【国外标准】 IEEE Guide for Protective Relay Applications of Audio Tones over Telephone Channels
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2025-10-27
- IEEE 305-1969
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This Guide contains information and recommendations for applying audio-tone communication over telephone channels for power-system relaying. It is intended to cover applications to both leased and private telephone systems but not applications to private microwave or carrier channels. Included are sections on transmitting and receiving equipment, leased telephone channels, application principles, installation, and testing. Reflected in this work is the knowledge and experience of equipment… read more manufacturers and telephone companies as well as that of the users. Pertinent information previously published is also included read less
标准号:
IEEE 305-1969
标准名称:
IEEE Guide for Protective Relay Applications of Audio Tones over Telephone Channels
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