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

How to calculate flux and linkage in coupled inductors and transformers

  • tim9000
  • · Replies 26 ·
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26

Low voltage Low heat, battery powered heater

  • nmeeker87
  • · Replies 8 ·
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8

How can the unit of H and J be different?

  • Tesla Gwon
  • · Replies 2 ·
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2

Sum of currents in protection relay

  • Vist17
  • · Replies 1 ·
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1

Someone know a bit about Generators? (windmill project)

  • Wilhelm Blich
  • · Replies 2 ·
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2

AC current through AC equipment

  • RAHIL008
  • · Replies 14 ·
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14

Inverter high cost vs low cost performance difference

  • dingpud
  • · Replies 2 ·
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2

How Does Frequency Affect a Circuit with Capacitors and Inductors?

  • Electro_vass
  • · Replies 8 ·
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8

Is there a way to keep an LED turned on even when the power source is off?

  • andrew700andrew
  • · Replies 2 ·
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2

Understanding a Colpitts oscillator

  • DrDu
  • · Replies 18 ·
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18

Frequency modulated laser - transmission of voice

  • Jay Lakoda
  • · Replies 2 ·
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2

Frequency Question -- 24 VAC, 60 Hz versus 24 VAC, 20 Hz

  • nicy12
  • · Replies 12 ·
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12

Heat simulation in electrical/mechanical engineering

  • Ash.K
  • · Replies 2 ·
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2

How to simplify behavior of a field-effect transistor

  • SupernerdSven
  • · Replies 7 ·
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7

Electromagnets in tattoo machine

  • pilot
  • · Replies 1 ·
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1
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11

Voltage Regulation for three phase Dzn Transformer

  • Physicist3
  • · Replies 2 ·
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2

How can I connect an aux to a cd changer?

  • Eduard
  • · Replies 4 ·
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4

Discharging one side of a capacitor only

  • ManOnAHermitian
  • · Replies 12 ·
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12

Three phase induction motor efficiency

  • Alex Cramphorn
  • · Replies 15 ·
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15

Barkhausen tubes and other unicomponent oscillators

  • EinsteinKreuz
  • · Replies 43 ·
2
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43

Charge sensitive amplifier with OPA657 not producing expected decay

  • mohindar
  • · Replies 12 ·
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12

Can I Control Electrostatic Levitation with a Power Supply?

  • Arjang Sh
  • · Replies 2 ·
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2

Induction motor generator capacitor

  • H012
  • · Replies 45 ·
2
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45

How to Activate Relay using Transistor?

  • nicy12
  • · Replies 48 ·
2
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48

FM transmitter not transmitting

  • Dark_Capacitor
  • · Replies 3 ·
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3

Can memristance be simulated using op-amps?

  • haael
  • · Replies 1 ·
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1
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17

How to drive a 115V 20A DC brushed motor with DC supply

  • Daniel Sadlier
  • · Replies 1 ·
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1

Is Input to a Thermocouple a Step or Ramp?

  • Priya3
  • · Replies 3 ·
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3

Why doesn't a center tap from a transformer short when grounded?

  • gagagary
  • · Replies 7 ·
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7

Simple regenerative generator/motor system

  • shott92
  • · Replies 12 ·
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12

PID algorithm for constant temperature controller.

  • gputowski
  • · Replies 6 ·
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6

Non-Ohmic Materials: Learn About Vanishingly Small Terms

  • snatchingthepi
  • · Replies 3 ·
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3

Where does inductive reactance go?

  • gagagary
  • · Replies 8 ·
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8

How can I read 96 input channels with minimal hardware and noise?

  • _Bd_
  • · Replies 9 ·
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9

3 Phase Induction Motor Full Load Power Factor

  • Physicist3
  • · Replies 1 ·
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1

What equations calculate power and force for a linear motor?

  • pbhuter
  • · Replies 9 ·
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9

House circuit wiring for 48Vdc and 240Vac

  • caters
  • · Replies 9 ·
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9

What does "Enable" mean in this picture? The EN

  • LongApple
  • · Replies 1 ·
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1
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4

Electrostatic Precipitator to Contain Graphite Powder

  • Casey Spurgeon
  • · Replies 15 ·
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15

Can We Store AC Power Like DC?

  • Dilip Y
  • · Replies 8 ·
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8

What is a snubber circuit and why use one?

  • onceinalifetim
  • · Replies 2 ·
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2

Waterproof iPhone case with speakers/microphone

  • Alan Pavlov
  • · Replies 3 ·
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3

Total internal confinement of magnetic field

  • tim9000
  • · Replies 40 ·
2
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40

Does metal film resistor work at cryogenic temperature (3K)?

  • Sandbo
  • · Replies 6 ·
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6

MOSFET Properties - Turning On/Off with 2n7000

  • Kerso1991
  • · Replies 2 ·
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2

Solenoid vs transformer inductance

  • xopek
  • · Replies 3 ·
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3
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2

How do inductors and capacitors convert pulsed DC to AC in an RLC circuit?

  • 21joanna12
  • · Replies 23 ·
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23

Does voltage drop equal work done, and when do resistors do work?

  • JFS321
  • · Replies 11 ·
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11

Creating an electrical gag gift

  • Crispy7
  • · Replies 5 ·
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5

Magnet/Electricity to rotate object 90 degrees?

  • Yafimski
  • · Replies 6 ·
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6

Capturing Tiny Amounts Of Electricity At A Time?

  • Jay Lakoda
  • · Replies 11 ·
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11

How Does a Capacitor Increase Voltage in a Circuit?

  • jeevansai
  • · Replies 3 ·
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3
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2

Working of capacitor in shock pen

  • jeevansai
  • · Replies 1 ·
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1

Basic Electronics: Transistor confusion

  • thegreengineer
  • · Replies 2 ·
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2

Light pulse measurement equipment / circuit?

  • dmac257
  • · Replies 12 ·
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12

Series lc circuit and clamp-on ammeter

  • Idea04
  • · Replies 10 ·
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10
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22

Why is collector current the output in an NPN BJT?

  • chenrim
  • · Replies 3 ·
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3

Logic gate Simulation Software?

  • mishima
  • · Replies 1 ·
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1

Surface recovery failure error in Maxwell 3D analysis

  • pedro1988
  • · Replies 1 ·
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1

How Do Tokamak Heating and Maxwell's Equations Interact?

  • tim9000
  • · Replies 9 ·
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9

Need to calculate the resistance accross membrane in water

  • M. Hammad Khan
  • · Replies 2 ·
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2

JK flip-flop logic circuit with Clear and Preset inputs

  • JasonHathaway
  • · Replies 4 ·
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4

Is it possible to deflect or modulate a FM Transmission?

  • smokingwheels
  • · Replies 6 ·
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6

Experimenting with Current Flow in Different Geometries

  • PhiowPhi
  • · Replies 44 ·
2
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44

How can I identify and fix a capacitor issue on my Kenwood A/V receiver?

  • JoshB.
  • · Replies 26 ·
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26

When Does the Second Part of Maxwell's Fourth Equation RHS Not Equal Zero?

  • tim9000
  • · Replies 17 ·
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17

Superconducting magnet with HTS wire

  • MagnetDude
  • · Replies 5 ·
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5

Power flatscreen lcd tv by battery?

  • cypressg
  • · Replies 3 ·
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3

Why does a series circuit carry current when most of it is at zero volts?

  • JFS321
  • · Replies 11 ·
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11
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8

Clockwise rotation of reflection coefficient in lossy LTI systems

  • WhiteHaired
  • · Replies 1 ·
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1

Are there any microcontroller (mcu) course in university?

  • Callaghan
  • · Replies 4 ·
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4

Flat start for power systems design

  • honyeehong8692
  • · Replies 7 ·
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7
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17

Need Assistance with Force/Pressure Sensors

  • Here2Learn
  • · Replies 2 ·
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2

Low Power Signal Processing -- Bouncing an RF signal off the Moon

  • TheDemx27
  • · Replies 20 ·
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20

Does a CFL Pose a Fire Risk Due to Inductive Load Characteristics?

  • nicy12
  • · Replies 22 ·
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22

Help creating a strip board design for a circuit

  • george084
  • · Replies 6 ·
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6

Charge reconfiguration on wires connnected to capacitor

  • Jyothish
  • · Replies 3 ·
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3

Motherboard bus speed physical maximum

  • DwithQs
  • · Replies 4 ·
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4

Biot-Savart non-textbook Equation -- B at point above a loop but off-axis

  • tim9000
  • · Replies 9 ·
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9

Increase the frequency of AC current

  • mostwantedmani
  • · Replies 9 ·
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9

Testing the quality of twisted pairs

  • copper-head
  • · Replies 2 ·
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2

Anode-grid capacitance in thyratrons for relaxation oscillators

  • EinsteinKreuz
  • · Replies 8 ·
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8

Maximum Interrupting Time - HFW Breakers

  • Adecypher
  • · Replies 7 ·
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7

Electrical Utility Neutral Return Wire

  • twodotmike
  • · Replies 16 ·
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16

LED Solar Simulator: Design, Schematics & LEDs

  • jefinjo
  • · Replies 2 ·
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2

Wind Turbine - 3 Phase-AC to DC

  • owen_a
  • · Replies 12 ·
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12

Design of Power Factor Correction Capacitor?

  • Walli Bhatti
  • · Replies 13 ·
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13

How can I fix my PC speakers' hollow sound?

  • dwn
  • · Replies 14 ·
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14

Single-Phase to Three-Phase Cycloconverter

  • nicy12
  • · Replies 1 ·
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1

PI control of a PMDC motor at low speeds

  • awaiting
  • · Replies 7 ·
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7

How cell phone antenna orientation affects reception

  • DocZaius
  • · Replies 2 ·
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2

Actual resistance of an Ammeter

  • andrew700andrew
  • · Replies 5 ·
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5