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

Ultra grind+ bought in the USA- will it work in Switzerland?

  • AnyName
  • · Replies 22 ·
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22

What Should I Look at to Find Vce(sat) for PN2222A Transistor?

  • Genji Shimada
  • · Replies 6 ·
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6

Using 400V 50Hz 3 phase motors with 240V single phase 60Hz

  • Planobilly
  • · Replies 14 ·
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14

Technology behind camera drones with "follow" function

  • greypilgrim
  • · Replies 1 ·
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1

Pyramidal horn antenna vs. conical horn antenna

  • Bishamonten
  • · Replies 7 ·
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7

Calculating charge output from an alternator in one revolution

  • Rakesh bhatoa
  • · Replies 30 ·
2
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30

What are the units for the hysteresis coefficient in transformer losses?

  • entity314
  • · Replies 1 ·
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1

Positive Sequence Resistance and Reactance calculation

  • asela115
  • · Replies 1 ·
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1

Ohm's law and using motor as generator

  • dean48
  • · Replies 3 ·
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3

Three phase power meaurement questions

  • TheRedDevil18
  • · Replies 7 ·
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7

Earth referenced bias into floating circuit?

  • coinmaster
  • · Replies 2 ·
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2

Electricity Laws for 5km Extension Cord Use

  • quicksilver123
  • · Replies 11 ·
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11

How to Charge a 4P 1S cylinder Lipo Pack

  • Puglife
  • · Replies 1 ·
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1

Power measurement of a servo motor using simple instruments

  • Fizzics
  • · Replies 7 ·
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7

Protection on Step up and Step Down Converter Module Bucks

  • shushi_boi
  • · Replies 1 ·
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1

How to find transfer function of real world system?

  • perplexabot
  • · Replies 11 ·
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11

Dynamic Resistance: Answers to Questions

  • Grim Arrow
  • · Replies 3 ·
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3

Measure LDR Light with Microcontroller - 10bit Resolution

  • TheRedDevil18
  • · Replies 4 ·
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4

How Does Voltage Affect Diode Current Flow?

  • Genji Shimada
  • · Replies 7 ·
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7

How Does a Kalman Filter Impact PI Controller Performance?

  • flo24601
  • · Replies 1 ·
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1

Amplify Arduino PWM with LM324 to 0-10V

  • Nelson Luis
  • · Replies 4 ·
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4

LED 5050 strip brightness at 13v and 14v vs rated 12v

  • Fizzman1
  • · Replies 3 ·
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3

DC series motor: why does current decrease when load doubles?

  • peter010
  • · Replies 16 ·
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16
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12

Fixing a Broken TV Part: What to Do?

  • giokrutoi
  • · Replies 8 ·
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8

Omicron Dirana Vs. Megger IDAX 350

  • Randy Valino
  • · Replies 1 ·
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1

Can I put a PC on top of a marshall half stack guitar amp?

  • CleanerTax
  • · Replies 4 ·
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4

Cogging torque in coreless axial flux PMG (permanent magnet generator)

  • akbar94
  • · Replies 4 ·
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4

Regarding a MOSFET's reverse recovery power loss

  • Dextrine
  • · Replies 7 ·
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7

How to calculate the Electric Field due to Capacitors?

  • Jason E
  • · Replies 7 ·
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7

Determining the Poynting Vector for Loop Antennas

  • Mat1289
  • · Replies 2 ·
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2

Why Does My PIC16F723A Show a Programming Error in MPLAB X?

  • zxcvb
  • · Replies 2 ·
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2

Why the efficiency of air core transformer changes (up and down)

  • UtsavRaj
  • · Replies 70 ·
3
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70

Which power calculation method for 208V 30A 2-pole breaker?

  • trikkydik
  • · Replies 14 ·
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14
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5

480V Split phase / 400V Threephase (AUS)

  • Tomu
  • · Replies 12 ·
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12

Independent study for linear algebra

  • icesalmon
  • · Replies 2 ·
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2

Impedance matching a ZVS power supply to a DIY pipe heater

  • EzeTom
  • · Replies 4 ·
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4

Transistor questions in control a stepper motor

  • Sherldonnnn
  • · Replies 4 ·
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4

Why do relay contacts spark if they're isolated from the coil?

  • iampaul
  • · Replies 8 ·
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8

Why do we need multiple amplifier stages in electronic circuits?

  • Harrison G
  • · Replies 33 ·
2
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33

Converting a 0-280 ohm fuel sender to 0-90 ohm gauge range

  • Mhorton91
  • · Replies 14 ·
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14

Should thermal emission comparison use same voltage or same power?

  • humming bird
  • · Replies 1 ·
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1

Question on Laplace Transform of a constant voltage source

  • Crek
  • · Replies 2 ·
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2

Common source amplifier low frequency resonse

  • TheRedDevil18
  • · Replies 4 ·
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4

Why does VBE decrease when VE increases in an NPN transistor?

  • Genji Shimada
  • · Replies 2 ·
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2

Large electromagnet with unusual requirements

  • sevendaysky
  • · Replies 9 ·
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9

What is the advantage of CNT and graphine capacitors

  • Henry Cleavinger
  • · Replies 1 ·
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1

Looking for a "highly resistive ring"

  • benmuskler
  • · Replies 13 ·
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13

I'm looking for this transistor

  • LalaDeil
  • · Replies 3 ·
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3

Small signal analysis of a cascode amplifier

  • mulothecook
  • · Replies 3 ·
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3

What does GPS do about atmospheric interference?

  • nomadreid
  • · Replies 4 ·
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4

What dominates the high-freq. behavior of a CS-amplifier?

  • mulothecook
  • · Replies 1 ·
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1

Can Electric Jet Engines Revolutionize Future Aviation?

  • 1oldman2
  • · Replies 6 ·
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6

Power supply modification question

  • Planobilly
  • · Replies 4 ·
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4

Measuring Pulsing Current Output Average From Photodiode

  • SHalas1
  • · Replies 1 ·
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1

How to calculate reactance of this capasitor

  • Planobilly
  • · Replies 7 ·
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7
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7

How can I rewire my air conditioning unit and fix a faulty capacitor?

  • ronaldalexander
  • · Replies 1 ·
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1

HVDC - Current Source Converter - Minimum DC Power flow

  • micuklein
  • · Replies 3 ·
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3

DC and AC current effects on dielectric elastomers

  • Dystopian
  • · Replies 4 ·
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4

Why is the 'active load' in an CS-amp called a load?

  • mulothecook
  • · Replies 2 ·
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2

Danger from damaged fiber optic cable?

  • csd
  • · Replies 3 ·
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3

I bet my friend I could design a circuit with no background

  • jley18
  • · Replies 12 ·
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12

What Battery Bank Size Do I Need to Replace My 1250 kVA Diesel Generator?

  • micuklein
  • · Replies 8 ·
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8

What is the protocol used for the Panasonic incremental encoder?

  • Cdz
  • · Replies 6 ·
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6

Why does q-axis stator current control torque in 3-ph IM?

  • Ziya
  • · Replies 3 ·
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3

Superposition Theorem (basic query)

  • Numbskull
  • · Replies 8 ·
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8

Induction motor vector control stator current vector

  • Cdz
  • · Replies 8 ·
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8

Flux Density in Mutual Induction Solenoid with Core

  • entity314
  • · Replies 7 ·
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7

Potential divider rearrangement in textbook example

  • illy
  • · Replies 2 ·
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2

Detecting a Thumb Touching a Finger on Same Hand?

  • one_raven
  • · Replies 12 ·
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12

Building a portable AC for my car

  • iduhfuse
  • · Replies 87 ·
3
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87

How to model appliance loads as resistances for Kirchhoff's law analysis

  • KarenRei
  • · Replies 15 ·
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15

Used oscilloscope for hobby, automotive and power supply work

  • Guineafowl
  • · Replies 5 ·
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5

Voltage drop with chained extension cords under high load

  • chiupakabra
  • · Replies 20 ·
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20

Is Powerline Voltage Always an Integral Multiple of 11?

  • nishant mudgal
  • · Replies 1 ·
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1

Unwanted noise in oscilloscope diaplay

  • watsons
  • · Replies 12 ·
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12

Trigerins a tablet power button inderectly by applying?

  • adeterminednoob
  • · Replies 2 ·
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2

Circuit for reactive archery target

  • Liza Sarychev
  • · Replies 5 ·
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5

How to calculate the energy and power of a signal?

  • Manoj Sahu
  • · Replies 1 ·
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1

Frequency Control in Power Plants -- Droop

  • LagCompensator
  • · Replies 2 ·
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2

Replacing UPS Batteries with Marine/RV Batteries

  • dontosaw
  • · Replies 56 ·
2
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56

Sharks and magnetic fields, trying to learn from nature

  • RMF808
  • · Replies 2 ·
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2

Tektronix 2465B for audio repair and guitar amp testing under $1000

  • Planobilly
  • · Replies 4 ·
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4

Magnetic dipole moment of permanent magnet in steel housing

  • Nash Engineer
  • · Replies 4 ·
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4

220V 50Hz Equipment vs. 230V 60Hz Equipment compressor

  • GolTran
  • · Replies 2 ·
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2

What's the min power needed for a DC motor to move 5K lbs?

  • George Stann
  • · Replies 3 ·
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3

Can heat damage the magnetic properties of an electromagnet?

  • Noe
  • · Replies 2 ·
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2

Can square waves cause a DC voltage

  • Planobilly
  • · Replies 7 ·
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7

EI Core electromagnet questions

  • pvonlock
  • · Replies 1 ·
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1

THz radiation detection with a conductor

  • Mikhail_MR
  • · Replies 1 ·
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1

Low Level EMF and Helmholtz coil design

  • JohnBM
  • · Replies 9 ·
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9

Will N52 Magnets Offset Costs vs N50 in a Piggot Wind Turbine?

  • vadslram
  • · Replies 2 ·
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2

Why Is My DIY Grounding Mat Triggering the Volt Meter Alarm?

  • Mogan
  • · Replies 5 ·
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5

Magnetic Field outside an Iron Core Solenoid

  • Chadvad
  • · Replies 4 ·
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4

Will 2-layer aluminum screen make a leakproof Faraday cage?

  • Mogan
  • · Replies 6 ·
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6

Generating High Voltage: Safe and Effective Methods for Amateur Use

  • Invictos
  • · Replies 1 ·
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1

Effect of voltage on resistance wire life expectancy?

  • kyle pender
  • · Replies 6 ·
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6

Using concentric pipes as an inductive heater

  • EzeTom
  • · Replies 5 ·
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5