• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Technical recommendation for the purchase of EAVC for HV systems
Technical recommendation for the purchase of EAVC for HV systems

... This recommendation details the technical requirements for all equipment to be used in the enhanced automatic control of voltage at High Voltage networks. The document applies to:  Primary transformers that have a primary winding operating at Extra High Voltage (greater than 30 kV but less than 100 ...
Figure 1-6.7: Projected sales of So-Long Battery
Figure 1-6.7: Projected sales of So-Long Battery

... Replacing a rechargeable battery with a supercapacitor is more efficient because the capacitor can be power cycled more times than a rechargeable battery; therefore, there is extended life in the circuit. There is also the added benefit that the power delivery from the supercapacitor occurs much fas ...
MX7534/MX7535 Microprocessor-Compatible, 14-Bit DACs _______________General Description
MX7534/MX7535 Microprocessor-Compatible, 14-Bit DACs _______________General Description

... are sensitive to offset voltages, connect nodes that must be grounded directly to a single-point ground through a separate, very-low-resistance path. Note that the output currents at IOUT and AGNDF vary with input code and create code-dependent error if these terminals are connected to ground (or a ...
CABLINGAND CONNECTIVITY PoE AND ITS IMPACT ON
CABLINGAND CONNECTIVITY PoE AND ITS IMPACT ON

... The first PoE standard, IEEE 802.3af utilized a maximum of 350 mA to supply its power level while IEEE 802.3at utilized a maximum of 600 mA to supply its power level. The number of devices utilizing or looking to use PoE continues to increase. With that, the expectations for the application and the ...
DC Motors Introduction D.C. motors are seldom used in ordinary
DC Motors Introduction D.C. motors are seldom used in ordinary

... Hence mechanical power devloped by the motor is maximum when back e.m.f. is equal to hald the applied voltage. Limitations : In practive, we never aim at achieving maximum power due to the following reasons: (i) The armature current under this condition is ver large – much excess of rated current of ...
FE21982988
FE21982988

Type T Product Line Brochure
Type T Product Line Brochure

... The World Leader in Single to Three-Phase Electric Power Conversion Converters offer the most economical way to operate your three-phase transmitter from a single-phase supply The Phasemaster Rotary Converter is specially engineered for use with all makes and designs of radio and television broadcas ...
Electric Circuits and Electromagnetism Review
Electric Circuits and Electromagnetism Review

... The voltmeter will read 12 V, since the potential difference across the resistor must be equal to the potential difference across the battery. As we will see later, if there were more than one resistor in the circuit, there would not necessarily be 12 volts across each. The power can be found by P = ...
Advance IOP2P32HLSC35I 1.18 Ballast Factor Spec Sheet
Advance IOP2P32HLSC35I 1.18 Ballast Factor Spec Sheet

... 2.1 Ballast shall be ___________ (Instant or Programmed) Start. 2.2 Ballast shall provide Independent Lamp Operation (ILO) for Instant Start or Programmed Start Parallel ballasts allowing remaining lamp(s) to maintain full light output when one or more lamps fail. 2.3 Ballast shall contain auto rest ...
download
download

... Crouse-Hinds Airport Lighting Products (the “Company”) warrants to each original Buyer of Products manufactured by the Company that such Products are, at time of delivery to the Buyer, free of material and workmanship defects, provided that no warranty is made with respect to: (a) any Product which ...
9kVA Hot Swap Inverter Systems - SABRE Series
9kVA Hot Swap Inverter Systems - SABRE Series

... The modular design and N+1 redundant capability of SABRE allows the system to be configured for a variety of complex Telecommunication and Industrial power requirements. An “All Master” dynamic mechanism prevents interruption to critical loads from one or more inverter module failures. SABRE’s stati ...
Advance IOPA2P32LWN35I 0.77 Ballast Factor
Advance IOPA2P32LWN35I 0.77 Ballast Factor

... 2.1 Ballast shall be ___________ (Instant or Programmed) Start. 2.2 Ballast shall provide Independent Lamp Operation (ILO) for Instant Start or Programmed Start Parallel ballasts allowing remaining lamp(s) to maintain full light output when one or more lamps fail. 2.3 Ballast shall contain auto rest ...
2008 26 Spring Wiring Matters
2008 26 Spring Wiring Matters

... barriers or enclosures) and/or failure of the provision for fault protection or carelessness by users. The measure must not be used as the sole means of protection and does not obviate the need to apply one of the protective measures specified in ...
6.0 Electrical Installations - Department of Electrical Engineering
6.0 Electrical Installations - Department of Electrical Engineering

... The circuit breaker is a device for making and breaking a circuit (under normal and abnormal conditions). A circuit breaker is selected for a particular duty taking the following into consideration (a) the normal current it will have to carry and (b) the amount of current which the supply system wil ...
You can guess which fuse is bad… or you can try this
You can guess which fuse is bad… or you can try this

... the enclosure, is always to test the line side voltage, which should be hot. After that, one of several methods can be used to isolate a bad fuse: • Current measurement: Use a clamp to read the current on each phase: the phase with an open fuse will have zero current. Of course this assumes that nor ...
Experimental investigation of the metals vaporization and ionization
Experimental investigation of the metals vaporization and ionization

... its high atomic mass, relatively low ionization energy and low melting temperature. Metals with such characteristics can be used as solid propellant for electric propulsion in interplanetary missions. The existing systems microwave thrusters (MT), used so far only gaseous propellants such as (Xe , K ...
2015 General Class FCC Element 3 Question Pool
2015 General Class FCC Element 3 Question Pool

AD7870/AD7875/AD7876 LC2MOS Complete, 12
AD7870/AD7875/AD7876 LC2MOS Complete, 12

EFRATOM LPRO 101 Repair Guide
EFRATOM LPRO 101 Repair Guide

... brownish glass, a lamp which leaked has transparent glass with some small white pigments. It you tried turning the lamp assembly trimmer in order to increase lamp volt, you could have "forced" it causing the rotation of its hot (not ground) lead and possible short on the coil inside the lamp assembl ...
Manual
Manual

... CHARISMA should not be installed near units which produce strong magnetic fields or extreme heat. Do not install CHARISMA directly above or below power amplifiers or digital processors. This eliminates problems which could result from interfering high-frequencies such as clock frequencies, MIDI or S ...
MAX8520/MAX8521 Smallest TEC Power Drivers for Optical Modules General Description
MAX8520/MAX8521 Smallest TEC Power Drivers for Optical Modules General Description

... and control the TEC current to eliminate harmful current surges. On-chip FETs minimize external components and high switching frequency reduces the size of external components. ...
Rev. A - Texas Instruments
Rev. A - Texas Instruments

Glossary of Standard Operating Terms
Glossary of Standard Operating Terms

SA420 Signal Conditioner - Electro
SA420 Signal Conditioner - Electro

Variable Frequency Drive Field Installation
Variable Frequency Drive Field Installation

< 1 ... 443 444 445 446 447 448 449 450 451 ... 2646 >

Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report