generators/energy_storage.h

Go to the documentation of this file.

#ifndef _energy_storage_H
#define _energy_storage_H

#include <stdarg.h>
#include "generators.h"

class energy_storage : public gld_object
{
private:

protected:
    /* TODO: put unpublished but inherited variables */
public:
    /* TODO: put published variables here */
    set phases; 
    enum GENERATOR_MODE {CONSTANT_V=1, CONSTANT_PQ, CONSTANT_PF, SUPPLY_DRIVEN};
    enumeration gen_mode_v;  //operating mode of the generator 
    //note energy_storage panel will always operate under the SUPPLY_DRIVEN generator mode
    enum GENERATOR_STATUS {OFFLINE=1, ONLINE=2};
    enumeration gen_status_v;
    enum POWER_TYPE{DC=0, AC=1};
    enumeration power_type_v;

    complex V_Max;
    complex I_Max;
    double E_Max;
    double Energy;
    bool recalculate;
    double margin;
    
    double Max_P;//< maximum real power capacity in kW
    double Min_P;//< minimus real power capacity in kW
    
    double Rated_kVA; //< nominal capacity in kVA
    
    double efficiency;

    TIMESTAMP prev_time;
    double E_Next;
    
    
    complex V_In;
    complex I_In;
    complex V_Internal;
    double Rinternal;
    complex VA_Internal;
    complex I_Prev;
    complex I_Internal;
    double base_efficiency;

    complex V_Out;
    
    complex I_Out;

    complex VA_Out;

    complex *pCircuit_V;        //< pointer to the three voltages on three lines
    complex *pLine_I;           //< pointer to the three current on three lines
    bool connected; // true if conencted to another item down the line, false if this is the only item on the bus

public:
    /* required implementations */
    energy_storage(void);
    energy_storage(MODULE *module);
    int create(void);
    int init(OBJECT *parent);
    
    //this should be overridden by a customized method in child classes
    double calculate_efficiency(complex voltage, complex current);

    TIMESTAMP presync(TIMESTAMP t0, TIMESTAMP t1);
    TIMESTAMP sync(TIMESTAMP t0, TIMESTAMP t1);
    TIMESTAMP postsync(TIMESTAMP t0, TIMESTAMP t1);

    complex calculate_v_terminal(complex v, complex i);

public:
    static CLASS *oclass;
    static energy_storage *defaults;
#ifdef OPTIONAL
    static CLASS *pclass; 
    TIMESTAMP plc(TIMESTAMP t0, TIMESTAMP t1); 
#endif
};

#endif

---

GridLAB-D™ Version 4.1

An open-source smart grid simulator created by PNNL for the US Department of Energy Office of Electricity