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

Inverter for 3-phase fully controlled Thyristor converter

  • cnh1995
  • · Replies 3 ·
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3

Will this solar charge controller circuit work?

  • Manoj Sahu
  • · Replies 3 ·
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3

Stopping LEDs from glowing when off with a series resistor

  • Bobs Marble
  • · Replies 10 ·
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10

What does IC555 do in this circuit?

  • Manoj Sahu
  • · Replies 10 ·
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10

Should the fuse go on the positive or negative wire?

  • fayan77
  • · Replies 6 ·
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6

Interpolating data of a bandpass filter with Q=10.4

  • Gianmarco
  • · Replies 2 ·
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2

Why Do I Need So Many Resistors? Is It Possible to Reduce?

  • Le Luc
  • · Replies 3 ·
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3

Using a treadmill PMDC motor on a lathe with PWM control

  • bpress54
  • · Replies 14 ·
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14

How to identify the contacts of an LCD connector?

  • PhysicoRaj
  • · Replies 3 ·
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3

Why do maglev trains use attraction vs repulsion

  • Paul Aitken
  • · Replies 10 ·
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10

Maintaining the integrity of an analog signal

  • van4
  • · Replies 2 ·
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2

How to store an audio voltage signal and recover it?

  • Tspirit
  • · Replies 13 ·
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13

Understanding Output Changes with Sensitivity on SR830 Lock-In Amplifier

  • Andres kubliki
  • · Replies 1 ·
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1

Transforming an Analog Radio into a Cosmos Radio Receiver

  • shimun
  • · Replies 7 ·
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7

What Equipment is Needed in a Microwave Transmitter Control Room?

  • maearnie
  • · Replies 3 ·
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3

On capacitive touchscreen technology

  • Tibi
  • · Replies 2 ·
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2

Difference between real and complex signals

  • MikeSv
  • · Replies 4 ·
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4

What Battery did Marty Cooper use in 1973?

  • Cool4Kat
  • · Replies 7 ·
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7

Understanding Root Locus Method: Stability and Response of Control Systems

  • thegreengineer
  • · Replies 4 ·
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4

Eddy current loss in solenoid half-filled with magnetic core

  • Benoit
  • · Replies 1 ·
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1

Testing an ABS sensor with a multimeter

  • Guineafowl
  • · Replies 14 ·
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14

Energy flow in grid connected PV system

  • hnes
  • · Replies 6 ·
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6

How to measure time variation of 2 signals using an oscilloscope?

  • Nate Duong
  • · Replies 10 ·
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10

Voltage between two points on an empty wire

  • TemporaryMan1233
  • · Replies 35 ·
2
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35

12AU7-IRF510 headphone amp: LM317 charge pump purpose

  • Weightofananvil
  • · Replies 10 ·
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10

Why a DC (direct current) component is undesirable?

  • janu203
  • · Replies 1 ·
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1

How do I invert DC 12V to AC 220-240V

  • Declet Uche
  • · Replies 17 ·
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17

UPS that accepts multiple power sources

  • Trainee Engineering
  • · Replies 5 ·
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5

Amplitude spectrum vs frequency spectrum

  • whatphysics
  • · Replies 3 ·
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3

Need Ideas for deep underwater LED light

  • Planobilly
  • · Replies 21 ·
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21

Does a Variable capacitance switch exist?

  • tim9000
  • · Replies 14 ·
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14

How did Armstrong's FM receiver and transmitter work?

  • Cool4Kat
  • · Replies 15 ·
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15

Frequency Division Multiplexing in Telephone

  • janu203
  • · Replies 7 ·
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7

Dumb question regarding short circuit test equivalent resistance

  • tim9000
  • · Replies 6 ·
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6

Analog zero-point synced AC PWM: is there a better way?

  • Archie Medes
  • · Replies 6 ·
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6

Ideas for making an image sensor

  • AdrianMachin
  • · Replies 8 ·
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8

What generator should I buy for charging 12V battery?

  • Manoj Sahu
  • · Replies 8 ·
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8

Why Do Circuit A and Circuit B Show Different Current and Voltage Behaviors?

  • paulmdrdo
  • · Replies 2 ·
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2

Why doesn't my analog delay line show reflections in Multisim?

  • Hiranya Pasan
  • · Replies 6 ·
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6
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3
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2

Radiation from a phone mast vs from a phone

  • Wokinglad
  • · Replies 8 ·
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8

Increase the maximum voltage rating of semiconducter

  • HVlad
  • · Replies 7 ·
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7

How does this 12V CFL and LED inverter circuit work?

  • Manoj Sahu
  • · Replies 15 ·
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15

RLC circuit equation: impedance, phasor notation, and angular frequency

  • rmiller70015
  • · Replies 4 ·
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4

Optimizing Gate Drive for High Voltage EFT Generator Design

  • Nikhil N
  • · Replies 7 ·
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7

How Do Radio Waves Cause Electron Movement in Antennas?

  • FilipLand
  • · Replies 4 ·
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4

Can I Use a Larger Power Bank for My LED Strip to Extend Its Battery Life?

  • airstrat
  • · Replies 1 ·
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1

MAR-6 MMIC amplifier chain saturation?

  • Ravaner
  • · Replies 7 ·
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7

Power supply for multiple devices -- effects on accuracy

  • belae1ka
  • · Replies 3 ·
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3

Is it possible that there is a 220 volts but low current?

  • Sevs evans
  • · Replies 2 ·
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2

Can You Ground a 3D-Printed Plastic Chassis for Electronic Projects Safely?

  • William123
  • · Replies 7 ·
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7

Adding a remote switch to my electric scooter

  • Hannemaster
  • · Replies 10 ·
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10

Are load cell signal conditioners limited to sample speeds?

  • belae1ka
  • · Replies 7 ·
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7

How can I connect a full bridge gate driver to an Arduino?

  • ha700
  • · Replies 8 ·
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8

How to choose the discharge time of a rechargeable battery

  • CharanV
  • · Replies 8 ·
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8

How Much Power Is Needed to Melt Lead?

  • JoeSalerno
  • · Replies 14 ·
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14

Using this power level indicator to measure a power supply voltage

  • shushi_boi
  • · Replies 1 ·
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1

TSOP38238 infrared receiver needs hand motion to detect signal

  • nshaiman
  • · Replies 11 ·
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11

Insights AC Power Analysis – Part 2, Network Analysis - Comments

  • anorlunda
  • · Replies 25 ·
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25

Historical Power Plant Costs and Efficiencies?

  • Delta Force
  • · Replies 3 ·
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3

Three-phase electric power: Household distribution

  • greypilgrim
  • · Replies 5 ·
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5
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2

Understanding Reactive Power Measurements with a Smart Meter

  • Sebastian Neo
  • · Replies 4 ·
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4

First car to use lithium-ion battery in starter motor

  • Rick KIM
  • · Replies 1 ·
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1

Simple test using current values to prove polarity

  • David Lowther
  • · Replies 8 ·
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8

Trying to get raw signal from SRF02 ultrasonic sensor

  • nst.john
  • · Replies 1 ·
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1
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6

How to calculate Time Delay Estimation?

  • Nate Duong
  • · Replies 14 ·
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14

Friis Path Loss on a Segmented Path Derivation

  • Frov_ken
  • · Replies 4 ·
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4

What is the meaning of 30W amplifier?

  • Nikhil N
  • · Replies 16 ·
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16

Increasing voltage using operational amplifier

  • zxcvb
  • · Replies 2 ·
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2

Electrostatic precipitators to capture diesel pollution?

  • zwanderer
  • · Replies 11 ·
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11

Low DC amp through small circuit of 14 AWG copper wire?

  • Porter22
  • · Replies 11 ·
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11

How to choose an amplifier to couple the noise into data line

  • Nikhil N
  • · Replies 2 ·
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2

What Are the Best Power Engineering Paper Topics for Seniors?

  • Vikas Kasireddy
  • · Replies 3 ·
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3

What are an engineer's most common concerns when selecting instrumentation?

  • Jacob Cheng
  • · Replies 18 ·
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18

Synchronous motor torque calculation from armature current

  • Alesa
  • · Replies 4 ·
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4

What is the worst problem caused by reversing the polarity?

  • cloa513
  • · Replies 6 ·
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6

PNP Transistor voltage calculation

  • vizakenjack
  • · Replies 1 ·
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1

Circuit that reverses the flow of current to a motor

  • Beembo
  • · Replies 4 ·
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4

Magnetic train/battery moving inside coil

  • fog37
  • · Replies 3 ·
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3

Why must PLL frequency equal system frequency for stable operation?

  • OliskaP
  • · Replies 3 ·
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3

Measuring motor resistance and speed of a geared DC motor

  • bbq_build
  • · Replies 8 ·
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8

Why DC series motor should not be started without load?

  • Manoj Sahu
  • · Replies 4 ·
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4

Neutral Conductor Current: How is it Possible?

  • Manoj Sahu
  • · Replies 4 ·
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4

App for turboencabulation calculations and percent realization display

  • anorlunda
  • · Replies 5 ·
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5

Checking the voltage in a light bulb socket

  • nikolafmf
  • · Replies 11 ·
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11

Receiving/transmitting with a Yagi antenna?

  • hodei_cloud
  • · Replies 9 ·
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9
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9

Paper about application of ADuCM350

  • intanaprilsm
  • · Replies 1 ·
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1

How van der Pauw measurement is influenced by the size of the sample

  • Martin Pecha
  • · Replies 8 ·
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8

How Many Turns for a 48V 40-60A eBike Motor Using 10AWG Wire?

  • JaWa
  • · Replies 1 ·
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1

Wiring and BMS setup for 13S2P pack with 26650 cells

  • JaWa
  • · Replies 6 ·
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6

Optimizing electromagnet design for MIT Actuated Workbench replica

  • Nmbr6
  • · Replies 1 ·
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1

Homopolar generator: disk vs. helix

  • Goldscuttle
  • · Replies 1 ·
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1

LM2596 burning out when stepping down dynamo voltage to 5V

  • Akmalidin
  • · Replies 8 ·
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8

Design Calculation and Sizing of a 500KVA Transformer

  • Henry99
  • · Replies 1 ·
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1

Control Solenoïd Valve Proportionally w/166Hz PWM

  • Charly Segaert
  • · Replies 3 ·
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3

Limiting amps and volts from a battery

  • JoeSalerno
  • · Replies 7 ·
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7