ANSI C37.55 : 1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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MEDIUM VOLTAGE METAL-CLAD ASSEMBLIES - CONFORMANCE TEST PROCEDURES
Hardcopy , PDF
05-05-2020
English
01-01-1989
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Foreword
1 Overview
1.1 Scope
1.2 Control and instrumentation components - protection
requirements
1.3 Installations not covered
1.4 Purpose
2 Referenced and related standards
2.1 Referenced standards
2.2 Related standards
3 Definitions
3.1 Design tests (type tests)
3.2 Production tests (routine tests)
3.3 Conformance tests
4 General test conditions
4.1 Ambient conditions
4.2 Protection requirements
4.2.1 General
4.2.2 Control power transformers
4.2.3 Voltage transformers
5 Conformance test requirements
5.1 General
5.2 Test requirements
5.3 Test arrangements
5.4 Commonalities of design and tests
5.5 Dielectric tests
5.5.1 General
5.5.2 Power-frequency withstand voltage tests
5.5.3 Lighting impulse withstand tests
5.6 Mechanical performance tests
5.6.1 Removable circuit beaker
5.6.2 Drawout control power transformer or drawout
fuses
5.6.3 Drawout voltage transformer
5.6.4 Performance
5.7 Continuous current test
5.7.1 Temperature
5.7.2 Temperature measuring devices
5.7.3 Measurement of ambient air temperature
5.7.4 Conductors for use in continuous current tests
5.7.5 Performance
5.8 Short-time withstand current test
5.8.1 Description of tests
5.8.2 Test-circuit conditions
5.8.3 Performance
5.9 Momentary withstand current test
5.9.1 Description of tests
5.9.2 Test duration
5.9.3 Test-circuit conditions
5.9.4 Performance
6 MC switchgear components
6.1 Accessory devices
6.1.1 General accessory devices
6.1.2 Housing-mounted accessory devices
6.1.3 Mechanical accessory devices
6.2 Extension of conformance test results to other
arrangements
6.2.1 Dielectric criteria
6.2.2 Continuous current criteria
6.2.3 Short-circuit-current-carrying criteria
6.2.4 Momentary current withstand criteria
6.3 Isolating switches
6.4 Drawout interrupter switches
7 Enclosure conformance tests
7.1 Category A test requirements
7.1.1 Test terms
7.1.2 Test equipment
7.1.3 Tests
7.1.4 Test values
7.2 Category B test requirements
7.3 Category C test requirements
8 Treatment of failures
9 Production tests
9.1 Power-frequency withstand voltage tests
9.2 Mechanical operation tests
9.3 Grounding of instrument transformer cases test
9.4 Electrical operation and wining tests
9.4.1 Control wiring continuity
9.4.2 Control wiring insulation test
9.4.3 Polarity verification
9.4.4 Sequence tests
10 Retesting
Tables
Figures
Appendix A
Defines selected tests to demonstrate conformance with ANSI/IEEE C37.20.2.
| DocumentType |
Standard
|
| Pages |
35
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Superseded
|
| SupersededBy |
| IEEE C37.121-2012 | GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS |
| CSA C22.2 No. 253 : 2016 | MEDIUM-VOLTAGE AC CONTACTORS, CONTROLLERS, AND CONTROL CENTRES |
| IEEE C37.20.2-2015 | IEEE Standard for Metal-Clad Switchgear |
| ANSI C37.57 : 1990 | SWITCHGEAR - METAL-ENCLOSED INTERRUPTER SWITCHGEAR ASSEMBLIES - CONFORMANCE TESTING |
| ANSI C37.58 : 1990 | INDOOR AC MEDIUM-VOLTAGE SWITCHES FOR USE IN METAL-ENCLOSED SWITCHGEAR - CONFORMANCE TEST PROCEDURES |
| ANSI C37.54 : 1996 | FOR INDOOR ALTERNATING CURRENT HIGH-VOLTAGE CIRCUIT BREAKERS APPLIED AS REMOVABLE ELEMENTS IN METAL-ENCLOSED SWITCHGEAR ASSEMBLIES - CONFORMANCE TEST PROCEDURES |
| NEMA SG 5-1995 | POWER SWITCHGEAR ASSEMBLIES |
| UL 1008A:2ED 2017-09-05 | Transfer Switch Equipment, Over 1000 Volts |
| CSA C22.2 NO. 178.3:17 | Transfer switch equipment, over 1000 volts (Binational standard with UL 1008A) |
| IEEE C37.121-2012 REDLINE | IEEE Guide for Switchgear - Unit Substation - Requirements |
| ANSI C37.57 : 1990 | SWITCHGEAR - METAL-ENCLOSED INTERRUPTER SWITCHGEAR ASSEMBLIES - CONFORMANCE TESTING |
| IEEE C37.26-2014 | IEEE Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits |
| NEMA SG 6:2000 | POWER SWITCHING EQUIPMENT |
| IEEE C37.20.2-2015 | IEEE Standard for Metal-Clad Switchgear |
| ANSI C37.58 : 1990 | INDOOR AC MEDIUM-VOLTAGE SWITCHES FOR USE IN METAL-ENCLOSED SWITCHGEAR - CONFORMANCE TEST PROCEDURES |
| IEEE 4-2013 | IEEE Standard for High-Voltage Testing Techniques |
| ASTM D 2303 : 2013 | Standard Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials |
| IEEE C37.20.4-2013 REDLINE | IEEE Standard for Indoor AC Switches (1 kV to 38 kV) for Use in Metal-Enclosed Switchgear |
| ANSI C37.54 : 1996 | FOR INDOOR ALTERNATING CURRENT HIGH-VOLTAGE CIRCUIT BREAKERS APPLIED AS REMOVABLE ELEMENTS IN METAL-ENCLOSED SWITCHGEAR ASSEMBLIES - CONFORMANCE TEST PROCEDURES |
| ASTM D 790 : 2017 : REDLINE | Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials |
| IEEE C37.06-2009 | AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS - PREFERRED RATINGS AND RELATED REQUIRED CAPABILITIES |
| IEEE C37.09-1999 | IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis |
| NEMA LI 6:1993(R2005) | Relative Temperature Indices of Industrial Thermosetting Laminates |
| ASTM D 648 : 2016 | Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position |
| ASTM D 257 : 2014 : REDLINE | Standard Test Methods for DC Resistance or Conductance of Insulating Materials |
| NEMA LI 1 : 1998(R2011) | INDUSTRIAL LAMINATED THERMOSETTING PRODUCTS |
| IEEE C37.04-1999 | IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers |
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