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NETA MTS

Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems

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Organization: NETA
Publication Date: 1 January 2019
Status: active
Page Count: 283
scope:

The purpose of these specifications is to assure tested electrical equipment and systems are operational, are within applicable standards and manufacturer's tolerances, and are suitable for continued service. These specifications incorporate comprehensive field tests and inspections to assess the suitability for continued service, condition of maintenance, and reliability of electrical power distribution equipment and systems.

Equipment Addressed

Switchgear, Transformers, Cables, Switches, Circuit Breakers, Protective Relays, Rotating machinery, Motors, Batteries, Capacitors and reactors, Protective Reays and Instrument Transformers.

Revisions Includes

2019

  • Online Partial Discharge Survey forSwitchgear
  • Frequency of Power Systems Studies
  • Frequency of Maintenance Matrix
  • New Table 100.4.5 Suggested Limits forContinued Use of In-Service Natural Ester Liquids
  • New Table 100.6.4 DAC Test VoltageLevels (20 Hz to 500 Hz) as Used for Maintenance Testing (50 DAC excitations)of Repaired/Refurbished Power Cables
  • New Tables 100.23 Online PartialDischarge Survey for Switchgear

2015

  • New numbering system for more accuratereferencing
  • Protective Relays
  • Instrument Transformers
  • Rotating Machinery
  • New Table 100.11 Insulation ResistanceTest Values for Rotating Machinery for One Minute at 40deg C
  • Revised Table 100.1 InsulationResistance Test Values, Electrical Apparatus and Systems Other Than RotatingMachinery
  • Updated references to industry standards

The ANSI/NETA MTS Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems is a document that is used worldwide by individuals seeking to assure that the electrical power equipment and systems in their care operate reliably and safely in conformance with industry and manufacturer standards and tolerances.

Maintenance tests are those tests that allow the determination of whether or not the electrical equipment is suitable for safe and continued service.

When dealing with service-aged equipment, many criteria are used in determining what equipment is to be tested, at what intervals, and to what extent. Ambient conditions, availability of down time, and maintenance budgets are but a few of the considerations that go into the planning of a maintenance schedule. The owner must make many decisions each time maintenance is considered. It is the intent of the ANSI/NETA Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems to list a majority of the field tests available for assessing the suitability for continued service and reliability of the power distribution system. 

Document History

NETA MTS
January 1, 2019
Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems
The purpose of these specifications is to assure tested electrical equipment and systems are operational, are within applicable standards and manufacturer's tolerances, and are suitable for continued...
MTS
January 1, 2015
STANDARD FOR MAINTENANCE TESTING SPECIFICATIONS for Electrical Power Equipment and Systems
GENERAL SCOPE  Maintenance Testing Specifications Page 1 ANSI/NETA MTS-2015 1. These specifications cover the suggested field tests and inspections that are available to assess the suitability for...
MTS
January 1, 2011
Standard for Maintenance Testing Specifications
GENERAL SCOPE Maintenance Testing Specifications 1. These specifications cover the suggested field tests and inspections that are available to assess the suitability for continued service and...
MTS
January 1, 2007
Standard for Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems
GENERAL SCOPE Maintenance Testing Specifications 1. These specifications cover the suggested field tests and inspections that are available to assess the suitability for continued service and...
MTS
January 1, 2005
Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems
A description is not available for this item.
MTS
January 1, 2001
Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems
A description is not available for this item.
MTS
January 1, 1993
Maintenance Testing Specifications for Electric Power Distribution Equipment and Systems
A description is not available for this item.

References

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