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
DC motor tacho feedback failure and speed control loss
- Gokulkumar
- · Replies 3 ·
Why this Simple Watt Meter for a 220 Volt Circuit works?
- henriquevpp
- · Replies 4 ·
Why can't a 2 pole ac induction motor run a 6 pole induction generator
- Elijah Castiel
- · Replies 4 ·
VSWR variation in DIY wideband log-periodic antenna 100MHz-6GHz
- flowwolf
- · Replies 8 ·
Why does transformer secondary inductance differ when measured with primary load?
- electricalguy
- · Replies 2 ·
EMF below Power Transmission Lines
- FFjhh
- · Replies 2 ·
Home experiment - 'seeing' magnetic lines of force?
- LentilSoup7
- · Replies 6 ·
KCL got declined in Norton circuit of an ideal amplifier circuit
- Bardia Sahami
- · Replies 12 ·
Bare metal programming with Keil on ARM Cortex-M4
- Tone L
- · Replies 10 ·
MOSFET Transistors as Switches
- Fascheue
- · Replies 5 ·
How Do SCRs, Thyristors, and GTOs Work for Bidirectional Switching?
- essenmein
- · Replies 8 ·
Need replacement advise for KA3525A IC
- HomeExperiement
- · Replies 4 ·
At what frequencies does an LRC circuit store energy in the capacitor or inductor?
- Albertgauss
- · Replies 25 ·
Grounding conductor connected to grounded conductor
- Electrij
- · Replies 32 ·
Power loss in battery electric vehicle motors at different speeds
- T C
- · Replies 10 ·
Ferrite Cores on the output cable of a VFD
- Dinoduck94
- · Replies 4 ·
Silent motor for automatic watch winder at night
- sophiecentaur
- · Replies 17 ·
Why does a thyristor keep conducting after removing the gate current?
- brent1369
- · Replies 5 ·
Calculating the Efficiency, total output power and irradiance of LEDs
- WonderfulWorld
- · Replies 2 ·
How do I properly charge my LIPO battery?
- Lookitsame
- · Replies 11 ·
Problem with PMSM motor model in Simulink
- Schenk123
- · Replies 1 ·
AC motor rotary capacitor soft start
- artis
- · Replies 5 ·
Is the Indian National Power Grid in danger?
- cnh1995
- · Replies 16 ·
Anyone have a light bulb blow up?
- Greg Bernhardt
- · Replies 30 ·
Background EMF levels abnormally high?
- philhelm
- · Replies 18 ·
Starting Torque of Synchronous Motors
- Dr.D
- · Replies 6 ·
Electrical frequencies that are NOT harmful to people
- CCatalyst
- · Replies 17 ·
Giving a jump start to a car - how does the circuit become complete?
- musicgold
- · Replies 61 ·
Op-amp Oscillator Circuit Design (10-50 MHz)
- tadeh89
- · Replies 6 ·
Do AC generators make use of interpoles?
- Jacob Anderson
- · Replies 4 ·
Why does a DC motor overspeed when the field winding loses power?
- brent1369
- · Replies 24 ·
What is the difference between PCM and quantization?
- Boltzman Oscillation
- · Replies 3 ·
What happens if run contactor and auto transformer wye contactor close simultaneously?
- kenneth edmiston
- · Replies 1 ·
RS flip flop -- Replacing a NOR gate with an OR gate
- Flying_Dutchman
- · Replies 5 ·
Baseline Recovery time of Shaper Amplifier output
- Adeelalishah
- · Replies 3 ·
Why will 240 volt condenser kill me but not 7,000 volt electric fence?
- timmeister37
- · Replies 47 ·
Signal Speed Below the Speed of Light for Circuit Abstraction
- halleff
- · Replies 8 ·
Could you show me a super capacitor's charging circuit? :(
- emtae55
- · Replies 2 ·
Permanent magnets and "permeance"
- hollowman
- · Replies 10 ·
What is the negative sign in Faraday's Law/EMF with respect to?
- etotheipi
- · Replies 2 ·
Can a superconductor "repel" an electromagnet due to the Meissner effect?
- Dante Meira
- · Replies 2 ·
Space vector modulation, motor control, implementation question
- david316
- · Replies 2 ·
Voltage drop in a PCB power plane
- AdrianRodz1
- · Replies 28 ·
Running a Raspberry Pi with a Solar Panel
- Tone L
- · Replies 7 ·
Halbach array arrangement for a transformer
- coolboyshane88
- · Replies 26 ·
Would there be a smartphone today without Einstein's discoveries?
- somega
- · Replies 40 ·
IR thermometer vs thermal imager
- chirhone
- · Replies 52 ·
Why does non-isolated AC-DC converters couple line noise to ground more easily?
- trurle
- · Replies 11 ·
Realistic Core Weight Reduction for 1000Hz Freq in 100KW DC/DC Converter
- Windadct
- · Replies 25 ·
What's the normal low-load working temperature for an SMPS transformer?
- HomeExperiement
- · Replies 27 ·
Universal motor with commutator, recovering the back EMF?
- artis
- · Replies 20 ·
Electromagnetic induction in motors
- Josielle Abdilla
- · Replies 3 ·
Why do you need a line 2 on an Alternating Current circuit?
- timmeister37
- · Replies 22 ·
Possible to connect two electromagnets perfectly together?
- Bernardtai
- · Replies 14 ·
Eddy current calculation question
- Yani Botsanovski
- · Replies 2 ·
Line filter, proper LTspice simulation
- flowwolf
- · Replies 15 ·
Understanding a Concept: Seeking Deeper Answers
- Special One
- · Replies 11 ·
Can Ultrasonic Sensors Accurately Measure Gas Tank Levels?
- LD300316
- · Replies 7 ·
Capacitance (intended and parasitic)
- fog37
- · Replies 17 ·
What causes an AC motor to pull locked rotor amps?
- fourthindiana
- · Replies 21 ·
How can magnetic fields be shielded from external sources?
- Dusan Stan
- · Replies 24 ·
Senses Necessary for Insect Flight
- Knowledge Seeker
- · Replies 7 ·
If I connect two 4700 uf capacitors in parallel with my 8.3A battery
- core1985
- · Replies 16 ·
What type of battery pack can power a device with 9V 0.5A output?
- chirhone
- · Replies 79 ·
Why does cooling in the fridge temporarily fix a dead Fire TV device?
- snoopies622
- · Replies 33 ·
Controller to regulate transformer output waveform and amplitude
- artis
- · Replies 46 ·
What does the standby symbol on power switches really mean?
- dlgoff
- · Replies 7 ·
How does a welding machine output more power than its input?
- nmatiiq
- · Replies 40 ·
What is the strength of this scrap yard electromagnet?
- Aq psm
- · Replies 11 ·
What do the symbols on an electrical switch mean?
- AbdullahS
- · Replies 2 ·
Why Use Transorbs Instead of Diodes in a Generator Rotor Circuit?
- OddBod
- · Replies 5 ·
Designing a 1500W induction heater to heat a steel pin to 600F
- jeff davis
- · Replies 3 ·
What tests should you run on an AC drive and motor setup?
- Hraabo
- · Replies 4 ·
Does My Router Need a Faraday Cage to Protect Me From Harmful Radiation?
- Ainokea
- · Replies 3 ·
Total Current running through a wire due to the drawn currents
- HAgdn
- · Replies 29 ·
Finding the fault in this circuit (UV lamp controller)
- engnrshyckh
- · Replies 3 ·
AC Mains Generator -- RPM changes based on load changes
- Ocata
- · Replies 5 ·
How to operate a Variable DC source
- fog37
- · Replies 10 ·
Can I use plastic tape to fix the rips on batteries
- kenny1999
- · Replies 20 ·
Converting Allegro .brd file to Altium format without Allegro installed
- Rive
- · Replies 7 ·
Devise a no longer available component for use in Target 3001?
- joniverson
- · Replies 13 ·
Switchboard in a hazardous area
- victorgoh
- · Replies 3 ·
Feedline impedance matching for the WSM 50 Kilowatt AM station in Nashville TN
- AA6EG
- · Replies 20 ·
Solve Multiplexing Conundrum with LS153 Circuit
- Mirek2010
- · Replies 4 ·
How to calculate energy stored in battery
- Saleem Nasir
- · Replies 2 ·
Voltage measurement on a Current Transformer (CT)
- kenneth edmiston
- · Replies 17 ·
Rewinding motorcycle stator for 12v DC charging system
- bkrame429
- · Replies 3 ·
Must a load consume the entire available current or only what it needs
- Boltzman Oscillation
- · Replies 19 ·
Vacuum interrupter contacts and displacement current
- kenneth edmiston
- · Replies 8 ·
How can I learn to use Cadence for PCB design?
- tadeh89
- · Replies 4 ·
Can two 9V bulbs work properly with a single 9V battery?
- Boltzman Oscillation
- · Replies 13 ·
Closed vs Open Electrical Circuits
- W5VLT
- · Replies 14 ·
Using a foreign heater with different voltage and plug
- kenny1999
- · Replies 5 ·
Is the iPhone mute button waterproof? How does it work?
- Aurimas
- · Replies 7 ·
Motor / transformer variable frequency control
- artis
- · Replies 11 ·
Is Replacing a 25 kVAr Unit with Two 12.5 kVAr Units More Efficient?
- AbdullahS
- · Replies 2 ·
Schematics of a high pressure water switch
- chirhone
- · Replies 46 ·
12V power supply won't activate DEWENWILS switch power-on button
- ShiftCTRL
- · Replies 17 ·
Interpreting SPI Commands in FPGA Applications
- unplebeian
- · Replies 5 ·