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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
15-08-1997
English
15-02-1993
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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.
| Committee |
PEL/95
|
| DevelopmentNote |
BS DRAFT FOR COMMENT 90/33369 DC
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| IEC 60255-22-4:2008 | Identical |
| BS EN 60255-6:1995 | Electrical relays Measuring relays and protection equipment |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.