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BS EN IEC 60947-6-1:2023 – TC

BS EN IEC 60947-6-1:2023 – TC

$280.87

Tracked Changes. Low-voltage switchgear and controlgear – Multiple function equipment. Transfer switching equipment

Published By Publication Date Number of Pages
BSI 2023 178
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This part of EN 60947applies to transfer switching equipment (TSE) to be used in power systems with interruption of the supply to the load during transfer, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c.

PDF Catalog

PDF Pages PDF Title
1 30477353
107 A-30371713
108 undefined
126 3.1 General
127 3.2 Alphabetical index of terms
3.3 Transfer switching devices
129 3.4 Operation of TSE
130 3.5 Main contact positions
131 3.6 Symbols and abbreviated terms
132 5.1 Summary of characteristics
5.2 Type and characteristics of equipment
133 5.3 Rated and limiting values for the main circuit
5.3.1 General
5.3.2 Rated voltages
5.3.3 Rated operational current (Ie)
5.3.4 Rated frequency
5.3.5 Rated making and breaking capacities
134 5.3.6 Short-circuit characteristics
5.4 Utilization category
135 5.5 Control circuits
5.5.1 General
5.5.2 Electro-mechanical devices operating the main circuit
5.5.3 ATS controller
5.6 Auxiliary circuits
6.1 Nature of information
6.2 Marking
Table 1 – Utilization categories
136 Table 2 – Product information
137 6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling
138 6.4 Environmental information
Figure 1 – Example of operating sequences for TSE with three positions
139 8.1 Constructional requirements
8.1.1 General
8.1.2 Materials
140 8.1.3 Indication of the switching position
8.1.4 Equipment suitable for isolation
8.1.5 Opening and closing of main contacts
8.1.6 Clearances and creepage distances
8.1.7 Provision for protective earthing
8.1.8 Stored charge energy circuit
141 8.1.9 Stored energy closing
8.1.10 Dedicated enclosures for TSE
8.2 Performance requirements
8.2.1 Operating conditions
142 8.2.2 Temperature-rise
8.2.3 Dielectric properties
8.2.4 Ability to make, carry, and break under no-load, normal load and overload conditions
143 Table 3 – Verification of making and breaking capacity – Conditions for making and breaking corresponding to the utilization categories
144 8.2.5 Ability to make and break under short-circuit conditions
Table 4 – Verification of operational performance – Conditions for making and breaking corresponding to the utilization categories
145 Table 5 – Value of the test current for the verification of the abilityto operate under short-circuit conditions
146 8.2.6 Critical load current performance (DC equipment)
8.3 Electromagnetic compatibility (EMC)
8.3.1 General
8.3.2 Immunity
Table 6 – Value of the test current for the verificationof the ability to operate under short-circuit conditions (harmonized table)
147 8.3.3 Emission
9.1 Kinds of tests
9.2 Type tests
9.2.1 General test conditions
9.2.2 Test sequences
Table 7 – Acceptance criteria of immunity test
148 Table 8 – List of type tests (overall scheme of test sequences)
149 Table 9 – List of type tests to which a derived TSE shall be submitted
150 9.2.3 Test sequence I – General performance characteristics
156 9.2.4 Test sequence II – Operational performance capability
158 Table 10 – Number and duration of operating cyclesfor the making and breaking capacity test
159 Table 11 – Number and rate of operating cycles for the electrical and mechanical operational performance tests for type A utilization categories
Table 12 – Number and rate of operating cycles for the electrical and mechanical operational performance tests for type B utilization categories
160 Table 13 – Temperature-rise limits for terminals and accessible parts
161 9.2.5 Test sequence III – Short-circuit performance capability
164 9.2.6 Test sequence IV – Conditional short-circuit current
165 9.2.7 Test sequence V – critical load current performance of equipment with a DC rating
167 Table 14 – Number of operating cycles corresponding to the critical load current
Table 15 – Test circuit parameters for Table 14
168 9.2.8 Test sequence VI – EMC tests
Table 16 – Test sequence V:Critical load current performance of equipment with a DC rating
170 9.3 Routine tests
171 Figure 2 – Test circuit for connection to source I and source II supplies
172 9.4 Environmental tests
Figure 3 – Test circuit for the verification of making and breaking capacities

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BS EN IEC 60947-6-1:2023 - TC
$280.87