| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for confirming validity of a protective relay set value capable of confirming the validity of a protective relay set value upon an accident. <P>SOLUTION: A device for confirming validity of a protective relay set value comprises: alarm generating means 11, 13 to generate an alarm when they detect an operation point of a protective relay upon an accident is rated within an alarming range which is set wider for a prescribed extent than an operation range of the protective relay; data preparation means 12 for preparing a determination state indicating data which prepares a determination state indicating data edited by adding the operation point to a characteristic diagram containing the alarming range of the protective relay, upon an operation of a fail-safe relay incorporated in the protective relay or when an operation point of a protective relay upon an accident is rated within the alarming range. <P>COPYRIGHT: (C)2012,JPO&INPIT |
