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

MOSFET Transistors as Switches

  • Fascheue
  • · Replies 5 ·
Replies
5

How Do SCRs, Thyristors, and GTOs Work for Bidirectional Switching?

  • essenmein
  • · Replies 8 ·
Replies
8

Need replacement advise for KA3525A IC

  • HomeExperiement
  • · Replies 4 ·
Replies
4

Exploring LRC AC Series Circuits

  • Albertgauss
  • · Replies 25 ·
Replies
25

Grounding conductor connected to grounded conductor

  • Electrij
  • · Replies 32 ·
2
Replies
32

A question about battery powered cars

  • T C
  • · Replies 10 ·
Replies
10

Ferrite Cores on the output cable of a VFD

  • Dinoduck94
  • · Replies 4 ·
Replies
4

Silent DC Motor for Automatic Watch Winder | Feasibility Study Stage

  • sophiecentaur
  • · Replies 17 ·
Replies
17

Why does a thyristor keep conducting after removing the gate current?

  • brent1369
  • · Replies 5 ·
Replies
5

Calculating the Efficiency, total output power and irradiance of LEDs

  • WonderfulWorld
  • · Replies 2 ·
Replies
2

How do I properly charge my LIPO battery?

  • Lookitsame
  • · Replies 11 ·
Replies
11

Problem with PMSM motor model in Simulink

  • Schenk123
  • · Replies 1 ·
Replies
1

AC motor rotary capacitor soft start

  • artis
  • · Replies 5 ·
Replies
5

Is the Indian National Power Grid in danger?

  • cnh1995
  • · Replies 16 ·
Replies
16

Anyone have a light bulb blow up?

  • Greg Bernhardt
  • · Replies 30 ·
2
Replies
30

Background EMF levels abnormally high?

  • philhelm
  • · Replies 18 ·
Replies
18

Starting Torque of Synchronous Motors

  • Dr.D
  • · Replies 6 ·
Replies
6

Electrical frequencies that are NOT harmful to people

  • CCatalyst
  • · Replies 17 ·
Replies
17

Giving a jump start to a car - how does the circuit become complete?

  • musicgold
  • · Replies 61 ·
3
Replies
61

Op-amp Oscillator Circuit Design (10-50 MHz)

  • tadeh89
  • · Replies 6 ·
Replies
6

Do AC generators make use of interpoles?

  • Jacob Anderson
  • · Replies 4 ·
Replies
4

DC Motor Overspeed: Cause & Effect

  • brent1369
  • · Replies 24 ·
Replies
24

What is the difference between PCM and quantization?

  • Boltzman Oscillation
  • · Replies 3 ·
Replies
3

What Happens if 2K2 & 2K3 Close Simultaneously?

  • kenneth edmiston
  • · Replies 1 ·
Replies
1

RS flip flop -- Replacing a NOR gate with an OR gate

  • Flying_Dutchman
  • · Replies 5 ·
Replies
5

Baseline Recovery time of Shaper Amplifier output

  • Adeelalishah
  • · Replies 3 ·
Replies
3

Why will 240 volt condenser kill me but not 7,000 volt electric fence?

  • timmeister37
  • · Replies 47 ·
2
Replies
47

Signal Speed Below the Speed of Light for Circuit Abstraction

  • halleff
  • · Replies 8 ·
Replies
8

Could you show me a super capacitor's charging circuit? :(

  • emtae55
  • · Replies 2 ·
Replies
2

Permanent magnets and "permeance"

  • hollowman
  • · Replies 10 ·
Replies
10

What is the negative sign in Faraday's Law/EMF with respect to?

  • etotheipi
  • · Replies 2 ·
Replies
2

Can a superconductor "repel" an electromagnet due to the Meissner effect?

  • Dante Meira
  • · Replies 2 ·
Replies
2

Space vector modulation, motor control, implementation question

  • david316
  • · Replies 2 ·
Replies
2

Voltage drop in a PCB power plane

  • AdrianRodz1
  • · Replies 28 ·
Replies
28

Running a Raspberry Pi with a Solar Panel

  • Tone L
  • · Replies 7 ·
Replies
7

Halbach array arrangement for a transformer

  • coolboyshane88
  • · Replies 26 ·
Replies
26

Would there be a smartphone today without Einstein's discoveries?

  • somega
  • · Replies 40 ·
2
Replies
40

Help with Understanding Ground Loops

  • fog37
  • · Replies 3 ·
Replies
3

IR thermometer vs thermal imager

  • chirhone
  • · Replies 52 ·
2
Replies
52

AC-DC Power Supply Modules: Non-Isolated Topology

  • trurle
  • · Replies 11 ·
Replies
11

Realistic Core Weight Reduction for 1000Hz Freq in 100KW DC/DC Converter

  • Windadct
  • · Replies 25 ·
Replies
25

What's the normal low-load working temperature for an SMPS transformer?

  • HomeExperiement
  • · Replies 27 ·
Replies
27

Universal motor with commutator, recovering the back EMF?

  • artis
  • · Replies 20 ·
Replies
20

Electromagnetic induction in motors

  • Josielle Abdilla
  • · Replies 3 ·
Replies
3

Why do you need a line 2 on an Alternating Current circuit?

  • timmeister37
  • · Replies 22 ·
Replies
22

Possible to connect two electromagnets perfectly together?

  • Bernardtai
  • · Replies 14 ·
Replies
14

Eddy current calculation question

  • Yani Botsanovski
  • · Replies 2 ·
Replies
2

Line filter, proper LTspice simulation

  • flowwolf
  • · Replies 15 ·
Replies
15

Understanding a Concept: Seeking Deeper Answers

  • Special One
  • · Replies 11 ·
Replies
11

Can Ultrasonic Sensors Accurately Measure Gas Tank Levels?

  • LD300316
  • · Replies 7 ·
Replies
7

Capacitance (intended and parasitic)

  • fog37
  • · Replies 17 ·
Replies
17

What causes an AC motor to pull locked rotor amps?

  • fourthindiana
  • · Replies 21 ·
Replies
21

How can magnetic fields be shielded from external sources?

  • Dusan Stan
  • · Replies 24 ·
Replies
24

Senses Necessary for Insect Flight

  • Knowledge Seeker
  • · Replies 7 ·
Replies
7

If I connect two 4700 uf capacitors in parallel with my 8.3A battery

  • core1985
  • · Replies 16 ·
Replies
16

What type of battery pack can power a device with 9V 0.5A output?

  • chirhone
  • · Replies 79 ·
3
Replies
79

Does Coldness Really Fix Electronics or is There Another Trick?

  • snoopies622
  • · Replies 33 ·
2
Replies
33

Help with waveform control: frequency, phase and amplitude

  • artis
  • · Replies 46 ·
2
Replies
46

What does the standby symbol on power switches really mean?

  • dlgoff
  • · Replies 7 ·
Replies
7

Welding Machine Increases Power: Physically Impossible?

  • nmatiiq
  • · Replies 40 ·
2
Replies
40

What is the strength of this scrap yard electromagnet?

  • Aq psm
  • · Replies 11 ·
Replies
11

What do the symbols on an electrical switch mean?

  • AbdullahS
  • · Replies 2 ·
Replies
2

Why Use Transorbs Instead of Diodes in a Generator Rotor Circuit?

  • OddBod
  • · Replies 5 ·
Replies
5

Induction Heater Design: Resources & Tips from Jeff

  • jeff davis
  • · Replies 3 ·
Replies
3

Motor Control Test: Check Setup AC Drive & Motor

  • Hraabo
  • · Replies 4 ·
Replies
4
Replies
3

Total Current running through a wire due to the drawn currents

  • HAgdn
  • · Replies 29 ·
Replies
29

Finding the fault in this circuit (UV lamp controller)

  • engnrshyckh
  • · Replies 3 ·
Replies
3

AC Mains Generator -- RPM changes based on load changes

  • Ocata
  • · Replies 5 ·
Replies
5

How to operate a Variable DC source

  • fog37
  • · Replies 10 ·
Replies
10

Can I use plastic tape to fix the rips on batteries

  • kenny1999
  • · Replies 20 ·
Replies
20

Help with Allegro-Altium PCB conversion

  • Rive
  • · Replies 7 ·
Replies
7

Devise a no longer available component for use in Target 3001?

  • joniverson
  • · Replies 13 ·
Replies
13

Switchboard in a hazardous area

  • victorgoh
  • · Replies 3 ·
Replies
3
Replies
20

Solve Multiplexing Conundrum with LS153 Circuit

  • Mirek2010
  • · Replies 4 ·
Replies
4

How to calculate energy stored in battery

  • Saleem Nasir
  • · Replies 2 ·
Replies
2

Voltage measurement on a Current Transformer (CT)

  • kenneth edmiston
  • · Replies 17 ·
Replies
17

Revamp Your Motorcycle's Charging System for 12v DC: Stator Winding Help

  • bkrame429
  • · Replies 3 ·
Replies
3

Must a load consume the entire available current or only what it needs

  • Boltzman Oscillation
  • · Replies 19 ·
Replies
19

Vacuum interrupter contacts and displacement current

  • kenneth edmiston
  • · Replies 8 ·
Replies
8

How can I learn to use Cadence for PCB design?

  • tadeh89
  • · Replies 4 ·
Replies
4

Understanding Basic Electronics: A 9V Battery & Two 9V Bulbs

  • Boltzman Oscillation
  • · Replies 13 ·
Replies
13

Closed vs Open Electrical Circuits

  • W5VLT
  • · Replies 14 ·
Replies
14

Using electrical appliances brought from another country

  • kenny1999
  • · Replies 5 ·
Replies
5

Is the iPhone mute button waterproof? How does it work?

  • Aurimas
  • · Replies 7 ·
Replies
7

Motor / transformer variable frequency control

  • artis
  • · Replies 11 ·
Replies
11

Is Replacing a 25 kVAr Unit with Two 12.5 kVAr Units More Efficient?

  • AbdullahS
  • · Replies 2 ·
Replies
2

Schematics of a high pressure water switch

  • chirhone
  • · Replies 46 ·
2
Replies
46

Strange problem: Replacing a battery w/ a DC power supply

  • ShiftCTRL
  • · Replies 17 ·
Replies
17

Interpreting SPI Commands in FPGA Applications

  • unplebeian
  • · Replies 5 ·
Replies
5

Compute the useable power in a simple circuit with resistive vs. reactive loads

  • fluidistic
  • · Replies 15 ·
Replies
15

Modeling/Analysis of optical fibers

  • ElectroFractal
  • · Replies 2 ·
Replies
2

Unable to get the desired impedance in this LTspice simulation

  • brainbaby
  • · Replies 14 ·
Replies
14

Troubleshooting: Dash Photon Detector for Car Aircon Recirculation Button

  • chirhone
  • · Replies 4 ·
Replies
4

Is my understanding of the working principle of a solar cell correct?

  • JC2000
  • · Replies 1 ·
Replies
1

How can I apply a variable phase shift to an AC signal generated by a VFD?

  • nima_kheradhoosh
  • · Replies 9 ·
Replies
9

Understanding the second approximation of diodes

  • JC2000
  • · Replies 8 ·
Replies
8

Motor circuit breaker - connections

  • Ivan001
  • · Replies 1 ·
Replies
1

Audio broadcast via a physical wire

  • kadiot
  • · Replies 10 ·
Replies
10