Measure current circuit burdens at transformer terminals. When applicable, perform insulation-resistance tests on the primary winding with the secondary grounded. Test voltages shall be in accordance with Table When applicable, perform dielectric withstand tests on the primary winding with the secondary grounded.

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Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity.

Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard in the name of the American National Standards Institute.

Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute.

Centre Ave. Qualifications of Testing Organization and Personnel 3. Charles K. Blizard, Sr. Timothy J. Cotter Diane W. Hageman Roderic L. Hageman Ralph Patterson Alan D. Electric Power Systems, Inc.

Elemco Testing Co. High Energy Electrical Testing, Inc. High Voltage Maintenance Corp. HMT, Inc. Industrial Electric Testing, Inc. Nationwide Electrical Testing, Inc. North Central Electric, Inc. Northern Electrical Testing, Inc. Power Engineering Services, Inc. Power Plus Engineering, Inc. Power Services, Inc.

Power Systems Testing Co. Powertech Services, Inc. Reuter and Hanney, Inc. Shermco Industries, Inc. Sigma Six Solutions, Inc. Taurus Power and Controls, Inc. Tony Demaria Electric, Inc. Utilities Instrumentation Service, Inc. This document is subject to periodic review, and users are cautioned to obtain the latest edition. Comments and suggestions are invited from all users for consideration by the Association in connection with such review. Any such suggestions will be fully reviewed by the Association after giving the commenter, upon request, a reasonable opportunity to be heard.

This document should not be confused with federal, state, or municipal specifications or regulations, insurance requirements, or national safety codes. While the Association recommends reference to or use of this document by government agencies and others, use of this document is purely voluntary and not binding.

NETA developed specifications for the acceptance of new electrical apparatus prior to energization and for the maintenance of existing apparatus to determine its suitability to remain in service. Since , several revisions of the Maintenance Specifications have been published; in the NETA Technical Committee, with approval of the Board of Directors, set a four-year review and revision schedule.

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Kazrajind The units going over the road many times a year resulted in a huge number of failures, both nuisance trips and failure to trip. Ansi-neha, here is the issue with NETA tests, they require the breaker to be opened and removed from service to test trip times, znsi-neta does not represent andi-neta real world condition. Maintenance, tests, and inspections shall be documented. The second variety can only be really tested by putting large and very inconvenient amounts of current through them. The scary part, though, is that I have been in the electrical testing biz since and had a NETA Level IV certification before changing to the present job. Arc flash is concerned with the interruption time which includes the arcing time within the interrupter. Still go into a lot of facilities where regular testing and maintenance is not being done, some figure a label warning of arc flash hazard is enough and it is the mts problem to figure it out.

DHS 6155 PDF

NETA MTS 2007 - Instrument Transformer Testing





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