GridLAB-D: network/node.h Source File

00001 
00005 #ifndef _NODE_H
00006 #define _NODE_H
00007 
00008 #include "link.h"
00009 
00010 typedef struct s_linklist {
00011     class link *data;
00012     struct s_linklist *next;
00013 } LINKLIST;
00014 
00015 typedef enum {PQ=0, PQV=1, PV=2, SWING=3} BUSTYPE;
00016 class node {
00017 public:
00018     complex V; /* voltage */
00019     complex S; /* power injection */
00020     double G; /* shunt conductance */
00021     double B; /* shunt susceptance */
00022     double Qmax_MVAR; /* maximum MVAR limit */
00023     double Qmin_MVAR; /* minimum MVAR limit */
00024     BUSTYPE type; /* 1=PQ, 2=PV, 3=SWING */
00025     int16 flow_area_num; /* load flow area */
00026     int16 loss_zone_num; /* loss zone number */
00027     double base_kV; /* base kV */
00028     double desired_kV; /* desired kV of remote bus */
00029     OBJECT *remote_bus_id; /* remote bus */
00030     LINKLIST *linklist;
00031 
00032     /* these values are used by state estimation */
00033     complex Vobs;   /* observed voltage */
00034     double Vstdev;  /* observed voltage standard deviation; 0 means no observation */
00035 
00036 protected:
00037     complex Ys; /* self admittance (on-diagonal)*/
00038     complex YVs; /* load/gen partials (off-diagonals x remote V) */
00039     double r2; /* sum of R^2 of observations residuals */
00040     unsigned short n_obs; /* number of observations made */
00041     double Sr2; /* power residuals */
00042     unsigned short n_inj;
00043 public:
00044     static CLASS *oclass;
00045     static node *defaults;
00046     static CLASS *pclass;
00047 public:
00048     node(MODULE *mod);
00049     ~node();
00050     int create();
00051     int init(OBJECT *parent);
00052 
00053     void attach(link *pLink);
00054 
00055     void add_obs_residual(node *pNode);
00056     void del_obs_residual(node *pNode);
00057     double get_obs_residual(void) const;
00058     double get_obs_probability(void) const;
00059 
00060     void add_inj_residual(node *pNode);
00061     void del_inj_residual(node *pNode);
00062     double get_inj_residual(void) const;
00063     double get_inj_probability(void) const;
00064 
00065     TIMESTAMP presync(TIMESTAMP t0);
00066     TIMESTAMP postsync(TIMESTAMP t0);
00067     friend class link;
00068 };
00069 
00070 GLOBAL CLASS *node_class INIT(NULL);
00071 GLOBAL OBJECT *last_node INIT(NULL);
00072 
00073 #endif