Typographical errors ficed, spelling of consumption

IainPHay 2018-05-13 22:08:43 +01:00
parent 56799b9915
commit 51e3e79332
1 changed files with 8 additions and 8 deletions

@ -11,19 +11,19 @@ If your Sonoff needs to do something continuously, this will be affected. E.g. S
- In general: All realtime related commands (like `TelePeriod`, `BlinkTime`, `PulseTime<x>` and so on) and all realtime related results (uptime, Sonoff Pow power calculation etcetera) are also affected by the `Sleep` command. You may need to adapt the time values for those command to get capable results. - In general: All realtime related commands (like `TelePeriod`, `BlinkTime`, `PulseTime<x>` and so on) and all realtime related results (uptime, Sonoff Pow power calculation etcetera) are also affected by the `Sleep` command. You may need to adapt the time values for those command to get capable results.
- as the WiFi Modem on an ESP8266 is the major consumer - using Sleep with WiFi AP mode enabled is more or less without effect. - as the WiFi Modem on an ESP8266 is the major consumer - using Sleep with WiFi AP mode enabled is more or less without effect.
## Sonoff power consumtion and measurement ## Sonoff power consumption and measurement
The result of the most low price plug-in home energy meters are very imprecise for power consumtion &lt; 10 W and become more and more imprecise for power consumtion like Sonoff devices have (&lt; 1.5 W); furthermore the results of such meters are depending very strong of the load type (capacitive/inductive) and is absolutly imprecise for non-ohmic load types having switch-mode power supply like Sonoff devices. The result of the most low price plug-in home energy meters are very imprecise for power consumption &lt; 10 W and become more and more imprecise for power consumption like Sonoff devices have (&lt; 1.5 W); furthermore the results of such meters are depending very strong of the load type (capacitive/inductive) and is absolutely imprecise for non-ohmic load types having switch-mode power supply like Sonoff devices.
Additonal to that, using Sleep - which periodicaly cycles the power of the Sonoff between 20% and 100% - the result of such meters are more or less useless. Additonal to that, using Sleep - which periodicaly cycles the power of the Sonoff between 20% and 100% - the result of such meters are more or less useless.
## Example of power consumtion ## Example of power consumption
### Absolute AC line measurement using calibrated meter ### Absolute AC line measurement using calibrated meter
The following measurement was done directly on 230 V/AC line using a [Sonoff Dual R2](http://sonoff.itead.cc/en/products/sonoff/sonoff-dual) and two different [Sonoff S20](http://sonoff.itead.cc/en/products/residential/s20-socket) connected on different MID calibrated meter (Eastron SMD630 MID/saia-burgess ALE3). The following measurement was done directly on 230 V/AC line using a [Sonoff Dual R2](http://sonoff.itead.cc/en/products/sonoff/sonoff-dual) and two different [Sonoff S20](http://sonoff.itead.cc/en/products/residential/s20-socket) connected on different MID calibrated meter (Eastron SMD630 MID/saia-burgess ALE3).
#### Sonoff power consumtion using Sleep #### Sonoff power consumption using Sleep
Device | Sleep 0 | Sleep 1 | Sleep 50 | Sleep 200 Device | Sleep 0 | Sleep 1 | Sleep 50 | Sleep 200
------------ | ------------ | ------------ | ------------- | ------------ ------------ | ------------ | ------------ | ------------- | ------------
Sonoff Dual R2 | 1.24 W | 0.84 W | 0.76 W | 0.68 W Sonoff Dual R2 | 1.24 W | 0.84 W | 0.76 W | 0.68 W
@ -37,16 +37,16 @@ All measurements were done with
- relays off - relays off
- measure period of 24-56 h to reduce measuring fault - measure period of 24-56 h to reduce measuring fault
The first impression is that a higher sleep value reduce the consumtion, but slightly. The second result is that using `Sleep <value>` (`value` &ne; 0, e. g. 1) is enough reducing the power consumtion at minimum 1/3 up to 45 % (value=200). The first impression is that a higher sleep value reduce the consumption, but slightly. The second result is that using `Sleep <value>` (`value` &ne; 0, e. g. 1) is enough reducing the power consumption at minimum 1/3 up to 45 % (value=200).
### Quantity measurement of ESP-12 module/ESP8266 3.3V line ### Quantity measurement of ESP-12 module/ESP8266 3.3V line
To find out why Sleep reduce the power consumtion and with which quantity, the 3.3 V DC current of ESP8266 of an ESP-12 module was measured using an oscilloscope and (for easy reading the oscilloscope diagram) a 1 &ohm; shunt which results in a 1:1 interpretation between voltage and current. To find out why Sleep reduce the power consumption and with which quantity, the 3.3 V DC current of ESP8266 of an ESP-12 module was measured using an oscilloscope and (for easy reading the oscilloscope diagram) a 1 &ohm; shunt which results in a 1:1 interpretation between voltage and current.
This measurement simplified the measure of a time based power consumtion; no integration must be done. On the other side note that the quantity measurement does not respect the effectiveness of the complete Sonoff circuit. This measurement simplified the measure of a time based power consumption; no integration must be done. On the other side note that the quantity measurement does not respect the effectiveness of the complete Sonoff circuit.
#### Sleep 0 #### Sleep 0
Using `Sleep 0` there are no `delay()` calls in Tasmota main loop and therefore the power consumtion is continuous at current ~80 mA: Using `Sleep 0` there are no `delay()` calls in Tasmota main loop and therefore the power consumption is continuous at current ~80 mA:
![sleep 0](https://user-images.githubusercontent.com/6636844/36341353-2c67b1e8-13ed-11e8-8e45-b75136704291.png) ![sleep 0](https://user-images.githubusercontent.com/6636844/36341353-2c67b1e8-13ed-11e8-8e45-b75136704291.png)
#### Sleep 1 #### Sleep 1