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Motor Nonlinearities in Electrodynamic Loudspeakers
Motor Nonlinearities in Electrodynamic Loudspeakers

MAX1966/MAX1967 Low-Cost Voltage-Mode PWM Step-Down Controllers General Description
MAX1966/MAX1967 Low-Cost Voltage-Mode PWM Step-Down Controllers General Description

... 3) Inductor Value: This choice provides tradeoffs between size, transient response, and efficiency. Higher inductance value results in lower inductor ripple current, lower peak current, lower switching losses, and, therefore, higher efficiency at the cost of slower transient response and larger size ...
EXPERIMENTAL INVESTIGATION Laboratory test # 1/1 Direct
EXPERIMENTAL INVESTIGATION Laboratory test # 1/1 Direct

IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,

... transient response and ease of control. PWM dc–dc converters have been widely used in industry. Among these dc/dc converters, the flyback topology is the most attractive because of its relative simplicity compared with other topologies used in low power applications. The flyback transformer serves t ...
Motor Mounted Components - Altra Literature Portal
Motor Mounted Components - Altra Literature Portal

SMAW - STUDY GUIDE True/False Indicate whether the statement is
SMAW - STUDY GUIDE True/False Indicate whether the statement is

... ____ 14. Which are the three units used to measure a welding current? a. Voltage, Ohms, and arc length b. Ohms, arc length, and Amps c. arc length, Amps, and Watts d. Amps, Watts, and Volts ____ 15. ____ controls the maximum gap the electrons can jump to form the arc. a. Voltage b. Amperage c. Heat ...
MSD 6AL-2 Ignition Control
MSD 6AL-2 Ignition Control

... Routing: Correct routing of the plug wires is also important to performance. Wires should be routed away from sharp edges and engine heat sources. If there are two wires that are next to each other in the engine’s firing order, the wires should be routed away from each other to avoid inducing a spar ...
DESIGN AND EVALUATION OF A TRANSCUTANEOUS ENERGY
DESIGN AND EVALUATION OF A TRANSCUTANEOUS ENERGY

... For an implanted system with an appreciable telemetry range, and where significant neural signal processing is performed continuously, a major obstacle for clinical application is the need for a power source. Existing battery technology and wireless power delivery systems have not addressed the need ...
transformers
transformers

Aluminum Electrolytic Capacitors - General technical
Aluminum Electrolytic Capacitors - General technical

V(t)
V(t)

... So, the current peaks ahead in time (earlier) of the voltage There is a difference in phase of /2 (900) why? When there is not much charge on the capacitor it readily accepts more and current easily flows. However, the E-field and potential between the plates increase and consequently it becomes mo ...
Vacuum Gas-FilledRELAys
Vacuum Gas-FilledRELAys

... will operate safely. Heat will be generated by the current flowing through the relay, which will elevate the temperature above ambient depending on the current level imposed. Pull-in voltage — The minimum coil voltage required to operate a relay so that all normally open contacts close. Dropout volt ...
starters and circle diagram for Induction motor File
starters and circle diagram for Induction motor File

... very large, normally 6 to 8 times the rated current. The starting torque is likely to be 0.75 to 2 times the full load torque. In order to avoid excessive voltage drops in the supply line due to high starting currents, the DOL starter is used only for motors with a rating of less than 5KW There are ...
Comparative Measurements on Loudspeaker Distortion: Current vs
Comparative Measurements on Loudspeaker Distortion: Current vs

DSS3515M Features Mechanical Data
DSS3515M Features Mechanical Data

... Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use o ...
AAT3155 数据资料DataSheet下载
AAT3155 数据资料DataSheet下载

... Ceramic capacitors less than 0.1µF are typically made from NPO or C0G materials. NPO and C0G materials generally have tight tolerance and are very stable over temperature. Larger capacitor values are usually composed of X7R, X5R, Z5U, or Y5V dielectric materials. Large ceramic capacitors (i.e., grea ...
internally regulated generators
internally regulated generators

ABSTRACT - TheToppersWay
ABSTRACT - TheToppersWay

... are not only the highly sensitive magnetic sensors but these can also be made to act as switches by flipping the magnetization in one of the layers. This allows information to be stored as 0s and 1s (magnetisations of the layers parallel or anti parallel) as in a conventional transistor memory devic ...
MAX1561/MAX1599 High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs General Description
MAX1561/MAX1599 High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs General Description

... 0.3µA by powering down the entire IC except for the CTRL voltage-detection circuitry. CCOMP is discharged during shutdown, allowing the device to reinitiate softstart when it is enabled. Although the internal N-channel MOSFET does not switch in shutdown, there is still a DC current path between the ...
ZXLD1322 - Diodes Incorporated
ZXLD1322 - Diodes Incorporated

Skyworks Capacitor Model for ESD Applications
Skyworks Capacitor Model for ESD Applications

ALS60/61 Series, +85°C
ALS60/61 Series, +85°C

... has been put in place to prevent the use of some hazardous materials, such as lead (Pb), in electronic equipment. All products in this catalog are produced to help our customers’ obligations to guarantee their products and fulfill these legislative requirements. The only material of concern in our p ...
lecture 3
lecture 3

...  Internal resistance of the diode=zero (no limiting resistance for the forward current) ...
Determination of the output characteristics of electron tube generators
Determination of the output characteristics of electron tube generators

Introductory Circuit Analysis, Tenth Edition
Introductory Circuit Analysis, Tenth Edition

< 1 ... 20 21 22 23 24 25 26 27 28 ... 209 >

Coilgun



A coilgun (or Gauss rifle, in reference to Carl Friedrich Gauss, who formulated mathematical descriptions of the magnetic effect used by magnetic accelerators) is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity. In almost all coilgun configurations, the coils and the gun barrel are arranged on a common axis.Coilguns generally consist of one or more coils arranged along a barrel, so the path of the accelerating projectile lies along the central axis of the coils. The coils are switched on and off in a precisely timed sequence, causing the projectile to be accelerated quickly along the barrel via magnetic forces. Coilguns are distinct from railguns, as the direction of acceleration in a railgun is at right angles to the central axis of the current loop formed by the conducting rails. In addition, railguns usually require the use of sliding contacts to pass a large current through the projectile or sabot but coilguns do not necessarily require sliding contacts. Whilst some simple coilgun concepts can use ferromagnetic projectiles or even permanent magnet projectiles, most designs for high velocities actually incorporate a coupled coil as part of the projectile.
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