GE P442 - Page 618

P44x/EN VH/H
b6 Hardware / Software-
Version
(VC) 16
-14
MiCOM P40 Agile P442, P444
Relay type: P441, P442, P444
Software
version
Hardware
version
Model
number
Date of
issue
Full Description of changes S1 Compatibility
Branch D1.x :
Idem D3.x with modified or new features (cells and DDB)
D4.0
K
for P442
for P444
55
2011
The following features are modified:
- addition of trip reset for Zero sequence power (IDMT/DT)
- I0 threshold and DEF algorithm operation,
- delta direction decision during delta phase selection,
- forward zone decision during reverse phase operation,
- zone decision when a double fault occurs,
- phase selection, zone decision and global convergence after a double fault,
- thermal overload deactivation,
- Current measurement offset with NCIT module,
- synchro check calculation (with IEC61850-9-2 module)
- LED reset after 1P A/R or 3P A/R,
- PAP when distance protection is disabled,
- improvement of phase selection with fast decision,
- bit transmission in the IEC61850 model,
The following features are added:
- Read Only Mode compliant with the Px4x range,
- Set/Reset latch gate logic compliant with the Px4x range
- DNP for SSE integration note compliant with the Px4x range
- IEC61850 compliance with the Px4x range
- Select-Before-Operate control function interlocking facilities in the
IEC 60870-5-103 protocol,
- new setting time-delay in the DEF protection,
- IEC61850 and RS 485 IEC60870-5-103 comms
- Control input, relays and LEDs state stored in the RAM.
V3.1 (S1 Studio)
D4.1
The following features are modified:
- IEC61850-8-1 phase 2.1 comms reports issues
- SBO support for CS103 protocol.
D4.2
The following features are modified:
- “Latched alarm” reset DDB for IEC61850,
- DNP3 group change command