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以轨道电路在我国发展情况的角度,介绍了25Hz相敏轨道电路的产生和特点,其中重点介绍了97型25Hz相敏轨道电路相比原有的25Hz相敏轨道电路的特点和优势,随后就97型25Hz相敏轨道电路的缺点,提出了UI型25Hz相敏轨道电路,并做了简要介绍。最后总结出25Hz相敏轨道电路优点远胜于缺点,故在我国高速化铁路的站内侧线上仍然在大量使用25Hz相敏轨道电路。
In view of the development of orbit circuit in our country, the generation and characteristics of 25Hz phase-sensitive track circuit are introduced. The characteristics and advantages of 97-type 25Hz phase-sensitive track circuit compared with the original 25Hz phase-sensitive track circuit are mainly introduced. 97-type 25Hz phase sensitive track circuit shortcomings proposed UI type 25Hz phase sensitive track circuit, and made a brief introduction. In the end, it is concluded that the advantage of 25Hz phase sensitive track circuit is much better than the shortcoming, so the 25Hz phase sensitive track circuit is still widely used on the inside line of the high speed railway in our country.