Electrical Engineering Forum

Post thread
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...
Calculating Final Voltage in Capacitor Discharge: What Could be Wrong?
  • · Replies 12 ·
Replies
12
Views
2K
Where can I find active forums for advanced Digital Communications topics?
  • · Replies 2 ·
Replies
2
Views
1K
Help My Friend With His Final Year Design Project
  • · Replies 4 ·
Replies
4
Views
2K
High Power Circuit Breaker Operational Reliability Question
  • · Replies 19 ·
Replies
19
Views
2K
Current Density: Definition & Measurement
  • · Replies 2 ·
Replies
2
Views
2K
Question about surface area of faraday cage
  • · Replies 5 ·
Replies
5
Views
2K
Low RPM Generators: Is 1RPM Enough?
  • · Replies 23 ·
Replies
23
Views
5K
KWh to KVArh Conversion for Accurate Energy Cost Calculation
  • · Replies 13 ·
Replies
13
Views
21K
Does AC current pass through perfectly shielded box?
  • · Replies 10 ·
Replies
10
Views
3K
Abnormal low current from JK flip flop IC at toggle mode
  • · Replies 34 ·
2
Replies
34
Views
5K
Varied frequency power supply for strobe light
  • · Replies 2 ·
Replies
2
Views
2K
Relation between RPM and Electric output
  • · Replies 2 ·
Replies
2
Views
1K
LEDs, LED Drivers, Thermal Management
  • · Replies 6 ·
Replies
6
Views
2K
Need explanation on Laplace Transform and Fourier Transform
  • · Replies 6 ·
Replies
6
Views
2K
How Does a Microprocessor Use Digital Logic to Execute Commands?
  • · Replies 4 ·
Replies
4
Views
2K
Seat belt as a kill switch: need suggestions
  • · Replies 13 ·
Replies
13
Views
2K
What Are Key Reflection and Loss Concepts in Microwave Engineering?
  • · Replies 1 ·
Replies
1
Views
1K
What is Australian Grid Code for solar energy integration?
  • · Replies 1 ·
Replies
1
Views
2K
I am unsure of what these two symbols are.
  • · Replies 14 ·
Replies
14
Views
2K
Grounding of power line filter to Faraday cage chassis?
  • · Replies 11 ·
Replies
11
Views
4K
3x3 patch antenna trasmission line designing problems
  • · Replies 13 ·
Replies
13
Views
2K
My 27kJ capacitor bank seems to be only 27J. Need your help.
  • · Replies 8 ·
Replies
8
Views
2K
AC and polarity of hot and neutral wires
  • · Replies 18 ·
Replies
18
Views
7K
Using a 2 kV Power Supply Safely: Reducing Current & Bleeder Resistors
  • · Replies 3 ·
Replies
3
Views
1K
What causes unbalanced output in an inverter?
  • · Replies 1 ·
Replies
1
Views
2K
How can I control two outputs with a single PID-controller?
  • · Replies 8 ·
Replies
8
Views
8K
How Is the Efficiency of a Generator Calculated?
  • · Replies 3 ·
Replies
3
Views
2K
Why Does Zin Calculation Differ in Single Stub Matching?
  • · Replies 1 ·
Replies
1
Views
1K
Upgrading a 12V Alternator to Produce a higher output Volts
  • · Replies 26 ·
Replies
26
Views
8K
Impedance matching of transmission line to source impedance
  • · Replies 15 ·
Replies
15
Views
5K
Can reversing the polarity of a charged capacitor have dangerous consequences?
  • · Replies 5 ·
Replies
5
Views
2K
Very low voltage AC Mains supply damage TV
  • · Replies 6 ·
Replies
6
Views
5K
How to plot random source in GNU radio companion
  • · Replies 1 ·
Replies
1
Views
2K
How to calculate the minimum torque required for a motor?
  • · Replies 7 ·
Replies
7
Views
5K
28->24 volt regulator keeps blowing my 24->10 regulator
  • · Replies 19 ·
Replies
19
Views
2K
Finding out Kv motor velocity constant
  • · Replies 1 ·
Replies
1
Views
2K
360 Degree rotating mains plug socket?
  • · Replies 7 ·
Replies
7
Views
4K
What is the primary conductor size for a 3-phase 1000kVA transformer?
  • · Replies 9 ·
Replies
9
Views
5K
Capacitance of Transducers with a water-filled beaker
  • · Replies 14 ·
Replies
14
Views
2K
Understanding Torque & RPM: What You Need to Know
  • · Replies 2 ·
Replies
2
Views
1K
How Does IEEE Single Precision Format Store 7 Decimal Digits?
  • · Replies 3 ·
Replies
3
Views
2K
Motoring Effect in DC Motors: Magnetic Field Interaction or Lorentz Force?
  • · Replies 35 ·
2
Replies
35
Views
9K
Monte Carlo methods for solving Maxwell's equations?
  • · Replies 1 ·
Replies
1
Views
2K
How big is the new 50 MW, 300 MWh battery in Japan's solar installation?
  • · Replies 1 ·
Replies
1
Views
2K
Why s is substitute with jw in transfer function?
  • · Replies 5 ·
Replies
5
Views
34K
Electrolysis Wattage: A New Engine Concept Explored
  • · Replies 7 ·
Replies
7
Views
2K
I am looking for advice on replacing my radio adapter
  • · Replies 17 ·
Replies
17
Views
5K
Power Factor Correction: Capacitor Bank
  • · Replies 32 ·
2
Replies
32
Views
7K
CMOS Sensor with external reset control
  • · Replies 7 ·
Replies
7
Views
2K
Is There a Sensor to Detect Current Change and Turn on a Relay?
  • · Replies 4 ·
Replies
4
Views
2K
Does switch's Utilization Category AC-15 include a desktop?
  • · Replies 11 ·
Replies
11
Views
3K
How is a memristor different from a resistor
  • · Replies 4 ·
Replies
4
Views
1K
Filter shape from poles and zeros
  • · Replies 7 ·
Replies
7
Views
4K
Amplitude modulation and amplifier efficiency
  • · Replies 3 ·
Replies
3
Views
6K
How to Calculate Conductor Size for Different Types of Loads?
  • · Replies 2 ·
Replies
2
Views
2K
Is a 12V Tri-state Buffer Available for Programming PIC Microcontrollers?
  • · Replies 4 ·
Replies
4
Views
3K
Why does a radio still work inside a metal box?
  • · Replies 99 ·
4
Replies
99
Views
13K
Need a relation or equation....
  • · Replies 6 ·
Replies
6
Views
929
How to hook up a 12-24v system to a battery pack
  • · Replies 2 ·
Replies
2
Views
1K
Three-phase to single phase for home
  • · Replies 7 ·
Replies
7
Views
2K
Line current three phase motor in six step commutation
  • · Replies 1 ·
Replies
1
Views
2K
Complex forms of electrical laws
  • · Replies 12 ·
Replies
12
Views
2K
Do I Need Flyback Diodes for an L293D and 5V DC Motor Circuit?
  • · Replies 2 ·
Replies
2
Views
3K
What Is the RMS Current of a 10V Sine Wave Through a 5 Ohm Resistor?
  • · Replies 1 ·
Replies
1
Views
1K
Integrated Circuit vs Transistor/Resistor Circuit Explained
  • · Replies 1 ·
Replies
1
Views
1K
Not enough serial ports on Arduino Mega -- Options?
  • · Replies 7 ·
Replies
7
Views
3K
Influence of Motor Winding End Turns On Torque
  • · Replies 10 ·
Replies
10
Views
9K
Commercial transformers for variable frequency & voltage
  • · Replies 1 ·
Replies
1
Views
2K
Memristor is really fourth circuit element or not?
  • · Replies 2 ·
Replies
2
Views
1K
What Happens When a Transformer Core Reaches Saturation?
  • · Replies 22 ·
Replies
22
Views
5K
Charging a 12v battery permanently wired in a circuit
  • · Replies 10 ·
Replies
10
Views
3K
Electromagnetic Induction Project Help
  • · Replies 3 ·
Replies
3
Views
2K
Understanding the RCS of a Sphere: Deciphering Confusing Results
  • · Replies 1 ·
Replies
1
Views
2K
What Are the Key Disadvantages of D-Type Bistables Beyond Timing Issues?
  • · Replies 11 ·
Replies
11
Views
3K
NEC: Outlet Rating on 20A Breaker? Current Per Outlet?
  • · Replies 3 ·
Replies
3
Views
2K
Question about transformer reflected source
  • · Replies 4 ·
Replies
4
Views
2K
Understanding Voltage Regulation in Transformers
  • · Replies 9 ·
Replies
9
Views
2K
USB and Other Cheaper Oscilloscopes
  • · Replies 11 ·
Replies
11
Views
3K
Faraday Cage For Lightning Protection
  • · Replies 43 ·
2
Replies
43
Views
10K
No Control Over DC Motor Speed After Bearing Change - Help Needed
  • · Replies 4 ·
Replies
4
Views
2K
Calculating voltage of pm generator
  • · Replies 10 ·
Replies
10
Views
3K
Modifying a phone charger from 5V down to 3V&4V
  • · Replies 17 ·
Replies
17
Views
5K
Force Computer ATX Power Supply to turn on Without Motherboard
  • · Replies 10 ·
Replies
10
Views
6K
Regarding a bimorph's structure
  • · Replies 4 ·
Replies
4
Views
2K
Is Cloth-Covered Wire an Effective Insulator for High Voltage Experiments?
  • · Replies 22 ·
Replies
22
Views
4K
Audio amplified VSM (vibrating sample magnetometer) sample
  • · Replies 2 ·
Replies
2
Views
2K
Adaptive PID controller implementation
  • · Replies 5 ·
Replies
5
Views
3K
Understanding MMF in Transformer
  • · Replies 3 ·
Replies
3
Views
4K
What type of power cord can I use to fix a coffee maker?
  • · Replies 10 ·
Replies
10
Views
7K
Can I make a gate that will work with AC voltage?
  • · Replies 6 ·
Replies
6
Views
2K
How to measure and control the torque of a motor?
  • · Replies 5 ·
Replies
5
Views
2K
AC Current Source: Build an Op-Amp Circuit for µA RMS
  • · Replies 10 ·
Replies
10
Views
4K
[ANSYS] Simulation of Permanent Magnets
  • · Replies 1 ·
Replies
1
Views
7K
DC-AC converters, Solar inverters
  • · Replies 5 ·
Replies
5
Views
2K
Maximizing Current Output in Piezo Electric Footpaths
  • · Replies 7 ·
Replies
7
Views
2K
RF radiation out of closed steel container
  • · Replies 13 ·
Replies
13
Views
3K
More on the Tesla Batteries (for use by Utilities)
  • · Replies 1 ·
Replies
1
Views
1K
Single Phase Motor: Questions Answered
  • · Replies 3 ·
Replies
3
Views
2K
Low RPM, High Torque on dry cell batteries
  • · Replies 2 ·
Replies
2
Views
2K
Can I control the lighting of thousands of optical fibers?
  • · Replies 7 ·
Replies
7
Views
2K