Measurand catalog

The standard measurand catalog (moddef:stdlib:measurands:1.0.0). Each point references one of these base quantities and adds inline qualifiers (direction, phase, aggregation, location, accumulation). See Measurands for how querying works.

Synced from moddef/stdlib. 29 entries.

Base quantity	Name	Canonical unit	Description
active_power	Active Power	W	Instantaneous real power
reactive_power	Reactive Power	var	Instantaneous reactive power
apparent_power	Apparent Power	VA	Instantaneous apparent power
power_factor	Power Factor	1 (ratio)	Ratio of real to apparent power (dimensionless)
energy_active	Active Energy	Wh	Cumulative active energy register
energy_reactive	Reactive Energy	varh	Cumulative reactive energy register
energy_apparent	Apparent Energy	VAh	Cumulative apparent energy register
voltage	Voltage	V	RMS voltage; qualify with phase_ref (L1_N, L1_L2, ...)
current	Current	A	RMS current; qualify with phase_ref / direction
frequency	Frequency	Hz	Grid frequency
state_of_charge	State of Charge	%	Battery charge level
state_of_health	State of Health	%	Battery health
battery_voltage	Battery Voltage	V	Battery terminal voltage
battery_current	Battery Current	A	Battery current (sign per direction)
battery_power	Battery Power	W	Battery power (sign per direction)
charge_limit	Charge Limit	W	Maximum allowed charge power
discharge_limit	Discharge Limit	W	Maximum allowed discharge power
pv_voltage	PV Voltage	V	PV array / string voltage
pv_current	PV Current	A	PV array / string current
pv_power	PV Power	W	PV array / string power
dc_bus_voltage	DC Bus Voltage	V	Internal DC bus voltage
temperature	Temperature	degC	Temperature; qualify with location (INTERNAL, EXTERNAL, ...)
inverter_temperature	Inverter Temperature	degC	Inverter internal temperature
device_status	Device Status	undefined	Overall device operating status (enum)
alarm_status	Alarm Status	undefined	Alarm state (enum or flag set)
fault_code	Fault Code	undefined	Vendor fault code (enum or integer)
warning_code	Warning Code	undefined	Vendor warning code (enum or integer)
communication_status	Communication Status	undefined	Communication link status (enum)
inverter_status	Inverter Status	undefined	Inverter operating state (enum)