ev charging station plug types table structure

Lists all types of plugs found in electric vehicle charging stations in the model, including all the fields required by Polaris. Chargers with power level of 1,000 correspond to Level 1 chargers. Chargers with power level of 7,000 correspond to Level 2 chargers. Chargers with power level of 50,000 correspond to dcfc chargers. Required by all models presently, but will soon be more flexible.

Table Structure

Field	Type	NULL allowed	Default Value	Foreign key	Description
plug_type_id*	INTEGER	NO			Unique identifier for the plug type
power_level	REAL	YES			plug power level defined in Watt
power_source	TEXT	NO			text description of source of energy, defaults to ‘Electric’

(* - Primary key)

The SQL statement for table and index creation is below.

CREATE TABLE IF NOT EXISTS "EV_Charging_Station_Plug_Types"(
    plug_type_id INTEGER NOT NULL PRIMARY KEY,
    power_level  REAL,
    power_source TEXT    NOT NULL
);

insert into EV_Charging_Station_Plug_Types(plug_type_id,power_level,power_source) values (1,1000,'Electric');
insert into EV_Charging_Station_Plug_Types(plug_type_id,power_level,power_source) values (2,7000,'Electric');
insert into EV_Charging_Station_Plug_Types(plug_type_id,power_level,power_source) values (3,50000,'Electric');