Protective Elements
For each element the following characteristics are available:
DEFT (UMZ) –
Definite Time-Overcurrent
NINV (IEC/AMZ) –
IEC Normal Inverse
VINV (IEC/AMZ) –
IEC Very Inverse
LINV (IEC/AMZ) –
IEC Long Time Inverse
EINV (IEC/AMZ) –
IEC Extremely Inverse
MINV (ANSI/AMZ) –
ANSI Moderately Inverse
VINV (ANSI/AMZ) –
ANSI Very Inverse
EINV (ANSI/AMZ) –
ANSI Extremely Inverse
RINV –
R Inverse
RXIDG
Thermal Flat
IT
I2T
I4T
Explanation:
454
MRI4
DOK-HB-MRI4-2E
t = Tripping delay
t-char = Time multiplier/tripping characteristic factor . The setting range depends
on the selected tripping curve .
IG = Fault current
IG> = If the pickup value is exceeded , the module/element starts to time out to trip .
Summary of Contents for highprotec MRI4
Page 1: ...Manual Feeder Protection MRI4 Software Version 3 4 a DOK HB MRI4 2E Revision C English...
Page 43: ...Installation and Connection 43 MRI4 DOK HB MRI4 2E...
Page 46: ...Installation and Connection Ensure the correct tightening torques 46 MRI4 DOK HB MRI4 2E...
Page 69: ...Navigation Operation Navigation Operation 69 MRI4 DOK HB MRI4 2E 1 2 3 5 7 6 8 10 9...
Page 353: ...Device Parameters 353 MRI4 DOK HB MRI4 2E...
Page 373: ...373 MRI4 DOK HB MRI4 2E...