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

Eliminating a differential of an e-rickshaw by using 2 motors.

  • KDP
  • · Replies 3 ·
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3

Vector/Phasor Addition

  • kai sinclair
  • · Replies 20 ·
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20

Earth ground resistance measurement

  • cianfa72
  • · Replies 8 ·
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8

Life expectancy of a domestic PV system

  • sophiecentaur
  • · Replies 12 ·
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12

Ground loop on electronic audio systems

  • cianfa72
  • · Replies 28 ·
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28

Current distribution in resonant mode for an anapole resonator

  • yefj
  • · Replies 0 ·
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0

Low Voltage Distribution Board ( TGBT )

  • DeathstrokeDMX
  • · Replies 1 ·
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1

Vacuum cleaner series universal motor triac control board

  • FusionJim
  • · Replies 3 ·
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3

Antique electric railway maintenance equipment

  • jtbell
  • · Replies 1 ·
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1

Capacitor charging: Where do extra electrons come from?

  • LarryS
  • · Replies 3 ·
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3

What's the Athena (Silvaco) code for pyramid texturing on a solar cell?

  • EliaJhon
  • · Replies 10 ·
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10

Stripboard layout for ATtiny44A with buttons on one ADC pin

  • bremenfallturm
  • · Replies 10 ·
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10
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5

Maxwell Linear Generator (Input Power < Output Power and losses?)

  • mos962
  • · Replies 2 ·
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2

Flux direction through core

  • FusionJim
  • · Replies 6 ·
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6

Spark Gap Tesla Coil not working

  • S4rd3l
  • · Replies 2 ·
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2

Draining batteries into fewer batteries

  • LightningInAJar
  • · Replies 13 ·
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13

How does AM broadcasting/receiving work + a project for HS students?

  • BiGyElLoWhAt
  • · Replies 20 ·
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20

Excitation of wispering gallery mode in resonator

  • yefj
  • · Replies 4 ·
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4

Charging and discharging a battery at the same time

  • CWatters
  • · Replies 2 ·
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2

Manual frequency tuning of a sapphire resonator

  • yefj
  • · Replies 2 ·
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2

Ansys Electronics mesh quality error in simulation

  • uze1
  • · Replies 2 ·
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2

Instrumentation Amplifier for Wheatstone Bridge Output

  • Micheal_Leo
  • · Replies 27 ·
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27

Alternative formulas for Ohms law

  • brinker
  • · Replies 4 ·
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4

Is my contractor upselling me?

  • DaveC426913
  • · Replies 28 ·
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28

Relay Control of Induction Motors

  • neilparker62
  • · Replies 5 ·
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5

DC-Link Capacitor Current Modeling for a Voltage Source Inverter

  • user2539
  • · Replies 1 ·
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1

Can a 2' Multicolor LED Strip Be Powered by Two CR2032 Batteries?

  • Lyyle Morgan
  • · Replies 8 ·
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8

Identifying smart glass type: PNLC or guest-host liquid crystal?

  • alyami
  • · Replies 6 ·
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6

What Do Amp Ratings on Automotive Relays Mean?

  • Alfa romeo junior
  • · Replies 10 ·
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10

Variable Gain Preamplifier using dc control voltage

  • nauman
  • · Replies 9 ·
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9

Does placing two inductors in series make a current lag of 180 degrees?

  • PLAGUE
  • · Replies 3 ·
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3

Wireless control of mains outlets -- which system to use?

  • sophiecentaur
  • · Replies 3 ·
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3

Cost Efficiency Study Comparation of PMSM and BLDC Motor

  • sambbal
  • · Replies 3 ·
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3

Elevation angle of a phased array antenna

  • senmeis
  • · Replies 6 ·
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6

Multiple electric generators on the same drive shaft

  • Questioneverything
  • · Replies 3 ·
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3

Leeson feedback mechanism question

  • yefj
  • · Replies 1 ·
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1

Superconductor at room temp

  • Jlarkin84
  • · Replies 9 ·
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9

Query about single-ended LED tubes

  • Steve4Physics
  • · Replies 10 ·
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10

Power wheelchair switches off and shows two red lights flashing

  • risina79
  • · Replies 8 ·
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8

Why does current only flow through one switch in a multi-switch ADC circuit?

  • bremenfallturm
  • · Replies 4 ·
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4

How does a Permanent capacitor motor actually work?

  • NTesla
  • · Replies 7 ·
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7

DC-AC inverter circuit for pure sine wave generation

  • NightStar
  • · Replies 4 ·
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4

High emissions in CE-102 test on 28V DC unit

  • core7916
  • · Replies 16 ·
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16

Low-noise Amplifier for a sensitive radio receiver

  • WonderNomad
  • · Replies 4 ·
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4

Noticed something in a clockwatch

  • hagopbul
  • · Replies 12 ·
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12

PVC Induction Heating Coil Design (early thoughts)

  • RickDelta
  • · Replies 51 ·
2
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51

To detect 12V using Opamp

  • PhysicsTest
  • · Replies 17 ·
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17

Dual band gap resonator design question

  • yefj
  • · Replies 6 ·
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6

Wiring a reversing drum switch for a lathe motor

  • gmax137
  • · Replies 9 ·
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9

3-phase synchronous machine => 5-phase synchronous machine

  • mad mathematician
  • · Replies 3 ·
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3

High-energy LC oscillatory discharge: what kind of switch?

  • Majorana
  • · Replies 19 ·
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19

Driving an RLC circuit at 100 MHz with high capacitor voltage

  • Malamala
  • · Replies 32 ·
2
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32

Improving coupling of a resonator by looking at surface currents

  • yefj
  • · Replies 1 ·
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1

Yellow Epoxy Like Material on PCB?

  • BuddyBoy
  • · Replies 5 ·
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5

Improving matching by adding a stub

  • yefj
  • · Replies 8 ·
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8

Electromagnetic field under different perspective

  • Roberto Pavani
  • · Replies 1 ·
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1

Faraday disc voltage increase

  • FusionJim
  • · Replies 3 ·
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3

Should I Diagnose My Non-Responsive Panasonic Microwave Before Replacing It?

  • DaveC426913
  • · Replies 30 ·
2
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30

Control Theory -- Systems where the controller also changes with time

  • mad mathematician
  • · Replies 1 ·
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1

Why do the spectra of distorted waves have humps?

  • danbullard
  • · Replies 4 ·
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4

Home Solar Power Feed-in Tariff for Historical Domestic Installations in the UK

  • sophiecentaur
  • · Replies 7 ·
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7
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4

Electronic Keyboard Goes Out Of Tune

  • Hornbein
  • · Replies 10 ·
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10

Self excited induction generators and grid connected solar inverters?

  • looking
  • · Replies 9 ·
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9

Deciding batteries for my circuit

  • bremenfallturm
  • · Replies 3 ·
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3

Charlieplexing 12 LEDs: uneven brightness on blinking LED

  • bremenfallturm
  • · Replies 14 ·
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14

Testing My Superconductor

  • auto_v
  • · Replies 23 ·
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23

Need an electromagnet to play Chess

  • queenidog
  • · Replies 37 ·
2
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37

Substation main xformer earthing?

  • Ryoko
  • · Replies 8 ·
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8

Capacitor plate current skin effect

  • FusionJim
  • · Replies 30 ·
2
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30

Why don't the other LEDs light in a Charlieplexing circuit?

  • bremenfallturm
  • · Replies 9 ·
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9

Microstrip transmission line teardrop-shape power divider question

  • yefj
  • · Replies 10 ·
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10

MMF diagrams of transformer construction options

  • simphys
  • · Replies 9 ·
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9

Question related to circuit for actuating Fuel Injector

  • core7916
  • · Replies 10 ·
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10

Overvoltage Protection

  • Hfuda
  • · Replies 5 ·
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5

How does this antenna balun work?

  • Guineafowl
  • · Replies 28 ·
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28

Interesting coupling logic of feeding network resonator

  • yefj
  • · Replies 0 ·
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0

Wire current ratings in conduit for voltages up to 1100V RMS

  • Wrichik Basu
  • · Replies 10 ·
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10

Bathroom lights blink when isolator or hall MCB switched off

  • Wrichik Basu
  • · Replies 24 ·
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24

How much current in this wire to reach observed temperature?

  • ethompson
  • · Replies 29 ·
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29

Winding an electric motor's stator

  • damzi
  • · Replies 2 ·
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2

Calculation of induction heating setup power consumption

  • hxianc
  • · Replies 5 ·
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5

Generating electrical energy using an intermediate reference frame

  • Ivan Nikiforov
  • · Replies 40 ·
2
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40

Fourier transform of PSD

  • mad mathematician
  • · Replies 4 ·
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4

Electric mattress pad tingles when turned off

  • Lennard
  • · Replies 6 ·
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6

Power divider: reverse engineering strategy

  • yefj
  • · Replies 1 ·
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1

Metronome and siren circuits from Forrest Mims electronics book

  • WifesBoyfriend
  • · Replies 2 ·
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2
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31

Voltage gain of a bipolar transistor circuit

  • eyeweyew
  • · Replies 23 ·
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23

Theory for a PCB resonator with special kind of mode

  • yefj
  • · Replies 20 ·
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20

How Can I Improve My DIY Van de Graaff Generator to Prevent Charge Leakage?

  • Blaze1212
  • · Replies 5 ·
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5

K Type Thermocouple Probe short Circuited with Metallic Body

  • arham1026
  • · Replies 2 ·
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2

COMSOL simulation of a 3D Ferrite Bar Numerical Model For Magnetic Flux

  • Hasan2022
  • · Replies 5 ·
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5
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18

What Is the Fundamental Unit of CCD/CMOS Sensors Called?

  • doofus
  • · Replies 25 ·
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25

Should I upgrade to a 63A MCB or stick with 40A for future expansion?

  • Wrichik Basu
  • · Replies 36 ·
2
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36

Resistance, capacitance, inductance of a real wire

  • crashcat
  • · Replies 2 ·
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2

How to determine kVA for my house? (to buy a servo stabilizer)

  • Wrichik Basu
  • · Replies 2 ·
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2

Long-term Capacitor storage questions

  • augustaa88
  • · Replies 3 ·
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3