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Orderly power-up of XC87x and XC85x devices
Orderly power-up of XC87x and XC85x devices

50/30 PTCDF/T2 Operators Manual
50/30 PTCDF/T2 Operators Manual

... as there is no indication on the voltmeter on start up. This will sometimes be caused by a too careful increase in power take-off speed. Rated speed isn't actually reached. The better procedure is to adjust to maximum, then back down to maintain the indication in the "green" portion of the color ban ...
MODEL AR6006 SAFETY INFORMATION SPECIFICATIONS
MODEL AR6006 SAFETY INFORMATION SPECIFICATIONS

Power Dense and Robust Traction Power Inverter for the Second
Power Dense and Robust Traction Power Inverter for the Second

... plant the TPIM is mounted inside a cavity in the transmission that is sealed from the outside environment. All the interfaces between the TPIM and the other transmission mounted electrical components (motors, sensors and actuators) is accomplished inside the boundaries of the transmission housing. T ...
ACS712: Fully Integrated, Hall Effect
ACS712: Fully Integrated, Hall Effect

... IC amplifier gain (mV/G). The linear IC amplifier gain is programmed at the factory to optimize the sensitivity (mV/A) for the full-scale current of the device. Noise (VNOISE). The product of the linear IC amplifier gain (mV/G) and the noise floor for the Allegro Hall effect linear IC (≈1 G). The no ...
ACS712: Fully Integrated, Hall Effect
ACS712: Fully Integrated, Hall Effect

... IC amplifier gain (mV/G). The linear IC amplifier gain is programmed at the factory to optimize the sensitivity (mV/A) for the full-scale current of the device. Noise (VNOISE). The product of the linear IC amplifier gain (mV/G) and the noise floor for the Allegro Hall effect linear IC (≈1 G). The no ...
Data Sheet - Soemtron.org
Data Sheet - Soemtron.org

... 5. For low current operation, the AlGaAs HDSP-E10X series displays are recommended. They are tested at 1 mA dc/segment and are pin for pin compatible with the HDSP-E15X series. 6. For low current operation, the HER HDSP-335X series displays are recommended. They are tested at 2 mA dc/segment and are ...
design and analysis of axial-flux coreless permanent magnet disk
design and analysis of axial-flux coreless permanent magnet disk

... electrical energy without any permanent loss of their own energy. That means the better magnet the better transducer and finally the better whole device. That is why, it is so important to learn ...
Voltage measurements made easy
Voltage measurements made easy

... The diode across the coils of the relays is used to short out any electrical energy created by the collapsing magnetic field in the relay coil when the voltage is removed. Assume for this example that one of the diodes has opened. Without the diode to short out the energy released by the collapsing ...
Annex I High Voltage - Loughborough University
Annex I High Voltage - Loughborough University

ADS1209 数据资料 dataSheet 下载
ADS1209 数据资料 dataSheet 下载

... range, operating from a single +5V supply. The differential inputs are ideal for direct connection to signal sources in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing codes ...
Electronically Commutated Motors
Electronically Commutated Motors

... to the motor housing offering full speed control range. Speed adjustment is made with a small flat head screwdriver. With this option, the motor’s 0-10V DC control leads are terminated in a standard 2x4 junction box from the factory and can remain there if not required by the end user. ...
Optima Battery NSN List - Military Battery Systems
Optima Battery NSN List - Military Battery Systems

7.6 mm (0.3 inch)/10.9 mm (0.43 inch) Seven Segment Displays
7.6 mm (0.3 inch)/10.9 mm (0.43 inch) Seven Segment Displays

... 5. For low current operation, the AlGaAs HDSP-E10X series displays are recommended. They are tested at 1 mA dc/segment and are pin for pin compatible with the HDSP-E15X series. 6. For low current operation, the HER HDSP-335X series displays are recommended. They are tested at 2 mA dc/segment and are ...
G040292-00 - DCC
G040292-00 - DCC

...  Single ADC on controller board that operates at 2048 Hz (16 lines x 16 addresses x 16 Hz)  GPS synchronized ...
Colonne lumineuse
Colonne lumineuse

... Adding sound to a visual signal enhances the critical nature of the status, bringing more attention to certain conditions while still allowing up to five LED modules to be used because the alarms are built into the base. ...
Assessment Task 1
Assessment Task 1

... Plan and design your circuit on PCB Express Check your design against the circuit schematic and secure approval to proceed with the manufacturing phase from the lecturer Manufacture the PCB, populate the circuit with the correct components and solder them safely in place Visually check the completed ...
L-20(NKD)
L-20(NKD)

... As the lagging power factor decreases from 1.0 to 0.5, with φ increasing from 0° to + 60° , the reading of the first wattmeter, W1 decreases from a certain positive value to zero (0). But the reading of the second wattmeter, W2 increases from a certain positive value to positive maximum, as the lagg ...
The Picaxe Hatchet Board
The Picaxe Hatchet Board

... IR Remote Controller Multi-Purpose Timer Multi-Setpoint Temperature Controller Remote Voltage Monitor These 6 basic applications are provided as examples for what you can do with the Hatchet board. Use the programs as-is or modify away. If you come up with a neat application that you would like to s ...
High Voltage High-Resistance Pulsing Ground Systems
High Voltage High-Resistance Pulsing Ground Systems

... applied on wye-connected sources when the neutral point is not conveniently accessible from the service entrance location. This method is shown in the illustration to the left. One delta high-resistance grounding would ground the 5 kV system. ...
7.6 mm - iuma.ulpgc
7.6 mm - iuma.ulpgc

... 1. These displays are recommended for high ambient light operation. Please refer to the HDSP-E10X AlGaAs and HDSP-335X HER data sheet for low current operation. 2. Universal pinout brings the anode and cathode of each segment’s LED out to separate pins. See internal diagram D. 3. Universal pinout br ...
Experimental Investigation of Transient Voltage and Current
Experimental Investigation of Transient Voltage and Current

... attenuation on a conductor with the total length x 0 =30m, when a current of 10.64kA from the IG is applied. It is observed from voltage and current waveforms that the time to peak of the current is nearly independent from the distance from the sending end, while that of the voltage increases notice ...
Aalborg Universitet Unbalanced Grid Voltage Condition
Aalborg Universitet Unbalanced Grid Voltage Condition

... Although the given proportion of the two wind farms does not represent a real installation, there are a number of existing wind farms which have both PMSG and FSIG in the range of around tens MW. The PMSG-based wind farm consists of 30 1MW PMSG-based wind turbines, and the FSIG-based wind farm consi ...
Voodoo Labs Pedal Power 2 Manual
Voodoo Labs Pedal Power 2 Manual

... On the bottom of the Pedal Power is an 8 position DIP switch with switches numbered 1-8. These switches correspond to Outputs 1-8 and select the output voltage. Normally, they should all be in the “OFF” or “NORMAL” position for 9 volt operation. Boss Pedals There are two types of Boss pedals. These ...
LM2940QML 1A Low Dropout Regulator (Rev. B)
LM2940QML 1A Low Dropout Regulator (Rev. B)

< 1 ... 841 842 843 844 845 846 847 848 849 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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