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 simulate a coil in Ansoft Maxwell 3d?

  • Paulo Machado
  • · Replies 20 ·
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20

Electromagnet for an Arduino board?

  • jms4
  • · Replies 4 ·
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4

Cylindrical rotor generator power under loss of excitation

  • niaz
  • · Replies 5 ·
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5

Some basic questions about the Arduino UNO

  • Wrichik Basu
  • · Replies 31 ·
2
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31

Reference to this formula X = cube root of R

  • jaus tail
  • · Replies 2 ·
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2

Using SR830 lock-in amplifier to measure coil output voltage

  • Amplifierprobs
  • · Replies 3 ·
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3

Basic Question -- Powering a small plasma ball with a battery

  • Dargeth
  • · Replies 4 ·
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4

Circuit Diagrams versus Logic Diagrams

  • Schfra
  • · Replies 10 ·
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10

Making a Binary Clock - Get Answers to Your DIY Questions

  • Tiger Blood
  • · Replies 5 ·
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5

Basic Radio Questions -- Oscillators, Mixers and Modulators

  • revv
  • · Replies 26 ·
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26

One of my wheelchair motors overheats and stops working

  • Roysmokie
  • · Replies 43 ·
2
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43

Coupling signals to a stripline transmission line

  • Ravaner
  • · Replies 6 ·
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6

Why Is the Picture Carrier Placed 6 dB Down in the IF Response Curve?

  • brainbaby
  • · Replies 16 ·
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16

Does inductive drag on a generator rotor decrease at higher RPM?

  • MasonJ1989
  • · Replies 17 ·
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17

Quick Question about a Piezoelectric shoe for project

  • Jalon Young
  • · Replies 1 ·
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1

Camera Lens works as a Polarizer or not?

  • Mustafa Umut
  • · Replies 4 ·
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4

Magnetic plate eddy current braking effect on a copper disc

  • Gyro de Pyro
  • · Replies 1 ·
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1

How many Amp turns around the Earth for this flux density?

  • Clark Magnuson
  • · Replies 4 ·
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4

Perpetually driven electric car

  • Problemsolver
  • · Replies 2 ·
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2

Rolls Royce permanent magnet thruster questions

  • Yogi71
  • · Replies 10 ·
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10

Relevant highest order harmonics in power systems

  • Axe199
  • · Replies 3 ·
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3

Any idea what these sensors are on lightpoles in a stadium parking lot?

  • berkeman
  • · Replies 10 ·
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10

Carrier Signals and demodulation of audio waveforms

  • ADDA
  • · Replies 23 ·
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23

12V DC controller for cycling a relay coil with cycle counter

  • Zarathuztra
  • · Replies 5 ·
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5

How to measure a magnetic field

  • pdm
  • · Replies 6 ·
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6

Magnetic levitation ball won't stay suspended below sensors

  • Franklin Lopez
  • · Replies 11 ·
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11

Materials for DTL, TTL circuit analysis

  • diredragon
  • · Replies 8 ·
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8

Leakage Reactance of a three phase power transformer using Ansys Maxwell

  • ismail BAYSAL
  • · Replies 1 ·
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1

What comes after Moore's law for transistor design?

  • Voq
  • · Replies 13 ·
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13

Hello, ferrite rod coupling inductor, I dont understand

  • michael1978
  • · Replies 10 ·
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10

Converter not starting up once line input voltage connect

  • Joshua_S
  • · Replies 5 ·
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5

Computing Alternator Back EMF as a function of load current

  • Bcavender
  • · Replies 13 ·
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13

Induction Motor to Stepper Motor

  • Ana Mido
  • · Replies 3 ·
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3

Using a MOSFET to control a motor with photoresistors

  • hugo_faurand
  • · Replies 31 ·
2
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31

Pelton Wheel for Power Generation

  • Alfredo
  • · Replies 5 ·
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5

Making a ferrite rod antenna for AM radio receiver

  • michael1978
  • · Replies 33 ·
2
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33

Why Are Surge Capacitors Tied to Ground?

  • kenneth edmiston
  • · Replies 3 ·
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3

Problems snubbing HF noise on flyback transistor

  • Jdo300
  • · Replies 21 ·
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21

Why Use Voltage Dividers Instead of a Single Resistor?

  • OldWorldBlues
  • · Replies 5 ·
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5

Why Choose IGBT Over MOSFET for Low-Frequency Applications?

  • tim9000
  • · Replies 10 ·
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10

Easy way to calculate losses for re-purposing a transformer?

  • OldWorldBlues
  • · Replies 28 ·
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28

Definite purpose and general purpose contactors

  • srinaath
  • · Replies 4 ·
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4
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8

Why do we normalise a signal (function)?

  • janu203
  • · Replies 2 ·
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2

Why is the bandwidth in PCM half of the transmission rate?

  • janu203
  • · Replies 4 ·
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4
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22

How to calculate magnetic flux from voltage?

  • Nads
  • · Replies 4 ·
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4

Calculating 208V load, purpose of sqrt(3) and power factor?

  • JJinNR
  • · Replies 11 ·
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11

Iref extraction in active power filters using active filters

  • Axe199
  • · Replies 3 ·
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3

Battery condition check via voltmeter (with/without Load)

  • EEristavi
  • · Replies 16 ·
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16

How to combine Hall sensor and Rogowski coil signals with op-amps

  • Glenn Emmers
  • · Replies 30 ·
2
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30

Wire size and type for gain clone type amp?

  • JohnM24018
  • · Replies 5 ·
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5

5GHz hairpin bandpass on high end fiberglass (Megtron-6)

  • the_emi_guy
  • · Replies 3 ·
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3
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1

How to Implement Control for an Inverted Pendulum System?

  • thegreengineer
  • · Replies 4 ·
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4

MicroVoltage fuse (Now "Sensing the Flame-Front of a Plasma")

  • davidwinth
  • · Replies 57 ·
2
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57

Making a system with mobile electrical contacts

  • _maxim_
  • · Replies 13 ·
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13

Charge 18650 with BCAP0050 2.7V 50F is possible?

  • fer344
  • · Replies 5 ·
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5

Input resistance into a MOSFET amplifier

  • Abdulwahab Hajar
  • · Replies 3 ·
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3

Experienced with PQ Control and PI Tuning for Inverter Power Control?

  • GregoryGr
  • · Replies 4 ·
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4

Moving a solenoid coil in a strong magnetic field

  • _maxim_
  • · Replies 8 ·
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8

Motor: stator and rotor magnetic strength

  • wetel
  • · Replies 1 ·
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1

Optimal values for power in an induction heater?

  • Shadow89
  • · Replies 2 ·
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2

GaAs FET assembly has correct voltages but won't work

  • Ravaner
  • · Replies 4 ·
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4

Does gearing change the electrical energy output of a generator?

  • Dong-oh Lee
  • · Replies 4 ·
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4

Component to introduce time-delay

  • Wrichik Basu
  • · Replies 13 ·
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13

Single wire transmission with totem pole source and 500 mile conductor

  • Gopalkrishna
  • · Replies 5 ·
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5
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2

How to calculate the accurate capacity of a battery?

  • CmdrRoot
  • · Replies 11 ·
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11

Braking Force from Eddy Currents on a Rotating Disk

  • Michael Sofroniou
  • · Replies 1 ·
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1

Repulsive force of an electromagnet and a magnet

  • Inventor1
  • · Replies 12 ·
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12
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3

Why is a capacitor a generator of lagging reactive power?

  • Engineer1
  • · Replies 3 ·
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3

Why do we use a Contact Resistance Measurement test?

  • Manoj Sahu
  • · Replies 11 ·
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11

Synchro Signal Frequency changes

  • grasscut
  • · Replies 36 ·
2
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36

Where does one shop for SEM components?

  • Daniel Sellers
  • · Replies 1 ·
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1

Mathematics behind Signal and Systems

  • amg63
  • · Replies 4 ·
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4

Window comparator output with 3V input between 1V and 5V references

  • Alex Hughes
  • · Replies 5 ·
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5

Voltage Booster for Peltier Tiles

  • ZiHao
  • · Replies 17 ·
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17

Independence of Currents in Inductor-Switch Circuit

  • abdullah khaled
  • · Replies 3 ·
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3

How can I make my homemade electromagnets repel each other?

  • corydax
  • · Replies 6 ·
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6

Power requirements for an electric trike

  • bemidjimac
  • · Replies 3 ·
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3

Choosing a battery pack for phone, flashlight and laser pointer gauntlet

  • Stephenk53
  • · Replies 18 ·
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18

Old 6 volt auto headlight in series with 1154 on 12 volts

  • John1397
  • · Replies 2 ·
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2

Simulation of transistor switch circuit

  • Alex Hughes
  • · Replies 5 ·
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5

Power supplied by AC component + DC component = total power?

  • hsuy
  • · Replies 6 ·
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6

Where to Learn how to Design Circuits?

  • Alex Hughes
  • · Replies 7 ·
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7

Method for testing discharge resistors in 3 phase capacitors

  • kenneth edmiston
  • · Replies 12 ·
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12

Ampere turn balance (MMF balance) in transformers

  • gorlyu
  • · Replies 36 ·
2
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36

Can a machine emit multiple radio waves simultaneously?

  • Charles_The_Erlich
  • · Replies 13 ·
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13

Can self induction increase power consumption?

  • Jucimar
  • · Replies 5 ·
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5

Finding the Torque vs RPM curve for a 3-phase AC induction motor

  • zaraf
  • · Replies 4 ·
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4

Third Order Intercept - Use Peaks or RMS?

  • Natalie Johnson
  • · Replies 11 ·
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11

Weird circuit board with only resistors

  • greypilgrim
  • · Replies 8 ·
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8

Hello, how can I replace a variable capacitor with a varicap

  • michael1978
  • · Replies 49 ·
2
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49

Simulation Software for a Permanent Magnet Alternator Design

  • Bcavender
  • · Replies 7 ·
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7

Auto transformer starter with shorting contactor for motor soft start

  • kenneth edmiston
  • · Replies 23 ·
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23

How does does a DC generator work?

  • Jake DAprile
  • · Replies 5 ·
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5
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13

Serl Effect Generator: What Is It?

  • wetel
  • · Replies 4 ·
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4