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Lecture15
Lecture15

... MESH 1 : 12kI1  12V  6k ( I1  I3 )  0 MESH 2 :  12V  4k ( I 2  I 4 )  4k ( I 2  I3 )  0 MESH 3 :  9V  6k ( I3  I1)  4k ( I3  I 2 )  0 MESH 4 : 9V  4k ( I 4  I 2 )  2kI 4  0 ...
Testing Resistance Welding Transformers
Testing Resistance Welding Transformers

... manufacturing. Often the turns ratio is used in a weld control to calculate the secondary current when the control is monitoring the primary current. It is common practice to adjust this ratio while calibrating the weld control with an external current meter. The true turns ratio is the ratio of tur ...
RMSL-‐348 AC to DC Power Supply Owners Guide
RMSL-‐348 AC to DC Power Supply Owners Guide

... The individual user should take care to determine, prior to use or installation, whether this device is suitable, adequate or safe for the use intended. Since individual applications are subject to great variation, DuraComm makers no representation or warranty as to the merchantability, suitability ...
PPT - LSU Physics & Astronomy
PPT - LSU Physics & Astronomy

... Physics 2113 ...
Chapter 4
Chapter 4

... • Basic Electromagnetics • Unmatched terminations lead to reflections • How to match previous figure: ...
PDF
PDF

... 1.1. Single-phase, electrically operated vacuum switch with close and latch capability. The Edison Capacitor Switch is intended for application on up to 15.6 kV ungrounded WYE systems or 27 kV solidly grounded WYE systems for the 15 kV rated switch, and 25 kV ungrounded WYE systems or 38 kV solidly ...
May 2004 Flexible, High Speed Amplifiers Fit Many Roles
May 2004 Flexible, High Speed Amplifiers Fit Many Roles

... driver with an independently selectable ramp rate. The time period set by the capacitor at TIMER provides the sequencing delay between the ramps. It is important to note that because the automatic remote sense switches activate before the power good signal activates, sources ramped by PG cannot take ...
PPT - EECS - University of Michigan
PPT - EECS - University of Michigan

Safety First!
Safety First!

Safe use of extension cords
Safe use of extension cords

Application Tip - Beckwith Electric Co., Inc.
Application Tip - Beckwith Electric Co., Inc.

... drop. (If the bandcenter setting is 120 V and LDC voltage drop calculation is 3 V, the new bandcenter will be 123 V. This causes the desired voltage level to appear at the load center.) (The setpoint may also be correctly lowered with leading power factor loads.) Setting: R & X values are actually i ...
4.2.2 – Parallel Circuits NAME: DATE: PARTNERS:
4.2.2 – Parallel Circuits NAME: DATE: PARTNERS:

... This
parallel
circuit
can
be
thought
of
as
two
current
loops
(1
and
2),
as
indicated
in
the
above
diagram.

 Measure
the
current
in
the
following
places.
Note:

to
measure
current
properly,
the
ammeter
must
be
 connected
in
series.


 ...
Bio-impedance Measurement
Bio-impedance Measurement

AN-397 Electrically Induced Damage to Standard
AN-397 Electrically Induced Damage to Standard

61-164 SureTest Circuit Analyzer Instructions
61-164 SureTest Circuit Analyzer Instructions

... If the wiring condition is other than normal, the SureTest is limited on its measurements that can be performed. If a no ground condition exists, only the line voltage and voltage drop measurements are available. In a hot/ground reversal, open neutral or open hot condition, the unit will not have an ...
3CX3000A7- - - 7.12to 7.87 VAC
3CX3000A7- - - 7.12to 7.87 VAC

... the contact you are using. If there is too. much resistance, contact the transceiver's manufacturer about possible solutions to this problem. ...
The MIT Cables, Terminators, and Hoses
The MIT Cables, Terminators, and Hoses

... for more than one session—the sound was grainy, steely, irritating, lifeless, flat, and completely non-dimensional. I wasted little time reversing the amplifiers, Chord on top, Levinson on the bottom—and this was much better. The sound got its spooky detail and transient capability back, with a huge ...
555 Timer As Mono Stable Multi Vibrator
555 Timer As Mono Stable Multi Vibrator

BO35377383
BO35377383

Microsoft Powerpoint File
Microsoft Powerpoint File

GQ3112761281
GQ3112761281

INA217 - LAR
INA217 - LAR

... Very low source impedance (less than 10Ω) can cause the INA217 to oscillate. This depends on circuit layout, signal source, and input cable characteristics. An input network consisting of a small inductor and resistor, as shown in Figure 2, can greatly reduce any tendency to oscillate. This is espec ...
LFCL Series Cable Limiter Datasheet
LFCL Series Cable Limiter Datasheet

... protection. They are instead selected by cable size; for example, a 500 kcmil cable requires a 500 kcmil cable limiter. Their main use is to isolate faulted cables in circuits con­tain­ing three or more parallel conductors per phase. They may be installed on the line side of the main service to prov ...
Lab #12 DC Power - Northern Arizona University
Lab #12 DC Power - Northern Arizona University

... color diodes are on at the same time (circle in the table below). Note that VS is positive for half the cycle and negative for the other half. Display Vs on the oscilloscope with a slow time scale and determine whether VS is positive or negative when each pair of diodes is on and circle the correct ...
WHM1722AE
WHM1722AE

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Ground loop (electricity)

In an electrical system, a ground loop is an equipment and wiring configuration which results in excessive unwanted current in a conductor connecting two points that are supposed to be at the same electric potential, often ground, but are actually at different potentials.Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. They do not in themselves create an electric shock hazard, the inappropriate connections merely create a not necessarily very good instance of Electrical_bonding, which is explicitly required by safety regulations in certain circumstances. In any case the voltage difference between the ground terminals of each item of equipment is small. A severe risk of electric shock occurs when equipment grounds are improperly removed in an attempt to cure the problems thought to be caused by ground loops.
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