:
IS 3231 (Part 1/Sec 3) : 1986 IEC 255-4 Reviewed In : 2011
IS Title/आईएस शीर्षक:
Electrical realys for power system protection: Part 1 General requirements, Section 3 High frequency distrubance test for static relays (Withdrawn)
Superseded by IS/प्रतिस्थापित आईएस:
None
Degree of Equivalence/समतुल्यता स्तर:
Indigenous
Number of Revisions/पुनरीक्षणों की संख्या:
1
Number of Amendments/संशोधनों की संख्या:
No amendment issued
Electrical Relays for Power System Projection - Part 3 : Requirements for Particular Group of Relays - Section 3 : Biased (Percentage) Differential Relays