IEEE DRAFT C37.30 : D8 DEC 96
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
STANDARD REQUIREMENTS FOR HIGH VOLTAGE SWITCHES
05-03-1998
12-01-2013
1.0 OVERVIEW
2.0 REFERENCES
3.0 DEFINITIONS
4.0 SERVICE CONDITIONS
4.1 Usual Service Conditions
4.2 Unusual Service Conditions
5.0 RATINGS
5.1 Rated Maximum Voltage
5.2 Rated Dielectric Withstand Voltages
5.3 Rated Power Frequency
5.4 Rated Continuous Current
5.4.1 Allowable Continuous Current
5.4.2 Loadability
5.4.3 Switch Part Class Designation
5.4.4 Allowable Continuous Current Class
(ACCC) Designation
5.4.5 Observable Temperance Rise
5.4.6 Limits of Observable Temperature
5.5 Rated Peak Withstand and Short-Time (Symmetrical)
Withstand Current
5.5.1 Rated Peak Withstand Current
5.5.2 Rated Short-Time (Symmetrical)
Withstand Current
5.6 Rated Making Current
5.6.1 Rated Load Making Current
5.6.2 Rated Fault Making Current
5.7 Limit of Corona and Radio Influence Voltage
5.8 Rated Closing Time (for power operated
switches)
5.9 Rated Ice-Breaking Ability
5.10 Rated Mechanical Operations
5.11 Rated Mechanical Terminal
5.12 Rated Load Interrupting
5.13 Ratings for Switching Shunt Capacitance
5.13.1 Rated Interrupting Current Single
Capacitance
5.13.2 Rated Switching Current, Parallel
Connected Capacitance
5.13.3 Rated Differential Capacitance
Voltage (Maximum)
5.13.4 Rated Differential Capacitance
Voltage (Minimum)
5.13.5 Rated Capacitance Switching Transient
Overvoltage Ratio
5.14 Rated Unloaded Transformer Interrupting
Current
5.15 Expected Switching Endurance
5.15.1 Load-Interrupter Switch
5.15.2 Fault-Initiating Switch
6.0 TEST PROCEDURE
7.0 NAMEPLATE MARKINGS
7.1 General
7.2 Interrupter Switches
7.3 Fault-Initiating Switches
TABLES
1 Altitude Correction Factors
2 Switch Ratings
3 Temperature Limitations for Switches
Applies to all high-voltage enclosed indoor or outdoor, and nonenclosed indoor or outdoor air switches rated in excess of 1000 V. Includes such switch types as disconnecting, selector, horn-gap, grounding, etc., for manual or power operation, except the following: distribution enclosed single-pole air switches and distribution cutouts fitted with disconnecting blades.
| DocumentType |
Draft
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy |
| IEEE C37.32-2002 | American National Standard for High Voltage Switches, Bus Supports, and Accessories Schedules of Preferred Ratings, Construction Guidelines, and Specifications |
| IEEE C37.37-1996 | IEEE Loading Guide for AC High-Voltage Air Switches (in Excess of 1000 V) |
| IEEE C37.34-1994 | IEEE Standard Test Code for High-Voltage Air Switches |
| IEEE C37.36b-1990 | IEEE Guide to Current Interruption with Horn-Gap Air Switches |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.