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

Induction: Questions reg. Coils vs Parallel Conductors

  • waterweber
  • · Replies 6 ·
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6

Troubleshooting a Non-Functioning Phono Input on a Marantz PM94 Amplifier

  • Planobilly
  • · Replies 5 ·
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5

Understanding relationships in Induction Heating circuits

  • steltzer
  • · Replies 1 ·
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1

Understanding the LM2576 Step-Down Regulator

  • mulothecook
  • · Replies 1 ·
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1

Build a Low-Voltage Negative Ion Generator w/ AA Batteries

  • Borrah Campbell
  • · Replies 2 ·
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2

Making a wind turbine, how to stop it overcharging battery?

  • beany_bot
  • · Replies 3 ·
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3

What is the reason for using high KVA transformers in electrical heaters?

  • Umar Awan
  • · Replies 1 ·
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1

How to understand negative frequency?

  • yangjun1222
  • · Replies 2 ·
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2

Anyone know how much torque a 550kva generator will make?

  • killer120062176
  • · Replies 8 ·
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8

Salient and Non-Salient pole Synchronous Generator

  • OliskaP
  • · Replies 11 ·
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11

Resistor noise reduction questions

  • Planobilly
  • · Replies 4 ·
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4
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2

Death of a Condenser (with Autopsy)

  • zoobyshoe
  • · Replies 8 ·
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8

Need ideas for a LED Pilot light for a tube amp

  • Planobilly
  • · Replies 21 ·
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21

"Easy" but cool electrical engineering projects

  • Josh225
  • · Replies 6 ·
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6

230V/50Hz to 110V/60Hz converter?

  • galapogos
  • · Replies 22 ·
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22

Enclosed floating aquatic 12v car-audio amp system

  • slick_willy
  • · Replies 12 ·
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12

What is the derivation of built in voltage for a P-n junction?

  • mertcan
  • · Replies 1 ·
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1

What is this electromagnetic device called?

  • Josh225
  • · Replies 4 ·
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4

Resistance Between Two Rectangular Electrodes

  • Vne147
  • · Replies 5 ·
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5

How much electricity can be produced from 3000 rpm?

  • Tom1211
  • · Replies 4 ·
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4

Difference Between Electrical and Optical Signal Encryption?

  • Fiona Rozario
  • · Replies 4 ·
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4

How to calculate Battery run-time?

  • Artahir
  • · Replies 4 ·
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4

How Do I Choose the Right Potentiometer for a Car Heater Blower Motor?

  • Teaman
  • · Replies 16 ·
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16

How is it possible to run a 12AX7 vacuum tube at 415VDC?

  • Planobilly
  • · Replies 23 ·
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23

Relay Driving Circuit Design Help

  • xtrubambinoxpr
  • · Replies 6 ·
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6

Looking for a small journal on antenna theory to publish my paper

  • qnach
  • · Replies 7 ·
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7

How useful is the IEEE green book?

  • stuerobert
  • · Replies 2 ·
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2

How to use the hydroelectric power equation

  • gloo
  • · Replies 4 ·
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4

How to Harness braking energy from an electric motor

  • Fizzics
  • · Replies 3 ·
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3

Boost a 36V e-scooter from Greece Crete

  • Kateridi
  • · Replies 6 ·
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6

SMPS transformer core getting hot advice

  • Salvador
  • · Replies 48 ·
2
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48

Finding n and p of semiconductor given temp, NA, ND, and Ni

  • campeola46
  • · Replies 1 ·
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1

Temperature dependant resistor for MAF

  • Salvador
  • · Replies 2 ·
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2

Low Latency IP Camera Solutions: Find 1080p30 Video

  • xortan
  • · Replies 4 ·
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4

How Do Antenna Size and Frequency Impact Ham Radio Transmission?

  • Newtons Apple
  • · Replies 3 ·
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3

Connecting an External Audio Source to a DDS-100 Function Generator

  • Sveral
  • · Replies 3 ·
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3

Transferring a handheld radio into a antique style radio box

  • James Chaney
  • · Replies 12 ·
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12

Electrical Information on Items

  • Newtons Apple
  • · Replies 8 ·
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8

How to Calculate Angular Acceleration of Miniature Car Tires Using DC Motor?

  • hobbybuilder
  • · Replies 2 ·
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2

Building an electromagnet, would appreciate advice

  • VYP
  • · Replies 6 ·
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6

Electric Field Lines: Can Charges Move on Conductors?

  • nishant mudgal
  • · Replies 2 ·
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2

What to do with (relatively) old controller

  • TheQuietOne
  • · Replies 5 ·
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5

Active cell balancing with LTC3300-2

  • Reynald
  • · Replies 3 ·
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3

Why does AC have less copper loss than DC

  • Buggsy GC
  • · Replies 3 ·
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3

Alternatives to varistors as overload protection at DC motor

  • marellasunny
  • · Replies 5 ·
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5

Why doesn't direct current work in a transformer circuit?

  • Kuzey Cem
  • · Replies 14 ·
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14
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12

Dynamic model of non-linear system

  • srinaath
  • · Replies 1 ·
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1

CNT electrode CCTO dielectric supercapacitors?

  • Austin H
  • · Replies 1 ·
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1

Voltage and Reactive Power Relationship

  • OliskaP
  • · Replies 8 ·
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8

Why are reactive power and voltage related?

  • larsa
  • · Replies 10 ·
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10

Magnets and coils configuration for electricity generation

  • Hons K Wyn
  • · Replies 6 ·
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6

Quick question about inverter TX order wrt mains

  • tim9000
  • · Replies 30 ·
2
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30

How to see ON/OFF status by using SCT-013 via Raspberry Pi?

  • Coskun
  • · Replies 2 ·
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2

Neat windings vs sloppy windings for Solenoid Actuator?

  • Xyius
  • · Replies 4 ·
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4

Inverting a signal up to 100mV using op amps

  • Kosutusas
  • · Replies 6 ·
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6

Ring Main Unit Design in Electrical Panels

  • highvoltpower
  • · Replies 3 ·
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3

Confusion about circuit schematic notations

  • x86
  • · Replies 30 ·
2
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30

RF absorbing sheet materials? (5GHz)

  • berkeman
  • · Replies 6 ·
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6

Exceeding Limits: The 621 Million Transistor Chip

  • wolram
  • · Replies 8 ·
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8

Effect of placing twisted wire in a Stainless tube

  • Planobilly
  • · Replies 45 ·
2
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45

Homemade Reactive Archery Target

  • Liza Sarychev
  • · Replies 4 ·
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4

Jackson classical electrodynamics section 9-6

  • qnach
  • · Replies 2 ·
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2

What is role of Quad Ring Main Unit (QRM) in Substation?

  • tipu_sultan
  • · Replies 9 ·
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9

Is DC More Efficient for Long-Distance Train Power Transmission?

  • tim9000
  • · Replies 11 ·
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11

Snubber for a 3kVA 240V to 110V transformer

  • anagon
  • · Replies 19 ·
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19

Is the circuit breaker amperage the rms amperage

  • Puglife
  • · Replies 5 ·
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5

Capacitor charging above solar cell voltage?

  • CuriousAES
  • · Replies 15 ·
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15

Which direction for maximum signal on 3 antenna router?

  • member 534986
  • · Replies 7 ·
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7

Why electric devices do not draw more current than they need?

  • semistudent
  • · Replies 5 ·
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5
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3

What is the meaning of HVDC transmission line voltages?

  • AV8Electric
  • · Replies 2 ·
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2

Why permanent magnets are not used in Synchronous Motor?

  • Akmalidin
  • · Replies 6 ·
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6

How Can I Safely Power a DC Treadmill Motor from AC Mains?

  • Alex P
  • · Replies 1 ·
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1

Excess Energy Saving from a constant energy source.

  • A Chamas
  • · Replies 7 ·
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7

20 kOhms/V meter versus Digital meter in valve circuits

  • MalcolmB
  • · Replies 7 ·
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7

Why Is Transfer Function Defined for Linear Systems Only?

  • srinaath
  • · Replies 1 ·
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1

Electronic NOT gate chip question

  • tim9000
  • · Replies 28 ·
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28

Power Factor Correction: Metering & Inductance

  • brenfox
  • · Replies 2 ·
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2

Voltage divider not working for fan

  • davidwinth
  • · Replies 23 ·
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23

How do Hoop Mode Transducers Work?

  • nst.john
  • · Replies 5 ·
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5

Reducing servo motor jitter noise

  • kolleamm
  • · Replies 9 ·
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9

Analytic solution for these two antennas

  • qnach
  • · Replies 26 ·
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26

How do these both relate to one another? (Gain and dB's)

  • zanner
  • · Replies 5 ·
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5

Using instantaneous torque to determine energy

  • JohnMC2010
  • · Replies 5 ·
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5

Questions about vacuum tube data sheets

  • Planobilly
  • · Replies 5 ·
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5

Car battery -- charging questions

  • Akmalidin
  • · Replies 77 ·
3
Replies
77

I need a good data logging DMM -- 1.5kV Range

  • 13Nike
  • · Replies 7 ·
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7

Limiting Output Voltage of the Opamp to avoid saturation

  • Kakeh
  • · Replies 5 ·
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5

Rotor and negative sequence impedance of alternator

  • cnh1995
  • · Replies 7 ·
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7

Good beginner's resources for power factors and grids

  • kostoglotov
  • · Replies 1 ·
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1

Why is the Antenna Pattern Scaled Differently in This Diagram?

  • onsightly
  • · Replies 2 ·
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2

Why Are Waves So Long in Frequency and Wavelength?

  • Newtons Apple
  • · Replies 8 ·
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8

Maximum Theoretical Angular Accuracy of Planer arrays

  • senmeis
  • · Replies 3 ·
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3

Reference Pin on Differential Amplifier

  • teroenza
  • · Replies 3 ·
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3

Detecting fluorescence via CW or pulsed LEDs

  • Anton Alice
  • · Replies 3 ·
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3

What Topics Should I Study for Mastering Wireless Power Transfer?

  • Abd El Rahman
  • · Replies 3 ·
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3

Sub $100 Low minimum High Voltage DC probe (3kV minimum)?

  • 13Nike
  • · Replies 1 ·
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1

What is difference between Motorized Breaker & simple Breaker?

  • tipu_sultan
  • · Replies 4 ·
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4