Megger testing procedures
Megger testing procedures
(OP)
Hi,
I've been asked to find an IEEE or equivalent test procedure for meggering from the T-leads in an MCC cubicle to the motor in the field. Any help would be much appreciated.
Ben
I've been asked to find an IEEE or equivalent test procedure for meggering from the T-leads in an MCC cubicle to the motor in the field. Any help would be much appreciated.
Ben






RE: Megger testing procedures
RE: Megger testing procedures
Benjamin Lanz
Vice Chair of IEEE 400
Sr. Application Engineer
IMCORP- Power Cable Reliability Consultants
RE: Megger testing procedures
.
.
.
.
Start each day off with a smile
,,, then you've at least that much out of the way!
RE: Megger testing procedures
Scott Peterson
Training Manager
Power Plus Engineering
www.epowerplus.com
RE: Megger testing procedures
IEEE STANDARD 43-1974 (29) ACCEPTANCE CRITERION FOR INSULATION
For Rotating Equipment
•IR is equal to or greater than 1 Megohm plus rated equipment KV.
MEGGER
IEE STANDARD NO. 43.1974
ACCEPTANCE CRITERION:
•IR IS EQUAL TO OR GREATER THAN 1 MEGOHM + RATED KV.
MOTOR RATING VOLTAGE DC MEGOHMETER (Test Voltage)
460/575 500 or 1000
2300/2400 1000 or 2500
4000/41602 2500
6600/6900 5000
POLARIZATION INDEX
PI = IR Measurement at 10 minutes
(Divided by)IR Measurement at 1 minute
ACCEPTANCE CRITERION:
Usually 2
IEEE STANDARDS: 690-1984(1), 422-1986(43), 43-1974 (29)
(for cable Insulation testing)
RE: Megger testing procedures
Kind regards,
-Ben
Benjamin Lanz
Vice Chair of IEEE 400
Sr. Application Engineer
IMCORP- Power Cable Reliability Consultants
RE: Megger testing procedures