32
Installing the communication cables
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Note also that recommendation about cable lengths given for modules according ITU/
EIA interface, not short range galvanic module, are under the assumption that the two
equipment, protection terminal and communication, are within the same building and
that the earthing system of the building is well carried out. It also presumes that the en-
vironment is relatively free from electromagnetic noise.
Содержание REL 531
Страница 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Страница 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Страница 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Страница 132: ...126 Two step time delayed phase overcurrent protection TOC2 KDSWHU 9HULI LQJ VHWWLQJV E VHFRQGDU LQMHFWLRQ ...
Страница 136: ...130 Testing the interaction of the distance protection KDSWHU 9HULI LQJ WKH LQWHUQDO FRQILJXUDWLRQ ...
Страница 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...