TB/T 3523.2-2018 Test methods for AC drive electric locomotives Part 2: Input characteristics test has been changed from TB/T 2517-1995 Test method for power factor and harmonics of electric locomotive.
TB/T 3523.2-2018 Test methods for AC drive electric locomotives Part 2: Input characteristics test has been changed from TB/T 2524-1995 Test method for electric locomotive power supply current characteristics.
TB/T 3523.2-2018 Test methods for AC drive electric locomotives Part 2: Input characteristics test has been changed from TB/T 2525-1995 Test method for active current of electric locomotive.
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