• 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
SURGE ARRESTORS OR LIGHTNING ARRESTORS. Lightning
SURGE ARRESTORS OR LIGHTNING ARRESTORS. Lightning

... horns are mounted on small porcelain insulators. The air gap is adjusted such a way that the discharge does not take place at normal working condition but at predominantly excessive voltages the arc is set in the gap. A choking coil is introduced in series to the arrestor so that the high frequency ...
R 0
R 0

BDTIC 6ED003L06-F Gate Drive IC for three phase converters -
BDTIC 6ED003L06-F Gate Drive IC for three phase converters -

... hence reduces the parasitic capacitance tremendously. Moreover, this insulation barrier disables leakage or latch-up currents between adjacent devices. A major technological advantage of the Thin-Film-SOI technology is the easy way of lateral insulation of elements inside the silicon film. The thin ...
Thevenin Equivalent Circuits
Thevenin Equivalent Circuits

Pass Transistor Logic
Pass Transistor Logic

Small 2A, Low-Dropout Linear Regulator in a 2.7mm x 1.6mm
Small 2A, Low-Dropout Linear Regulator in a 2.7mm x 1.6mm

... (COUT). 10µF can be used for lower current operation (1A for example). Use only surface-mount ceramic capacitors that have low equivalent series resistance (ESR). Make the input and output traces at least 2.5mm wide, and connect CIN and COUT within 6mm of the IC to minimize the impact of PCB trace i ...
110W 54V Power Supply Demo Board using ICL5101
110W 54V Power Supply Demo Board using ICL5101

Chapter 10: Passive Components
Chapter 10: Passive Components

... Tolerance, Temperature, and Other Effects In general, precision capacitors are expensive and—even then— not necessarily easy to buy. In fact, choice of capacitance is limited both by the range of available values, and also by tolerances. In terms of size, the better performing capacitors in the film ...
ACDC2017_0008_final - The University of Manchester
ACDC2017_0008_final - The University of Manchester

... dynamic studies in an electromechanical time-frame, which is compatible with balanced AC system studies. Hence, a negative sequence current control is neglected [11]. The control system analysis is based on the per unit representation of the controller transfer function to avoid the complications as ...
FAN5026  Dual DDR / Dual-Output PWM Controller F
FAN5026 Dual DDR / Dual-Output PWM Controller F

... ripple. The controller can be transformed into a complete DDR memory power supply solution by activating a designated pin. In DDR Mode, one of the channels tracks the output voltage of another channel and provides output current sink and source capability — essential for proper powering of DDR chips ...
Lesson 4 – Circuits and Resistance
Lesson 4 – Circuits and Resistance

LTC4401-1/LTC4401-2 - RF Power Controllers with 250kHz Loop BW and 45dB Dynamic Range.
LTC4401-1/LTC4401-2 - RF Power Controllers with 250kHz Loop BW and 45dB Dynamic Range.

... Power ramp sidebands and power/time are also a factor when ramping to zero power. When the power is ramped down the loop will eventually open at power levels below the LTC4401-X detector threshold. The LTC4401-X will then go open loop and the output voltage at VPCA/B will stop falling. If this volta ...
Low Power DC/DC Boost Converter in SOT-23
Low Power DC/DC Boost Converter in SOT-23

... The TPS6104x operates with an input voltage range of 1.8 V to 6 V and can generate output voltages up to 28 V. The device operates in a pulse-frequency-modulation (PFM) scheme with constant peak current control. This control scheme maintains high efficiency over the entire load current range, and wi ...
AN3971
AN3971

... The stability of the regulation loop can be externally regulated by connecting a resistor and a capacitor (pole-zero compensation) between the PZ_OUT pin and SGND pin. The PZ_OUT pin may have two different roles: ...
accurate measurement of the mains frequency
accurate measurement of the mains frequency

Electrical Machines lab –II Manual
Electrical Machines lab –II Manual

... field and field current is adjusted to 0.3A ( 20% of rated field current) 3. The DC supply to the field is removed and SPST switch is connected across the field by closing the switch 4. As 3- ɸ , 440V, 50Hz AC supply is applied to 3- ɸ dimmer stator keeping it in minimum output position, keeping it ...
Document
Document

... circuit and associated start windings to give the initial rotation in a single phase induction motor. The normal running windings within such a motor can cause the rotor to turn in either direction, so the starting circuit determines the operating direction. A polyphase induction motor is self-start ...
c50_bias.pdf
c50_bias.pdf

The Nature of Resistance - Purdue College of Science
The Nature of Resistance - Purdue College of Science

SIGC04T60G
SIGC04T60G

... Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies components may only be used in life-support devices or systems with the express written approval of Infi ...
AC Film Capacitors in Connection with the Mains
AC Film Capacitors in Connection with the Mains

... impedances will be in the range of 220  to a few k depending on the low voltage application and by this the surge will be topped off to a few hundred volts maximum. In all other conditions still an approved safety component must be used, but here the extra functions as stable capacitance and adjus ...
NCP58300 - Very Low Dropout Fast Transient
NCP58300 - Very Low Dropout Fast Transient

ERP020-030-040 data sheet revF 26OCT2016
ERP020-030-040 data sheet revF 26OCT2016

... The ERP drivers operate only with 0-10V dimmers that sink current. They are not designed to operate with 0-10V control systems that source current, as used in theatrical/entertainment systems. Developed in the 1980’s, the 0-10V sinking current control method is adopted by the International Electrote ...
DCVG Holiday Detector - EP-Tech
DCVG Holiday Detector - EP-Tech

switching voltage regulator and variable current limiter
switching voltage regulator and variable current limiter

< 1 ... 383 384 385 386 387 388 389 390 391 ... 947 >

Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report