AS/NZS IEC 61439.6:2016
Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)
Lays down the definitions and states the service conditions, construction requirements, technical characteristics and verification requirements for low voltage busbar trunking systems (BTS) as follows: the rated voltage does not exceed 1 000 V in case of a.c. or 1 500 V in case of d.c.; intended for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy consuming equipment; designed for use under special service conditions, for example in ships, in rail vehicles, and for domestic applications (operated by unskilled persons), provided that the relevant specific requirements are complied with; designed for electrical equipment of machines. It is to be read in conjunction with AS/NZS 61439.1:2016. Adopted with national modifications from IEC 61439-6, Ed. 1.0 (2012).
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CONTENTS
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Interface characteristics
6 Information
7 Service conditions
8 Constructional requirements
9 Performance requirements
10 Design verifications
11 Routine verifications
Annexes
Annex C (informative) Specification schedule
Annex D (informative) Design verification
Annex AA (informative) Voltage drop of the system
Annex BB (informative) Phase conductor characteristics
Annex CC (informative) Fault-loop zero-sequence impedances
Annex DD (informative) Fault-loop resistances and reactances
Annex EE (informative) Determination of the magnetic field in the vicinity of the BTS
Bibliography
Figure 101 – Mechanical load test of a straight unit
Figure 102 – Mechanical load test of a joint
Figure 103 – Test arrangement for verification of a fire-barrier BTU
Figure BB.1 – Phase conductors characteristics determination
Figure CC.1 – Fault loop zero-sequence impedances determination
Figure DD.1 – Fault loop resistances and reactances determination
Figure EE.1 – Magnetic field measurement arrangement
Table 101 – Rated diversity factor for a tap-off unit
Table 102 – Phase conductor characteristics
Table 103 – Fault-loop characteristics
Table 104 – Characteristics to be used for fault currents calculations
Table 105 – Conditioning for the thermal cycling test
Table C.1 – User specification schedule
Table D.1 – Design verifications
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References
Low-voltage switchgear and controlgear assemblies - Particular requirements for busbar trunking systems (busways)
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CONTENTS
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Interface characteristics
6 Information
7 Service conditions
8 Constructional requirements
9 Performance requirements
10 Design verifications
11 Routine verifications
Annexes
Annex C (informative) Specification schedule
Annex D (informative) Design verification
Annex AA (informative) Voltage drop of the system
Annex BB (informative) Phase conductor characteristics
Annex CC (informative) Fault-loop zero-sequence impedances
Annex DD (informative) Fault-loop resistances and reactances
Annex EE (informative) Determination of the magnetic field in the vicinity of the BTS
Bibliography
Figure 101 – Mechanical load test of a straight unit
Figure 102 – Mechanical load test of a joint
Figure 103 – Test arrangement for verification of a fire-barrier BTU
Figure BB.1 – Phase conductors characteristics determination
Figure CC.1 – Fault loop zero-sequence impedances determination
Figure DD.1 – Fault loop resistances and reactances determination
Figure EE.1 – Magnetic field measurement arrangement
Table 101 – Rated diversity factor for a tap-off unit
Table 102 – Phase conductor characteristics
Table 103 – Fault-loop characteristics
Table 104 – Characteristics to be used for fault currents calculations
Table 105 – Conditioning for the thermal cycling test
Table C.1 – User specification schedule
Table D.1 – Design verifications
Previous versions
AS/NZS IEC 61439.6:2016
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.