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MicroPlus.py
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MicroPlus.py
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#!/usr/bin/env python
# import normal packages
import platform
import logging
import sys
import os
import sys
if sys.version_info.major == 2:
import gobject
else:
from gi.repository import GLib as gobject
import sys
import configparser # for config/ini file
import dbus
from threading import Thread
# our own packages from victron
sys.path.insert(1, os.path.join(os.path.dirname(__file__), '/opt/victronenergy/dbus-systemcalc-py/ext/velib_python'))
from vedbus import VeDbusService
from settingsdevice import SettingsDevice
from dbusmonitor import DbusMonitor
#formatting
_kwh = lambda p, v: (str(round(v, 2)) + 'KWh')
_a = lambda p, v: (str(round(v, 1)) + 'A')
_w = lambda p, v: (str(round(v, 1)) + 'W')
_v = lambda p, v: (str(round(v, 1)) + 'V')
_hz = lambda p, v: (str(round(v, 1)) + 'Hz')
_pct = lambda p, v: (str(round(v, 1)) + '%')
_c = lambda p, v: (str(round(v, 1)) + '°C')
EXTINFO = 15
CONTROLLOOPRATE = 4
class SystemBus(dbus.bus.BusConnection):
def __new__(cls):
return dbus.bus.BusConnection.__new__(cls, dbus.bus.BusConnection.TYPE_SYSTEM)
class SessionBus(dbus.bus.BusConnection):
def __new__(cls):
return dbus.bus.BusConnection.__new__(cls, dbus.bus.BusConnection.TYPE_SESSION)
def dbusconnection():
return SessionBus() if 'DBUS_SESSION_BUS_ADDRESS' in os.environ else SystemBus()
def new_service(base, type, physical, logical, id, instance):
if instance == 0:
self = VeDbusService("{}.{}".format(base, type), dbusconnection())
else:
self = VeDbusService("{}.{}.{}_id{:02d}".format(base, type, physical, id), dbusconnection())
# physical is the physical connection
# logical is the logical connection to align with the numbering of the console display
# Create the management objects, as specified in the ccgx dbus-api document
self.add_path('/Mgmt/ProcessName', __file__)
self.add_path('/Mgmt/ProcessVersion', 'Unkown version, and running on Python ' + platform.python_version())
self.add_path('/Mgmt/Connection', logical)
# Create the mandatory objects, note these may need to be customised after object creation
self.add_path('/DeviceInstance', instance)
self.add_path('/ProductId', 0)
self.add_path('/ProductName', '')
self.add_path('/FirmwareVersion', 0)
self.add_path('/HardwareVersion', 0)
self.add_path('/Connected', 0) # Mark devices as disconnected until they are confirmed
self.add_path('/Serial', 0)
return self
################################################################################
# #
# D-Bus Inverter Devices #
# #
################################################################################
class DbusInverter:
def __init__(self,service,dbusmonitor):
self._service = service
self._dbusmonitor = dbusmonitor
self._energyOffset = None
def _getMaxPower(self):
if self._dbusmonitor.get_value(self._service,'/Enabled') == 1:
return self._dbusmonitor.get_value(self._service,'/Ac/MaxPower') or 0
return 0
def _getMinPower(self):
if self._dbusmonitor.get_value(self._service,'/Enabled') == 1:
return self._dbusmonitor.get_value(self._service,'/Ac/MinPower') or 0
return 0
def _getPowerLimit(self):
if self._dbusmonitor.get_value(self._service,'/Enabled') == 1:
return self._dbusmonitor.get_value(self._service,'/Ac/PowerLimit') or 0
return 0
def _setPowerLimit(self,newLimit):
self._dbusmonitor.set_value(self._service,'/Ac/PowerLimit',newLimit)
def _getActive(self):
if self._dbusmonitor.get_value(self._service,'/DisableFeedIn') == 0:
return True
return False
def _setActive(self,active):
if active == True:
self._dbusmonitor.set_value(self._service,'/DisableFeedIn',0)
else:
self._dbusmonitor.set_value(self._service,'/DisableFeedIn',1)
def _getEnergy(self):
energy = self._dbusmonitor.get_value(self._service,'/Ac/Energy/Forward') or 0
if self._energyOffset == None:
if energy > 0:
self._energyOffset = energy
return 0
else:
return energy - self._energyOffset
MaxPower = property(fget=_getMaxPower)
MinPower = property(fget=_getMinPower)
PowerLimit = property(fget=_getPowerLimit, fset=_setPowerLimit)
Active = property(fget=_getActive, fset=_setActive)
Energy = property(fget=_getEnergy)
DcVoltage = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Dc/Voltage') or 0)
DcCurrent = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Dc/Current') or 0)
DcPower = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Dc/Power') or 0)
Efficiency = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Ac/Efficiency') or 0)
AcPower = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Ac/Power') or 0)
Temperature = property(fget=lambda self: self._dbusmonitor.get_value(self._service,'/Temperature') or 0)
def AcPowerL(self,phase):
return self._dbusmonitor.get_value(self._service,f'/Ac/L{phase}/Power') or 0
def AcCurrentL(self,phase):
return self._dbusmonitor.get_value(self._service,f'/Ac/L{phase}/Current') or 0
def AcVoltageL(self,phase):
return self._dbusmonitor.get_value(self._service,f'/Ac/L{phase}/Voltage') or 0
def setPowerLimit(self,newLimit):
newLimit = int(min(newLimit, self.MaxPower))
newLimit = int(max(newLimit, self.MinPower))
self.PowerLimit = newLimit
return newLimit
################################################################################
# #
# Inverter Control #
# #
################################################################################
class MicroPlus:
def __init__(self):
self.settings = None
self._controlLoopCounter = 0
self._pvPowerHistory = [0] * 60
self._pvPowerAvg = [0] * 20
self._gridPower = 0
self._loadPower = 0
self._gridPowerFilter = 0
self._loadPowerHistory = [600] * 15
self._loadPowerMin = [600] * 40
self._powerLimitCounter = 10
self._limitChangeCounter = 0
self._limitChangeHistory = [0] * 60
self._dbus = dbusconnection()
self._powerMeterService = None
self._gridService = None
self._excessPower = 0
self._throttlingPower = 0
self._excessCounter = 0
self._devinst = 50
self._dbusservice = None
self._inverterDcShutdown = False
self._inverterDcShutdownCounter = 0
self._devices = []
self._initDbusMonitor()
self._gridService = self._dbusmonitor.get_value('com.victronenergy.system','/Ac/In/0/ServiceName')
self._initDeviceSettings()
self._refreshAcloads()
self._checkState()
# add _controlLoop function 'timer'
gobject.timeout_add(1000 / CONTROLLOOPRATE, self._controlLoop)
def _initDbusservice(self):
paths = {
'/AvailableAcLoads': {'initial': '', 'textformat': None},
'/StartLimit': {'initial': 0, 'textformat': None},
'/PvAvgPower': {'initial': 0, 'textformat': _w},
'/Info': {'initial': '', 'textformat': None},
'/Debug/Debug0': {'initial': None, 'textformat': None},
'/Debug/Debug1': {'initial': None, 'textformat': None},
'/Debug/Debug2': {'initial': None, 'textformat': None},
'/Debug/Debug3': {'initial': None, 'textformat': None},
'/Debug/ExcessPower': {'initial': 30, 'textformat': None},
'/Debug/ThrottlingPower': {'initial': 30, 'textformat': None},
'/Debug/LimitChange1min': {'initial': 0, 'textformat': None},
'/Debug/LimitChange10min': {'initial': 0, 'textformat': None},
'/Debug/LimitChange60min': {'initial': 0, 'textformat': None},
'/Ac/ActiveIn/L1/V': {'initial': 0, 'textformat': _v},
'/Ac/ActiveIn/L2/V': {'initial': 0, 'textformat': _v},
'/Ac/ActiveIn/L3/V': {'initial': 0, 'textformat': _v},
'/Ac/ActiveIn/L1/I': {'initial': 0, 'textformat': _a},
'/Ac/ActiveIn/L2/I': {'initial': 0, 'textformat': _a},
'/Ac/ActiveIn/L3/I': {'initial': 0, 'textformat': _a},
'/Ac/ActiveIn/L1/F': {'initial': 0, 'textformat': _hz},
'/Ac/ActiveIn/L2/F': {'initial': 0, 'textformat': _hz},
'/Ac/ActiveIn/L3/F': {'initial': 0, 'textformat': _hz},
'/Ac/ActiveIn/L1/P': {'initial': 0, 'textformat': _w},
'/Ac/ActiveIn/L2/P': {'initial': 0, 'textformat': _w},
'/Ac/ActiveIn/L3/P': {'initial': 0, 'textformat': _w},
'/Ac/Inverter/L1/P': {'initial': 0, 'textformat': _w},
'/Ac/Inverter/L2/P': {'initial': 0, 'textformat': _w},
'/Ac/Inverter/L3/P': {'initial': 0, 'textformat': _w},
'/Ac/Inverter/L1/I': {'initial': 0, 'textformat': _a},
'/Ac/Inverter/L2/I': {'initial': 0, 'textformat': _a},
'/Ac/Inverter/L3/I': {'initial': 0, 'textformat': _a},
'/Ac/ActiveIn/P': {'initial': 0, 'textformat': _w},
'/Ac/ActiveIn/Connected': {'initial': 0, 'textformat': None},
'/Ac/Out/L1/V': {'initial': 0, 'textformat': _v},
'/Ac/Out/L2/V': {'initial': 0, 'textformat': _v},
'/Ac/Out/L3/V': {'initial': 0, 'textformat': _v},
'/Ac/Out/L1/I': {'initial': 0, 'textformat': _a},
'/Ac/Out/L2/I': {'initial': 0, 'textformat': _a},
'/Ac/Out/L3/I': {'initial': 0, 'textformat': _a},
'/Ac/Out/L1/F': {'initial': 0, 'textformat': _hz},
'/Ac/Out/L2/F': {'initial': 0, 'textformat': _hz},
'/Ac/Out/L3/F': {'initial': 0, 'textformat': _hz},
'/Ac/Out/L1/P': {'initial': 0, 'textformat': _w},
'/Ac/Out/L2/P': {'initial': 0, 'textformat': _w},
'/Ac/Out/L3/P': {'initial': 0, 'textformat': _w},
'/Ac/ActiveIn/ActiveInput': {'initial': 0, 'textformat': None},
'/Ac/In/1/CurrentLimit': {'initial': 0, 'textformat': None},
'/Ac/In/1/CurrentLimitIsAdjustable': {'initial': 0, 'textformat': None},
'/Ac/In/2/CurrentLimit': {'initial': 0, 'textformat': None},
'/Ac/In/2/CurrentLimitIsAdjustable': {'initial': 0, 'textformat': None},
'/Settings/SystemSetup/AcInput1': {'initial': 1, 'textformat': None},
'/Settings/SystemSetup/AcInput2': {'initial': 0, 'textformat': None},
'/Ac/PowerMeasurementType': {'initial': 4, 'textformat': None},
'/Ac/State/IgnoreAcIn1': {'initial': 0, 'textformat': None},
'/Ac/State/IgnoreAcIn2': {'initial': 0, 'textformat': None},
'/Ac/Power': {'initial': 0, 'textformat': _w},
'/Ac/Efficiency': {'initial': 0, 'textformat': _pct},
'/Ac/PowerLimit': {'initial': 0, 'textformat': _w},
'/Ac/MaxPower': {'initial': 0, 'textformat': _w},
'/Ac/Energy/Forward': {'initial': None, 'textformat': _kwh},
'/Ac/NumberOfPhases': {'initial': 3, 'textformat': None},
'/Ac/NumberOfAcInputs': {'initial': 1, 'textformat': None},
'/Alarms/HighDcCurrent': {'initial': 0, 'textformat': None},
'/Alarms/HighDcVoltage': {'initial': 0, 'textformat': None},
'/Alarms/LowBattery': {'initial': 0, 'textformat': None},
'/Alarms/PhaseRotation': {'initial': 0, 'textformat': None},
'/Alarms/Ripple': {'initial': 0, 'textformat': None},
'/Alarms/TemperatureSensor': {'initial': 0, 'textformat': None},
'/Alarms/L1/HighTemperature': {'initial': 0, 'textformat': None},
'/Alarms/L1/LowBattery': {'initial': 0, 'textformat': None},
'/Alarms/L1/Overload': {'initial': 0, 'textformat': None},
'/Alarms/L1/Ripple': {'initial': 0, 'textformat': None},
'/Alarms/L2/HighTemperature': {'initial': 0, 'textformat': None},
'/Alarms/L2/LowBattery': {'initial': 0, 'textformat': None},
'/Alarms/L2/Overload': {'initial': 0, 'textformat': None},
'/Alarms/L2/Ripple': {'initial': 0, 'textformat': None},
'/Alarms/L3/HighTemperature': {'initial': 0, 'textformat': None},
'/Alarms/L3/LowBattery': {'initial': 0, 'textformat': None},
'/Alarms/L3/Overload': {'initial': 0, 'textformat': None},
'/Alarms/L3/Ripple': {'initial': 0, 'textformat': None},
'/Dc/0/Power': {'initial': 0, 'textformat': _w},
'/Dc/0/Current': {'initial': 0, 'textformat': _a},
'/Dc/0/Voltage': {'initial': 0, 'textformat': _v},
'/Dc/0/Temperature': {'initial': 0, 'textformat': None},
'/Mode': {'initial': 3, 'textformat': None},
'/ModeIsAdjustable': {'initial': 1, 'textformat': None},
'/VebusChargeState': {'initial': 0, 'textformat': None},
'/VebusSetChargeState': {'initial': 0, 'textformat': None},
'/Leds/Inverter': {'initial': 1, 'textformat': None},
'/Bms/AllowToCharge': {'initial': 0, 'textformat': None},
'/Bms/AllowToDischarge': {'initial': 0, 'textformat': None},
'/Bms/BmsExpected': {'initial': 0, 'textformat': None},
'/Bms/Error': {'initial': 0, 'textformat': None},
'/Soc': {'initial': 0, 'textformat': None},
'/State': {'initial': 0, 'textformat': None},
'/VebusError': {'initial': 0, 'textformat': None},
'/Temperature': {'initial': 0, 'textformat': _c},
'/Hub4/L1/AcPowerSetpoint': {'initial': 0, 'textformat': None},
'/Hub4/DisableCharge': {'initial': 0, 'textformat': None},
'/Hub4/DisableFeedIn': {'initial': 1, 'textformat': None},
'/Hub4/L2/AcPowerSetpoint': {'initial': 0, 'textformat': None},
'/Hub4/L3/AcPowerSetpoint': {'initial': 0, 'textformat': None},
'/Hub4/DoNotFeedInOvervoltage': {'initial': 0, 'textformat': None},
'/Hub4/L1/MaxFeedInPower': {'initial': 0, 'textformat': None},
'/Hub4/L2/MaxFeedInPower': {'initial': 0, 'textformat': None},
'/Hub4/L3/MaxFeedInPower': {'initial': 0, 'textformat': None},
'/Hub4/TargetPowerIsMaxFeedIn': {'initial': 0, 'textformat': None},
'/Hub4/FixSolarOffsetTo100mV': {'initial': 0, 'textformat': None},
'/Hub4/AssistantId': {'initial': 5, 'textformat': None},
'/PvInverter/Disable': {'initial': 0, 'textformat': None},
'/SystemReset': {'initial': 0, 'textformat': None},
'/Enabled': {'initial': 1, 'textformat': None},
'/Energy/AcIn1ToAcOut': {'initial': 0, 'textformat': _kwh},
'/Energy/AcIn1ToInverter': {'initial': 0, 'textformat': _kwh},
'/Energy/AcIn2ToAcOut': {'initial': 0, 'textformat': _kwh},
'/Energy/AcIn2ToInverter': {'initial': 0, 'textformat': _kwh},
'/Energy/AcOutToAcIn1': {'initial': 0, 'textformat': _kwh},
'/Energy/AcOutToAcIn2': {'initial': 0, 'textformat': _kwh},
'/Energy/InverterToAcIn1': {'initial': 0, 'textformat': _kwh},
'/Energy/InverterToAcIn2': {'initial': 0, 'textformat': _kwh},
'/Energy/InverterToAcOut': {'initial': 0, 'textformat': _kwh},
'/Energy/OutToInverter': {'initial': 0, 'textformat': _kwh},
}
# add path values to dbus
for path, settings in paths.items():
self._dbusservice.add_path(
path, settings['initial'], gettextcallback=settings['textformat'], writeable=True, onchangecallback=self._handleChangedValue)
self._dbusservice['/ProductId'] = 0xFFF1
self._dbusservice['/FirmwareVersion'] = 0x482
self._dbusservice['/ProductName'] = 'MicroPlus'
self._dbusservice['/Connected'] = 1
self._dbusservice['/Ac/MaxPower'] = self._availablePower()
def _handleChangedValue(self, path, value):
#logging.log(EXTINFO,"dbus_value_changed: %s %s" % (path, value,))
if path == '/Hub4/L1/AcPowerSetpoint' and self._powerLimitCounter >= self.settings['/InverterMinimumInterval'] * CONTROLLOOPRATE and self.settings['/LimitMode'] == 3:
logging.log(EXTINFO,"AcPowerSetpoint: %s" % (value * 3))
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(-value * 3, self._dbusservice['/Hub4/L1/MaxFeedInPower'] * 3)
if path == '/Hub4/L1/MaxFeedInPower' and self._powerLimitCounter >= self.settings['/InverterMinimumInterval'] * CONTROLLOOPRATE * 1.5 and self.settings['/LimitMode'] == 3:
logging.log(EXTINFO,"MaxFeedInPower: %s" % (value * 3))
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(-self._dbusservice['/Hub4/L1/AcPowerSetpoint'] * 3, value * 3)
if path == '/Hub4/DisableFeedIn':
logging.log(EXTINFO,"dbus_value_changed: %s %s" % (path, value,))
self._dbusservice['/Hub4/DisableFeedIn'] = value
self._checkState()
if path == '/Mode':
logging.log(EXTINFO,"dbus_value_changed: %s %s" % (path, value,))
self._dbusservice['/Mode'] = value
self._checkState()
if path == '/Ac/PowerLimit':
logging.log(EXTINFO,"dbus_value_changed: %s %s" % (path, value,))
if self.settings['/LimitMode'] == 4:
limit = self._setLimit(value, self._maxFeedInPower())
if limit == value:
return True
else:
self._dbusservice['/Ac/PowerLimit'] = limit
return False
else:
return False
return True
def _controlLoop(self):
if self._dbusservice == None:
return True
try:
self._controlLoopCounter +=1
self._powerLimitCounter +=1
self._updateVebusTotal()
self._getSystemPower()
self._calcLimit()
# 5s interval
if self._everySeconds(5):
self._infoTopic()
self._calcFeedInExcess()
# 5min interval
if self._everySeconds(300):
self._controlLoopCounter = 0
self._checkState()
if self._excessPower > 0 and self.settings['/LimitMode'] == 3 and self._powerLimitCounter >= self.settings['/InverterMinimumInterval'] * 4:
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(-self._dbusservice['/Hub4/L1/AcPowerSetpoint'] * 3, self._dbusservice['/Hub4/L1/MaxFeedInPower'] * 3)
if self._inverterDcShutdown == True:
if self._dbusservice['/Dc/0/Voltage'] >= self.settings['/InverterDcRestartVoltage']:
if self._inverterDcShutdownCounter >= 10 * CONTROLLOOPRATE :
self._inverterDcShutdown = False
self._checkState()
else:
self._inverterDcShutdownCounter += 1
else:
self._inverterDcShutdownCounter = 0
else:
if self._dbusservice['/Dc/0/Voltage'] <= self.settings['/InverterDcShutdownVoltage']:
if self._inverterDcShutdownCounter <= 0:
self._inverterDcShutdown = True
self._checkState()
else:
self._inverterDcShutdownCounter -= 1
else:
self._inverterDcShutdownCounter = 10 * CONTROLLOOPRATE
self._debugOut(2, "%.*f" %(2,self._powerLimitCounter / CONTROLLOOPRATE))
self._debugOut(3, "%.*f" %(0,self._limitChangeCounter))
except Exception as e:
logging.exception('Error at %s', '_inverterLoop', exc_info=e)
return True
def _initDbusMonitor(self):
dummy = {'code': None, 'whenToLog': 'configChange', 'accessLevel': None}
dbus_tree = {
'com.victronenergy.settings': { # Not our settings
'/Settings/CGwacs/BatteryLife/State': dummy,
'/Settings/CGwacs/OvervoltageFeedIn': dummy,
'/Settings/CGwacs/MaxFeedInPower': dummy,
'/Settings/CGwacs/AcPowerSetPoint' : dummy,
'/Settings/CGwacs/Hub4Mode' : dummy,
'/Settings/System/TimeZone' : dummy,
},
'com.victronenergy.system': {
'/Dc/Battery/Soc': dummy,
'/Dc/Battery/Power': dummy,
'/Dc/Pv/Power': dummy,
'/Ac/Consumption/L1/Power': dummy,
'/Ac/Consumption/L2/Power': dummy,
'/Ac/Consumption/L3/Power': dummy,
'/Ac/Grid/L1/Power': dummy,
'/Ac/Grid/L2/Power': dummy,
'/Ac/Grid/L3/Power': dummy,
'/Ac/PvOnGrid/L1/Power': dummy,
'/Ac/PvOnGrid/L2/Power': dummy,
'/Ac/PvOnGrid/L3/Power': dummy,
'/Ac/In/0/ServiceName': dummy,
'/VebusService': dummy,
},
'com.victronenergy.hub4': {
'/PvPowerLimiterActive': dummy,
'/MaxDischargePower': dummy,
},
'com.victronenergy.acload': {
'/Ac/Power': dummy,
'/Ac/PowerLimit': dummy,
'/Ac/MaxPower': dummy,
'/Ac/MinPower': dummy,
'/Ac/Efficiency': dummy,
'/Ac/Energy/Forward': dummy,
'/Ac/L1/Power': dummy,
'/Ac/L2/Power': dummy,
'/Ac/L3/Power': dummy,
'/Ac/L1/Current': dummy,
'/Ac/L2/Current': dummy,
'/Ac/L3/Current': dummy,
'/Ac/L1/Voltage': dummy,
'/Ac/L2/Voltage': dummy,
'/Ac/L3/Voltage': dummy,
'/Dc/Power': dummy,
'/Dc/Current': dummy,
'/Dc/Voltage': dummy,
'/Temperature': dummy,
'/CustomName': dummy,
'/ProductName': dummy,
'/DeviceInstance': dummy,
'/Connected': dummy,
'/Enabled': dummy,
'/DisableFeedIn': dummy,
},
'com.victronenergy.grid': {
'/Ac/L1/Power': dummy,
'/Ac/L2/Power': dummy,
'/Ac/L3/Power': dummy,
},
'com.victronenergy.solarcharger': {
'/MppOperationMode': dummy,
},
}
self._dbusmonitor = DbusMonitor(dbus_tree, valueChangedCallback=self._dbusValueChanged, deviceAddedCallback= self._dbusDeviceAdded, deviceRemovedCallback=self._dbusDeviceRemoved)
def _dbusValueChanged(self,dbusServiceName, dbusPath, options, changes, deviceInstance):
if dbusPath in {'/Dc/Battery/Soc','/Settings/CGwacs/BatteryLife/State','/Hub','/PvPowerLimiterActive'}:
logging.log(EXTINFO,"dbus_value_changed: %s %s %s" % (dbusServiceName, dbusPath, changes['Value']))
if dbusPath in {'/Settings/CGwacs/BatteryLife/State','/Dc/Battery/Soc'}:
self._checkState()
elif dbusPath == '/Connected':
self._refreshAcloads()
elif dbusPath == '/Settings/CGwacs/OvervoltageFeedIn':
if changes['Value'] == 0:
self._excessPower = 0
elif self._dbusservice == None:
return
elif dbusPath == '/Enabled':
self._dbusservice['/Ac/MaxPower'] = self._availablePower()
self._devices.sort(reverse=True, key=lambda x: x.MaxPower)
self._checkState()
elif dbusPath == '/Ac/MaxPower':
self._dbusservice['/Ac/MaxPower'] = self._availablePower()
elif dbusPath == '/MaxDischargePower':
if (self._actualLimit() > changes['Value']) and (self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/Hub4Mode') != 3):
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(changes['Value'], self._maxFeedInPower())
elif dbusPath == '/Ac/In/0/ServiceName':
self._gridService = changes['Value']
logging.info("dbus_value_changed: %s %s %s" % (dbusServiceName, dbusPath, changes['Value']))
return
def _dbusDeviceAdded(self,dbusservicename, instance):
logging.info("dbus device added: %s %s " % (dbusservicename, instance))
self._refreshAcloads()
return
def _dbusDeviceRemoved(self,dbusservicename, instance):
logging.info("dbus device removed: %s %s " % (dbusservicename, instance))
self._refreshAcloads()
return
def _initDeviceSettings(self):
if self.settings:
return
path = '/Settings/Devices/mPlus_0'
def_inst = '%s:%s' % ('vebus', self._devinst)
SETTINGS = {
'/ClassAndVrmInstance': [path + '/ClassAndVrmInstance', def_inst, 0, 0],
'/StartLimit': [path + '/StartLimit', 0, 0, 1],
'/StartLimitMin': [path + '/StartLimitMin', 50, 50, 500],
'/StartLimitMax': [path + '/StartLimitMax', 500, 100, 2000],
'/LimitMode': [path + '/LimitMode', 3, 0, 4],
'/PowerMeterInstance': [path + '/PowerMeterInstance', 0, 0, 0],
'/GridTargetFastDeviation': [path + '/GridTargetFastDeviation', 20, 5, 100],
'/GridTargetFastInterval': [path + '/GridTargetFastInterval', 2.5, 1.0, 60.0],
'/GridTargetSlowInterval': [path + '/GridTargetSlowInterval', 7.5, 2.0, 60.0],
'/BaseLoadPeriod': [path + '/BaseLoadPeriod', 0.5, 0.5, 10],
'/InverterMinimumInterval': [path + '/InverterMinimumInterval', 5.0, 1, 15],
'/InverterDcShutdownVoltage': [path + '/InverterDcShutdownVoltage', 46.0, 16.0, 59.9],
'/InverterDcRestartVoltage': [path + '/InverterDcRestartVoltage', 46.5, 16.1, 60],
'/Settings/SystemSetup/AcInput1': ['/Settings/SystemSetup/AcInput1', 1, 0, 1],
'/Settings/SystemSetup/AcInput2': ['/Settings/SystemSetup/AcInput2', 0, 0, 1],
'/AdvancedSettings': [path + '/AdvancedSettings', 1, 0, 1],
'/GridFilterWidth': [path + '/GridFilterWidth', 50, 0, 200],
'/GridFilterFadeOut': [path + '/GridFilterFadeOut', 50, 0, 100],
'/GridFilterWeight': [path + '/GridFilterWeight', 20, 1, 100],
'/GridFilterWeightMax': [path + '/GridFilterWeightMax', 90, 1, 100],
'/DebugOutput': [path + '/DebugOutput', 0, 0, 1],
}
self.settings = SettingsDevice(self._dbus, SETTINGS, self._settingChanged)
role, self._devinst = self.get_role_instance()
def _settingChanged(self, setting, oldvalue, newvalue):
logging.info("setting changed, setting: %s, old: %s, new: %s" % (setting, oldvalue, newvalue))
if setting == '/PowerMeterInstance':
self._refreshAcloads()
elif setting == '/StartLimit' or setting == '/StartLimitMax':
self._checkStartLimit()
elif setting == '/InverterDcRestartVoltage':
if self.settings['/InverterDcShutdownVoltage'] >= newvalue:
self.settings['/InverterDcShutdownVoltage'] = newvalue - 0.1
elif setting == '/InverterDcShutdownVoltage':
if self.settings['/InverterDcRestartVoltage'] <= newvalue:
self.settings['/InverterDcRestartVoltage'] = newvalue + 0.1
elif setting == '/DebugOutput' and newvalue == 0:
for i in range(0,4):
self._dbusservice[f'/Debug/Debug{i}'] = None
def get_role_instance(self):
val = self.settings['/ClassAndVrmInstance'].split(':')
return val[0], int(val[1])
def _updateVebusTotal(self):
inverterTotalPower = [0] * 3
inverterTotalCurrent = [0] * 3
inverterAcVoltage = [0] * 3
inverterTotalPowerDC = 0
inverterTotalCurrentDC = 0
inverterTotalEnergy = 0
voltageDC = 0
efficiency = 0
efficiencyP = 0
temperature = 0
if len(self._devices) == 0:
voltageDC = 0
else:
voltageDC = self._devices[0].DcVoltage
if self._powerMeterService != None:
self._dbusservice['/Ac/Power'] = self._dbusmonitor.get_value(self._powerMeterService,'/Ac/Power') or 0
for i in range(0,3):
inverterTotalPower[i] = self._dbusmonitor.get_value(self._powerMeterService,f'/Ac/L{i+1}/Power') or 0
inverterTotalCurrent[i] = self._dbusmonitor.get_value(self._powerMeterService,f'/Ac/L{i+1}/Current') or 0
inverterAcVoltage[i] = max(inverterAcVoltage[i],self._dbusmonitor.get_value(self._powerMeterService,f'/Ac/L{i+1}/Voltage') or 0)
inverterTotalPowerDC = self._dbusservice['/Ac/Power'] / self._efficiency()
inverterTotalCurrentDC = 0 if voltageDC == 0 else (inverterTotalPowerDC / voltageDC) * -1
for device in self._devices:
inverterTotalEnergy += device.Energy
else:
for device in self._devices:
inverterTotalPowerDC += device.DcPower
inverterTotalCurrentDC += device.DcCurrent
inverterTotalEnergy += device.Energy
for i in range(0,3):
inverterTotalPower[i] += device.AcPowerL(i+1)
inverterTotalCurrent[i] += device.AcCurrentL(i+1)
inverterAcVoltage[i] = max(inverterAcVoltage[i],device.AcVoltageL(i+1))
self._dbusservice['/Ac/Power'] = sum(inverterTotalPower)
for i in range(0,3):
self._dbusservice[f'/Ac/ActiveIn/L{i+1}/P'] = 0 - inverterTotalPower[i]
self._dbusservice[f'/Ac/ActiveIn/L{i+1}/I'] = 0 - inverterTotalCurrent[i]
self._dbusservice[f'/Ac/ActiveIn/L{i+1}/V'] = inverterAcVoltage[i]
self._dbusservice['/Ac/ActiveIn/P'] = 0 - self._dbusservice['/Ac/Power']
self._dbusservice['/Dc/0/Power'] = inverterTotalPowerDC
self._dbusservice['/Dc/0/Current'] = inverterTotalCurrentDC
self._dbusservice['/Dc/0/Voltage'] = voltageDC
# 5s interval
if self._everySeconds(5):
if self._powerMeterService != None:
for device in self._devices:
inverterTotalEnergy += device.Energy
else:
inverterTotalEnergy += device.Energy
self._dbusservice['/Energy/InverterToAcIn1'] = inverterTotalEnergy
for device in self._devices:
eff = device.Efficiency
effP = device.AcPower
if eff > 0:
efficiency += effP / eff
efficiencyP += effP
temperature = max(temperature, device.Temperature)
self._dbusservice['/Temperature'] = temperature
self._dbusservice['/Ac/Efficiency'] = 0 if efficiency == 0 else efficiencyP / efficiency
def _getSystemPower(self):
if self._gridService != None:
L1 = (self._dbusmonitor.get_value(self._gridService,'/Ac/L1/Power') or 0)
L2 = (self._dbusmonitor.get_value(self._gridService,'/Ac/L2/Power') or 0)
L3 = (self._dbusmonitor.get_value(self._gridService,'/Ac/L3/Power') or 0)
else:
L1 = (self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Grid/L1/Power') or 0)
L2 = (self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Grid/L2/Power') or 0)
L3 = (self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Grid/L3/Power') or 0)
self._gridPower = L1 + L2 + L3
self._gridPowerFilter = self._gridFilter()
self._debugOut(1, round(self._gridPowerFilter,0))
#1s interval
if self._everySeconds(1):
self._loadPower = (self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Consumption/L1/Power') or 0) + \
(self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Consumption/L2/Power') or 0) + \
(self._dbusmonitor.get_value('com.victronenergy.system','/Ac/Consumption/L3/Power') or 0)
self._loadPowerHistory.pop(len(self._loadPowerHistory)-1)
self._loadPowerHistory.insert(0,self._loadPower)
self._pvPowerHistory.pop(len(self._pvPowerHistory)-1)
self._pvPowerHistory.insert(0,self._dbusmonitor.get_value('com.victronenergy.system','/Dc/Pv/Power') or 0)
# 15s interval
if self._everySeconds(15):
self._loadPowerMin.pop(len(self._loadPowerMin)-1)
self._loadPowerMin.insert(0,min(self._loadPowerHistory))
# 60s interval
if self._everySeconds(60):
self._pvPowerAvg.pop(len(self._pvPowerAvg)-1)
self._pvPowerAvg.insert(0,int(sum(self._pvPowerHistory) / len(self._pvPowerHistory)))
self._dbusservice['/PvAvgPower'] = int(sum(self._pvPowerAvg) / len(self._pvPowerAvg))
def _gridFilter(self):
if self.settings['/GridFilterWidth'] == 0:
return self._gridPower
dif = abs(self._gridPower - self._gridPowerFilter)
if self.settings['/GridFilterFadeOut'] == 0:
if dif < self.settings['/GridFilterWidth']:
weightNew = 0
else:
weightNew = 1
else:
weightMin = self.settings['/GridFilterWeight'] / 100
weightMax = self.settings['/GridFilterWeightMax'] / 100
fadeWidth = self.settings['/GridFilterWidth'] * (self.settings['/GridFilterFadeOut'] / 100)
fadeStart = self.settings['/GridFilterWidth'] - fadeWidth
fadeDelta = (weightMax - weightMin) / fadeWidth
weightNew = (dif - fadeStart) * fadeDelta + weightMin
weightNew = min(max(weightNew,weightMin),weightMax)
weightPrev = 1 - weightNew
retVal = self._gridPowerFilter * weightPrev + self._gridPower * weightNew
return retVal
def _calcLimit(self):
if self._dbusservice['/State'] != 0:
newTarget = 0
# 1min interval
if self._everySeconds(60):
self._checkStartLimit()
self._limitChangeHistory.pop(len(self._limitChangeHistory)-1)
self._limitChangeHistory.insert(0,self._limitChangeCounter)
self._dbusservice['/Debug/LimitChange1min'] = self._limitChangeCounter
self._dbusservice['/Debug/LimitChange10min'] = sum(self._limitChangeHistory[0:10])
self._dbusservice['/Debug/LimitChange60min'] = sum(self._limitChangeHistory)
self._limitChangeCounter = 0
# Maximum power
if self.settings['/LimitMode'] == 0:
# 30s interval
if self._everySeconds(30):
newTarget = 0
for device in self._devices:
newTarget += device.MaxPower
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(newTarget, self._maxFeedInPower())
# Grid target limit mode
if self.settings['/LimitMode'] == 1:
if self._powerLimitCounter >= self.settings['/GridTargetFastInterval'] * CONTROLLOOPRATE:
gridSetpoint = self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/AcPowerSetPoint')
deviation = self._gridPowerFilter - gridSetpoint
if (abs(deviation) > self.settings['/GridTargetFastDeviation'] and self._excessPower == 0) \
or deviation > self.settings['/GridTargetFastDeviation'] \
or (self._powerLimitCounter >= self.settings['/GridTargetSlowInterval'] * CONTROLLOOPRATE and self._excessPower > 0) \
or (self._powerLimitCounter >= self.settings['/GridTargetSlowInterval'] * CONTROLLOOPRATE and abs(deviation) > 5) \
or self._powerLimitCounter >= self.settings['/GridTargetSlowInterval'] * CONTROLLOOPRATE * 2:
newTarget = self._dbusservice['/Ac/Power'] + round(self._gridPowerFilter,0) - gridSetpoint
newTarget = min(newTarget, self._dbusservice['/Ac/MaxPower'])
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(newTarget, self._maxFeedInPower())
# Base load limit mode
if self.settings['/LimitMode'] == 2:
if (self._gridPower < 0 or self._excessPower > self._actualLimit()) and self._powerLimitCounter >= self.settings['/InverterMinimumInterval'] * CONTROLLOOPRATE:
newTarget = self._actualLimit() + self._gridPower - 10
logging.log(EXTINFO,"set limit1: %s" % (newTarget))
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(newTarget, self._maxFeedInPower())
# 15s interval
if self._everySeconds(15):
newTarget = min(self._loadPowerMin[0:int(self.settings['/BaseLoadPeriod'] * 4)]) - 10
pvOnGrid = (self._dbusmonitor.get_value('com.victronenergy.system','/Ac/PvOnGrid/L1/Power') or 0) + \
(self._dbusmonitor.get_value('com.victronenergy.system','/Ac/PvOnGrid/L2/Power') or 0) + \
(self._dbusmonitor.get_value('com.victronenergy.system','/Ac/PvOnGrid/L3/Power') or 0)
newTarget = newTarget - pvOnGrid
if newTarget > self._actualLimit():
logging.log(EXTINFO,"set limit2: %s" % (newTarget))
self._dbusservice['/Ac/PowerLimit'] = self._setLimit(newTarget, self._maxFeedInPower())
def _calcFeedInExcess(self):
# Feed in excess
if (self._dbusmonitor.get_value('com.victronenergy.system','/Dc/Battery/Soc') or 0) < 85:
self._excessPower = 0
self._throttlingPower = 0
self._dbusservice['/Debug/ThrottlingPower'] = self._throttlingPower
self._dbusservice['/Debug/ExcessPower'] = self._excessPower
return
deltaPmax = 25
deltaPmin = 4
deltaExp = 3
stepsMax = 30
pvPowerAvg = sum(self._pvPowerHistory[0:5]) / 5
excessMax = (pvPowerAvg - max(self._dbusmonitor.get_value('com.victronenergy.system','/Dc/Battery/Power') or 0, 0)) * 1.1 * self._efficiency()
if self._MpptIsThrottling() == True:
if self._excessCounter < 0:
self._excessCounter = 0
else:
self._excessCounter = min(self._excessCounter+1,stepsMax)
if self._throttlingPower == 0:
self._throttlingPower = self._dbusservice['/Ac/Power']
self._throttlingPower = min(self._throttlingPower, self._availablePower() / self._efficiency(), excessMax)
self._throttlingPower = max(self._throttlingPower, 50)
self._excessCounter = 0
self._checkState()
else:
if self._throttlingPower < excessMax:
excessDelta = deltaPmin + int(self._excessCounter**deltaExp * ((deltaPmax-deltaPmin) / (stepsMax**deltaExp + deltaPmin)))
self._throttlingPower = min(self._throttlingPower + excessDelta, self._availablePower() / self._efficiency(), excessMax)
else:
if self._excessCounter > 0:
self._excessCounter = 0
else:
self._excessCounter = max(self._excessCounter-1,-stepsMax)
if self._throttlingPower > 0:
if self._throttlingPower > excessMax:
self._throttlingPower = excessMax
elif self._throttlingPower > self._dbusservice['/Ac/Power'] * 0.9 or (self._dbusmonitor.get_value('com.victronenergy.system','/Dc/Battery/Soc') or 0) < 100:
excessDelta = deltaPmin + int(abs(self._excessCounter)**deltaExp * ((deltaPmax-deltaPmin) / (stepsMax**deltaExp + deltaPmin)))
self._throttlingPower = max(self._throttlingPower - excessDelta, 0)
else:
self._excessCounter = min(self._excessCounter+1,0)
if self._throttlingPower == 0:
self._checkState()
if self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/OvervoltageFeedIn') == 1:
self._excessPower = self._throttlingPower * self._efficiency()
if self._excessPower < 50:
self._excessPower = 0
else:
self._excessPower = 0
self._dbusservice['/Debug/ThrottlingPower'] = self._throttlingPower
self._dbusservice['/Debug/ExcessPower'] = self._excessPower
def _checkState(self):
if self._dbusservice== None:
return
disableFeedIn = self._disableFeedIn()
if disableFeedIn == 0 and self._dbusservice['/State'] == 0:
if self.settings['/StartLimit'] == 1 and self._dbusservice['/PvAvgPower'] > 10:
self._dbusservice['/StartLimit'] = self.settings['/StartLimitMin']
self._checkStartLimit()
else:
for device in self._devices:
device.PowerLimit = 1
device.Active = True
self._dbusservice['/State'] = 9
logging.log(EXTINFO,"Inverter start (%s) %s V" % (disableFeedIn, self._dbusservice['/Dc/0/Voltage']))
if self.settings['/LimitMode'] == 4:
self._setLimit(self._dbusservice['/Ac/PowerLimit'], self._maxFeedInPower())
elif disableFeedIn != 0 and self._dbusservice['/State'] != 0:
logging.log(EXTINFO,"Inverter shutdown (%s) %s V" % (disableFeedIn, self._dbusservice['/Dc/0/Voltage']))
for device in self._devices:
device.Active = False
self._dbusservice['/StartLimit'] = 0
self._dbusservice['/State'] = 0
elif disableFeedIn == True:
for device in self._devices:
device.Active = False
def _checkStartLimit(self):
if self._dbusservice['/StartLimit'] == 0:
return False
newLimit = max(self.settings['/StartLimitMin'], int(self._dbusservice['/PvAvgPower'] * 0.95))
# Check end of StartLimit mode
if newLimit >= self.settings['/StartLimitMax'] or self.settings['/StartLimit'] == 0 \
or self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/BatteryLife/State') == 9:
# Activate all inverter
for device in self._devices:
if device.Active == False:
device.PowerLimit = 1
device.Active = True
self._dbusservice['/StartLimit'] = 0
logging.log(EXTINFO,"Start limit off.")
return False
# Check available inverter power
activePower = self._activePower()
if activePower < newLimit:
for device in self._devices:
if device.Active == False:
# Activate next inverter
device.PowerLimit = 1
device.Active = True
activePower += device.MaxPower
if activePower >= newLimit:
break
else:
for device in self._devices[::-1]:
if device.Active == True:
if activePower - device.MaxPower > newLimit:
# Deactivate last inverter
device.Active = False
activePower -= device.MaxPower
else:
break
self._dbusservice['/StartLimit'] = newLimit
return True
def _setLimit(self, newLimit, maxFeedInPower):
if len(self._devices) == 0:
return 0
primaryMaxPower = self._devices[0].MaxPower
primaryMinPower = self._devices[0].MinPower
primaryPowerLimit = self._devices[0].PowerLimit
secondaryMinPower = 0
secondaryMaxPower = 0
secondaryPowerLimit = 0
limitSet = 0
newLimit = max(newLimit, self._excessPower)
newLimit = min(newLimit, maxFeedInPower)
if self._dbusservice['/StartLimit'] > 0:
newLimit = min(newLimit, self._dbusservice['/StartLimit'])
if self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/BatteryLife/State') == 9:
newLimit = min(newLimit, self._throttlingPower)
if self._dbusmonitor.get_value('com.victronenergy.settings','/Settings/CGwacs/Hub4Mode') != 3:
newLimit = min(newLimit, self._dbusmonitor.get_value('com.victronenergy.hub4','/MaxDischargePower'))
for i in range(1, len(self._devices)):
if self._devices[i].Active == True:
secondaryMaxPower += self._devices[i].MaxPower
secondaryMinPower += self._devices[i].MinPower
secondaryPowerLimit += self._devices[i].PowerLimit
if newLimit > primaryMaxPower + secondaryMaxPower and primaryMaxPower + secondaryMaxPower == primaryPowerLimit + secondaryPowerLimit \
or newLimit == primaryPowerLimit + secondaryPowerLimit:
return primaryPowerLimit + secondaryPowerLimit
self._powerLimitCounter = 0
self._limitChangeCounter +=1
if newLimit >= primaryMaxPower + secondaryMaxPower:
for device in self._devices:
if device.Active == True:
limitSet += device.setPowerLimit(device.MaxPower)
elif newLimit <= primaryMinPower + secondaryMinPower:
for device in self._devices:
if device.Active == True:
limitSet += device.setPowerLimit(device.MinPower)
else:
if primaryMaxPower >= newLimit - secondaryPowerLimit and primaryMinPower <= newLimit - secondaryPowerLimit:
limitSet += self._devices[0].setPowerLimit(newLimit - secondaryPowerLimit)
limitSet += secondaryPowerLimit