• BS 142-1.4.4:1993

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests Fast transient disturbance test

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  15-08-1997

    Language(s):  English

    Published date:  15-02-1993

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    Specification
    1 Scope and object
    2 Normative references
    3 Definitions
    4 Fast transient disturbance test
    Annexes
    A (normative) Examples of relay settings and values of
       input energizing quantities that should determine
       the operate and non-operate conditions during the
       fast transient disturbance test
    B (normative) Explanatory notes on the fast transient
       disturbance test for measuring relays and protection
       equipment
    Figures
    1 Example of test set-up for fast transient test via
       coupling/decoupling network
    2 Example of test set-up for fast transient test via
       capacitive coupling clamp

    Abstract - (Show below) - (Hide below)

    General requirements for tests of static measuring relays and protection equipment with or without output contacts. Includes definitions of terms used, severity classes, test conditions and procedure and criteria for acceptance.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/95
    Development Note BS DRAFT FOR COMMENT 90/33369 DC
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 60255-6:1995 Electrical relays Measuring relays and protection equipment

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60801-4:1988 Electromagnetic compatibility for industrial-process measurement and control equipment - Part 4: Electrical fast transient/burst requirements
    IEC 60255-6:1988 Electrical relays - Part 6: Measuring relays and protection equipment
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