21 lines
837 B
Python
21 lines
837 B
Python
import Self_defined_functions
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import math
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#------------------------------------------------------------------------------------------------------------------------------------
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def ATTransformer_DiffProtection(K_k, n_ylmax, I_eT, n_CT):
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# 该函数适用于以下定值的计算：
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# AT变压器差动差动速断电流与比率制动电流
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# 检测一下数据输入类型
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for name, value in locals().items():
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Self_defined_functions.check_input(value)
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I_sd = K_k * (2 * n_ylmax * I_eT) / n_CT
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I_dz = 0.5 * I_eT / n_CT
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I_zd1 = I_eT / n_CT
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I_zd2 = 3 * I_eT / n_CT
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return I_sd, I_dz, I_zd1, I_zd2
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def ATTransformer_OvrCrrntProtection(I_eT, n_CT):
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for name, value in locals().items():
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Self_defined_functions.check_input(value)
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I_ovrCrrnt = 2.5 * I_eT / n_CT
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return I_ovrCrrnt
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