PIP ELSSG04:2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Automatic Transfer Systems for Secondary Selective Substations
Hardcopy
03-06-2024
English
30-07-2018
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00
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0
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Process Industry Practices
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Superseded
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This Practice describes minimum requirements for design, performance, inspection, testing, and documentation, for delayed transfer automatic transfer systems (ATS) for two-source secondary selective substations. ATS provides automatic restoration of bus voltage upon loss of one of the sources. This Practice also covers remote monitoring and control requirements. This Practice does not cover fast bus transfer or delayed in-phase transfer systems.
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