Three phase power supply
2 Line to line voltage for a 3phase network (120deg separation) is sqrt (3)*phase voltage. So for a 230V 3ph network the line-line is 400V
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Voltage Flow Battery
What exactly is voltage?
The total voltage you get from one out and back, even with a high temperature difference is pretty small. By putting many of these out and back combinations together, you can get a useful voltage. A single
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How much voltage/current is "dangerous"?
Likewise, if the current and voltage are below a certain level, a person can--given enough time--safely absorb an arbitrarily large amount of electrical energy. Further, if voltage is sufficiently low, the
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How to reduce DC voltage using resistors?
How would one go about using a 12 V DC power source to power something which needs 4.5 V DC using resistors? Is there a way to determine how much adding a resistor would drop the
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How does an ideal op amp amplify a voltage input when the voltage
You only stated one of the two critical facts about an ideal op amp. The voltage difference between the inputs is zero, and the input currents are also zero. Therefore, you can apply Kirchhoff''s
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What is "forward" and "reverse" voltage when working with diodes?
The reverse voltage is the voltage drop across the diode if the voltage at the cathode is more positive than the voltage at the anode (if you connect + to the cathode). This is usually much
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How are current and voltage related to torque and speed of a
Voltage instead "regulates" how fast a motor can run: the maximum speed a motor can reach is the speed at which the motor generates a voltage (named "Counter-electromotive force")
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What, exactly, is voltage?
We say that voltage is like pressure, or like gravitational potential energy, because we''re trying to draw an analogy to something that you can see or feel (because you can drop a rock on
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How is it possible to have high voltage and low current? It seems to
7 One word: Resistance. Recall that Voltage is calculated by multiplying the current by the resistance. You can have a high potential difference (which is what voltage is), and a low current,
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How to calculate voltage drop over and power loss in wires
How do I calculate the voltage drop over wires given a supply voltage and a current? How do I anticipate on voltage drop so that the final load has the correct supply voltage? What will be the power
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