Question
Download Solution PDFThe minimum insulation resistance value for a system running at a maximum voltage of 250 V is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFDifferent Insulation resistance (IR) Values for Electrical Apparatus & Systems are given below:
|
Maximum Voltage Rating of Equipment |
Megger size |
Minimum IR value |
|
250 volts |
500 volts |
25 MΩ |
|
600 volts |
1000 volts |
100 MΩ |
|
5 kV |
2500 volts |
1000 MΩ |
|
8 kV |
2500 volts |
2000 MΩ |
|
15 kV |
2500 volts |
5000 MΩ |
|
25 kV |
5 kV |
20,000 MΩ |
|
35 kV |
15 kV |
100,000 MΩ |
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