{ "$schema": "http://json-schema.org/schema#", "$schemaVersion": "0.0.1", "$id": "https://smart-data-models.github.io/dataModels.CIMEnergyClasses/GovGAST/schema.json", "title": " Smart Data Models - GovGAST", "description": "Adapted from CIM data models. Single shaft gas turbine.", "type": "object", "allOf": [ { "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons" }, { "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons" }, { "properties": { "type": { "type": "string", "enum": [ "GovGAST" ], "description": "Property. NGSI type. It has to be GovGAST" }, "at": { "description": "Property. Model:'https://schema.org/Number'. Ambient temperature load limit (Load Limit). Typical Value = 1. Default: 0.0", "type": "number" }, "dturb": { "description": "Property. Model:'https://schema.org/Number'. Turbine damping factor (Dturb). Typical Value = 0.18. Default: 0.0", "type": "number" }, "kt": { "description": "Property. Model:'https://schema.org/Number'. Temperature limiter gain (Kt). Typical Value = 3. Default: 0.0", "type": "number" }, "mwbase": { "description": "Property. Model:'https://schema.org/Number'. Base for power values (MWbase) (> 0). Default: 0.0", "type": "number" }, "r": { "description": "Property. Model:'https://schema.org/Number'. Permanent droop (R). Typical Value = 0.04. Default: 0.0", "type": "number" }, "t1": { "description": "Property. Model:'https://schema.org/Number'. Governor mechanism time constant (T1). T1 represents the natural valve positioning time constant of the governor for small disturbances, as seen when rate limiting is not in effect. Typical Value = 0.5. Default: 0", "type": "number" }, "t2": { "description": "Property. Model:'https://schema.org/Number'. Turbine power time constant (T2). T2 represents delay due to internal energy storage of the gas turbine engine. T2 can be used to give a rough approximation to the delay associated with acceleration of the compressor spool of a multi-shaft engine, or with the compressibility of gas in the plenum of a the free power turbine of an aero-derivative unit, for example. Typical Value = 0.5. Default: 0", "type": "number" }, "t3": { "description": "Property. Model:'https://schema.org/Number'. Turbine exhaust temperature time constant (T3). Typical Value = 3. Default: 0", "type": "number" }, "vmax": { "description": "Property. Model:'https://schema.org/Number'. Maximum turbine power, PU of MWbase (Vmax). Typical Value = 1. Default: 0.0", "type": "number" }, "vmin": { "description": "Property. Model:'https://schema.org/Number'. Minimum turbine power, PU of MWbase (Vmin). Typical Value = 0. Default: 0.0", "type": "number" } } } ] }