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IEEE C37.41 2016

IEEE C37.41 2016

$80.17

IEEE Standard Design Tests for High-Voltage (>1000 V) Fuses and Accessories

Published By Publication Date Number of Pages
IEEE 2016 141
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Revision Standard – Active. Required procedures for performing design tests for high-voltage fuses, as well as for fuse disconnecting switches, are specified. These design tests, as appropriate to a particular device, include the following test types: dielectric, interrupting, radio-influence, temperature-rise, time-current, manual-operation, liquid-tightness, theremal-cycle, bolt-torque, withstand tests for motor circuit fuses, expulsion fuses using polymeric insulators, load-break, and short-time current.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.41™-2016 Front Cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
7 Participants
8 Introduction
9 Contents
12 1. Overview
1.1 Scope
1.2 Purpose
13 1.3 Background
14 1.4 Description of fuse-enclosure packages (FEPs)
15 2. Normative references
3. Definitions
27 4. Normal (usual) and special (unusual) service conditions
4.1 General
4.2 Normal service conditions
28 4.3 Special service conditions
4.4 Altitude
29 5. Classifications, ratings, and characteristics
5.1 Classifications
5.2 Ratings
31 5.3 Characteristics
34 6. Required design (type) tests
6.1 General
35 6.2 Requirements for re-testing modified devices
36 6.3 Parallel fuses
6.4 FEP tests
6.5 Fuses fitted with an exhaust-control device
7. Common test requirements for all design tests
7.1 General
7.2 Test values
37 7.3 Testing responsibility
7.4 Test report
7.5 Test site conditions
38 7.6 Frequency and wave shape of test voltage
7.7 Devices to be tested
7.8 Acceptance criteria
39 7.9 Test-conductor dimensions
40 7.10 Mounting and grounding of the device for tests
42 8. Dielectric tests
8.1 Requirements common to all dielectric tests
43 8.2 Power-frequency dry-withstand voltage tests
44 8.3 Power-frequency wet-withstand voltage tests on outdoor devices
8.4 Power-frequency dew-withstand voltage tests on indoor devices
45 8.5 Lightning impulse withstand voltage tests
8.6 Fuses and fuse disconnecting switches used in FEPs
47 8.7 External fuses for shunt capacitors
9. Interrupting tests
9.1 Requirements common to all interrupting tests
50 9.2 Interrupting tests for expulsion fuses
60 9.3 Interrupting tests for current-limiting fuses
71 9.4 Interrupting tests for FEPs
76 9.5 Description of interrupting tests for external fuses for shunt capacitors
85 10. Radio-influence tests
10.1 Procedures common to all radio-influence tests
87 10.2 Description of radio-influence tests on a single device
10.3 Description of radio-influence tests on multiple devices
10.4 Description of radio-influence tests for assembled apparatus
11. Temperature-rise tests
11.1 Procedures common to all temperature-rise tests
88 11.2 Description of temperature-rise tests
11.3 Description of temperature-rise tests for air-insulated FEPs using expulsion indoor Class B fuses
89 12. Time-current tests
12.1 Procedures common to all time-current tests
91 12.2 Description of melting time-current tests
12.3 Description of clearing time-current tests
13. Manual-operation, thermal-cycle, and bolt-torque tests
13.1 General
92 13.2 Description of manual-operation tests
13.3 Description of thermal-cycle tests
93 13.4 Description of torque tests
14. Liquid-tightness tests for current-limiting fuses and FEPs
14.1 General
94 14.2 Description of liquid-tightness tests
98 15. Static-relief pressure tests for expulsion fuses that use expendable caps
99 16. Lightning surge impulse withstand test for fuse links
16.1 General
16.2 Test sample
16.3 Arrangement of the equipment
16.4 Test procedure
16.5 Acceptance criteria
100 17. Withstand tests for fuses intended for motor circuit applications
17.1 General
17.2 Withstand requirements
17.3 Withstand tests
103 18. Tests for expulsion fuses having cutout fuse supports utilizing polymeric insulators
18.1 Mechanical tests
105 18.2 Environmental tests
108 18.3 Water penetration and void tests
109 18.4 Interrupting tests at temperature extremes
111 Annex A (normative) Test requirements for additional devices
A.1 Definitions
113 A.2 Expulsion fuses
122 A.3 Current-limiting fuses—motor-starter fuses (historical)
124 A.4 Short-time withstand current tests for disconnecting switches
127 A.5 Load-break tests
128 Annex B (informative) Recommended methods for determining the value of a sinusoidal current wave and a power-frequency recovery voltage
B.1 Current waves
129 B.2 Power-frequency recovery voltage
131 Annex C (informative) Recommended method of determining the equivalent steady-state rms current for plotting time-current curves
132 Annex D (informative) Simplified fault-current calculation
134 Annex E (informative) Transient recovery voltage (TRV) parameters
E.1 Test circuits
135 E.2 Measurement of peak factor
138 Annex F (normative) Criteria for determining It testing validity for current-limiting fuses
F.1 Introduction
F.2 Interrupting processes
140 Annex G (informative) Bibliography
141 Back Cover

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IEEE C37.41 2016
$80.17