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Flux SA loop detector pocket manual
Flux SA loop detector pocket manual

... The loop and feeder should be constructed from XLPE (crosslinked polyethylene) insulated multi-stranded copper wire with a minimum cross-sectional area of 1.5mm2. The feeder should be twisted at a rate of at least 20 turns per metre to improve reliability (Remember that twisting the feeder will shor ...
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... amp. Feedback, provided by the 100k - 10Ω pair, sets closed loop gain at 10,000. Although Q1 and Q2 have extraordinarily low noise characteristics, their offset and drift are uncontrolled. A1 corrects these deficiencies by adjusting Q1’s channel current via Q3 to minimize the Q1-Q2 input difference. ...
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WELDING MACHINES Brandon

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CAT L-200 24 Technical Information pages 783
CAT L-200 24 Technical Information pages 783

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Three-Phase Harmonic Analysis Method for Unbalanced

... sweep technique that can fully use the topological characteristics of distribution systems [12]. However, some specific data formats, such as the coefficient vector defined to record whether the system harmonic currents flow through the branch, needed to be designed and integrated into the commonly ...
ZLM4 OEM Technical Manual  Version 3, June 2014
ZLM4 OEM Technical Manual Version 3, June 2014

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... generally accurate to within 1/3 octave or better. If you would like to select the filter frequency with a higher level of precision, consult Appendix B (page 11) of this manual.This chart gives you a more accurate frequency for each of the forty detented positions of the frequency selection control ...
Digital Duo Charge Installation/Operation
Digital Duo Charge Installation/Operation

... batteries rather than between the alternator and batteries. This allows the alternator and regulator to concentrate output based on the house battery’s needs. When the Duo Charge senses charging voltage at the house battery, it works like a DCto-DC battery charger, providing up to 30 amps of regulat ...
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FDC10 10 Series of Power Moudules : DC/DC Converter

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E. Braun Multiplier with Row and Column Bypassing

... consume considerable power. Hence, it is very important for modern DSP systems to develop lowpower multipliers to reduce the power dissipation and improve performance. Therefore low-power multiplier design has been an important part in modern VLSI system design [1]. In modern VLSI circuits, low-powe ...
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SN74LVCH32245A 32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS FEATURES

... be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that th ...
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Transient Response versus Ripple

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... lockout or tagout, or whose job requires him/her to work in an area in which such servicing or maintenance is being performed. Authorized employee An authorized employee is one who locks out or tags out machines or equipment in order to perform servicing or maintenance on that machine or equipment. ...
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LTC2970/LTC2970-1 - Dual I2C Power Supply Monitor and

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Full-Text PDF

... electrical signal is uniformly distributed throughout the reinforcement, the ∆E/∆I ratio defines Rp . The corrosion current, Icorr , is inversely proportional to Rp , or, Icorr = B/Rp , where B is a constant. Rp can be measured employing direct current or alternating current techniques (Andrade and ...
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AD5757 Data Sheet Quad Channel, 16-Bit,

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3. Rated voltage and short-time withstand current

... Each cubicle shall carry a suitably dimensional identification label clearly indicating the functions and electrical characteristics of the cubicle in accordance with chapter 5.10 of IEC 62271 -200. The switchgear and the switchboards shall be designed in such a way that the positions of the various ...
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... Always connect a matched antenna to the TX/RX connector when transmitting. See the datasheet of the RFPA0133 for more information about the maximum VSWR and current consumption. Failing to meet these specifications can result in permanent damage of the power amplifier. ...
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Applying Interrupting Rating: Circuit Breakers

... An overcurrent protective device must have an interrupting rating equal to or greater than the fault current available at its line terminals for both three-phase bolted faults and for one or more phase-to-ground faults (110.9). Although most electrical systems are designed with overcurrent devices h ...
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... Measurement Category Definitions Measurement category I is for measurements performed on circuits not directly connected to MAINS. Examples are measurements on circuits not derived from MAINS, and specially protected (internal) MAINS derived circuits. In the latter case, transient stresses are varia ...
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Silent Runner Inverter/Charger Power System

... 7 If the Vanner inverter system has been dropped or damaged in any way, do not operate until its operation has been verified to be safe by a qualified technician. 8 To reduce the risk of electric shock always disconnect the AC and DC connections to the Vanner Inverter system before attempting any ma ...
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< 1 ... 109 110 111 112 113 114 115 116 117 ... 2014 >

Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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