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Update Shelly3EM comments

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Theo Arends 2022-03-26 12:11:18 +01:00
parent d17cbdd6e6
commit 1108bc255c
1 changed files with 18 additions and 20 deletions
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38
tasmota/xnrg_23_ade7880.ino
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@ -490,27 +490,25 @@ void Ade7880Cycle(void) {
Energy.active_power[phase] = (float)Ade7880ReadVerify(ADE7880_AWATT + phase) / 100; // 0xE513 - 0xFFFFF524 = -27.79 W
Energy.apparent_power[phase] = (float)Ade7880ReadVerify(ADE7880_AVA + phase) / 100; // 0xE519 - 0xFFFFF50D
Energy.frequency[phase] = 256000.0f / Ade7880ReadVerify(ADE7880_APERIOD + phase); // 0xE905 - Page 34 and based on ADE7880_FREQ_INIT
int32_t active_energy = Ade7880ReadVerify(ADE7880_AWATTHR + phase); // 0xE400 - 0xFFFFFF8F = -0.112
if (active_energy != 0) {
// Suppose constant load during period of 100/120 periods as set by ADE7880_LINECYC disregards load change inbetween.
// ADE7880_AWATT = 6713 = 67,13 W
// 67,13 * 1000 / 36 = 1864 decaWh
// Energy.kWhtoday_delta[phase] += Energy.active_power[phase] * 1000 / 36;
// Suppose constant load during period of 100/120 periods as set by ADE7880_LINECYC disregards load change inbetween.
// ADE7880_AWATT = 6713 = 67,13 W
// 67,13 * 1000 / 36 = 1864 deca micro Wh (0.01864Wh)
// Energy.kWhtoday_delta[phase] += Energy.active_power[phase] * 1000 / 36;
// By measuring load 1024000 times/second load change in 100/120 periods can be accounted for.
// ADE7880_AWATT = 6713 = 67,13 W
// ADE7880_AWATTHR = 273
// AWATT multiplier is 16 (Figure 77)
// ADE7880_WTHR = 3 (default)
// Active power accumulation rate is 1.024MHz (Page 49)
// 1024000 * 16 * ADE7880_AWATT / ADE7880_WTHR * 0x8000000 = ADE7880_AWATTHR
// 1024000 * 16 * 6713 / 3 * 134217728 = 273
// 16384000 * 6713 / 402653184 = 273
// 273 * 402653184 / 16384000 = 6709 = 67,09W * 1000 / 36 = 1863 decaWh (Tasmota needs decaWh)
// 273 * 402653184 / 16384 = 6709248 = 67092,48W / 3600 = 1863 decaWh
// 273 * 24576 = 6709248 / 3600 = 1863 decaWh
Energy.kWhtoday_delta[phase] += active_energy * 24576 / 3600;
}
// By measuring load 1024000 times/second load change in 100/120 periods can be accounted for.
// ADE7880_AWATT = 6713 = 67,13 W
// ADE7880_AWATTHR = 273
// AWATT multiplier is 16 (Figure 77)
// ADE7880_WTHR = 3 (default)
// Active power accumulation rate is 1.024MHz (Page 49)
// 1024000 * 16 * ADE7880_AWATT / ADE7880_WTHR * 0x8000000 = ADE7880_AWATTHR
// 1024000 * 16 * 6713 / 3 * 134217728 = 273
// 16384000 * 6713 / 402653184 = 273
// 273 * 402653184 / 16384000 = 6709 = 67,09W * 1000 / 36 = 1863 deca micro Wh (Tasmota needs deca micro Wh)
// 273 * 402653184 / 16384 = 6709248 = 67092,48W / 3600 = 1863 deca micro Wh
// 273 * 24576 = 6709248 / 3600 = 1863 deca micro Wh
int32_t active_energy = Ade7880ReadVerify(ADE7880_AWATTHR + phase); // 0xE400 - 0xFFFFFF8F = -0.112
Energy.kWhtoday_delta[phase] += active_energy * 24576 / 3600; // Using int32_t allows loads up to 87kW (0x7FFFFFFF / 24576)
}
EnergyUpdateToday();