Electrical Engineering Forum

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

Threads

Generator size vs frequency question

  • girts
  • · Replies 8 ·
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8

Learning to program the PIC18F2520 quickly

  • Machtig
  • · Replies 8 ·
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8

Which fuse should i use for a step down transformer

  • PJP
  • · Replies 7 ·
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7

Passive and Active Low Pass Filters

  • jendrix
  • · Replies 5 ·
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5

How Can I Broadcast a Message Into Outer Space Using Radio Waves?

  • Tuts
  • · Replies 3 ·
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3

What is voltage when running current through copper plats?

  • Matt01
  • · Replies 1 ·
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1

Power Plants and Micro-Regulation

  • Frank Peters
  • · Replies 1 ·
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1

Difference between bifurcation and chaos

  • student-engineer
  • · Replies 1 ·
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1

Restoring a 1984 appliance safety tester with relay and electrical tests

  • Guineafowl
  • · Replies 5 ·
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5

Why do LEDs in a circuit need resistors in series?

  • Borek
  • · Replies 6 ·
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6

Graphs of Current through a Transformer

  • lekh2003
  • · Replies 5 ·
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5

Is Spline Interpolation an FIR Filter

  • bhobba
  • · Replies 2 ·
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2

What core materials are suitable for high-speed stepper motors?

  • me_dexter
  • · Replies 1 ·
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1

2-stage voltage multiplier question

  • lbminh2015
  • · Replies 17 ·
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17

AC generator winding configuration and voltages in a Hyundai unit

  • Shane Kennedy
  • · Replies 9 ·
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9

Looking for the right MOSFET transistor

  • Charlie Kelly
  • · Replies 6 ·
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6

What is a Superegenerative Detector and How Does it Work?

  • michael1978
  • · Replies 21 ·
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21

Carrier spacing related to period to go in phase

  • Natalie Johnson
  • · Replies 10 ·
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10

Why is the voltage across an inductor negative?

  • Drakkith
  • · Replies 7 ·
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7

Is charging off of a car battery harmful for the car?

  • karabiner98k
  • · Replies 21 ·
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21

Magnetic flux in tap changing transformers

  • Darius Troy
  • · Replies 5 ·
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5

Energy consumed in a digital circuit

  • reddvoid
  • · Replies 9 ·
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9

Why is there a diode between two sources?

  • Junior01
  • · Replies 25 ·
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25

Losing neutral in the utility system

  • Averagesupernova
  • · Replies 107 ·
4
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107

Source free RL Circuit derivation

  • jaus tail
  • · Replies 15 ·
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15

Need to Find the Total Resistance

  • paranormalllama
  • · Replies 2 ·
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2

Finding capacitor ratings for a TI5532 preamp design

  • JohnM24018
  • · Replies 21 ·
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21

How to get the fuse rating you need for a DC power supply

  • George317
  • · Replies 3 ·
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3

What generator/DC motor do I need for my wind turbine

  • DustyBIG
  • · Replies 14 ·
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14

Hardware interface and App SW development for Smart Phones

  • berkeman
  • · Replies 5 ·
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5

Does alternator efficiency increase with RPM in permanent magnet designs?

  • wmingin
  • · Replies 2 ·
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2

Using Tektronix Oscilloscope to Measure Phase

  • quantumfoam
  • · Replies 10 ·
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10

Why does electromagnetic induction occur

  • tor2006
  • · Replies 6 ·
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6

Testing a Microcontroller with a Function Generator

  • gregolive
  • · Replies 19 ·
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19

Counting clicks (signals) at a radio frequency receoved by a shortwave radio

  • Rob Rushworth
  • · Replies 9 ·
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9

Bypassing a joule thief until voltage gets low enough

  • Charlie Kelly
  • · Replies 2 ·
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2

What is an opamp that is suitable for designing a sensor?

  • Minh Thanh
  • · Replies 2 ·
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2

Constancy of audio power from battery (hearing aid)

  • epenguin
  • · Replies 9 ·
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9

LC Reactive elements cancel cause huge V drop. High voltage

  • Jonathan Mc
  • · Replies 12 ·
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12
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7

Designing a 2-bit full adder using nothing but NAND gates?

  • Crushforce
  • · Replies 15 ·
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15

Electrocution From Earphones In Phone That Was Charging ?

  • Point Conception
  • · Replies 3 ·
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3

MMF/Flux density across air gap for a salient pole

  • EEstudent90
  • · Replies 28 ·
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28

Getting negative current on Zener Voltage Reg Circuit

  • George317
  • · Replies 24 ·
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24

Boosting AC Signal for Solenoid: Techniques for Current Amplification

  • geekusprimus
  • · Replies 3 ·
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3

Would these parts work for a "Tesla Coil" (Slayer Exciter)?

  • SickTechz
  • · Replies 3 ·
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3

Portable Energy Generator for off-Grid Villages

  • moatis1
  • · Replies 24 ·
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24

Retired Railroader Explains Easiest AC Circuit Theory

  • TedA
  • · Replies 19 ·
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19
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11

Can R4 be replaced with a jumper in an ultrasonic generator circuit?

  • javi2018
  • · Replies 9 ·
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9

Basics of radio for a focused transmitter

  • OldWorldBlues
  • · Replies 12 ·
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12

Centering a Laser Beam received from multiple directions

  • Dohmer
  • · Replies 6 ·
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6

Can you make a generator that produces electricity from salt water?

  • stephenkohnle53
  • · Replies 10 ·
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10

PWM and it`s duration (picosecond pulse widths)

  • Sveral
  • · Replies 21 ·
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21

What happens when 12V and GND are both connected to the GND pin?

  • grasscut
  • · Replies 12 ·
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12

Interpretation of the system response to a unit impulse

  • lahanadar
  • · Replies 9 ·
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9

Solving 555 Based Switcher Challenge for Niхie Clock

  • Borek
  • · Replies 44 ·
2
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44

Unclear Transformer Specifications

  • teroenza
  • · Replies 7 ·
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7

Step-Up Current Via Transformer

  • John Raines
  • · Replies 6 ·
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6

Plasma wire -- turning an antenna on and off very quickly

  • arydberg
  • · Replies 3 ·
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3

Can an electromagnet pull on a metal bracelet but not on an implanted rod?

  • Natcox012
  • · Replies 16 ·
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16
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9

What is the reason for harmonics in dc-dc converter?

  • student-engineer
  • · Replies 36 ·
2
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36

Are there cables that use ionized gas as a conductor?

  • FilipLand
  • · Replies 7 ·
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7

DC motor running in reverse after repair

  • rattlenbang
  • · Replies 7 ·
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7

Can I design a glove to melt lead in my hands safely?

  • stephenkohnle53
  • · Replies 11 ·
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11

Is synchronous reactance constant?

  • cnh1995
  • · Replies 10 ·
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10

Discussing primary resistance of a double-tuned ciruit

  • brainbaby
  • · Replies 29 ·
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29

Why Should (I2-I1) Oppose V1 in an Autotransformer Phasor Diagram?

  • jaus tail
  • · Replies 23 ·
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23
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14

Capacitors in Hybrid-pi Model and Frequency Response

  • MyNameGoesHere
  • · Replies 1 ·
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1

How to calculate the inductance of a stator winding

  • electricalguy
  • · Replies 5 ·
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5

PIC16F877A I2C communication problem

  • thegreengineer
  • · Replies 2 ·
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2

BLDC motor as generator to power eddy current brakes

  • digglesby
  • · Replies 7 ·
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7

Can Transparent Solar Panels Power Skyscrapers in the Future?

  • Noisy Rhysling
  • · Replies 25 ·
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25

Which Arduino shield is best for Internet of Things projects?

  • ISamson
  • · Replies 19 ·
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19

Dirty electricity and EMI filter

  • Cleitus
  • · Replies 11 ·
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11

Should staged blackout drills make society more resilient to power outages?

  • anorlunda
  • · Replies 40 ·
2
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40

Can a smartphone transmit/receive 125KHz?

  • YanivW
  • · Replies 3 ·
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3
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11

Replacing Audio Transformers in Radio Receivers

  • michael1978
  • · Replies 25 ·
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25

Difference between Analog and Digital Pins on my Arduino Board

  • ISamson
  • · Replies 12 ·
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12

Synchronous generator reactance (Sub, transient, SS)

  • EEstudent90
  • · Replies 14 ·
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14

Determine a cable core diameter for RF current carrying loop

  • Bhushan
  • · Replies 2 ·
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2

PIC Microcontrollers: problem with LCD module (see below)

  • thegreengineer
  • · Replies 5 ·
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5

Does current approach infinity in an RL circuit with exponential forcing function?

  • Joseph M. Zias
  • · Replies 12 ·
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12

Small solar solution for emergency backup power in Puerto Rico

  • michael glaser
  • · Replies 8 ·
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8

Independent and dependent sources examples

  • vagospat
  • · Replies 2 ·
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2

Increasing the number of pole shoes on an alternator rotor

  • ThunderCharger3302
  • · Replies 17 ·
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17

Measuring the Power Output of a Generator

  • Total_Insomnia
  • · Replies 40 ·
2
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40
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1
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7

Co-located pair of Phased Array Antennas

  • Swamp Thing
  • · Replies 4 ·
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4
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3

Hameg HM203-5 scope retrace fault

  • Guineafowl
  • · Replies 6 ·
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6

Fault analysis and symmetrical components in Power Grids

  • PainterGuy
  • · Replies 3 ·
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3

Beam centering using a photodiode

  • Doc
  • · Replies 18 ·
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18

How long to charge and discharge 50F supercapacitors and how much heat?

  • marmstrong941
  • · Replies 5 ·
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5
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23

Safety concerning ERP of transmitter

  • VivaLaFisica
  • · Replies 36 ·
2
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36