bsrn.qc.k_index.kt_limit_test#

bsrn.qc.k_index.kt_limit_test(ghi, bni_extra, zenith)[source]#

Check if clearness index ($k_t$) is within physically possible limits [1]. 检查晴朗指数 ($k_t$) 是否在物理可能范围内。

Parameters:

  • ghi (numeric or Series) – Global horizontal irradiance ($G_h$). [W/m^2] 水平总辐照度 ($G_h$)。[瓦/平方米]

  • bni_extra (numeric or Series) – Extraterrestrial beam normal irradiance ($E_{0n}$). [W/m^2] 地外法向辐照度 ($E_{0n}$)。[瓦/平方米]

  • zenith (numeric or Series) – Solar zenith angle ($Z$). [degrees] 太阳天顶角 ($Z$)。[度]

Returns:

flags – Boolean flags (True = Pass). [bool] 布尔标记（True = 通过）。[布尔值]

Return type:

Series or ndarray

References