Understanding AC Voltage: Alternating Current in Power Grid Network

Question

in this closed topic, the nomenclature variable is used for the voltage of the power grid - this is incorrect. There is alternating voltage in the network. Variable is different from variable in that it crosses zero, and the mean value of the current is also 0. There is voltage in the network...

rb401 · Answer

Ok. But every alternating voltage is also alternating voltage, because the term alternating voltage is a more general category and alternating voltage is its special case. So there is no error. View in Wikipedia.

nuszek · Answer

And when they measure the voltage in the network, I have 230 V, the second time I have 237 V, then 233 V, do I have alternating or variable voltage?

The term alternating voltage in our reality is deeply entrenched, and alternating voltage is just a special case of alternating voltage.

krzysiozak · Answer

You see, telephony uses an alternating voltage that produces a carbon microphone.
In the anti-local system of an old telephone from the times of the Polish People's Republic, a transformer is used, and here, a curiosity, in order for the speech signal to pass through the transformer, it changes from alternating voltage passing through the transformer to alternating voltage, although it is not a sine wave.
Anyway, the telephone line is powered by direct voltage, the speech signal is transmitted by alternating voltage, and the current that triggers the bell in the telephone is alternating.

Greetings.

CYRUS2 · Answer

Buddy, stop being overzealous. Electricians use slang. You see a problem with that. Do you know what earth potential means?

czyt · Answer

I see the enemies themselves almost: DD. To the substantive entry: yes, alternating, is a narrower definition of alternating current - technical forum. In order not to shred your tongue, it is worth knowing Forum users to use a strict term. The more so because it often occurs and is used incorrectly. Generalizing what new, more precise words are for, we can stay on the level of uhm, ekche and mmmcha as technical terms. Only who will understand and guess. Young people, the future generation of electricians and electronics learn HERE.

Anonymous · Answer

Why did a colleague set up this topic? - to complain / improve your well-being? The answers were exhaustive, but understanding them is already a colleague's problem and let it stay that way.

Understanding AC Voltage: Alternating Current in Power Grid Network

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