13.3.4. energyΒΆ
Energy import/export capability/limit types
NumberWithSource:object
Simple number type with source information
properties:
value:number <required>
Value
source:string <required>
Source of the value
IntegerWithSource:object
Simple number type with source information
properties:
value:integer <required>
Value
source:string <required>
Source of the value
NodeType:string
Enum Type for different Nodes on the energy tree
enum:
- Undefined
- Evse
- Generic
EvseState:string
Enum for simplified EVSE state
enum:
- Unplugged
- WaitForAuth
- WaitForEnergy
- PrepareCharging
- PausedEV
- PausedEVSE
- Charging
- Finished
- Disabled
LimitsReq:object
Energy flow limiting object request (Evses to EnergyManager)
properties:
total_power_W:object <required> (energy-NumberWithSource)
Total power limit in Watt. Can be used for DC or as additional limit for AC. Positive number.
There is an extended definition for this object here.
ac_max_current_A:object <required> (energy-NumberWithSource)
Max current limit (per phase) in Ampere. AC only. Positive number.
There is an extended definition for this object here.
ac_min_current_A:object <required> (energy-NumberWithSource)
Min AC current limit per phase in Ampere. Values below that value indicate the device will not work properly, i.e. it will not charge below 6 amps. AC only.
There is an extended definition for this object here.
ac_max_phase_count:object <required> (energy-IntegerWithSource)
Limit to number of phases. Omit if number of phases are not limited. Value between 1 and 3.
There is an extended definition for this object here.
ac_min_phase_count:object <required> (energy-IntegerWithSource)
Minimal number of phases. Omit if number of phases are not limited. Value between 1 and 3.
There is an extended definition for this object here.
ac_supports_changing_phases_during_charging:boolean <required>
Indicate whether phase switching is allowed during charging or not
ac_number_of_active_phases:integer <required>
Number of phases currently offered to the vehicle (1ph or 3ph mode)
LimitsRes:object
Energy flow limiting object Result (Energy manager to Evses)
properties:
total_power_W:object <required> (energy-NumberWithSource)
Total power limit in Watt. Can be used for DC or as additional limit for AC. Negative numbers mean export to grid direction.
There is an extended definition for this object here.
ac_max_current_A:object <required> (energy-NumberWithSource)
Max current limit (per phase) in Ampere. AC only. Negative numbers mean export to grid direction.
There is an extended definition for this object here.
ac_max_phase_count:object <required> (energy-IntegerWithSource)
Limit to number of phases. Omit if number of phases are not limited.
There is an extended definition for this object here.
OptimizerTarget:object
User defined optimizer targets for this evse
properties:
energy_amount_needed:number <required>
Amount of kwh the car needs to fulfill its charging target
charge_to_max_percent:number <required>
Charge car battery to max NN percent
car_battery_soc:number <required>
Car battery State Of Charge in percent
leave_time:string <required>
RFC3339 UTC format time when the car needs to drive away with charging targets fullfilled. Will charge cheapest within this timeframe.
price_limit:number <required>
Always charge if price below this limit. This includes solar charging and price for solar energy if price levels set correctly.
full_autonomy:boolean <required>
Only charge from locally generated energy. Do not draw power from grid for charging.
FrequencyWattPoint:object
A point of a frequency-watt curve
properties:
frequency_Hz:number <required>
The frequency in Hz
total_power_W:number <required>
The total power in W
SetpointType:object
Defines a setpoint, which is a target value for either charging or discharging depending on the sign. Setpoints per phase are currently not supported.
properties:
ac_current_A:number <optional>
The target value in amps per phase for either charging or discharging depending on the sign. Positive values indicate charging, while negative values indicate discharging. Do not set ac_current_A, total_power_W and frequency_table properties simultaneously.
total_power_W:number <optional>
The target value for the total power for either charging or discharging depending on the sign. Positive values indicate charging, while negative values indicate discharging. Do not set ac_current_A, total_power_W and frequency_table properties simultaneously.
frequency_table:array <optional>
Frequency table for the setpoint. When used it must contain at least two coordinates to specify a power-frequency table to use during this period. If the array is empty, no frequency setpoint is set. Do not set ac_current_A, total_power_W and frequency_table properties simultaneously.
array_item:object (energy-FrequencyWattPoint)
priority:integer <required>
Note: priority handling is not implemented for now. If multiple conflicting setpoints are specified in the tree, the priority selects which one is used. Highest priority is 0, lowest priority is 1000.
source:string <required>
Source of the setpoint
ScheduleSetpointEntry:object
One entry for the time series (setpoint request)
properties:
timestamp:string <required>
Absolute timestamp for this sample in RFC3339 UTC format
format:date-time
setpoint:object <optional> (energy-SetpointType)
Setpoint for this timestamp
There is an extended definition for this object here.
ScheduleReqEntry:object
One entry for the time series (request)
properties:
timestamp:string <required>
Absolute timestamp for this sample in RFC3339 UTC format
format:date-time
limits_to_root:object <required> (energy-LimitsReq)
Limit for this timestamp, for the root facing side
There is an extended definition for this object here.
limits_to_leaves:object <required> (energy-LimitsReq)
Limit for this timestamp, for the leaves facing side
There is an extended definition for this object here.
conversion_efficiency:number <optional>
Conversion efficiency from root to leaves side (e.g. AC/DC efficiency). Defaults to one if not specified.
price_per_kwh:object <optional> (energy_price_information-PricePerkWh)
Price information for this timepoint
There is an extended definition for this object here.
ScheduleResEntry:object
One entry for the time series (result)
properties:
timestamp:string <required>
Absolute timestamp for this sample in RFC3339 UTC format
format:date-time
limits_to_root:object <required> (energy-LimitsRes)
Limit for this timestamp, for the root facing side
There is an extended definition for this object here.
price_per_kwh:object <optional> (energy_price_information-PricePerkWh)
Price information for this timepoint
There is an extended definition for this object here.
EnergyFlowRequest:object
Request energy flow parameters to supply/limit energy import (direction from grid to car) and/or consume/limit energy export (car to grid) at a specific point in the tree
properties:
children:array <required>
Array of child node energy flow requests (in the direction to consumer/car)
array_item:object (energy-EnergyFlowRequest)
uuid:string <required>
UUID for this node. This UUID will be used again when enforce_limits() command propagates through the tree.
node_type:string <required> (energy-NodeType)
Node Type Enum
There is an extended definition for this object here.
priority_request:boolean <optional>
If set to true, this is a high priority request that needs to be handled now. Otherwise energymanager may merge multiple requests and address them later.
evse_state:object <optional> (energy-EvseState)
State of the EVSE
There is an extended definition for this object here.
optimizer_target:object <optional> (energy-OptimizerTarget)
User defined optimizer targets for this evse
There is an extended definition for this object here.
energy_usage_root:object <optional> (powermeter-Powermeter)
Energy usage measurement of this node at root side
There is an extended definition for this object here.
energy_usage_leaves:object <optional> (powermeter-Powermeter)
Energy usage measurement of this node at leaves side
There is an extended definition for this object here.
schedule_import:array <required>
Energy import/limits time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time.
array_item:object (energy-ScheduleReqEntry)
One entry for the time series. Values are always positive.
There is an extended definition for this object here.
schedule_export:array <required>
Energy export/limits time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time.
array_item:object (energy-ScheduleReqEntry)
One entry for the time series. Values are always positive.
There is an extended definition for this object here.
schedule_setpoints:array <required>
Setpoints time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time.
array_item:object (energy-ScheduleSetpointEntry)
EnforcedLimits:object
Enforce Limits data type
properties:
uuid:string <required>
UUID of node that this limit applies to
valid_until:string <required>
Limits are valid until this timepoint in RFC3339 UTC. If no new update is received, power consumption must be stopped afer that timepoint.
format:date-time
limits_root_side:object <required> (energy-LimitsRes)
Enforced limits that must be respected at the root side.
There is an extended definition for this object here.
schedule:array <required>
Informative only. Do not use for actual limiting. Energy import/export limits time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time.
array_item:object (energy-ScheduleResEntry)
One entry for the time series. Values are positive for import from grid and negative for export to grid.
There is an extended definition for this object here.
ExternalLimits:object
External Limits data type
properties:
schedule_import:array <required>
Energy import/limits time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time. The last entry is valid for any time after the schedule ends.
array_item:object (energy-ScheduleReqEntry)
schedule_export:array <required>
Energy export/limits time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time. The last entry is valid for any time after the schedule ends.
array_item:object (energy-ScheduleReqEntry)
schedule_setpoints:array <required>
Setpoints time series. The first entry is special as it will be active already now even if the timestamp is in the future, so it is good practice to set the first entry to current time. The time series can have arbitrary time difference between entries and all timestamps are absolute UTC time.
array_item:object (energy-ScheduleSetpointEntry)
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