Sepam™ Capacitor Applications
Sepam Capacitor Applications
 C86 |
Busbar protection is broken into two sections Basic and Advanced. The Basic protection is covered with our Sepam B22 protection relay and handles voltage and frequency protectoin. The Advanced protection is covered with the Sepam B80/B83 and covers current, voltage, frequency, and synchro check protection functions. .
Advanced Protection Relay (C86 – Sepam 80 Series)
Typical Part Number: SQ1C86P1J5A0B0 Series 80 - Transformer Protection S84 (24-250Vdc), mimicBus Graphical Display, 1/5A CT inputs, 14In/11Out Digital Module (110-125Vdc/mid p.u.), 2 x RJ-45 ports (Modbus or IEC61850 with GOOSE), ladder logic firmware (PLC base).
Features
|
Feature |
C86 |
|
|---|---|---|
|
Current Protection |
● |
|
|
Built in CB Control |
● |
|
|
Built in protection and control for Capacitors, up to 4 steps |
● |
|
|
Native Zone Selective Interlocking |
● |
|
|
Waveform Captures |
● |
|
|
Event Records |
● |
|
|
Voltage Protection |
● |
|
|
Frequency Protection |
● |
|
|
Field Expandable Communications |
● |
|
|
Native Automatic Throw over Scheme |
● |
|
|
Field expandable I/O |
● |
|
|
Ladder Logic PLC custom programming (optional) |
● |
|
|
Mimic-bus graphical display (optional) |
● |
|
|
Onboard data logging |
● |
|
|
Communications options |
Modbus RTU |
● |
|
DPN |
● |
|
|
Modbus TCP/IP |
● |
|
|
IEC61850–MMS + GOOSE |
● |
|
|
ANSI Device Number |
Description |
C86 |
|---|---|---|
|
27 |
Phase-to-phase undervoltage |
● |
|
27D |
Positive sequence undervoltage |
● |
|
27R |
Remnant Undervoltage |
● |
|
27S |
Phase-to-neutral undervoltage |
● |
|
38 |
Bearing Temperature |
● |
|
46 |
Negative Sequence Current/Unbalance |
● |
|
47 |
Negative Sequence undervoltage |
● |
|
49 |
Thermal Overload |
● |
|
49T |
RTD Monitoring |
● |
|
50BF |
Breaker Failure |
● |
|
50 |
Instantaneous Phase Overcurrent |
● |
|
50G |
Instantaneous Ground Overcurrent (Measured) |
● |
|
50N |
Instantaneous Ground Overcurrent (Calculated) |
● |
|
51 |
Time Phase Overcurrent |
● |
|
51C |
Capacitor Bank Unbalance |
● |
|
51G |
Time Ground Overcurrent (Measured) |
● |
|
51N |
Time Ground Overcurrent (Calculated) |
● |
|
59 |
Phase-to-phase overvoltage |
● |
|
59N |
Neutral Voltage Displacement |
● |
|
81H |
Overfrequency |
● |
|
81L |
Underfrequency |
● |