Insulation Resistance Test Standard Pdf

Insulation resistance testing is a non destructive test procedure.

Insulation resistance test standard pdf.

Dielectric testing and insulation resistance measurement. Standards ieee std 43 2000 recommended practice for testing insulation resistance of rotating machines and other. Dielectric strength testing also called breakdown testing measures an insulation s ability to withstand a medium duration voltage surge without sparkover occurring. Power cables with extruded insulation and their accessories for rated voltages from 1 kv um 1 2 kv up to 30 kv um 36 kv part 1.

The test measures the insu lation resistance between the phases and or between phase and ground. The international electrical testing association neta specification maintenance testing specifications for electrical power distribution equipment and. Historically many field electricians use the somewhat arbitrary standard of 1 megohm per kv. With a little record keeping and common sense however you can get a good picture of the insulation condition from values that are only relative.

Quickly perform advanced insulation resistance testing. And its reasonable price makes it an excellent value. Time resistance testing method this method is fairly independent of temperature and often. See the site fixed equipment for measurement and testing of electrical networks energy management and optimization systems.

Insulation resistance testing purpose. Its handy size makes it easy to pack and use. Insulation resistance decreases in temperature or moisture. Portable measurement equipment in a wide variety of fields.

Since 1989 revised editions of the acceptance testing specifications have been published in 1991 1995 1999 2003 and 2007. In reality this voltage surge may be due to lightning or the induction caused by a fault on a. Insulation resistance testing of low voltage cables in the field. Testing and inspection environmental measurements laboratory instrumentation power and energy.

The document uses the standard numbering system of ansi and ieee. The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms. Also acceptable values of insulation resistance depend upon the equipment you re testing.