DC-DC Converter - Why is the input voltage called Vg?

Question

In the textbook I'm reading (Fundamentals of Power Electronics 2nd Ed, Erickson and Maksimovic), the input voltage for several different types of converter circuits is labeled Vg. The textbook gives no explanation for what the g refers to. Does anyone know?

I guarantee most of us have not read this particular text book. As, i'm sure you're aware, unit subscripts tend to be descriptive. E.G. Vgs tends to mean Voltage between Gate and Source. Seeing a typical schematic may help us decypher this with you. — pgvoorhees, Jun 15 '19 at 22:31
the author of the book probably knows, if you want us to guess post a few photos of the diagrams, — Jasen Слава Україні, Jun 15 '19 at 22:59
Yes, Vg for generator voltage was used long before FET's appeared. — Chu, Jun 16 '19 at 00:17
Sometimes you see a synonym of \$V_s\$ for a voltage source, instead of \$V_g\$ — glen_geek, Jun 16 '19 at 00:21

score 2 · Accepted Answer · edited Jun 11 '20 at 15:10

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Voltage generator, maybe? I used this text in school and they use the Vg nomenclature from the get-go. I don't think there's anything special about it.

On page 3, they introduced Vg for the first time:

So Vg is just the way they call the input voltage to the converters in the text.

edited Jun 11 '20 at 15:10

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answered Jun 15 '19 at 23:19

Big6

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DC-DC Converter - Why is the input voltage called Vg?

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