Menu

Navigation

More options

Style variation

Contact us

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...

Filters

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: 6K

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: 2K

Transformer N1V1=N2V2 works only one freq

May 2, 2019 · Replies 6 · May 3, 2019

Replies: 6

Views: 4K

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: 8K

Getting Extinction cross section from Radar cross section using HFSS

Sep 2, 2010 · Replies 2 · May 2, 2019

Replies: 2

Views: 6K

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: 2K

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: 9K

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: 2K

AC Single phase stator wiring help

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

Replies: 6

Views: 7K

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: 2K

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: 4K

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: 2K

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

Can a 2KW Generator Handle a 5000 RPM, 27HP Engine for Tuning?

Feb 7, 2012 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

How Do Screws Affect Motor Lamination Integrity?

Apr 28, 2011 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

Noise voltage from t-network feedback in opamp circuit

Sep 8, 2014 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 3K

How does this unusual motor work?

Apr 19, 2019 · Replies 9 · Apr 20, 2019

Replies: 9

Views: 3K

AC Electricity Generation and Transmission over a Single Wire?

Apr 11, 2019 · Replies 21 · Apr 20, 2019

Replies: 21

Views: 5K

A question about how to protect a battery of an electric car?

Apr 17, 2019 · Replies 9 · Apr 19, 2019

Replies: 9

Views: 2K

Class A Amplifier Sinusoidal Input/Output Relation

Mar 26, 2019 · Replies 3 · Apr 19, 2019

Replies: 3

Views: 4K

Trying to type "I" with tilde on top (i.e. phasor notation) (MacOS)

Apr 18, 2019 · Replies 6 · Apr 18, 2019

Replies: 6

Views: 3K

Build a 555 DC AC Inverter for a 72W TV & 12V Car Battery

May 29, 2006 · Replies 2 · Apr 18, 2019

Replies: 2

Views: 14K

Transmission Line , OPGW Stringing

Apr 18, 2019 · Replies 2 · Apr 18, 2019

Replies: 2

Views: 2K

Question about Kepco Power Supply with Error Sensing

Apr 15, 2012 · Replies 1 · Apr 18, 2019

Replies: 1

Views: 3K

Interpretation of Linear Variable Differential Transformer (LVDT) voltage output

Feb 5, 2013 · Replies 1 · Apr 18, 2019

Replies: 1

Views: 3K

Power supply voltage range design cost

May 27, 2011 · Replies 1 · Apr 18, 2019

Replies: 1

Views: 3K

Automobile turn signal isolated circuit

Jul 24, 2011 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 3K

Open-Wire Feedline Measurements

Apr 11, 2019 · Replies 25 · Apr 17, 2019

Replies: 25

Views: 4K

Diagonal Series/Parallel Circuit

Apr 17, 2019 · Replies 6 · Apr 17, 2019

Replies: 6

Views: 4K

Fossil fuel reserves and home heating

Apr 9, 2019 · Replies 32 · Apr 17, 2019

2

Replies: 32

Views: 6K

How Can I Solve for the Temperature of a Spiral Inductor in Comsol Multiphysics?

Jun 1, 2008 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 5K

Designing Brake Circuit for Motor w/ 24V Battery & 0-5V Joystick

Oct 31, 2011 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 3K

A few circuit analysis questions.

Oct 16, 2004 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 7K

How does an antenna receive and transmit specific frequencies for RF devices?

Apr 13, 2019 · Replies 2 · Apr 16, 2019

Replies: 2

Views: 2K

Building An Infrared Remote To Control Triacs

Nov 27, 2008 · Replies 2 · Apr 15, 2019

Replies: 2

Views: 9K

DFT - zero padding avoids aliasing?

Dec 27, 2006 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Automatic Control: Specifications for 3rd-order systems and higher?

Jun 28, 2008 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Questions Design ferroresonant transformer

May 13, 2007 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Finding the Bandwidth of PSK Signal

May 2, 2008 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

3-Phase Voltage Supply Simulator

May 17, 2010 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

How are BLAC motors wound and what makes them different from BLDC motors?

Feb 3, 2010 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 8K

Synchronous Machine Power Angle Confusion

Dec 6, 2005 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 8K

GaAs/AlGaAs Etching: High & Low Aspect Ratios

Dec 6, 2004 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 8K

RFID Antennas with ferrite Rod

May 12, 2005 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 8K

Faraday's Law and EMF calculation

Sep 1, 2011 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

How Do Energy Flow Control Systems Work?

Dec 1, 2006 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Find Parts for OrCAD Capture | Simple Diagrams

Mar 23, 2016 · Replies 3 · Apr 15, 2019

Replies: 3

Views: 4K

Book to learn cadence SPB/OrCAD RELEASE 16.6

Jun 7, 2018 · Replies 5 · Apr 15, 2019

Replies: 5

Views: 2K

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.

Top