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电传动内燃机车主发电机的励磁调节存在着不同的方案。本文介绍ND_4型机车所采用的磁放大器调节方案。它与PG型调速器互相配合,来达到机车牵引和阻动时各项要求。由于磁放大器和感应式励磁机都是经久耐用的无触点元件,使这个方案具有较好的可靠性。为了更好说明线路的控制原理。本文首先对自饱和式磁放大器的电磁物理过程作了比较细致的描述。
There are different solutions to the excitation regulation of the main generator of electric drive diesel locomotive. This article describes the ND_4 locomotive used by the magnetic amplifier adjustment program. It cooperates with the PG-type governor to meet the requirements of locomotive traction and blocking. Because the magnetic amplifier and induction exciter are durable non-contact components, this scheme has better reliability. In order to better explain the control principle of the circuit. In this paper, the electromagnetic physics of self-saturating magnetic amplifier is described in detail.