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User Guide: First Solar Series 3 Black Plus Module
User Guide: First Solar Series 3 Black Plus Module

Induction Motors
Induction Motors

2.5 V to 5.5 V, 500 μA, 2-Wire Interface AD5305/AD5315/AD5325
2.5 V to 5.5 V, 500 μA, 2-Wire Interface AD5305/AD5315/AD5325

U6 User`s Guide Preface: Warranty, Liability
U6 User`s Guide Preface: Warranty, Liability

... 2.1 - USB For information about USB installation, see Section 1. The U6 has a full-speed USB connection compatible with USB version 1.1 or 2.0. This connection provides communication and power (Vusb). USB ground is connected to the U6 ground (GND), and USB ground is generally the same as the ground ...
EMIX - Oasis
EMIX - Oasis

... comment on or otherwise explain it or assist in its implementation may be prepared, copied, published, and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this section are included on all such copies and derivative works. However, this ...
HiAll APPLICATION NOTE
HiAll APPLICATION NOTE

... The aim of this document is to provide technical guidelines to help the customer to design solutions based on NC HiAll module. ...
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... 11. Marcin Buczaj Supporting of power sources of decision-making devices and security system elements in building by photovoltaic cells 12. Paweł Mazurek The interaction of the plasma reactor system with power system 13. Ryszard Goleman Forces acting on particles and their trajectories in the surrou ...
TLC2554 数据资料 dataSheet 下载
TLC2554 数据资料 dataSheet 下载

... In addition to a high-speed A/D converter and versatile control capability, these devices have an on-chip analog multiplexer that can select any analog inputs or one of three internal self-test voltages. The sample-and-hold function is automatically started after the fourth SCLK edge (normal samplin ...
Section 26 23 00, Low-Voltage Switchgear
Section 26 23 00, Low-Voltage Switchgear

... a. Submit, simultaneously with the shop drawings, companion copies of complete maintenance and operating manuals, including technical data sheets, wiring diagrams, and information for ordering replacement parts. 1) Schematic signal and control diagrams, with all terminals identified, matching termin ...
Energy Meters Quick Selection Guide
Energy Meters Quick Selection Guide

Exelon Energy Delivery Interconnection Guidelines greater than 2
Exelon Energy Delivery Interconnection Guidelines greater than 2

SUPER-QUIET MERCURY
SUPER-QUIET MERCURY

... temperature with a specified current. The cathode temperature is very important for lamps: when too high, evaporation of the cathode materials is accelerated; when too low, work function becomes worse, causing cathode sputtering which greatly reduces the lamp’s life. The lamp current must be set wit ...
Bipolar Transistors
Bipolar Transistors

... • Matching is the statistical study of the differences in the electrical parameters between identically designed components placed at a small distance in an identical environment and used with the same bias conditions ...
Electrical Transmission and Distribution Construction Contractors
Electrical Transmission and Distribution Construction Contractors

MAX6953 2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 7 Matrix LED Display Driver
MAX6953 2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 7 Matrix LED Display Driver

... displays through an I2C™-compatible serial interface. The MAX6953 drives up to four digits (140 LEDs). Included on-chip are an ASCII 104-character font, multiplex scan circuitry, column and row drivers, and static RAM that stores each digit, as well as font data for 24 user-definable characters. The ...
MAX9370/MAX9371/MAX9372 LVTTL/TTL-to-Differential LVPECL/PECL Translators General Description
MAX9370/MAX9371/MAX9372 LVTTL/TTL-to-Differential LVPECL/PECL Translators General Description

... The MAX9370/MAX9371/MAX9372 LVTTL/TTL-to-differential LVPECL/PECL translators are designed for highspeed communication signal and clock driver applications. The MAX9370/MAX9372 are dual LVTTL/TTL-to-LVPECL/PECL translators that operate in excess of 1GHz. The MAX9371 is a single translator. The MAX93 ...
SD 6 Digital Dimmer
SD 6 Digital Dimmer

... To achieve correct Earthing and mains power distribution, it is recommended that all dimmers and lighting control equipment within the installation should draw mains power from one central distribution point. This should be as close as possible to the mains power intake for the site or building. The ...
USB Type-C™ Power Path Protection With
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... Non-compliant or malfunctioning adapters have the capability to immediately output a high voltage and hot-plug onto a USB Type-C™ port, while short-circuit events can be generated from unwanted debris or moisture on the USB Type-C port. The central feature set of the TIDA-03030 reference design invo ...
AN28 - Thermocouple Measurement
AN28 - Thermocouple Measurement

... input resistors in the 10k to 100k range are needed. Under these conditions, bias current for the amplifier needs to be less than 1nA to avoid offset and drift effects. To avoid gain error, high open-loop gain is necessary for single-stage thermocouple amplifiers with 10mV/°C or higher outputs. A type ...
Post-Dennard Scaling and the final Years of Moore`s Law
Post-Dennard Scaling and the final Years of Moore`s Law

AF-300 E11 - GE Industrial Solutions
AF-300 E11 - GE Industrial Solutions

... The ground terminal G should always be connected to the ground. Don’t use RCD as the sole method of electric shock protection. Sizess of external PE (ground) conductor should be the same size as the input phase conductor and capable of the same fault currents. ...
Evolution One Owner`s Reference
Evolution One Owner`s Reference

ON REDUCTION OF SUBSTRATE NOISE IN MIXED-SIGNAL CIRCUITS Erik Backenius
ON REDUCTION OF SUBSTRATE NOISE IN MIXED-SIGNAL CIRCUITS Erik Backenius

... noise (SSN). On-chip decoupling capacitors are commonly used to form low impedance paths for reducing voltage fluctuations. When a decoupling capacitor is added, the SSN can be attenuated, but the added capacitor also lowers the resonance frequency as seen in (2.2). On-chip decoupling has earlier co ...
MAX II Development Board
MAX II Development Board

... of 0.33-Ω resistors in parallel as the sensing element. This has a maximum voltage drop of 41 mV at 250 mA. At high current levels, the resolution with an 8-bit converter is roughly 1 mA. The current sensor is located upstream from the regulators for the VCCINT and VCCIO voltages so that only one of ...
Lighting Control Devices
Lighting Control Devices

... When required by local code, power pack must install inside standard electrical enclosure and provide UL recognized support to junction box. All class 1 wiring is to pass through chase nipple into adjacent junction box without any exposure of wire leads. Power pack shall incorporate a Class 1 relay ...
< 1 ... 84 85 86 87 88 89 90 91 92 ... 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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