51f56cd2f529cbf92c0492c34510c040ed1b77fd,nilmtk/elecmeter.py,ElecMeter,power_series,#ElecMeter#Any#,191

Before Change

            then will attempt to use voltage data from this meter.
        nominal_voltage : float
        
        chunk = next(self.store.load(key=self.sensor_keys[0], **load_kwargs))
        for key in self.sensor_keys[1:]:
            chunk += next(self.store.load(key=key, **load_kwargs))
        best_ac_type = select_best_ac_type(self.available_ac_types(),
                                           measurement_ac_type_prefs)

After Change

        best_ac_type = select_best_ac_type(self.available_ac_types(),
                                           measurement_ac_type_prefs)

        generators = []
        for key in self.sensor_keys:
            generators.append(self.store.load(key=key, **load_kwargs))

        while True:
            try:
                chunk = next(generators[0])
            except StopIteration:
                break
            for generator in generators[1:]:
                chunk += next(generator)
            yield chunk[Power(best_ac_type)].dropna()
        
    def voltage_series(self):
        Returns a generator of pd.Series of voltage, if available.

Instances