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

Why Does Power Cycling Cause Test Equipment Failures?

  • arydberg
  • · Replies 8 ·
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8

Earth grounded, where does the current flow?

  • lukka98
  • · Replies 19 ·
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19

How can I detect magnetic fields which are weaker than the Earth's?

  • FHDCUTjg
  • · Replies 17 ·
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17

European data relay satellite system

  • PainterGuy
  • · Replies 5 ·
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5

Need a force-like unit for classical particle system simulation

  • iteratee
  • · Replies 4 ·
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4

Can you extract the charged part of a capacitor?

  • dansmith170
  • · Replies 10 ·
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10

Modifying generator windings to convert output from 220V to 55V.

  • GSPL
  • · Replies 8 ·
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8

Efficiency of charging new and old Li-ion batteries in electric cars

  • Frodo
  • · Replies 10 ·
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10

How does iron's permeability strengthen electromagnets?

  • CCatalyst
  • · Replies 30 ·
2
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30

What is the "observer" in PID control?

  • PainterGuy
  • · Replies 12 ·
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12

Underground transmission power lines

  • dlgoff
  • · Replies 20 ·
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20

A Different Way to Achieve Electron Velocity Modulation in a Klystron

  • Narayanan KR
  • · Replies 3 ·
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3

Most stable, lowest noise voltage references?

  • Twigg
  • · Replies 15 ·
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15

Is There Still a Market for Mechanical High Power DC/AC Generators?

  • artis
  • · Replies 7 ·
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7

Delaying/shifting the start of a square wave inverter

  • CCatalyst
  • · Replies 39 ·
2
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39

Maxwell 3D number of conductors question

  • Melon
  • · Replies 3 ·
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3

Plugging Power Strips Together in Series?

  • LightningInAJar
  • · Replies 29 ·
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29
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12

Citation for origins of the Kloss formula

  • Dr.D
  • · Replies 6 ·
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6

AC power loss in lossy dielectric (capacitor) with DC-bias field

  • Ohm113
  • · Replies 4 ·
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4

Interesting video on: Why are 2 logic gates faster than 1?

  • eq1
  • · Replies 20 ·
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20

Is Voltage Gain Squared Equal to Power Gain in the Log Domain?

  • psparky
  • · Replies 14 ·
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14

Inductor Efficiency via LC Oscillator

  • AspiringEEngineer
  • · Replies 17 ·
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17

When to have only voltage gain in an oscillator

  • Cup of Joe
  • · Replies 40 ·
2
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40

Relative permeabilities in steel datasheets

  • Steradiant
  • · Replies 5 ·
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5

Digitizing AC current from a split core CT on a breaker panel

  • dvscrobe
  • · Replies 15 ·
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15

Why is it giving me different observable canonical form?

  • PainterGuy
  • · Replies 13 ·
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13
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8

Why do electric shocks happen more in hot dry climates?

  • ZdMh
  • · Replies 4 ·
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4

Stepper motor current/torque model

  • liquidFuzz
  • · Replies 1 ·
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1

LM311P sinking current from emitter with collector unconnected

  • Stonestreecty
  • · Replies 1 ·
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1

Is it possible to reduce back EMF in DC motors using shorting rings?

  • ibuildstuff
  • · Replies 7 ·
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7

Key fob only works on battery and not power supply. What?

  • thatsmessedup
  • · Replies 33 ·
2
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33

Why are non-proper transfer functions non-causal?

  • Tasos51
  • · Replies 45 ·
2
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45

Generac PWRcell energy storage system

  • dlgoff
  • · Replies 5 ·
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5

Temperature rise calculation for electrical devices

  • srinaath
  • · Replies 10 ·
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10

Why Doesn't a Transmission Line Radiate All Its Power Away?

  • GhostLoveScore
  • · Replies 39 ·
2
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39

Could a battery charger be damaged more easily than the battery / device?

  • kenny1999
  • · Replies 17 ·
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17

Power Consumption Characteristics of Crypto Mining Rigs

  • Fisherman199
  • · Replies 20 ·
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20

Purely passive RC Phase Shift Oscillator?

  • Cup of Joe
  • · Replies 27 ·
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27

350W car power inverter vs tiny generator

  • Cobul
  • · Replies 11 ·
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11

Automotive chassis ground minus the chassis

  • BigBambu 152-462 MHz
  • · Replies 14 ·
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14

Laser diode won't light with PN2222a transistor on Arduino pin 9

  • Stonestreecty
  • · Replies 10 ·
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10

220V European treadmill on USA 110V

  • carlopiano
  • · Replies 12 ·
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12

This op amp does not have gain?

  • EENSEEY
  • · Replies 4 ·
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4

Measuring time constant using an inductor with a core vs. no core

  • Taulant Sholla
  • · Replies 18 ·
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18

I Don't Understand Transformers/How to Apply Them

  • rtareen
  • · Replies 81 ·
3
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81

What is the functionality of the LM3914V driver?

  • GUOJINMIAO
  • · Replies 3 ·
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3

Can RF101 Diodes Be Used in Low-Frequency Recovery Circuits?

  • GUOJINMIAO
  • · Replies 7 ·
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7

Longevity of 120V- vs. 240V-wired motor?

  • GregJ7
  • · Replies 5 ·
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5

3 Phase Harmonics and Solid State Relay Issues

  • Phynoxum
  • · Replies 26 ·
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26

When to use Mechanical_Thermal versus Icepak in AEDT?

  • Melon
  • · Replies 1 ·
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1

50Hz and 60Hz supply neutral line question

  • petefa
  • · Replies 9 ·
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9

Does Heinrich Hertz' apparatus include a proper antenna?

  • Silly Questions
  • · Replies 4 ·
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4

Tuning a PID with extraneous noise on the error signal

  • Twigg
  • · Replies 13 ·
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13

Do concentric coils steal power from one another?

  • AamsterC2
  • · Replies 3 ·
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3

Grim Day on the Texas Power Grid

  • anorlunda
  • · Replies 151 ·
6
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151

Circuit breakers trip on *power* overload?

  • GregJ7
  • · Replies 12 ·
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12

Is it safe to cover a floor lamp with an Aluminum metal pie plate?

  • 12john
  • · Replies 13 ·
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13

Using an axial flux generator as an electromagnetic brake for a wind turbine

  • berserkhealr
  • · Replies 2 ·
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2

To get potentiometer recommendation

  • Stonestreecty
  • · Replies 19 ·
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19

RC Phase Shift Oscillator not Oscillating

  • Cup of Joe
  • · Replies 41 ·
2
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41

Shielding Dirty Electricity Ground Current

  • svt
  • · Replies 8 ·
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8

Metering a Single Phase 208 VAC Circuit

  • aemla
  • · Replies 77 ·
3
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77

What are these DWV pipes with cables inside for?

  • Keith_McClary
  • · Replies 17 ·
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17

What is the potential difference between two phases in 3-phase power?

  • oscarrod5
  • · Replies 8 ·
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8

What does ZPB mean in power systems?

  • jaus tail
  • · Replies 5 ·
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5

Power Over Fiber for Small Sensors

  • sodoyle
  • · Replies 20 ·
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20

Can I run a 240W electric turbo with a separate alternator?

  • joseph707
  • · Replies 7 ·
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7

What is the possible risk of switch in its mid-way?

  • kenny1999
  • · Replies 5 ·
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5

Low-power 120Vrms sine wave generator for power meter calibration

  • berkeman
  • · Replies 47 ·
2
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47
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16

Find Frequencies in Signal with Random Sample Rate

  • liquidFuzz
  • · Replies 6 ·
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6

Energy in RLC parallel resonant circuit with series resistance

  • cianfa72
  • · Replies 44 ·
2
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44

What is the voltage allowed Earth to Nuteral

  • putta
  • · Replies 1 ·
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1

Samsung double door fridge overload relay changed 3 times in 2 weeks

  • Vas786
  • · Replies 12 ·
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12

LED module failing due to DC motor?

  • Vatech
  • · Replies 17 ·
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17
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8

Space charge region of p-n junction diode

  • rkgjet
  • · Replies 1 ·
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1

Spectrometer sensitivity (photons/count) at different wavelengths

  • fog37
  • · Replies 5 ·
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5

Magnetics Question; is the Answer Really as Obious as it Might Seem?

  • Keasy
  • · Replies 8 ·
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8

Choosing between FDTD, FEM and MoM for electromagnetic simulations

  • martindmaas
  • · Replies 5 ·
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5

Efficiency Analysis of a Voltage Multiplier Circuit

  • cheniour oussama
  • · Replies 27 ·
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27

Understanding diode (LED) resistance at V=0

  • phillip_at_work
  • · Replies 11 ·
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11

Block diagram showing how to turn white noise into rain

  • btb4198
  • · Replies 22 ·
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22

What is the limiting factor for the maximum speed of stepper motors?

  • liquidFuzz
  • · Replies 2 ·
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2

Rotating radar time domain data

  • tworitdash
  • · Replies 17 ·
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17

Formula to calculate the pull force between a magnet and a steel plate

  • navin369
  • · Replies 9 ·
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9

Simulate Leakage Current - Reverse Bias Diode

  • cheniour oussama
  • · Replies 7 ·
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7

Wiring 3/4 HP Submersible Well Pump - Is #10 OK?

  • Cawagner
  • · Replies 1 ·
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1

Understanding an Inverter Simulation

  • bob012345
  • · Replies 26 ·
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26

Ion flow through a charged tube

  • T C
  • · Replies 20 ·
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20

Substitute PID Controls with a Polynomial Equation/Table?

  • Jay_
  • · Replies 3 ·
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3

What happened to make my battery melt?

  • ouichaise
  • · Replies 9 ·
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9

Torque Production in Eddy Current Motors

  • b.shahvir
  • · Replies 18 ·
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18

RF Energy Harvesting Simulation

  • kn_patil
  • · Replies 4 ·
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4

Two-port linear network general representation AV + BI = 0

  • cianfa72
  • · Replies 11 ·
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11

Transistor theory question involving the base current

  • Osnel Jr
  • · Replies 41 ·
2
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41

Checking the Back EMF of a Motor

  • PhysicsTest
  • · Replies 6 ·
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6

Using an inductor choke as a receiving antenna for LW radio

  • awen
  • · Replies 14 ·
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14