High Voltage, High Side, Bi-Directional Current Sense Amplifier

... The LTC®6104 is a versatile, high voltage, high side, bidirectional current sense amplifier. Design flexibility is provided by the excellent device characteristics: ±450µV maximum offset and only 520µA of current consumption (typical at 12V). The LTC6104 operates on supplies from 4V to 60V. The LTC610 ...
LT1964 - 200mA, Low Noise, Low Dropout Negative Micropower
LT1964 - 200mA, Low Noise, Low Dropout Negative Micropower

... Note 7: ADJ pin bias current flows out of the ADJ pin. Note 8: Positive SHDN pin current flows into the SHDN pin. SHDN pin current is included in the GND pin current specification. Note 9: For input-to-output differential voltages greater than 7V, a 50μA load is needed to maintain regulation. Note 10: ...
Buck Converter Design
Buck Converter Design

... capacitance (hence high switching loss). Thus the MOSFET that is chosen should be a compromise between these two characteristics. In addition, high current MOSFETs tend to come in much larger packages, so meeting the ideals of low ON resistance and low Qg might violate a space requirement spec, so ...
TPS70402 数据资料 dataSheet 下载
TPS70402 数据资料 dataSheet 下载

... The TPS704xx family of voltage regulators offers very low dropout voltage and dual outputs. These devices have extremely low noise output performance without using any added filter bypass capacitors and are designed to have a fast transient response and be stable with 47-mF low ESR capacitors. These ...
Leakage current: Moore`s law meets static power
Leakage current: Moore`s law meets static power

... First, we could turn off the supply voltage—that is, set V to zero so that the factor in parentheses also becomes zero. Second, we could increase the threshold voltage, which—because it appears as a negative exponent—can have a dramatic effect in even small increments. On the other hand, we know fro ...
Copy of CHAPTER - Electro Tech Online
Copy of CHAPTER - Electro Tech Online

... The technology that is presently used in shopping malls are billing of the products using bar coding technique. A bar code is a set of parallel printed lines with different thickness which is used to store coded information about a particular product. Bar codes are usually read with the help of hand ...
Multi-Output Power Supplies with VCOM Amplifier and High
Multi-Output Power Supplies with VCOM Amplifier and High

LTC4002- 2-Cell Standalone Li-Ion Switch Mode Battery Charger
LTC4002- 2-Cell Standalone Li-Ion Switch Mode Battery Charger

FDD4141_F085
FDD4141_F085

... warranty issues that may arise. Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from author ...
SUGGESTED SPECIFICATION for ASCO 7000 Series Soft Load
SUGGESTED SPECIFICATION for ASCO 7000 Series Soft Load

ABWR 8.3  Onsite Power Systems 8.3.1  AC Power Systems
ABWR 8.3 Onsite Power Systems 8.3.1 AC Power Systems

... The non-Class 1E medium voltage power distribution system consists of four 13.8 kV PG buses and three 4.16 kV PIP buses. The four bus configuration was chosen to meet the requirement that the ten Reactor Internal Pumps (RIPs) be powered by four independent buses. This will minimize large core flow r ...
LTC5592 - Dual 1.6GHz to 2.7GHz High Dynamic Range
LTC5592 - Dual 1.6GHz to 2.7GHz High Dynamic Range

... The LTC®5592 is part of a family of dual-channel high dynamic range, high gain downconverting mixers covering the 600MHz to 4.5GHz RF frequency range. The LTC5592 is optimized for 1.6GHz to 2.7GHz RF applications. The LO frequency must fall within the 1.5GHz to 2.5GHz range for optimum performance. ...
AN18 - Power Gain Stages for Monolithic Amplifiers
AN18 - Power Gain Stages for Monolithic Amplifiers

... be diode clamped to ground or to the LT1055 supply terminals. Figure 10 shows results with a ±12V input pulse ...
SP3220EU 数据资料DataSheet下载
SP3220EU 数据资料DataSheet下载

... The SP3220E devices are RS-232 driver/receiver solutions intended for portable or hand-held applications such as palmtop computers, instrumentation and consumer products. These devices incorporate a high-efficiency charge-pump power supply that allows the SP3220E devices to deliver true RS-232 perfo ...
cause the controllers operating the turbine converters are not
cause the controllers operating the turbine converters are not

BDTIC www.BDTIC.com/infineon Wireless Components ASK/FSK Transmitter 868/433 MHz
BDTIC www.BDTIC.com/infineon Wireless Components ASK/FSK Transmitter 868/433 MHz

... The current consumption of the IC is typically 7 mA when using a proper transforming network at PAOUT, see Figure 3-1. 2.4.5.4 Power mode control The bias circuitry is powered up via a voltage V > 1.5 V at the pin PDWN (pin 1). When the bias circuitry is powered up, the pins ASKDTA and FSKDTA are pu ...
PAM2304 Description Pin Assignments
PAM2304 Description Pin Assignments

... written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instruct ...
REGULATORY GUIDE
REGULATORY GUIDE

Protection Relays Guide 2012
Protection Relays Guide 2012

... • Phase and earth fault dual-powered overcurrent protection applicable in HV and MV substations and to protect MV and LV transformers • Applicable in systems where auxiliary supply voltage may be interrupted or lost Protections • Overcurrent, against phase-to-phase faults, 3-stage, DT or IDMT • ...
PAM2804 Description Pin Assignments
PAM2804 Description Pin Assignments

... IQ is the step-down converter quiescent current. The term tsw is used to estimate the full load step-down converter switching losses. For the condition where the step-down converter is in dropout at 100% duty cycle, the total device dissipation reduces to: ...
04_ELC4345_Fall2013_DC_DC_Buck_PPT
04_ELC4345_Fall2013_DC_DC_Buck_PPT

... The DC equivalent of an AC transformer Iin ...
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Three-phase electric power



Three-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is usually more economical than an equivalent single-phase or two-phase system at the same line to ground voltage because it uses less conductor material to transmit electrical power.The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky, Jonas Wenström and Nikola Tesla in the late 1880s.
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