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Results tagged with power
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user 34751
Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt (one joule per second). Use this tag where power is a primary concern for the design under discussion. Use the "low-power" tag when that applies.
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Power consumption in simple example
Suppose that the declared power is a nominal voltage of 12V, and the series circuit is powered by a 12 V battery. … consumption is the nominal (100 W and 200 W), and this power corresponds to the calculated resistance values. …
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Calculate power consumption that varies every second
If \$P(t)=v(t)\cdot i(t)\$ is the power, then the energy is
\$
E(t) = \int P(t)\,dt = \int v(t)\cdot i(t)\,dt
\$
The method that you apply is an approximation to the exact energy calculation.It depends …
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1
vote
Accepted
How did I calculate the power for this source?
The voltage polarity of \$V_y\$ and direction of current \$I_y\$, indicating that the source is absorbing power. …
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0
votes
Accepted
Max Current Output
An improved adapter or a power supply, can implement a current limiter, wich senses the output current and reduces the output voltage to get a current reduction. …
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0
votes
1
answer
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Transfer function for six-pulse controlled rectifier
I need to determine the transfer function for a six-pulse bridge rectifier, implemented with thyristors.
More precisely, I need to determine the relationship between the output voltage (pulse) and …
- 3,044
3
votes
How to Power On Texas Instruments Tiva launchpad?
This means that you can select with the switch, the source of power supply, from emulation block or from the external USB. … Note
It is very important that the two GND pins are connected when using external power. …
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9
votes
Accepted
Automatically switching from 9V battery to DC wall adapter on insertion
The NC (normally closed) terminals (2 & 3 in the sheet) must connect the battery. When you plug in the adapter, this terminals opens. Try to determine on which pin (in addition to pin 1) the adapter c …
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