Insulation Resistance Test Procedure Pdf

Ieee standard 43 2000 recommended practice for testing insulation resistance of rotating machines recommends the insulation test voltage to apply based on winding rating and minimum acceptable values for electric motor windings.

Insulation resistance test procedure pdf.

Z 2 electrical insulation testing all electrical installations and equipment comply with insulation resistance specifications so they can operate safely. The test measures the insu lation resistance between the phases and or between phase and ground. 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. Insulation resistance testing of low voltage cables in the field.

It is commonly used in the industry for acceptance testing prior to energizing the cable and for maintenance testing programs. Insulation resistance testing should be done by qualified personnel familiar with both insulation resistance testing and with the safe operation of the test equipment. Insulation resistance testing is a non destructive test procedure. Insulation resistance testing guide.

Consult the insulation resistance test equipment manual or manufacturer for insulation resistance testing procedures and recommended safety guidelines. Insulation resistance testing purpose. Insulation resistance decreases in temperature or moisture. Insulation resistance testing introduction.

The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms.