This text through further investigation of CAN and relay protection system, develop the communication converter products of RS232/CAN.

本文通过对继电保护系统通信和CAN总线的深入研究，研制开发了RS232/CAN总线通信转换器产品。

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Modeling and faults calculation in the new converter transformer are the bases of research on operating characteristics, relay protection and fault diagnosis of the new converter transformer.

新型换流变压器建模和故障计算是新型换流变压器运行特性研究及继电保护、故障诊断的基础。

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This paper presents the principles and characteristics of the following modules: power amplifier, phase modulator and up converter, which are used in the transmitter of 1GHz microwave relay system.

本文介绍了用于微波中继系统发射机的功率放大器、调相器、上变频器等组件的原理和特性。

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