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BS EN 61290-10-5:2014

BS EN 61290-10-5:2014

$142.49

Optical amplifiers. Test methods – Multichannel parameters. Distributed Raman amplifier gain and noise figure

Published By Publication Date Number of Pages
BSI 2014 26
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This standard applies to dry-type and oil-immersed type, three-phase and single-phase power transformers with power ratings from 10 kVA to 2500 kVA and system highest voltage up to 24 kV. This standard does not apply to certain categories of special transformers such as—

  1. transformers other than those on 11 or 22 kv networks;

  2. instrument transformers;

  3. auto transformers;

  4. traction transformers mounted on rolling stock;

  5. starting transformers;

  6. testing transformers;

  7. welding transformers;

  8. three phase transformers with three or more windings per phase;

  9. arc-furnace transformers;

  10. earthing transformers;

  11. rectifier or converter transformers;

  12. uninterruptible power supply (ups) transformers;

  13. transformers with an impedance less than 3% or more than 8%;

  14. voltage regulating transformers;

  15. transformers designed for frequencies other than 50 hertz;

  16. gas-filled dry-type transformers; or

  17. flameproof transformers.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
7 1 Scope and object
2 Normative references
8 3 Terms, definitions and abbreviations
3.1 Terms and definitions
9 3.2 Abbreviated terms
4 DRA gain and noise figure parameters – Overview
11 5 Apparatus
5.1 General
Figures
Figure 1 – Distributed Raman amplification in co-propagating (left)and count-propagating (right) configurations
12 5.2 Multi-channel signal source
Figure 2 – Measurement set-up without a pump module
Figure 3 – Measurement set-up for counter-propagating configuration
Figure 4 – Measurement set-up for co-propagating configuration
13 5.3 Polarization controller
5.4 Optical spectrum analyser
Figure 5 – Possible implementation of a multi-channel signal source
14 5.5 Optical power meter
5.6 Tuneable narrowband source
5.7 Broadband optical source
5.8 Optical connectors and jumpers
6 Test sample
7 Procedure
7.1 Overview
7.1.1 Channel on-off gain
15 7.1.2 Pump module channel insertion loss and channel net gain
7.1.3 Channel equivalent noise figure (NF)
7.2 Calibration
7.2.1 Calibration of optical bandwidth
17 7.2.2 Calibration of OSA power correction factor
7.3 Measurement
19 7.4 Calculation
7.4.1 Channel on-off gain
7.4.2 Channel net gain
7.4.3 Channel equivalent NF
8 Test results
21 Annex A (informative) Field measurements versus laboratory measurements
22 Annex B (informative) Pump depletion and channel-to-channel Raman scattering
23 Bibliography

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BS EN 61290-10-5:2014
$142.49