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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...

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Optimizing Reactive Power Injection with a Single Phase Inverter

Oct 19, 2009 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Physical Significance of the Laplace Transform

May 4, 2019 · Replies 31 · May 22, 2019

2

Replies: 31

Views: 13K

Throttle body modeling and simulation

May 18, 2019 · Replies 6 · May 22, 2019

Replies: 6

Views: 3K

Finding the fault in the SMPS in our PC

May 16, 2019 · Replies 14 · May 22, 2019

Replies: 14

Views: 3K

Boosting a petrol generator with a car battery?

May 14, 2019 · Replies 11 · May 21, 2019

Replies: 11

Views: 5K

Do I Need Freewheel Diodes for My H Bridge Mosfet Inverter Circuit?

May 15, 2019 · Replies 8 · May 21, 2019

Replies: 8

Views: 7K

Troubleshooting 74LS90 Counting Issues: Using Input Pulses from a 555 Timer

May 17, 2019 · Replies 7 · May 20, 2019

Replies: 7

Views: 3K

Why is the drain current steady after pinchoff in a JFET?

May 12, 2019 · Replies 1 · May 18, 2019

Replies: 1

Views: 4K

DC Motor Working Principles: Are Both Explanations of the Rotor Valid?

May 16, 2019 · Replies 2 · May 17, 2019

Replies: 2

Views: 2K

Electric current being alternated with continuous part

May 15, 2019 · Replies 5 · May 17, 2019

Replies: 5

Views: 2K

The 555 timers I use don't always generate pulses

May 12, 2019 · Replies 30 · May 16, 2019

2

Replies: 30

Views: 5K

How to build a Faraday cage to keep a WiFi signal inside?

Apr 23, 2019 · Replies 20 · May 15, 2019

Replies: 20

Views: 18K

Do Cable Trays in Sydney Car Parks Require Individual Earthing?

Apr 16, 2012 · Replies 3 · May 14, 2019

Replies: 3

Views: 3K

New Parallel Resistor Calculation Method

May 11, 2019 · Replies 2 · May 12, 2019

Replies: 2

Views: 3K

Potential Fourier Analysis Metrics?

Oct 7, 2012 · Replies 2 · May 12, 2019

Replies: 2

Views: 3K

How to measure phase difference of 2 signals using IQ demodulator

Sep 13, 2011 · Replies 1 · May 12, 2019

Replies: 1

Views: 11K

RF cavity shunt impedance, PD and input power

May 7, 2019 · Replies 13 · May 12, 2019

Replies: 13

Views: 4K

Confused by envelope detection and windowing+overlapping

May 2, 2019 · Replies 6 · May 11, 2019

Replies: 6

Views: 3K

2.45GHz RF microstrip Transmission Line design

Jun 30, 2010 · Replies 3 · May 11, 2019

Replies: 3

Views: 6K

ECG measurment (frequency of ECG)

May 8, 2019 · Replies 20 · May 10, 2019

Replies: 20

Views: 4K

H(ω) and H(s) as transfer functions

May 9, 2019 · Replies 1 · May 9, 2019

Replies: 1

Views: 4K

Linear Synchronous Motor velocity?

Jul 16, 2004 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Problem in taking voltage signal from photodiode to labview

Jun 22, 2008 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Location of Capacitor banks for PF Improvement

Mar 12, 2011 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Neper freq, Damping factor, ratio, coefficient confusion.

May 15, 2011 · Replies 1 · May 9, 2019

Replies: 1

Views: 7K

Back emf in motors and capacitors

Mar 22, 2011 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

RPM independent grid tie induction generator

Jan 5, 2010 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

How to Design an RTL Circuit with Basic Logic Components?

Oct 22, 2004 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Maxwell 3D - DC analysis on Human Body

Jul 20, 2013 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

VHDL code - write to a binary .dat file

Feb 16, 2011 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

How to Model a Fast-Response Induction Machine for Variable Load Simulations?

Jan 11, 2006 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Need help setting up FEMM for current flow problem

Apr 17, 2010 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

Why Does My Bathroom GFCI Keep Tripping and Won't Reset?

May 8, 2019 · Replies 6 · May 9, 2019

Replies: 6

Views: 3K

Help with VHDL Serial Port for Automated HVAC Thermostat

Jul 7, 2010 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

How to get force between two permanent magnets using ANSYS?

May 15, 2010 · Replies 1 · May 9, 2019

Replies: 1

Views: 6K

Getting an old PLC onto Allen Bradley DH+

Jul 10, 2008 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

DC Generator Question: How Can Loading Occur When Terminals are Open?

Sep 13, 2007 · Replies 1 · May 9, 2019

Replies: 1

Views: 5K

Parallel Equipment Grounding Conductors, Short Circuit

May 4, 2019 · Replies 4 · May 8, 2019

Replies: 4

Views: 5K

Lightning Protection System w/ Inductor: Impact?

May 3, 2019 · Replies 20 · May 7, 2019

Replies: 20

Views: 4K

About Inverter Compressor: Starting Current

May 1, 2019 · Replies 4 · May 7, 2019

Replies: 4

Views: 7K

Power Factor Correction - Capacitor Sizing wrt Motor Speed

Jun 3, 2014 · Replies 2 · May 7, 2019

Replies: 2

Views: 3K

What is the difference between lumen efficiency and efficacy in lighting?

May 6, 2019 · Replies 4 · May 6, 2019

Replies: 4

Views: 2K

Characteristic Impedance differences

May 5, 2019 · Replies 1 · May 5, 2019

Replies: 1

Views: 2K

Fan motor stalling on running winding

Apr 27, 2019 · Replies 7 · May 4, 2019

Replies: 7

Views: 3K

Resonance in a coupled circuit

Aug 13, 2005 · Replies 2 · May 4, 2019

Replies: 2

Views: 6K

Troubleshooting Xbee Module Data Transmission with Accelerometer Sensor

Sep 6, 2014 · Replies 1 · May 4, 2019

Replies: 1

Views: 2K

Step input to loaded transformer

Jan 24, 2014 · Replies 1 · May 4, 2019

Replies: 1

Views: 3K

How does a solenoid valve operate and what factors affect its behavior?

Feb 21, 2014 · Replies 1 · May 4, 2019

Replies: 1

Views: 3K

Help with diagnosing faulty PS3 HDMI

May 5, 2010 · Replies 1 · May 4, 2019

Replies: 1

Views: 6K

How to solve the pole of polynomial with matrix coefficient

Jul 31, 2008 · Replies 1 · May 4, 2019

Replies: 1

Views: 6K

Signals and systems - zero state response

Aug 31, 2006 · Replies 1 · May 4, 2019

Replies: 1

Views: 6K

Understanding 1/f Noise in DC Voltmeters: Causes and Solutions

May 3, 2019 · Replies 5 · May 4, 2019

Replies: 5

Views: 3K

Transformer N1V1=N2V2 works only one freq

May 2, 2019 · Replies 6 · May 3, 2019

Replies: 6

Views: 5K

Mutual inductance / coupling factor in twisted wire transformer

Nov 4, 2010 · Replies 2 · May 3, 2019

Replies: 2

Views: 7K

Using a generator to charge 2 batteries

Apr 23, 2019 · Replies 58 · May 3, 2019

2

Replies: 58

Views: 9K

Getting Extinction cross section from Radar cross section using HFSS

Sep 2, 2010 · Replies 2 · May 2, 2019

Replies: 2

Views: 7K

Time Response of Overdamped System

Oct 31, 2012 · Replies 1 · May 2, 2019

Replies: 1

Views: 7K

Common emitter ampl. with emitter resistor degen.

Apr 11, 2006 · Replies 1 · May 2, 2019

Replies: 1

Views: 6K

Need help verilog code error

Sep 19, 2009 · Replies 1 · May 2, 2019

Replies: 1

Views: 8K

Design of HID transformers: HPS and MH

Jan 20, 2007 · Replies 1 · May 2, 2019

Replies: 1

Views: 7K

Need help with rail-gun ( capacitor circuitry and specification questions)

Feb 21, 2009 · Replies 6 · May 2, 2019

Replies: 6

Views: 7K

Is solar PV's success solely due to its mass production capabilities?

May 1, 2019 · Replies 8 · May 2, 2019

Replies: 8

Views: 3K

Why is the band gap in alloys such as GaAs less?

May 1, 2019 · Replies 1 · May 1, 2019

Replies: 1

Views: 3K

Piezo Actuator Power Consumption

Oct 10, 2011 · Replies 2 · Apr 28, 2019

Replies: 2

Views: 5K

How can a PC detect the AC adapter brand?

Mar 24, 2016 · Replies 17 · Apr 27, 2019

Replies: 17

Views: 10K

Why Might High Speed Trip Relays Malfunction in Bus Bar Protection Schemes?

Dec 3, 2007 · Replies 1 · Apr 27, 2019

Replies: 1

Views: 6K

Calculating resistance of xenon flash tube

Nov 11, 2011 · Replies 1 · Apr 27, 2019

Replies: 1

Views: 8K

Why Does Third Harmonic Nuisance Persist in a Three-Phase Energy Meter System?

Apr 24, 2008 · Replies 1 · Apr 27, 2019

Replies: 1

Views: 7K

Question about USB and using long USB cables

Apr 26, 2019 · Replies 6 · Apr 27, 2019

Replies: 6

Views: 3K

How Efficient Are Linear Generators Compared to Radial Generators?

Jun 1, 2010 · Replies 1 · Apr 27, 2019

Replies: 1

Views: 8K

Voltage drop calculation in 3 phase unbalance circuit

Jan 1, 2010 · Replies 1 · Apr 26, 2019

Replies: 1

Views: 12K

New to Maxwell & FEM: Magnetostatic Analysis for Solenoid Valve

May 29, 2008 · Replies 1 · Apr 26, 2019

Replies: 1

Views: 8K

Differential Op Amp Gain Problem

Jul 4, 2005 · Replies 1 · Apr 26, 2019

Replies: 1

Views: 8K

Servo motor duty cycle vs. supply voltage

Nov 13, 2006 · Replies 1 · Apr 26, 2019

Replies: 1

Views: 8K

Is Calculating SIR Using Only Positive Sequence Components Justifiable?

Nov 15, 2010 · Replies 1 · Apr 26, 2019

Replies: 1

Views: 8K

Avalanche relaxation oscillator biasing resistor

Apr 25, 2019 · Replies 3 · Apr 25, 2019

Replies: 3

Views: 3K

AC Single phase stator wiring help

Apr 22, 2019 · Replies 6 · Apr 25, 2019

Replies: 6

Views: 8K

How Do You Determine the Permeability of Steel Screws Used in Electromagnets?

Feb 14, 2010 · Replies 4 · Apr 25, 2019

Replies: 4

Views: 5K

Detecting Logic State of 6 in Binary with Decoder Glitches

Mar 6, 2012 · Replies 1 · Apr 25, 2019

Replies: 1

Views: 6K

AD633 multiplier connection error

Oct 2, 2010 · Replies 1 · Apr 25, 2019

Replies: 1

Views: 6K

Admittance Matrix: Building Complex Discrete Laplacian Operators

Oct 15, 2009 · Replies 3 · Apr 24, 2019

Replies: 3

Views: 6K

Power lines connecting to the ground

Apr 17, 2019 · Replies 16 · Apr 24, 2019

Replies: 16

Views: 5K

What Should Be the Overload Relay Values in a Star-Delta Diagram?

Apr 7, 2019 · Replies 7 · Apr 23, 2019

Replies: 7

Views: 9K

Why Won't My 74HC595 Shift Register Outputs Turn Off?

Apr 22, 2019 · Replies 6 · Apr 23, 2019

Replies: 6

Views: 3K

Capacitors in a multiphase voltage multiplier?

May 21, 2012 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Finding Neper Frequency in RLC & Filter Circuits

Aug 22, 2012 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 11K

How Do You Calculate Power Efficiency in DTC Networks?

Jul 26, 2011 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Accuracy of a GPS receiver by comparing with post-processed DGPS data?

Aug 13, 2012 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Anyone with ATA memory I/F design experience?

Jan 6, 2012 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Why a DC power supply doesn't have a voltage with respect to ground?

Apr 21, 2019 · Replies 19 · Apr 22, 2019

Replies: 19

Views: 11K

Any IP-68 bulkheads under 15mm diam?

Jul 21, 2010 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Effect of variation of steam supply

Dec 30, 2009 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 3K

Question on the differentiation between a Network line from Radial

Sep 12, 2014 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 2K

Is there a better way to assign current direction in circuit analysis?

Apr 20, 2019 · Replies 6 · Apr 22, 2019

Replies: 6

Views: 5K

Question about a Flip Flop circuit

Apr 20, 2019 · Replies 1 · Apr 22, 2019

Replies: 1

Views: 2K

PC Case mod issue (illuminated switch)

Feb 28, 2013 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 2K

Surge Protector - strange reaction to light sources?

Aug 5, 2010 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

Reducing Noise in Waveform - Tips & Techniques

Sep 16, 2011 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

Efficient CMOS Comparator Circuit for PWM Experiments with Sawtooth Generator

Jan 27, 2014 · Replies 2 · Apr 21, 2019

Replies: 2

Views: 3K

Demodulation with variable bitrate?

May 21, 2009 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

Electrical Engineering

Electrical engineering is a discipline within engineering that focuses on the study and application of electricity, electronics, and electromagnetism. Electrical engineers design, develop, and maintain systems and devices that utilize electrical power, ranging from small-scale electronics to large power distribution networks. The field encompasses a diverse range of technologies, including telecommunications, signal processing, control systems, and power generation.

Electrical engineers play a crucial role in advancing technology, contributing to innovations such as computers, smartphones, renewable energy systems, and electric vehicles. Their work involves a combination of theoretical understanding, mathematical modeling, and practical application to create solutions that power the modern world.

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