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authorEvgeny Zinoviev <me@ch1p.io>2023-06-10 23:02:34 +0300
committerEvgeny Zinoviev <me@ch1p.io>2023-06-10 23:02:34 +0300
commitb0bf43e6a272d42a55158e657bd937cb82fc3d8d (patch)
treef1bc13253bc028abcaed9c88882f5aee384a269c /py_include/homekit/database/inverter.py
parentf3b9d50496257d87757802dfb472b5ffae11962c (diff)
move files, rename home package to homekit
Diffstat (limited to 'py_include/homekit/database/inverter.py')
-rw-r--r--py_include/homekit/database/inverter.py212
1 files changed, 212 insertions, 0 deletions
diff --git a/py_include/homekit/database/inverter.py b/py_include/homekit/database/inverter.py
new file mode 100644
index 0000000..fc3f74f
--- /dev/null
+++ b/py_include/homekit/database/inverter.py
@@ -0,0 +1,212 @@
+from time import time
+from datetime import datetime, timedelta
+from typing import Optional
+from collections import namedtuple
+
+from .clickhouse import ClickhouseDatabase
+
+
+IntervalList = list[list[Optional[datetime]]]
+
+
+class InverterDatabase(ClickhouseDatabase):
+ def __init__(self):
+ super().__init__('solarmon')
+
+ def add_generation(self, home_id: int, client_time: int, watts: int) -> None:
+ self.db.execute(
+ 'INSERT INTO generation (ClientTime, ReceivedTime, HomeID, Watts) VALUES',
+ [[client_time, round(time()), home_id, watts]]
+ )
+
+ def add_status(self, home_id: int,
+ client_time: int,
+ grid_voltage: int,
+ grid_freq: int,
+ ac_output_voltage: int,
+ ac_output_freq: int,
+ ac_output_apparent_power: int,
+ ac_output_active_power: int,
+ output_load_percent: int,
+ battery_voltage: int,
+ battery_voltage_scc: int,
+ battery_voltage_scc2: int,
+ battery_discharge_current: int,
+ battery_charge_current: int,
+ battery_capacity: int,
+ inverter_heat_sink_temp: int,
+ mppt1_charger_temp: int,
+ mppt2_charger_temp: int,
+ pv1_input_power: int,
+ pv2_input_power: int,
+ pv1_input_voltage: int,
+ pv2_input_voltage: int,
+ mppt1_charger_status: int,
+ mppt2_charger_status: int,
+ battery_power_direction: int,
+ dc_ac_power_direction: int,
+ line_power_direction: int,
+ load_connected: int) -> None:
+ self.db.execute("""INSERT INTO status (
+ ClientTime,
+ ReceivedTime,
+ HomeID,
+ GridVoltage,
+ GridFrequency,
+ ACOutputVoltage,
+ ACOutputFrequency,
+ ACOutputApparentPower,
+ ACOutputActivePower,
+ OutputLoadPercent,
+ BatteryVoltage,
+ BatteryVoltageSCC,
+ BatteryVoltageSCC2,
+ BatteryDischargingCurrent,
+ BatteryChargingCurrent,
+ BatteryCapacity,
+ HeatSinkTemp,
+ MPPT1ChargerTemp,
+ MPPT2ChargerTemp,
+ PV1InputPower,
+ PV2InputPower,
+ PV1InputVoltage,
+ PV2InputVoltage,
+ MPPT1ChargerStatus,
+ MPPT2ChargerStatus,
+ BatteryPowerDirection,
+ DCACPowerDirection,
+ LinePowerDirection,
+ LoadConnected) VALUES""", [[
+ client_time,
+ round(time()),
+ home_id,
+ grid_voltage,
+ grid_freq,
+ ac_output_voltage,
+ ac_output_freq,
+ ac_output_apparent_power,
+ ac_output_active_power,
+ output_load_percent,
+ battery_voltage,
+ battery_voltage_scc,
+ battery_voltage_scc2,
+ battery_discharge_current,
+ battery_charge_current,
+ battery_capacity,
+ inverter_heat_sink_temp,
+ mppt1_charger_temp,
+ mppt2_charger_temp,
+ pv1_input_power,
+ pv2_input_power,
+ pv1_input_voltage,
+ pv2_input_voltage,
+ mppt1_charger_status,
+ mppt2_charger_status,
+ battery_power_direction,
+ dc_ac_power_direction,
+ line_power_direction,
+ load_connected
+ ]])
+
+ def get_consumed_energy(self, dt_from: datetime, dt_to: datetime) -> float:
+ rows = self.query('SELECT ClientTime, ACOutputActivePower FROM status'
+ ' WHERE ClientTime >= %(from)s AND ClientTime <= %(to)s'
+ ' ORDER BY ClientTime', {'from': dt_from, 'to': dt_to})
+ prev_time = None
+ prev_wh = 0
+
+ ws = 0 # watt-seconds
+ for t, wh in rows:
+ if prev_time is not None:
+ n = (t - prev_time).total_seconds()
+ ws += prev_wh * n
+
+ prev_time = t
+ prev_wh = wh
+
+ return ws / 3600 # convert to watt-hours
+
+ def get_intervals_by_condition(self,
+ dt_from: datetime,
+ dt_to: datetime,
+ cond_start: str,
+ cond_end: str) -> IntervalList:
+ rows = None
+ ranges = [[None, None]]
+
+ while rows is None or len(rows) > 0:
+ if ranges[len(ranges)-1][0] is None:
+ condition = cond_start
+ range_idx = 0
+ else:
+ condition = cond_end
+ range_idx = 1
+
+ rows = self.query('SELECT ClientTime FROM status '
+ f'WHERE ClientTime > %(from)s AND ClientTime <= %(to)s AND {condition}'
+ ' ORDER BY ClientTime LIMIT 1',
+ {'from': dt_from, 'to': dt_to})
+ if not rows:
+ break
+
+ row = rows[0]
+
+ ranges[len(ranges) - 1][range_idx] = row[0]
+ if range_idx == 1:
+ ranges.append([None, None])
+
+ dt_from = row[0]
+
+ if ranges[len(ranges)-1][0] is None:
+ ranges.pop()
+ elif ranges[len(ranges)-1][1] is None:
+ ranges[len(ranges)-1][1] = dt_to - timedelta(seconds=1)
+
+ return ranges
+
+ def get_grid_connected_intervals(self, dt_from: datetime, dt_to: datetime) -> IntervalList:
+ return self.get_intervals_by_condition(dt_from, dt_to, 'GridFrequency > 0', 'GridFrequency = 0')
+
+ def get_grid_used_intervals(self, dt_from: datetime, dt_to: datetime) -> IntervalList:
+ return self.get_intervals_by_condition(dt_from,
+ dt_to,
+ "LinePowerDirection = 'Input'",
+ "LinePowerDirection != 'Input'")
+
+ def get_grid_consumed_energy(self, dt_from: datetime, dt_to: datetime) -> float:
+ PrevData = namedtuple('PrevData', 'time, pd, bat_chg, bat_dis, wh')
+
+ ws = 0 # watt-seconds
+ amps = 0 # amper-seconds
+
+ intervals = self.get_grid_used_intervals(dt_from, dt_to)
+ for dt_start, dt_end in intervals:
+ fields = ', '.join([
+ 'ClientTime',
+ 'DCACPowerDirection',
+ 'BatteryChargingCurrent',
+ 'BatteryDischargingCurrent',
+ 'ACOutputActivePower'
+ ])
+ rows = self.query(f'SELECT {fields} FROM status'
+ ' WHERE ClientTime >= %(from)s AND ClientTime < %(to)s ORDER BY ClientTime',
+ {'from': dt_start, 'to': dt_end})
+
+ prev = PrevData(time=None, pd=None, bat_chg=None, bat_dis=None, wh=None)
+ for ct, pd, bat_chg, bat_dis, wh in rows:
+ if prev.time is not None:
+ n = (ct-prev.time).total_seconds()
+ ws += prev.wh * n
+
+ if pd == 'DC/AC':
+ amps -= prev.bat_dis * n
+ elif pd == 'AC/DC':
+ amps += prev.bat_chg * n
+
+ prev = PrevData(time=ct, pd=pd, bat_chg=bat_chg, bat_dis=bat_dis, wh=wh)
+
+ amps /= 3600
+ wh = ws / 3600
+ wh += amps*48
+
+ return wh