{ "group": { "desc": "DER Volt-Var model.", "groups": [ { "comments": [ "Stored Curve Sets - Number of curve sets contained in NCrv - The first set is read-only and indicates the current settings." ], "count": "NCrv", "desc": "Stored curve sets.", "groups": [ { "comments": [ "Stored Curve Sets - Curve points for each stored curve - Number of curve points contained in NPt" ], "count": "NPt", "desc": "Stored curve points.", "label": "Stored Curve Points", "name": "Pt", "points": [ { "access": "RW", "desc": "Curve voltage point as percentage.", "label": "Voltage Point", "name": "V", "sf": "V_SF", "size": 1, "type": "uint16", "units": "VNomPct", "standards": [ "IEEE 1547-2018" ], "detail": "Internal curve conformance checks should be conducted when AdptCrvReq is set to 1, not on point writes." }, { "access": "RW", "desc": "Curve reactive power point as set in DeptRef point.", "label": "Reactive Power Point", "name": "Var", "sf": "DeptRef_SF", "size": 1, "type": "int16", "units": "DeptRef", "standards": [ "IEEE 1547-2018" ], "detail": "Internal curve conformance checks should be conducted when AdptCrvReq is set to 1, not on point writes." } ], "type": "group" } ], "label": "Stored Curves", "name": "Crv", "points": [ { "access": "RW", "desc": "Number of active points.", "label": "Active Points", "mandatory": "M", "name": "ActPt", "size": 1, "type": "uint16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Curve dependent reference.", "label": "Dependent Reference", "mandatory": "M", "name": "DeptRef", "size": 1, "symbols": [ { "label": "Percent Max Watts", "name": "W_MAX_PCT", "value": 0 }, { "label": "Percent Max Vars", "name": "VAR_MAX_PCT", "value": 1 }, { "label": "Percent Available Vars", "name": "VAR_AVAL_PCT", "value": 2 }, { "label": "Percent Max Apparent Power", "name": "VA_MAX_PCT", "value": 3 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Power priority.", "label": "Power Priority", "name": "Pri", "size": 1, "symbols": [ { "desc": "Active power priority.", "label": "Active Power Priority", "name": "ACTIVE", "value": 0 }, { "desc": "Reactive power priority.", "label": "Reactive Power Priority", "name": "REACTIVE", "value": 1 }, { "desc": "Power priority is vendor specific mode.", "label": "Vendor Power Priority", "name": "VENDOR", "value": 2 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Vref adjustment as percentage of nominal voltage.", "label": "Vref Adjustment", "name": "VRef", "sf": "V_SF", "size": 1, "type": "uint16", "units": "VNomPct", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Autonomous vref value as a percentage of nominal voltage.", "label": "Current Autonomous Vref", "name": "VRefAuto", "sf": "V_SF", "size": 1, "type": "uint16", "units": "VNomPct", "standards": [] }, { "access": "RW", "desc": "Enable autonomous vref.", "label": "Autonomous Vref Enable", "name": "VRefAutoEna", "size": 1, "symbols": [ { "desc": "Disabled flag (Disabled = 0, Enabled = 1).", "label": "Disabled Flag", "name": "DISABLED", "value": 0 }, { "desc": "Enabled flag (Disabled = 0, Enabled = 1).", "label": "Enabled Flag", "name": "ENABLED", "value": 1 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Autonomous vref time constant.", "label": "Auto Vref Time Constant", "name": "VRefAutoTms", "size": 1, "type": "uint16", "units": "Secs", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Open loop response time.", "label": "Open Loop Response Time", "name": "RspTms", "sf": "RspTms_SF", "size": 2, "type": "uint32", "units": "Secs", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Curve read-write access.", "label": "Curve Access", "mandatory": "M", "name": "ReadOnly", "size": 1, "static": "S", "symbols": [ { "desc": "Curve has read-write access.", "label": "Read-Write Access", "name": "RW", "value": 0 }, { "desc": "Curve has read-only access.", "label": "Read-Only Access", "name": "R", "value": 1 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] } ], "type": "group" } ], "label": "DER Volt-Var", "name": "DERVoltVar", "points": [ { "desc": "DER Volt-Var model ID.", "label": "Model ID", "mandatory": "M", "name": "ID", "size": 1, "static": "S", "type": "uint16", "value": 705, "standards": [ "IEEE 1547-2018" ] }, { "desc": "DER Volt-Var model length.", "label": "Model Length", "mandatory": "M", "name": "L", "size": 1, "static": "S", "type": "uint16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Volt-Var control enable.", "label": "DER Volt-Var Module Enable", "mandatory": "M", "name": "Ena", "size": 1, "symbols": [ { "desc": "Function is disabled.", "label": "Disabled", "name": "DISABLED", "value": 0 }, { "desc": "Function is enabled.", "label": "Enabled", "name": "ENABLED", "value": 1 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Index of curve points to adopt. First curve index is 1.", "label": "Adopt Curve Request", "mandatory": "M", "name": "AdptCrvReq", "size": 1, "type": "uint16", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Result of last adopt curve operation.", "label": "Adopt Curve Result", "mandatory": "M", "name": "AdptCrvRslt", "size": 1, "symbols": [ { "desc": "Curve update in progress.", "label": "Update In Progress", "name": "IN_PROGRESS", "value": 0 }, { "desc": "Curve update completed successfully.", "label": "Update Complete", "name": "COMPLETED", "value": 1 }, { "desc": "Curve update failed.", "label": "Update Failed", "name": "FAILED", "value": 2 } ], "type": "enum16", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Number of curve points supported.", "label": "Number Of Points", "mandatory": "M", "name": "NPt", "size": 1, "static": "S", "type": "uint16", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Number of stored curves supported.", "label": "Stored Curve Count", "mandatory": "M", "name": "NCrv", "size": 1, "static": "S", "type": "uint16", "standards": [ "IEEE 1547-2018" ] }, { "access": "RW", "desc": "Reversion time in seconds. 0 = No reversion time.", "label": "Reversion Timeout", "name": "RvrtTms", "size": 2, "type": "uint32", "units": "Secs", "standards": [] }, { "desc": "Reversion time remaining in seconds.", "label": "Reversion Time Remaining", "name": "RvrtRem", "size": 2, "type": "uint32", "units": "Secs", "standards": [] }, { "access": "RW", "desc": "Default curve after reversion timeout.", "label": "Reversion Curve", "name": "RvrtCrv", "size": 1, "type": "uint16", "standards": [] }, { "desc": "Scale factor for curve voltage points.", "label": "Voltage Scale Factor", "mandatory": "M", "name": "V_SF", "size": 1, "static": "S", "type": "sunssf", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Scale factor for curve var points.", "label": "Var Scale Factor", "mandatory": "M", "name": "DeptRef_SF", "size": 1, "static": "S", "type": "sunssf", "standards": [ "IEEE 1547-2018" ] }, { "desc": "Open loop response time scale factor.", "label": "Open-Loop Scale Factor", "mandatory": "M", "name": "RspTms_SF", "size": 1, "static": "S", "type": "sunssf", "standards": [ "IEEE 1547-2018" ] } ], "type": "group" }, "id": 705 }