IEEE C37.92 2005
$37.38
IEEE Standard for Analog Inputs to Protective Relays From Electronic Voltage and Current Transducers
| Published By | Publication Date | Number of Pages |
| IEEE | 2005 | 20 |
New IEEE Standard – Active. Electronic devices that develop or utilize analog signals are not presently covered by standards. This Standard provides interface connectivity of modern power-system signal transducers based on electronics, such as magneto-optic current transducers, and electronic relays. The existing standardized levels from familiar magnetic current and voltage transformers are not readily generated by new types of electronic signal transducers.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | Introduction Notice to users Errata Interpretations Patents Participants |
| 7 | Contents |
| 8 | 1. Overview 1.1 Scope 1.2 Purpose |
| 9 | 2. Normative references 3. Definitions |
| 10 | 4. General requirements 4.1 Terminations 4.2 Signal isolation from ground 4.3 Polarity marking and reversibility |
| 11 | 4.4 Auxiliary outputs from sensing systems 4.4.1 Sensing system trouble signal 4.4.2 Data valid signal 4.5 Electrical environment withstand capability 4.5.1 Dielectric test 4.5.2 Surge withstand capability tests |
| 12 | 4.5.3 Test for withstand capability of relay systems to radiated electromagnetic interference from transceivers 5. Electrical requirements 5.1 Signal specifications 5.1.1 Signal description for current sensing systems |
| 13 | 5.1.2 Signal description for voltage sensing systems 5.2 Phase correction value 5.3 Output burden capability 5.4 Common-mode rejection |
| 14 | 5.5 Output dc offset 5.6 Bandwidth and transient response 5.7 Squelching on error detection 5.8 Signal description for valid-data signal 6. Intermediate devices 6.1 Purpose |
| 15 | 6.2 Performance requirements 6.3 Other requirements 7. Interconnection wiring practices |
| 18 | Annex A (informative)Application Precautions A.1 Low-frequency response cutoff A.2 Startup and shutdown transients |
| 19 | A.3 Response to power-system transients A.4 Power-frequency phase delay A.5 Output capability A.6 Malfunctions and alarms |
| 20 | A.7 Calibration A.8 Digital interfaces |
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