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

Understanding Harmonics in Electrical Power

  • Abdul Wali
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2

Fuzzy logic control vs PID [Resume]?

  • barzi2001
  • · Replies 2 ·
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2

Voltage and Frequency Regulation (Grid, synchronous generation)

  • LagCompensator
  • · Replies 4 ·
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4

100um Core MM Fiber connected to 50um Core 10G SFP Module

  • daniel1211
  • · Replies 2 ·
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2
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10

Is Your Power Cord Safe in a Puddle?

  • Its Me
  • · Replies 5 ·
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5

What sensor to choose to find the shape of current

  • Abdul Wali
  • · Replies 14 ·
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14

Microwave on capacitors battery power

  • Pepman
  • · Replies 2 ·
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2

Converting position vectors between cartesian and cylindrical coordinates

  • Nordcus
  • · Replies 1 ·
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1

Does electrical arc with the same power have same temp?

  • kevin_tee
  • · Replies 2 ·
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2

What Are These Two Equations for Equivalent Capacitor Circuits?

  • Puglife
  • · Replies 18 ·
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18

Series resistors' output voltage

  • Puglife
  • · Replies 8 ·
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8

Impedance of capacitor and inductors

  • Puglife
  • · Replies 13 ·
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13

Synchronization of an alternator to the grid

  • cnh1995
  • · Replies 15 ·
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15

How Can I Extend Battery Life in Classroom Electromagnet Experiments?

  • teckard
  • · Replies 9 ·
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9

Talked to my local cop about his sat phone comms

  • houlahound
  • · Replies 10 ·
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10

How to find equivalent circuits

  • Puglife
  • · Replies 13 ·
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13

Transform Vectors to Spherical Coordinates at P (-3,2,4)

  • Dong Hoon Lee
  • · Replies 2 ·
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2
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2

How Can You Safely Discharge High-Voltage Capacitors Without Losing Energy?

  • gustafangus
  • · Replies 6 ·
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6
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3

Removing 1V switching ripple from SMPS output after rectifier

  • Salvador
  • · Replies 37 ·
2
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37

Simple experiment to measure resistance of a semiconductor

  • houlahound
  • · Replies 14 ·
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14

How do batteries store energy as charge separation?

  • u0362565
  • · Replies 16 ·
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16

In an Alternator, is the armature an electromagnet?

  • Metals
  • · Replies 8 ·
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8

Non-contact DC Voltage detector

  • AndreyG
  • · Replies 23 ·
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23

Electric engine for car vs Electric Engine for Drone

  • Futurestar33
  • · Replies 7 ·
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7

Equivalent circuit of an Induction Motor

  • LagCompensator
  • · Replies 4 ·
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4

What are resistors in power supplies for?

  • Guidestone
  • · Replies 5 ·
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5

RF rectenna charging a battery from 27dBm at 5.8 GHz

  • Joel Shearon
  • · Replies 19 ·
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19

Calculating Time from 4:1 Mark-Space Ratio @ 10KHz

  • nathan27th
  • · Replies 3 ·
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3
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8

Can a voltmeter measure battery EMF without a circuit?

  • Gajan1234
  • · Replies 19 ·
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19

What relay specs do I need for a 5V coil and 12V motor load?

  • TheRedDevil18
  • · Replies 4 ·
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4

What could have caused an EMI Filter Bead shorted by itself?

  • Ken Leong
  • · Replies 37 ·
2
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37

How DSB and SSB modulation suppress the carrier signal

  • Weightofananvil
  • · Replies 41 ·
2
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41

Force on a permanent magnet from an electromagnet

  • Chris Fuccillo
  • · Replies 1 ·
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1

Use of Capacitors for Generators

  • mgSathish
  • · Replies 1 ·
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1

Charging a Lipo cell from NiMH batteries in a solar phone charger

  • Steve619
  • · Replies 5 ·
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5

Can I Use a PIR Sensor to Enhance My Surveillance System Camera?

  • mickey25
  • · Replies 3 ·
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3

FDM simulation of an electrical transformer?

  • Will Flannery
  • · Replies 1 ·
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1

Mallory 50V 2500uf large can capacitor question

  • Planobilly
  • · Replies 9 ·
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9

Auto track using Kinematic model

  • Shriraam Prabu
  • · Replies 6 ·
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6

What does the real part σ represent in a transfer function pole?

  • cnh1995
  • · Replies 2 ·
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2

Is 4G LTE Compatible with Satellites?

  • senmeis
  • · Replies 2 ·
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2

What Does a Shifted Voltage Waveform Indicate About Load Characteristics?

  • Krishna18
  • · Replies 4 ·
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4

Experiment to find out emf of the battery

  • Gajan1234
  • · Replies 3 ·
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3

In a DC circuit, is "negative" synonymous with "neutral"?

  • J Mc
  • · Replies 12 ·
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12

Potential divider to adjust volume and sensors

  • Gajan1234
  • · Replies 4 ·
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4

Marshall 1974X-20-20 EL84 cathode capacitor C3 value range 50-500uf

  • Planobilly
  • · Replies 23 ·
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23

Why not transmit electricity in 4-phase?

  • GregValcourt
  • · Replies 12 ·
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12

Rare public involvement in electrical safety

  • anorlunda
  • · Replies 10 ·
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10

Wind turbine to charge 12V batteries

  • MAGGIE55
  • · Replies 6 ·
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6

Would it be incorrect to say a node exists between two elements?

  • goonking
  • · Replies 11 ·
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11
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5

How to calculate in a nested supermesh?

  • hpare
  • · Replies 3 ·
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3

Why efficiency of induction motor is low for low HP?

  • srinaath
  • · Replies 3 ·
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3

Why slip is more in low HP induction motor?

  • srinaath
  • · Replies 1 ·
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1

Difference between ohmic and non ohmic resistors

  • netsky
  • · Replies 7 ·
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7

MOT primary winding electromagnet with 220V AC supply

  • jim hardy
  • · Replies 6 ·
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6

Does a coil with CW and CCW turns split its B field?

  • Chris Fuccillo
  • · Replies 18 ·
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18

Subharmonic noise in DC-AC H-bridge Inverter

  • J-the
  • · Replies 7 ·
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7

Textronix 2205-40 scope rebuild question

  • Planobilly
  • · Replies 22 ·
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22

Why single phase induction motors are used for fractional HP applications

  • srinaath
  • · Replies 9 ·
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9

How Does an Electric Motor Work?

  • SirR3D
  • · Replies 2 ·
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2

Calculating Half Power Frequencies in RLC Circuits

  • Hassan Raafat
  • · Replies 9 ·
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9

How Does Power Consumption Compare Between AC and DC in a Single Device?

  • pmpstyles
  • · Replies 4 ·
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4

Need an idea -- project about surveillance system camera

  • mizieahmad
  • · Replies 12 ·
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12

How to calculate or select anti-vibration dampers?

  • qwerty69
  • · Replies 1 ·
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1

Few smps and/or amplifier questions

  • Salvador
  • · Replies 2 ·
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2

Generator efficiency in a vacuum

  • siren314
  • · Replies 5 ·
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5

Do transistors have internal resistance?

  • LtIvan
  • · Replies 5 ·
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5

What is baseline wandering in digital transmission?

  • Geek007
  • · Replies 4 ·
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4

Electrical load when equipment not in use

  • rainr
  • · Replies 7 ·
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7

Charging a battery from a pedal dynamo to power a home office PC

  • samsonmustang
  • · Replies 8 ·
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8

Reduce Amplifier Drift when load is near input impedance

  • Hyo X
  • · Replies 7 ·
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7

11kV vs 22kV electric distribution voltage

  • asela115
  • · Replies 5 ·
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5

Why Does My Ammeter/Voltmeter Read Incorrectly?

  • Chrisjohnson
  • · Replies 9 ·
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9

Designing a Line-Out Amplifier for TRS/phone connector

  • MisterX
  • · Replies 1 ·
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1

Geometry of IPM/double winding layer with Ansoft Rmprt

  • Omokhafe
  • · Replies 3 ·
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3
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1

Do 40 Watt 1 Ohm resistors exist

  • houlahound
  • · Replies 13 ·
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13

A Periodic Function Looks Like This Formula?

  • yosimba2000
  • · Replies 3 ·
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3

What governs how hard it is to turn a dynamo?

  • samsonmustang
  • · Replies 11 ·
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11

Network analyzer reading off the Smith chart for 100 ohm resistor

  • gremio594
  • · Replies 3 ·
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3

How is power supplied to a Ferris wheel?

  • vidya sagar
  • · Replies 5 ·
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5

Op Amp Basics: Why Does It Not Input Current?

  • Harrison G
  • · Replies 5 ·
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5

Water tank level control system

  • TheRedDevil18
  • · Replies 5 ·
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5

Why are potentiometers not a good method of speed control

  • rehaan
  • · Replies 4 ·
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4

Electric Fan, when Not Spinning, gets Hot?

  • tade
  • · Replies 8 ·
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8

Measuring Open Circuit Voltages with Sensing Resistors and a CRO

  • houlahound
  • · Replies 9 ·
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9

Amplify Position Sensor Circuit

  • CameronRose
  • · Replies 6 ·
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6

Increasing current drawn in Arduino Motor Shield

  • rkum99
  • · Replies 3 ·
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3

Is Chord Factor the same thing as Winding Factor?

  • EverGreen1231
  • · Replies 2 ·
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2

Do transistors *only* work with small current in base?

  • cmkluza
  • · Replies 15 ·
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15
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4

Universal motor reversal question

  • mooseboi
  • · Replies 2 ·
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2

Variable Voltage Transformer for Wind Turbine Battery Charging?

  • ual8658
  • · Replies 7 ·
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7

Where to buy photodetectors for a 4-week city lighting model project

  • PriviligeradVitMan
  • · Replies 7 ·
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7

Phase voltages in line-to-neutral fault

  • Frank Coutinho
  • · Replies 6 ·
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6