breos.inverter.InverterConfig#

class breos.inverter.InverterConfig(nominal_power_w=None, dc_ac_ratio=1.25, inverter_efficiency=0.96, is_hybrid=True, mppt_channels=2, cost_per_kw_simple=48.37, cost_per_kw_hybrid=102.58)[source]#

Bases: object

Inverter configuration parameters.

Parameters:

nominal_power_w (float | None)
dc_ac_ratio (float)
inverter_efficiency (float)
is_hybrid (bool)
mppt_channels (int)
cost_per_kw_simple (float)
cost_per_kw_hybrid (float)

nominal_power_w#: Inverter nominal AC power (W). If None, sized from PV.

dc_ac_ratio#: DC/AC sizing ratio (typical: 1.1-1.25)

inverter_efficiency#: Peak inverter efficiency (typical: 0.96-0.98)

is_hybrid#: Whether this is a hybrid inverter with battery support

mppt_channels#: Number of MPPT channels

cost_per_kw_simple#: Cost per kW for simple (grid-tie) inverter

cost_per_kw_hybrid#: Cost per kW for hybrid inverter (with battery)

__init__(nominal_power_w=None, dc_ac_ratio=1.25, inverter_efficiency=0.96, is_hybrid=True, mppt_channels=2, cost_per_kw_simple=48.37, cost_per_kw_hybrid=102.58)#

Parameters:

nominal_power_w (float | None)
dc_ac_ratio (float)
inverter_efficiency (float)
is_hybrid (bool)
mppt_channels (int)
cost_per_kw_simple (float)
cost_per_kw_hybrid (float)

Return type:

None

Methods

`__init__`([nominal_power_w, dc_ac_ratio, ...])
`get_cost`([pv_peak_power_w])	Calculate inverter cost.
`size_from_pv`(pv_peak_power_w)	Size inverter based on PV peak power.

Attributes

`cost_per_kw_hybrid`
`cost_per_kw_simple`
`dc_ac_ratio`
`inverter_efficiency`
`is_hybrid`
`mppt_channels`
`nominal_power_w`

get_cost(pv_peak_power_w=None)[source]#

Calculate inverter cost.

Parameters:: pv_peak_power_w (Optional[float]) – PV peak power for sizing (uses nominal_power if provided)
Return type:: float
Returns:: Inverter cost in €

size_from_pv(pv_peak_power_w)[source]#

Size inverter based on PV peak power.

Parameters:: pv_peak_power_w (float) – Total PV array peak power (Wp)
Return type:: float
Returns:: Inverter nominal AC power (W)