Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [tank]

50 questions
17
votes
3 answers

What operation could cause the inductor or the capacitor to explode?

In really early days of electronic school, the teacher used to say something about not unplug power too quickly at an inductor or capacitor and we were used to slowly turn the voltage generator from a signal generator down to zero. Something about…
Fraïssé
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2 answers

How does this oscillator work under a constant DC voltage?

Consider: How does the oscillator in this circuit work? A tank circuit can't oscillate when there is a constant DC voltage, am I wrong? I simulated the circuit in NI Multisim and couldn't observe any oscillation. But the circuit works pretty well…
Nemesis
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3
votes
2 answers

DIY water tank gauge using analogue ammeter

Our (old) boat has a fresh water tank whose level was reported by a now broken gauge. For cosmetic reasons I need to replace the broken gauge with a similar form factor (I do not wish to cut the panel about). So I cannot just buy any new tank…
Lance Kneeshaw
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3
votes
2 answers

Can a tank circuit store energy for a simple AC system?

If you take the circuit below, with the switch closed, assuming the Tank circuit is tuned to resonate at the same frequency as the source, then I would expect the tank to become charged, and the impedance to skyrocket, such that the AC power supply…
Jonathan R Swift
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2
votes
5 answers

Create electromagnetic waves using Lc tank circuit

Electromagnetic waves are produced by the motion of a dipole and suppose we have top and bottom points then the negative and positive charges must oscillate between those 2 points. However an LC oscillator does exactly the same thing if you…
Maddy Wells
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2
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0 answers

Ho can I light number of LEDs based on current flowing through circuit

I am trying to create a water tank level indicator which will have 2 wires going into tank one with resistors attached at increment levels and one simple wire. Is it possible to light up number of LEDs based on current flowing through circuit. Some…
gagan deep
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2
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2 answers

How to determine capacitor and inductor values for parallel tank circuit?

There is the formula \$\frac{1}{2 \pi\sqrt{LC}}\$, which can help find the value of the capacitor or the inductor if one of them is known. But if them both unknown and i would like to make a parallel tank circuit that will resonate, for example, at…
xchcui
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2
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2 answers

LC Oscillator, Tank Circuit

How does a tank circuit work with a dc power supply? I understand that if you charge a capacitor that's in parallel with an inductor and then remove the power supply then the capacitor and inductor will exchange energy back and fourth and then…
NanyBany96
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1 answer

What is the conductance of this LC tank?

So, I start with total conductance: $$ G_{TK} = \frac{1}{\frac{1}{j\omega C}+ 2R_C} + \frac{1}{j\omega L + R_L} $$ Then, when I take only the real part of this expression in order to know the conductance at the resonance frequency, I end up with…
Designalog
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2
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Theory behind the "Joule Ringer" circuit

The less-than-critical thinking free energy types are pointing to the "Super Joule Ringer" demonstrations online, where a quick touch with a 9 V battery illuminates an LED for hours. http://laserhacker.com/?p=406 I see an oscillating tank circuit,…
Greg Bell
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Voltage output from a tank circuit

I have the following tank circuit. Now at resonance of about 50.054 MHz, the output voltage should be same as input, as the tank circuit would have a high resistance. I have calculated the impedance of the tank circuit at the resonance frequency to…
Arjob Mukherjee
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1
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1 answer

A question regarding the resonant circuits

I am at the beginning of trying to understand resonant circuits, so after doing some research about the basic of resonant circuits , I noticed that there are diagrams appearing the basic working of a resonant circuit or LC circuit but there are a…
user270262
1
vote
0 answers

EC and pH sensor in plc automation

I am working with automation using pH and EC sensors. Both are of 4-20mA communication standard. When at a time single sensor is placed in liquid(in 1000 litre tank) then everything works fine (correct value is given). But when both sensors are…
Jashanjot Kaur
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Is this an elegant approach for a simple, debounced tank level controller?

I am interfacing some industrial (24v) process control equipment to some new projects in the embedded realm of electronics (3.3/5V small signal) and am coming up with some simple solutions for controlling a valve with an existing sensor. The level…
Big Owls
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1
vote
2 answers

In a points ignition system, should the condenser(capacitor) be attached to the coil terminal or to the breaker points

Is there any difference in the function of the circuit if the capacitor has a shorter wire path to the coil or to the points?
Jim
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