IEEE C37.112-1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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IEEE Standard Inverse-Time Characteristic Equations for Overcurrent Relays
English
30-11-1996
02-05-2018
1 Overview
1.1 Scope
1.2 Purpose
2 References
3 Definitions
4 The time-current equation
4.1 Coordination of inverse time-current characteristics
4.2 The analytic equation
4.3 Time dial
4.4 Standard time-current characteristics
Annex A (Informative) - Derivation of the induction
characteristic
Annex B (Informative) - Bibliography
Reviews various existing analytic techniques for representation of relay operating characteristic curved shapes and gives typical operating characteristic curve shapes for standardizing available inverse-time relay characteristics in microprocessor or computer relay applications.
| Committee |
Power System Relaying and Control
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| IEEE C37.113-1999 | IEEE Guide for Protective Relay Applications to Transmission Lines |
| IEEE DRAFT C37.91 : D7.0 2006 | PROTECTING POWER TRANSFORMERS |
| IEEE C37.91-2008 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE 421.5-2005 | IEEE Recommended Practice for Excitation System Models for Power System Stability Studies |
| IEEE C37.90-2005 | IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus |
| IEC 60255-3:1989 | Electrical relays - Part 3: Single input energizing quantity measuring relays with dependent or independent time |
| IEEE C37.90-1989 | IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus |
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