powerflow/load.h

// $Id: load.h 1182 2008-12-22 22:08:36Z dchassin $
//  Copyright (C) 2008 Battelle Memorial Institute

#ifndef _LOAD_H
#define _LOAD_H

#include "node.h"

EXPORT SIMULATIONMODE interupdate_load(OBJECT *obj, unsigned int64 delta_time, unsigned long dt, unsigned int iteration_count_val, bool interupdate_pos);

class load : public node
{
public:
    static CLASS *oclass;
    static CLASS *pclass;
private:
    complex prev_shunt[3];

    bool base_load_val_was_nonzero[3];      

public:
    complex measured_voltage_A; 
    complex measured_voltage_B;
    complex measured_voltage_C;
    complex measured_voltage_AB;    
    complex measured_voltage_BC;
    complex measured_voltage_CA;
    complex constant_power[3];      // power load
    complex constant_current[3];    // current load
    complex constant_impedance[3];  // impedance load
    complex constant_power_dy[6];       // Power load, explicitly specified wye and delta -- delta first, then wye
    complex constant_current_dy[6]; // Current load, explicitly specified wye and delta -- delta first, then wye
    complex constant_impedance_dy[6];   // Impedance load, explicitly specified wye and delta -- delta first, then wye
    INRUSHINTMETHOD inrush_int_method_inductance;   //Individual mode selection
    INRUSHINTMETHOD inrush_int_method_capacitance;

    double base_power[3];
    double power_pf[3];
    double current_pf[3];
    double impedance_pf[3];
    double power_fraction[3];
    double impedance_fraction[3];
    double current_fraction[3];
    bool three_phase_protect;

    enum {LC_UNKNOWN=0, LC_RESIDENTIAL, LC_COMMERCIAL, LC_INDUSTRIAL, LC_AGRICULTURAL};
    enumeration load_class;
    enum {DISCRETIONARY=0, PRIORITY, CRITICAL};
    enumeration load_priority;

    int create(void);
    int init(OBJECT *parent);
    
    void load_update_fxn(bool fault_mode);
    void load_delete_update_fxn(void);
    SIMULATIONMODE inter_deltaupdate_load(unsigned int64 delta_time, unsigned long dt, unsigned int iteration_count_val, bool interupdate_pos);

    load(MODULE *mod);
    TIMESTAMP sync(TIMESTAMP t0);
    TIMESTAMP postsync(TIMESTAMP t0);
    TIMESTAMP presync(TIMESTAMP t0);
    inline load(CLASS *cl=oclass):node(cl){};
    int isa(char *classname);
    int notify(int update_mode, PROPERTY *prop, char *value);
    int kmldata(int (*stream)(const char*,...));
};

#endif // _LOAD_H

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GridLAB-D™ Version 4.1

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