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SS_3B电力机车的电子控制系统与SS_3型机车相比作了较大的技术改进。电子控制系统改用新型电子控制柜,加设有粘着限制、轴重转移电气补偿、特性控制、防空转等多项功能。相应地SS_3B机车控制电路的改动主要包括机车调速控制和电子控制柜接口两部分。控制电路中有关辅助电机、受电弓、主断路器、故障保护、故障显示、灯回路等均与原SS_3型机车基本相同。下面仅对调速控制和电子柜接口部分加以介绍。(参见图1) 一、调速控制
SS_3B electric locomotive electronic control system compared with the SS_3 locomotive made a greater technical improvements. Electronic control system to switch to a new type of electronic control cabinet, plus a sticky limit, axle weight compensation electrical compensation, features control, anti-idling and many other functions. Corresponding to SS_3B locomotive control circuit changes include locomotive speed control and electronic control cabinet interface in two parts. Control circuit auxiliary motor, pantograph, main circuit breaker, fault protection, fault display, light circuit, etc. are the same with the original SS_3 locomotive. The following only the speed control and electronic cabinet interface section to be introduced. (See Figure 1) First, speed control