#ifndef BRANCH_H
#define BRANCH_H
#include <QObject>
#include <QString>
class Branch:public QObject
{
    Q_OBJECT
public:
    Branch(const QString& from, const QString& to,QObject* parent=0);
public:
    double r;
    double x;
    QString from;
    QString to;
    double ratio;//变比
    double b1;
    double b2;
    double g1;
    double g2;
protected:
    virtual void extract()=0;
};

#endif // BRANCH_H