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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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Understanding VFD & 3 Phase AC Motors: Torque, Speed, and Voltage Explained

Nov 24, 2010 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 4K

Is it possible to get a equivalent capacitance from S parameters?

Apr 30, 2011 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 4K

What size inductance for a flyback transformer?

Jul 11, 2009 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 3K

Interpreting magnitude of HSPICE's FFT-output of mixed signals

Oct 5, 2008 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 3K

How Is Shannon's Capacity Formula Geometrically Proven?

Oct 26, 2010 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 3K

Benefits of induction coil over an alternator?

Oct 10, 2008 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 3K

Power analysis of low frequency component

Nov 12, 2007 · Replies 1 · Jun 3, 2019

Replies: 1

Views: 3K

When using a DMM to check for a short to ground, why do you need one lead on ground?

Jun 2, 2019 · Replies 16 · Jun 3, 2019

Replies: 16

Views: 5K

Calculate max voltage of toggled inductor

Mar 22, 2011 · Replies 2 · Jun 2, 2019

Replies: 2

Views: 4K

I have been unable to build a transformer

May 29, 2019 · Replies 17 · Jun 2, 2019

Replies: 17

Views: 3K

Query about the time average of an AC power supply

Jun 1, 2019 · Replies 2 · Jun 2, 2019

Replies: 2

Views: 2K

Question about inductive motor and load filter.

Jun 11, 2009 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Is It Possible to Design and Build a Feasible Pulse Generator for Home Use?

Jul 24, 2006 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Hall Effect Current Sensor Measurement Fluctuations at low current measurements

Feb 28, 2012 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Mutual Inductance (Require EMF to Distance equation)

Mar 15, 2011 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Nickel-penny composition for voltaic cell

Apr 28, 2010 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Magnetic forces required to repel, one permanente and one electromagnet

Apr 12, 2011 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Seperately excited DC machine question

Apr 20, 2006 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Selecting the Right Fuse Size for Compressors

Apr 20, 2005 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

Motor Speed Control: Design & Considerations

Oct 20, 2008 · Replies 1 · May 31, 2019

Replies: 1

Views: 3K

How Can I Detect SCART Aspect Ratios Using a Serial Port?

Feb 14, 2008 · Replies 2 · May 31, 2019

Replies: 2

Views: 4K

Core material for high power high frequency coil/solenoid

May 2, 2019 · Replies 61 · May 30, 2019

3

Replies: 61

Views: 10K

Single phase induction motors (cap run)

Oct 12, 2010 · Replies 3 · May 29, 2019

Replies: 3

Views: 4K

Dual Speed Motors: Understanding No-Load Speed of DC Units

Nov 12, 2005 · Replies 3 · May 29, 2019

Replies: 3

Views: 4K

AC Motor 2900 RPM: Connecting Coils

Oct 2, 2007 · Replies 2 · May 29, 2019

Replies: 2

Views: 4K

BJT Amplifiers - Loadline question

Sep 4, 2010 · Replies 7 · May 29, 2019

Replies: 7

Views: 7K

Determining Length of Sequence for Modulation Techniques

Sep 22, 2007 · Replies 1 · May 29, 2019

Replies: 1

Views: 3K

(Electric) Circuit simulation software for blood flow model

Mar 13, 2012 · Replies 1 · May 29, 2019

Replies: 1

Views: 3K

Current transformer polarity and power flow

May 30, 2011 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Oscilloscope/Function Generator with GnuRadio (using very cheap hardware)

Jan 22, 2012 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Mass Vibrator using a Neodymium cylinder

Nov 7, 2007 · Replies 1 · May 29, 2019

Replies: 1

Views: 3K

Electric field from Skin Effect on a wire

Dec 4, 2008 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

How Does Z-Transform Multiplication Relate to Block Diagrams in Control Systems?

May 22, 2009 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

How to test an small electric motor

Nov 30, 2010 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Control System Design for Boost Converter

May 21, 2009 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Generator output to Grid Tie Inverter

Mar 16, 2010 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Senior design project ideas merging biomedical and electrical engineering

Jun 23, 2012 · Replies 1 · May 29, 2019

Replies: 1

Views: 4K

Understanding Phasor Analysis in RC Circuits

Apr 5, 2014 · Replies 2 · May 29, 2019

Replies: 2

Views: 3K

What are the mistakes in determining output impedance using h-parameter model?

May 25, 2019 · Replies 2 · May 29, 2019

Replies: 2

Views: 2K

How Does a Lumin/Plasma Disc Work?

Oct 9, 2016 · Replies 8 · May 27, 2019

Replies: 8

Views: 7K

How to create device that makes electrical discharge

May 25, 2019 · Replies 10 · May 27, 2019

Replies: 10

Views: 2K

Wrong answer key for this Induction Motor question?

May 20, 2019 · Replies 8 · May 27, 2019

Replies: 8

Views: 3K

How does circuit complete when using live wire tester?

May 24, 2019 · Replies 7 · May 26, 2019

Replies: 7

Views: 3K

How does RFI manifest in the audio range?

May 23, 2019 · Replies 6 · May 26, 2019

Replies: 6

Views: 3K

Optimizing Coil Design for DIY Generator Efficiency

May 23, 2019 · Replies 28 · May 25, 2019

Replies: 28

Views: 17K

Finding the settling time of an oscillatory response

May 19, 2019 · Replies 7 · May 25, 2019

Replies: 7

Views: 4K

Design of an Op Amp Circuit for Voltage Amplification

May 24, 2019 · Replies 9 · May 25, 2019

Replies: 9

Views: 5K

What resources can help with designing a stator ring for an AC motor?

Jun 7, 2010 · Replies 1 · May 25, 2019

Replies: 1

Views: 4K

A question related to the LED Dimmer circuit of 05/29/07

Jun 30, 2007 · Replies 1 · May 25, 2019

Replies: 1

Views: 4K

Armature Diameter formula question

Jun 20, 2010 · Replies 2 · May 24, 2019

Replies: 2

Views: 6K

Programming GPIB Instruments in Labview: Need Help!

Sep 3, 2010 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Another Beginner Question (Interfacing Computer Hardware/Circuitry)

Apr 15, 2010 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Questions on Noise Budgeting for Electronics

Apr 21, 2010 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Car Struck by Lightning: Faraday Cage or Skin Effect?

Aug 12, 2010 · Replies 1 · May 24, 2019

Replies: 1

Views: 5K

Questions About Speaker Specifications

Sep 23, 2007 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Why Choose Higher Pole Motors If Lower Pole Motors Can Achieve Similar HP?

Dec 15, 2013 · Replies 1 · May 24, 2019

Replies: 1

Views: 7K

Clamp switch (Working of components)

Nov 10, 2011 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Optimizing 3-Phase Power: Bus Bar Replacement Project at Port of Lake Charles

Jul 21, 2004 · Replies 1 · May 24, 2019

Replies: 1

Views: 4K

Digital Phase Control using IGBTs

Apr 16, 2008 · Replies 3 · May 24, 2019

Replies: 3

Views: 5K

How is the Aging of Electronic Equipment determined?

Dec 2, 2018 · Replies 11 · May 23, 2019

Replies: 11

Views: 5K

Comparing Viterbi & Kalman Filters for Dynamic HMM

Nov 15, 2011 · Replies 1 · May 23, 2019

Replies: 1

Views: 5K

Tubular permanent magnet linear motors

Dec 6, 2013 · Replies 1 · May 23, 2019

Replies: 1

Views: 6K

Differential protection and auto transfer system

Dec 13, 2007 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

How Can I Convert a Variable DC to an AC Inverter for Off-Grid Use?

Mar 25, 2011 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Inductance in Ansoft Maxwell SV

Sep 22, 2009 · Replies 1 · May 23, 2019

Replies: 1

Views: 7K

Help, in comsol how to set a perfect plane wave (3D)?

Jul 22, 2009 · Replies 1 · May 23, 2019

Replies: 1

Views: 6K

Effect of oscillating magnetic field on diamagnetic water

Feb 2, 2010 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Negative energy and opposite self-induction device

Dec 3, 2004 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Kalman Filters & accelerometers - linear vs extended, what do I need?

Jun 1, 2009 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Signal to interference ratio for CDMA

Jan 31, 2010 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Air Core Transformer design help

Nov 29, 2011 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

Single Mode to Multi-mode back to Single Mode

Jan 22, 2008 · Replies 3 · May 23, 2019

Replies: 3

Views: 11K

How Do You Calculate Line Flows from Load Flow Analysis?

Nov 4, 2008 · Replies 1 · May 23, 2019

Replies: 1

Views: 4K

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: 12K

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: 6K

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: 4K

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

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

Replies: 20

Views: 17K

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: 3K

H(ω) and H(s) as transfer functions

May 9, 2019 · Replies 1 · May 9, 2019

Replies: 1

Views: 3K

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

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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