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TR 100 283 : 2.2.1

Current

Current

The latest, up-to-date edition.

ENVIRONMENTAL ENGINEERING (EE); TRANSIENT VOLTAGES AT INTERFACE "A" ON TELECOMMUNICATIONS DIRECT CURRENT (DC) POWER DISTRIBUTIONS

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Hardcopy , PDF

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English

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Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
5 Typical power distribution
6 Characteristics of a power fault transient
7 The transient, part 1
8 Analysis of part 1
   8.1 Increasing distribution resistance
   8.2 Decreasing the fault clearance time
   8.3 Decreasing power distribution inductance
       8.3.1 Calculating inductance
       8.3.2 Measuring inductance
   8.4 Summary
   8.5 Recommendations
9 The transient, part 2
10 Analysis of part 2
   10.1 Absorbing the energy
   10.2 Dissipating the energy
   10.3 Recommendations
11 Testing for immunity to transients
   11.1 Transient immunity test circuit; by applying
        real power distribution to an installation model
        (high power systems)
   11.2 Transient immunity test circuit; by analogue
        circuit simulation
12 Conclusion
History

Explores the parameters of dc power distributions within the scope of EN 300 132-2 that significantly contribute to the energy contained by a transient, discusses ways in which the transient can be controlled to reduce its harmful effects, and suggests ways in which the immunity of an electronic unit or a substantial telecommunications installation might be tested.

Committee
EE 02
DocumentType
Standard
Pages
17
PublisherName
European Telecommunications Standards Institute
Status
Current

EN 300 132-2 : 2.4.6 ENVIRONMENTAL ENGINEERING (EE); POWER SUPPLY INTERFACE AT THE INPUT TO TELECOMMUNICATIONS AND DATACOM (ICT) EQUIPMENT; PART 2: OPERATED BY -48 V DIRECT CURRENT (DC)
TS 102 121 : 1.3.1 ENVIRONMENTAL ENGINEERING (EE); POWER DISTRIBUTION TO TELECOMMUNICATIONS AND DATACOM (ICT) EQUIPMENT

EN 300 132-2 : 2.4.6 ENVIRONMENTAL ENGINEERING (EE); POWER SUPPLY INTERFACE AT THE INPUT TO TELECOMMUNICATIONS AND DATACOM (ICT) EQUIPMENT; PART 2: OPERATED BY -48 V DIRECT CURRENT (DC)

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