Standards
Footwear – Test methods for stiffeners and toepuffs – Mechanical characteristics
This document specifies three methods for determining the shape retention properties and compression strength of a doomed test specimen.
GYS 489
-
2009
GYD 6,600
28 pages
GYS IEC 61850-7-4 : 2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes
This part of IEC 61850 specifies the information model of devices and function related to substation applications . IN particular , it specified the compatible logical mode names and data names for communication between intelligent . Electronic devices (IED) . This includes the relationship between logical nodes ands data.
GYS IEC 61850-4
-
2003
GYD 0
104 pages