BS 142-1.4.4:1993

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

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.