??? 09/27/09 10:00 Read: times |
#169193 - Extra device? Responding to: ???'s previous message |
Need and need.
If the processor measures the momentaneous values for current and voltage the phase can be computed. If we are talking about the mains power, then the frequency is quite low, so it is easy to run the ADC fast enough for the required precision. |
Topic | Author | Date |
Power Factor Meter using 8052 | 01/01/70 00:00 | |
The clue is in the names? | 01/01/70 00:00 | |
Phase | 01/01/70 00:00 | |
Is that true? | 01/01/70 00:00 | |
Extra device? | 01/01/70 00:00 | |
Extra device | 01/01/70 00:00 | |
Zero-crossing doesn't always work well | 01/01/70 00:00 | |
momentaneous ?! | 01/01/70 00:00 | |
You sure? | 01/01/70 00:00 | |
Definitions | 01/01/70 00:00 | |
But instantly or instantaneously is actually something else. | 01/01/70 00:00 | |
Common abuse | 01/01/70 00:00 | |
Like | 01/01/70 00:00 | |
Be fast | 01/01/70 00:00 | |
OED | 01/01/70 00:00 | |
Citation, please? | 01/01/70 00:00 | |
Ah but | 01/01/70 00:00 | |
I see what you mean, Steve | 01/01/70 00:00 | |
I wouldn't rely on the www for language and definitions | 01/01/70 00:00 |