
BE1-87G
Testing Differential:
Method 2
Set selector switch to D
Apply 1.0 amps to terminals 9-8 at 180
0
Apply 1.0 amps to terminals 6-8 at 0
0
and
ramp up
Relay should pick up at around 1.4 amps –
a difference of 0.4 amps
Emulates current flow through generator
increasing on neutral side and not on
terminal side
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