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

What kind of itterations was done here

  • dan_smith
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1

Preventing backflow from the grid into a renewable energy source

  • terahertz
  • · Replies 10 ·
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10

Two solenoids and a ferrite bar

  • riscy00
  • · Replies 1 ·
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1

Could someone me identify a burned-up resistor

  • carlos468
  • · Replies 33 ·
2
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33

Is my model a correct one -- adding two pid controllers

  • ABDUL HASEEB ARIF
  • · Replies 1 ·
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1

MOSFETs pulsing at a frequency out-of-phase

  • tim9000
  • · Replies 7 ·
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7

Solenoid reversing current direction with 19V 3.3A power supply

  • Anugrah_kora
  • · Replies 3 ·
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3

House almost burnt down from electrical fire, wondering why

  • quickquestion
  • · Replies 18 ·
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18

H-Bridge - diodes (or rather the lack of)

  • Dixo
  • · Replies 6 ·
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6

VSD for induction motor maximum current

  • tim9000
  • · Replies 1 ·
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1

Transmission line impedance etc

  • girts
  • · Replies 7 ·
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7

What if gap is irregular in capacitor

  • Gunmo
  • · Replies 3 ·
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3

Connecting solenoids to power supply

  • Anugrah_kora
  • · Replies 2 ·
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2

Losses on Power Transmission Lines

  • Barry Fends
  • · Replies 10 ·
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10

N00b alert: Reducing High, Pulsing Voltage

  • John154
  • · Replies 5 ·
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5

Converting 12V DC solar battery to 12V AC for a bug zapper

  • Phil12
  • · Replies 38 ·
2
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38

UPS, Marine Battery, as Sump Pump backup

  • UPSrecycler
  • · Replies 4 ·
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4

Electrical Efficiency of Ionized Air?

  • Cbrown92
  • · Replies 10 ·
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10

Material definition problem in ANSYS Maxwell

  • Emy
  • · Replies 1 ·
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1

12V diode combiner circuit question

  • Rbandura
  • · Replies 5 ·
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5

Why Does My Vintage Single Phase Generator Produce No Power?

  • Guineafowl
  • · Replies 14 ·
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14

How Do Permanent Magnets Generate Energy in a Dynamo System?

  • DudeWut
  • · Replies 3 ·
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3

Static test of Denso 12 V alternator

  • Guineafowl
  • · Replies 31 ·
2
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31

Why won't a voltage divider power my TS832 transmitter at 11.4V?

  • c d
  • · Replies 7 ·
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7

How can I achieve higher speeds when running stepper motors?

  • neoply
  • · Replies 5 ·
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5

Threshold voltage calculation of a CMOS gate

  • omar alaa
  • · Replies 1 ·
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1

Fiber Optic Coupling -- how to couple a 200μm core fiber into a 50μm core fiber?

  • Jamison Lahman
  • · Replies 1 ·
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1

Simple and clear LED question. LEDs pop and break

  • llatosz
  • · Replies 3 ·
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3

Questions about Dell Vostro 3550 and External Battery

  • Enargins
  • · Replies 30 ·
2
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30

Signal measurement ~50 pico volts

  • Paul Colby
  • · Replies 25 ·
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25

Electrical properties of standard lubrication oil (SAE)

  • Saravanakumar
  • · Replies 13 ·
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13

Problem in identifying terminals of a capacitor of a fan

  • Wrichik Basu
  • · Replies 15 ·
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15

Can a cathode ray tube be made from a light bulb?

  • dholbach
  • · Replies 15 ·
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15

Using 7 segment displays with adders

  • Mike Charlie
  • · Replies 3 ·
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3

Phased array radar primer for 800MHz and 5GHz bands

  • JeffEvarts
  • · Replies 5 ·
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5

Driving a neon bulb with high frequency

  • Manolis
  • · Replies 10 ·
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10

FPGA-based computer adapting to being shot?

  • MATLABdude
  • · Replies 1 ·
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1

Recognizing XOR gates in K-maps

  • Bipolarity
  • · Replies 1 ·
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1

Why do I need a processing code when I pair Arduino with bluetooth

  • marellasunny
  • · Replies 1 ·
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1

DC motor voltage recommendations for a bike and power tools

  • MikeTownsend
  • · Replies 5 ·
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5

Building a 3kW vintage valve amplifier for a rock band

  • wolram
  • · Replies 29 ·
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29

Why use two 2M resistors instead of one 4M in PCB design

  • eq1
  • · Replies 10 ·
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10

Can I Use 500W Voltage Converter on 110-127V Appliance?

  • Greenarrow
  • · Replies 1 ·
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1

Why does the power consumption of a plucker machine vary with rotational speed?

  • Henry Rufin
  • · Replies 5 ·
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5

Voltage and Current in Ohm's Law

  • Shafia Zahin
  • · Replies 20 ·
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20

Where to find quality 24V 50Ah LiFePO4 batteries

  • Physics_Kid
  • · Replies 3 ·
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3

Capacitors on motors: why big C for starting, small for running?

  • Jack of some trades
  • · Replies 4 ·
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4

Why can you replace the load with a current source in Thevenin's theorem proof?

  • Pedro Cardoso
  • · Replies 1 ·
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1

How should I calculate conductivity

  • emma
  • · Replies 6 ·
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6

How Does Voltage Influence Electron Behavior?

  • Windell
  • · Replies 9 ·
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9

Finding the reset pin on a Grundig beta 5 car radio microcontroller

  • Guineafowl
  • · Replies 10 ·
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10

Why did a radio tube emit X-rays strong enough to disable a Geiger counter?

  • eigenmax
  • · Replies 11 ·
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11

How do conduction tobacco vaporizers create heat?

  • Fizixkid22
  • · Replies 2 ·
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2

Magnetic field behind “invisible barrier”

  • Tilde90
  • · Replies 3 ·
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3

How do TN and IPS LCDs produce grays?

  • SIM677
  • · Replies 1 ·
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1

20W solar panel not charging 18Ah battery fast enough for nightly LED lights

  • Wolst73
  • · Replies 153 ·
6
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153

Radioactive rivet in old meter movement magnet

  • dlgoff
  • · Replies 12 ·
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12

Can Bipolar Plate Technology Create High Voltage Capacitors?

  • CassieFordham
  • · Replies 17 ·
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17

Results make no sense regarding Kirchoffs laws?

  • Shakattack12
  • · Replies 11 ·
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11

Single Phase Induction motor winding phase difference

  • Vikas Kasireddy
  • · Replies 1 ·
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1

How to calculate large DC motor efficiency?

  • Ana Mido
  • · Replies 5 ·
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5

Selective Incident Headlight Intensity Measurement

  • Rian199
  • · Replies 3 ·
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3

I want a source to study radio transceivers

  • mody mody
  • · Replies 6 ·
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6

How grounding resistor and reactor have no effect in 3 phase fault?

  • Manoj Sahu
  • · Replies 1 ·
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1

What is preventing me from achieving better accuracy for this delay?

  • Nate Duong
  • · Replies 24 ·
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24

Measuring 500V DC burst using CRO

  • Nikhil N
  • · Replies 3 ·
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3
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3

Directly power house with alternator

  • John4890
  • · Replies 2 ·
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2

Why won't power utility company charge for kVA instead of kW

  • kended
  • · Replies 35 ·
2
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35

How to calculate standard deviation?

  • Nate Duong
  • · Replies 4 ·
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4

Can we create femtosecond laser instead of buying it

  • Jayant Dabas
  • · Replies 1 ·
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1

Using two connected Yagi antennas to "bend" a mobile signal

  • TallSteve
  • · Replies 18 ·
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18

Dynamo design with regenerative back mmf

  • Narayanan KR
  • · Replies 7 ·
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7

Calculate Ohmic Resistance of Bipolar Junction Transistor

  • Faisal Moshiur
  • · Replies 5 ·
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5

3 Phase Systems in a Wye Configuration

  • jendrix
  • · Replies 5 ·
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5

DC Motor Speed Increases Under Load - Modeling w/ Simulink

  • Nick Goodson
  • · Replies 2 ·
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2

Can I run a 150W CFL designed for 220V without an adapter?

  • francistm
  • · Replies 9 ·
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9

Why does a 700W gyroboard claim 2 hour runtime on 48V 4.4Ah battery?

  • Yuri B.
  • · Replies 7 ·
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7

ANSYS MAXWELL SIMPLORER Solution Error

  • Bharat
  • · Replies 1 ·
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1

Simple effective resistance of a circuit at low voltages

  • zapnthund50
  • · Replies 46 ·
2
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46

Voltage Regulator Circuit Calculations

  • Alexander1
  • · Replies 4 ·
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4

Increasing voltage regulator current

  • TheRedDevil18
  • · Replies 20 ·
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20

Region of convergence Z-transform

  • MikeSv
  • · Replies 3 ·
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3

Outdoor antenna for receiving 70 MHz TV station

  • maearnie
  • · Replies 12 ·
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12

Opamp for MF/RF ranges (1.0-1.2MHz)

  • Karissa
  • · Replies 15 ·
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15

What do electric and magnetic fields look like around a dipole antenna?

  • Nate Duong
  • · Replies 6 ·
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6

Coupling capacitance between interconnects in VLSI

  • omar alaa
  • · Replies 9 ·
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9

Which type of busbar is this (220kV)?

  • Mahesh Dahal
  • · Replies 1 ·
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1

Small and powerful enough battery?

  • Dimitar63
  • · Replies 5 ·
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5

Inductive and capacitive reactance

  • fonz
  • · Replies 3 ·
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3

How will the voltage, current and resistance be distributed

  • Buggsy GC
  • · Replies 4 ·
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4

Make a Monophase AC Motor Run: 3 Speeds Fan w/ Digital Logic

  • Phellippe Marques
  • · Replies 4 ·
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4

Why would I have 240 on one lead into breaker panel?

  • ChrisZ
  • · Replies 1 ·
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1
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3

Getting the magnetic field as a function of current

  • vogtster
  • · Replies 4 ·
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4

Maximum theoretical power from piezoelectric harvesting

  • juanitopapito
  • · Replies 12 ·
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12

LiPo battery peak current burst C rating

  • EnEE
  • · Replies 4 ·
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4

Is it OK to write the resistance in parallel like this?

  • TBert
  • · Replies 3 ·
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3

Bode phase plots and initial angles of transfer functions

  • vysero
  • · Replies 1 ·
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1

Inverter for 3-phase fully controlled Thyristor converter

  • cnh1995
  • · Replies 3 ·
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3