Cooper Lighting Low Impedance Bus Differential Relay M-LIB3 Manual De Usuario

M-LIB3 Low Impedance Bus Differential Relay

2

1   General utilization and commissioning directions_______________________________________________________ 3

1.1 

Storage and transportation______________________________________________________________________ 3

1.2 

Installation___________________________________________________________________________________ 3

1.3 

Electrical connection___________________________________________________________________________ 3

1.4 

Measuring inputs and power supply_______________________________________________________________ 3

1.5 

Outputs loading_______________________________________________________________________________ 3

1.6 

Protection earthing_____________________________________________________________________________ 3

1.7 

Setting and calibration__________________________________________________________________________ 3

1.8 

Safety protection______________________________________________________________________________ 3

1.9 

Handling____________________________________________________________________________________ 3

1.10  Maintenance_________________________________________________________________________________ 4
1.11  Fault detection and repair_______________________________________________________________________ 4

2   General characteristics and operation________________________________________________________________

2.1

Modular Low Impedance Bus Bar Protection M-LIB3__________________________________________________ 5

2.2

Main features_________________________________________________________________________________ 5

2.3

Component Modules___________________________________________________________________________ 5

2.3.1

M-BF3 = Income/Feeder Breaker input module (SCE1577)________________________________________ 5

2.3.2

M-BC3 = Bus coupler / sectionalizer module (SCE1578)__________________________________________ 6

2.3.3

M-LID3 =Numerical biased protection relay____________________________________________________

6

2.4

F/C Rack Panel_______________________________________________________________________________ 7

2.5

Accessoeries_________________________________________________________________________________ 8

2.5.1

CF1- Cable with female plug________________________________________________________________ 8

2.5.2

CFM – Interconnection cable with Male an Female plugs__________________________________________ 9

2.6

Technical Data________________________________________________________________________________ 10

2.7

Current Transformer Requirements________________________________________________________________ 10

3   Apparatus Configuration____________________________________________________________________________ 11

3.1

Single-Line Diagram____________________________________________________________________________ 12

3.2

Application example____________________________________________________________________________ 13

4   Feeder Input Module M-BF3__________________________________________________________________________ 15

4.1

Wiring diagram M-BF3__________________________________________________________________________ 17

5   Feeder Input Module M-BC3__________________________________________________________________________ 18

5.1

Wiring diagram M-BC3__________________________________________________________________________ 20

6   Digital Low Impedance Differential Protection Relay M-LID3_______________________________________________ 21

6.1

General Characteristic__________________________________________________________________________ 22

6.2

Power Supply_________________________________________________________________________________ 22

6.3

Measurements Acquisition and Operation Principle____________________________________________________22

6.4

Operation of the Biased Differential elements________________________________________________________ 23

6.5

Control and Measurements______________________________________________________________________ 25

6.6

Measurements Acquisition and Operation Principle___________________________________________________ 26

6.7

Output relays_________________________________________________________________________________ 27

6.8

Serial Communication__________________________________________________________________________ 27

6.9

Oscillography Records__________________________________________________________________________ 27

6.10 Digital Input__________________________________________________________________________________ 27
6.11 Test________________________________________________________________________________________ 28
6.12 Keyboard and Display Operation__________________________________________________________________ 28
6.13 Reading of Measurements and Recorded  Parameters_________________________________________________ 29

6.13.1 Actual Measurements (ACT. MEAS)__________________________________________________________ 29
6.13.2 Max Value (MAX.VAL)_____________________________________________________________________ 29
6.13.3 Last Trip (LASTTRIP)______________________________________________________________________ 29
6.13.4 Trip Number (TRIP NUM)___________________________________________________________________ 29

6.14 Reading of Programmed Setting and Relay’s Configuration_____________________________________________ 30
6.15 Programming_________________________________________________________________________________ 30

6.15.1 Programming of functions settings____________________________________________________________ 30
6.15.2 Programming the configuration of output relays__________________________________________________ 31

6.16 Manual and Automatic Test Operation______________________________________________________________ 32

6.16.1 Mode “TESTPROG ” subprogram “W/O TRIP ”__________________________________________________ 32
6.16.2 Mode “TESTPROG ” subprogram “WithTRIP ”___________________________________________________ 32

6.17 Maintenence__________________________________________________________________________________ 32
6.18 Clock and Calendar____________________________________________________________________________ 33

6.18.1 Clock synchronization______________________________________________________________________ 33
6.18.2 Date and time setting______________________________________________________________________ 33
6.18.3 Time resolution___________________________________________________________________________ 33
6.18.4 Operation during power off__________________________________________________________________ 33
6.18.5 Time tolerance___________________________________________________________________________ 33

6.19 Wiring Diagram M-LID3_________________________________________________________________________ 34
6.20 Electrical Characteristics________________________________________________________________________ 35