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IEEE C37.30.3-2018

IEEE C37.30.3-2018

$32.50

IEEE Standard Requirements for High-Voltage Interrupter Switches, Interrupters, or Interrupting Aids Used on or Attached to Switches Rated for Alternating Currents Above 1000 V

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IEEE 2018
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New IEEE Standard – Active. Requirements for interrupter switches, interrupters or interrupting aids used on or attached to switches rated for high-voltage ac above 1000 V and used indoors, outdoors, or in enclosures for non-fault current interrupting for which an interrupting duty is assigned are covered in this standard. It includes preferred ratings, construction, application, loading, installation, and operation and maintenance guidelines. This standard does not apply to load-break separable insulated connectors, circuit breakers, circuit switchers, metal enclosed switchgear, pad-mounted switchgear, reclosers, sectionalizers or other switching devices that are covered by other IEEE standards.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.30.3™-2018 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
7 Participants
9 Introduction
10 Contents
12 1. Overview
1.1 Scope
1.2 Purpose
2. Normative references
13 3. Definitions
14 4. Normal (usual) and special (unusual) service conditions
4.1 General
4.2 Normal (usual) service conditions
15 4.3 Special (unusual) service conditions
5. Ratings
5.1 Ratings
16 5.2 Rated maximum voltage (V) or (Ur)
17 5.3 Rated insulation level (Ud), (Up)
5.4 Rated power-frequency (fr)
5.5 Rated continuous (normal) current (Ir)
19 5.6 Rated short-time withstand current (Ik)
5.7 Rated peak withstand current (Ip)
20 5.8 Rated short-time (symmetrical) withstand current duration (tk)
5.9 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua)
5.10 Rated supply frequency of closing and opening devices and of auxiliary circuits
5.11 Rated pressure of compressed gas supply for insulation and/or operation
5.12 Rated filling levels for insulation and/or operation
5.13 Rated switching duties
22 5.14 Visible corona-free voltage
5.15 Radio influence voltage limit
5.16 Rated ice breaking ability
5.17 Rated mechanical endurance
5.18 Rated mechanical terminal load
5.19 Rated closing time (for power operated switches)
5.20 Rated operating duty cycles
23 5.21 Rated fault-making current
24 5.22 Capacitance switching transient overvoltage ratio
5.23 Rated differential capacitance voltage range
6. Design and construction
6.1 General
6.2 Requirements for liquids in switches
6.3 Requirements for gases in switches
6.4 Grounding provisions
6.5 Auxiliary and control equipment
25 6.6 Dependent power operation
6.7 Stored energy operation
6.8 Independent manual operation
6.9 Operation of releases
6.10 Low- and high-pressure interlocking and monitoring devices
6.11 Nameplate markings
6.12 Interlocking devices
6.13 Position indicator
6.14 Degrees of protection by enclosures
6.15 Creepage distances for outdoor insulators
6.16 Gas and vacuum tightness
26 7. Design (type) tests
7.1 Design (type) tests
7.2 Electromagnetic compatibility tests
7.3 Additional tests on auxiliary and control circuits
7.4 X-Radiation procedure for vacuum interrupters
8. Production tests (routine tests)
8.1 General
8.2 Dielectric withstand test; one minute dry power-frequency
27 8.3 Dielectric test on auxiliary and control circuits
8.4 Measurement of the resistance of the main circuit
8.5 Tightness Tests
8.6 Design and visual checks
28 Annex A (informative) Bibliography
30 Back cover

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IEEE C37.30.3-2018
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