Setting Guidelines - ABB Relion REC670 Applications Manual

Section 12
Secondary system supervision
and energisation-check function. These functions might mal-operate if there is an incorrect
measured voltage due to fuse failure or other kind of faults in voltage measurement circuit.
VDSPVC is designed to detect fuse failures or faults in voltage measurement circuit based on
comparison of the voltages of the main and pilot fused circuits phase wise. VDSPVC output
can be configured to block voltage dependent protection functions such as high-speed
distance protection, undervoltage relays, underimpedance relays and so on.
IEC12000143 V1 EN-US
Figure 87: Application of VDSPVC
12.3.3

Setting guidelines

The parameters for Fuse failure supervision VDSPVC are set via the local HMI or PCM600.
The voltage input type (phase-to-phase or phase-to-neutral) is selected using
ConTypePilot parameters, for main and pilot fuse groups respectively.
and
The settings
UBase . Set UBase to the primary rated phase-to-phase voltage of the potential voltage
222
The connection type for the main and the pilot fuse groups must be consistent.
Ud>MainBlock , Ud>PilotAlarm and USealIn are in percentage of the base voltage,
L1 L2 L3
Main Vt circuit
IED
FuseFailSupvn
IEC12000143-1-en.vsd
1MRK 511 358-UEN A
GUID-0D5A517C-1F92-46B9-AC2D-F41ED4E7C39E v1
GUID-52BF4E8E-0B0C-4F75-99C4-0BCB22CDD166 v2
GUID-0B298162-C939-47E4-A89B-7E6BD7BEBB2C v2
ConTypeMain
Application manual