发明名称 |
USING TRAVEL-TIME AS MEANS FOR IMPROVING THE ACCURACY OF SIMPLE NETWORK TIME PROTOCOL |
摘要 |
A method for improving accuracy of simple network time protocol. A time inquiry is sent from at least one device in a substation to a time provider. A message including a reference time is received from the time provider. An accuracy of the reference time is evaluated. If the accuracy of the reference time is less than a threshold value the accuracy of the reference time is improved. The reference time is utilized for synchronization. |
申请公布号 |
EP1961186(A4) |
申请公布日期 |
2016.09.14 |
申请号 |
EP20060831701 |
申请日期 |
2006.12.12 |
申请人 |
ABB TECHNOLOGY LTD |
发明人 |
PIND, HENRICK |
分类号 |
H04L29/06;G04G5/00;H04J3/06;H04J3/14;H04L12/26;H04L29/08 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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