IEEE C37.34 1995

$56.88

IEEE Standard Test Code for High-Voltage Air Switches

Published By	Publication Date	Number of Pages
IEEE	1995	38

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Description

Revision Standard – Active. Design test requirements for all high-voltage enclosed indoor and outdoor and non-enclosed indoor and outdoor air switches rated above 1000 V are specified. This includes requirements for such switches as disconnecting, selector, horn-gap, grounding, interrupter, etc., for manual and power operation, except for distribution-enclosed single-pole air switches and distribution cutouts fitted with disconnecting blades.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction
4	Participants
7	CONTENTS
9	1. Overview 1.1 Scope 1.2 References
10	2. Definitions
11	3. Design tests 4. Dielectric withstand voltagte tests 4.1 Power-frequency withstand voltage tests
12	4.2 Lightning impulse dry withstand voltage tests
14	4.3 Power frequency and lightning impulse open gap withstand voltage test
15	4.4 Switching-impulse voltage tests of extra-high-voltage switches
18	5. Radio-influence and corona tests 5.1 Simultaneous tests 5.2 Radio-influence tests
19	5.3 Corona tests
21	6. Temperature rise test 6.1 General 6.2 Mounting 6.3 Switch connections
23	6.4 Method of temperature determination 6.5 Ambient temperature during test 6.6 Measurement of ambient temperature
24	6.7 Duration of temperature rise test 6.8 Criteria for acceptance 7. Switch performance tests 7.1 Conditions of test 7.2 Ambient temperature during test
25	7.3 Duration of switch performance test 7.4 Criteria for acceptance 8. Tests for peak withstand and short-time (symmetrical) withstand current ratings 8.1 Equipment 8.2 Mounting 8.3 Switch connections
26	8.4 Test durations 8.5 Measurement of current 8.6 Condition of switch after test 9. Interrupting tests 9.1 Load current interrupting tests
27	9.2 Excitation current interrupting tests 9.3 Capacitive current switching tests
29	9.4 Condition of switch after test
30	10. Ice tests 10.1 General 10.2 Study of ice formation 10.3 Test methods
31	10.4 Test conditions
32	10.5 Test procedure
33	10.6 Criteria for acceptance 11. Mechanical operations test 11.1 General
34	11.2 Test arrangement 11.3 Test procedure
35	11.4 Criteria for acceptance
36	Annex A—Background information
38	Annex B—Bibliography