def scale_voltage_current_power(self, data):
return scale_voltage_current_power(data,<EOL>voltage=self.modules_per_string,<EOL>current=self.strings_per_inverter)<EOL>
Scales the voltage, current, and power of the DataFrames
returned by :py:func:`singlediode` and :py:func:`sapm`
by `self.modules_per_string` and `self.strings_per_inverter`.

Parameters
----------
data: DataFrame
    Must contain columns `'v_mp', 'v_oc', 'i_mp' ,'i_x', 'i_xx',
    'i_sc', 'p_mp'`.

Returns
-------
scaled_data: DataFrame
    A scaled copy of the input data.