Interface Improvement of the ZDD-12 Power Line Carrier Without Voice Frequency Fram

Liu zhi; Tang Qiusheng

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Interface Improvement of the ZDD-12 Power Line Carrier Without Voice Frequency Fram

更新时间：2025-11-18

- Interface Improvement of the ZDD-12 Power Line Carrier Without Voice Frequency Fram
- Issue 6, Pages: 32-33+51(2003)
- 作者机构：
  
  1. 湖南电力调度通信中心
  2. 湖南电力调度通信中心湖南长沙410007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.1
- Published：2003
- 稿件说明：
移动端阅览
[1]刘志,唐秋生.ZDD-12载波机退音频架接口改造方案[J].湖南电力,2003(06):32-33+51.

Liu zhi, Tang Qiusheng. Interface Improvement of the ZDD-12 Power Line Carrier Without Voice Frequency Fram[J]. 2003, (6): 32-33+51.
[1]刘志,唐秋生.ZDD-12载波机退音频架接口改造方案[J].湖南电力,2003(06):32-33+51. DOI：

Liu zhi, Tang Qiusheng. Interface Improvement of the ZDD-12 Power Line Carrier Without Voice Frequency Fram[J]. 2003, (6): 32-33+51. DOI：

摘要

通过改造 ZDD- 1 2电力线载波机

使之具有能直接与 PCM、交换机等设备相连接的 4W E/M接口

达到退出中心主站音频架

精简设备

减少故障点

降低运行与维护费用的目的。

Abstract

The method for improving the interface of the ZDD-12 power line carrier is introduced in this paper. By the improving

the carrier is of a 4W E/M interface

which is able to be connected directly to PCM and exchange equipment. As a result

the voice frequency frame can be omitted; The improved carrier wave machine is simple and reliable in configuration; Its operation and maintenance costs are low.

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Operation and Management of Distribution Automation in Hunan Power Grid

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State Grid Hunan Electric Power Company Limited Research Institute

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