Issue Control P341/EN T/C22
MiCOM P341
Manual Issue D Amendments completed 09.12.2004
Doc
Ref. Section Page Description
AP 2.13.1 51
Calculation of required relay settings
Paragraph 3 : last sentence amended
AP 2.14 52
Restricted earth fault protection
Paragraph 5 : DDB information in 1st sentence amended
AP 2.14.1 53
High impedance restricted earth fault protection
Figure 13 : where k = 0.5 changed to where k = 1
AP 2.14.2
55
57
Setting guidelines for high impedance REF
1st equation on page amended
Sections last list changed from numbers 4 and 5 to
numbers 1 and 2
AP 2.15 60
Residual over voltage/neutral voltage
displacement protection
DDB information in paragraph before table amended
Data in table amended
61
Under voltage protection
Paragraph 4 : DDB information amended
Note added after 4th paragraph
AP 2.16 62 Data in table amended
63
Over voltage protection
Paragraph 4 : DDB information amended
AP 2.17
64
64
Note added after 4th paragraph
Data in table amended
AP 2.18 66
Under frequency protection
DDB information in 1st two sentences of paragraph before
table amended
AP 2.19 68
Over frequency protection function
DDB information in 1st two sentences of paragraph before
table amended
AP 2.20 69 - 73
Thermal overload protection
New section added
AP 2.21.2 75
Reset mechanisms for breaker fail timers
Data in 2nd table amended
Paragraph after 2nd table : 1st sentence amended and 3rd
sentence added
AP 2.22.1 76
Breaker fail timer settings
Data in table amended
Paragraph 2 : 1st sentence amended
AP 2.22.2 77
Breaker fail undercurrent settings
Figure 17 : CB fail logic diagram added
AP 4.1 79
Voltage transformer supervision (VTS)
Minor amendment in last paragraph
