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PI-279
PI-279

Presentation Slides
Presentation Slides

... The CPU will do the following things: • Read in a utility (AC) voltage signal • Read in a battery voltage signal • Control the switching of the power source switch • Control the switching of the charging switch • Output a battery life signal to the display ...
ADS901 数据资料 dataSheet 下载
ADS901 数据资料 dataSheet 下载

... (RT, RB) are necessary to set the correct current through the ladder. However depending on the desired full-scale swing and supply voltage different resistor values might be selected. The trade-offs, when selecting this reference circuit, are variations in the reference voltages due to component tol ...
Transformer Polarity
Transformer Polarity

... Current Transformers (CT’s) are used to supply a proportional current to the current input of metering and relaying equipment. The standard CT secondary current is 5 amps to match the standard full-scale current rating of switchboard indicating devices, power metering equipment, and protective relay ...
Energy, Power and Power Management
Energy, Power and Power Management

... on page 15: IPMs provide a quick and simple means to implement a motor-drive’s inverter, and they also save board space when compared to discrete inverter circuits. The push for greater power efficiency is also fuelling growing interest in Silicon Carbide (SiC) components: SiC devices achieve lower ...
Total Harmonic Distortion Measurement System of Electronic
Total Harmonic Distortion Measurement System of Electronic

AN2835
AN2835

... document and strictly observed. The components must be protected against excessive strain, and in particular, no components are to be bent, or isolating distances altered during transportation, handling or use. The demonstration board contains electrostatically sensitive components that are prone to ...
QS6K1
QS6K1

... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
Nonlinear Modeling of DC Constant Power Loads with
Nonlinear Modeling of DC Constant Power Loads with

MAX2510 Low-Voltage IF Transceiver with Limiter/RSSI and Quadrature Modulator ________________General Description
MAX2510 Low-Voltage IF Transceiver with Limiter/RSSI and Quadrature Modulator ________________General Description

... internally terminated with 11kΩ, and this RC time constant sets the decay time. Gain-Control Pin. Applying a DC voltage to GC between 0V and 2.0V adjusts the transmitter gain by more than 40dB. GC is internally terminated to 1.35V via an 85kΩ resistor. Differential LO Inputs. In a typical applicatio ...
Precision in Practice
Precision in Practice

... test. This effect can lead to significant errors when measuring certain types of resistors, particularly low values where the measurement current can be quite high, especially if they have large temperature and power dependencies – an example being platinum resistance thermometer elements. To overco ...
v. filter design example - Faculdade de Engenharia
v. filter design example - Faculdade de Engenharia

... The design of a suitable EMI filter can be done according different approaches [7-9]. Usually a high-order filter is used to reduce inductance and capacitance values. Ideally it could be considered that no harmonic components exist in the frequency range between the line and the switching frequencie ...
MAX258 500mA, Push-Pull Transformer Driver for Isolated Power Supplies General Description
MAX258 500mA, Push-Pull Transformer Driver for Isolated Power Supplies General Description

... Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Stresses beyond those listed under “Absolute Maximum ...
LLC resonant half-bridge converter design guideline
LLC resonant half-bridge converter design guideline

... assumed to be purely sinusoidal at the fundamental frequency: this approach gives quite accurate results for operating points at and above the resonance frequency of the resonant tank (in the continuous conduction mode), while it is less accurate, but still valid, at frequencies below the resonance ...
Atmel LED Driver-MSL3082
Atmel LED Driver-MSL3082

... The MSL3082 features a 1MHz I2C serial interface. The interface supports video frame-by-frame LED string intensity control for up to 16 interconnected devices, allowing active area dimming when used for video displays. The advanced PWM engine synchronizes with the video signal, and offers phase shif ...
Better by design
Better by design

... the distance and direction over which the handle is moved. The analogue output can be configured to provide signals for fault detection circuits within the controller or the direct control of proprietary electrohydraulic valves. A center tap on the analogue track provides an accurate voltage referen ...
POWER MOSFET THRU-HOLE (MO
POWER MOSFET THRU-HOLE (MO

... HEXFET® MOSFET technology is the key to International Rectifier’s advanced line of power MOSFET transistors. The efficient geometry design achieves very low on-state resistance combined with high transconductance. HEXFET transistors also feature all of the well-established advantages of MOSFETs, suc ...
transformer File
transformer File

... The easiest way to transform three-phase voltages into two-phase voltages is with two conventional single-phase transformers. The first transformer is connected phase-to-neutral on the primary (three-phase) side and the second transformer is connected between the other two phases on the primary side ...
MAX1698/MAX1698A High-Efficiency Step-Up Current Regulator for LEDs General Description
MAX1698/MAX1698A High-Efficiency Step-Up Current Regulator for LEDs General Description

... The MAX1698/MAX1698A are switch-mode boost controllers in which LED current, rather than output voltage, is regulated The devices drive series-connected LEDs with a controlled current that is measured with a typically 15Ω sense resistor, not an expensive fractional-ohm value. LED current control and ...
BD9G341EFJ
BD9G341EFJ

... Shutdown function. If the voltage of this pin is below 0.8V, the regulator will be in a low power state. If the voltage of this pin is between 0.8V and 2.4V will be standby mode. If the voltage of this pin is above 2.6V, the regulator is operational. An external voltage divider can be used to set un ...
AP3776 N E W P R O D U C T Description Features Pin
AP3776 N E W P R O D U C T Description Features Pin

... In CC operation mode, the CC control loop of AP3776 will keep a fixed proportion between D1 on-time Tons and D1 off-time Toffs. The fixed proportion is ...
MAX9130 Single 500Mbps LVDS Line Receiver in SC70 General Description Features
MAX9130 Single 500Mbps LVDS Line Receiver in SC70 General Description Features

... offset, coupled with the receiver’s 0 to +2.4V input voltage range, allows an approximate ±1V shift in the signal (as seen by the receiver). This allows for a difference in ground references of the driver and the receiver, the common-mode effects of coupled noise, or both. The LVDS standards specify ...
Resistivity-induced Polarization Receiver/Transmitter Design and
Resistivity-induced Polarization Receiver/Transmitter Design and

MP1 manual - Grimm Audio
MP1 manual - Grimm Audio

... original manufacturer. Please also check this MP1 manual on Grimm Audio’s website, it might have had an update of the microphone list. Three preset high voltage are available from the MP1: 120, 145 and 210 V. These are set internally using jumpers and not by external controls, to avoid costly mistak ...
ISOPLUS-DIL™ Series Designed for Highest Reliability
ISOPLUS-DIL™ Series Designed for Highest Reliability

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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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