Microelettrica Scientifica MC2-30V User Manual

63 pages

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MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

MICROPROCESSOR

THREE PHASE VOLTAGE PROTECTION RELAY

WITH

ISLANDING DETECTION

TYPE

“MC2-30V”

OPERATION MANUAL

Table of Contents2
General Utilization and Commissioning Directions5
Storage and Transportation5
Installation5
Electrical Connection5
Measuring Inputs and Power Supply5
Outputs Loading5
Protection Earthing5
Setting and Calibration5
Safety Protection5
Handling5
General6
Power Supply6
Front Panel6
Keyboard and Display7
Display7
Icons of Display8
Signalization9
Leds Manual Reset9
Display of the Last Trip9
Leds Configuration10
Name11
Link Enable11
Status11
Light Prog11
Funct. Mode11
Functions11
Example: Change Settings for "Led113
Link Enable13
Flashing13
Funct.mode14
Functions14
User Variables15
Name15
User Descr15
Linked Functions15
Oplogic15
Timer15
Timer Type15
Extra15
Logical Status15
Example: Setting "User Variable15
User Description" (User Descr.)16
Linked Functions16
Operation Logic" (Oplogic)17
Timer17
Timer Type18
Extra18
Local Commands19
Measure20
Maximum Values20
Trip Recording21
Partial Counters23
Total Counters24
Events25
Events on Display26
System (System Parameters)27
Settings28
Modifying the Setting of Variables29
Password30
Menu: Communic. (Communication)31
Description of Variables31
Front Panel USB Serial Communication Port (RS232)31
Cable for Connection from Relay to Personal Computer31
Main Serial Communication Port (RS485)31
Menu: Customise (Human Machine Interface)32
Description of Variables32
Function: Filesys (File System and Disk Management)33
Description of Variables33
Download File Informations33
Function: 1U> (First Overvoltage Element F59)35
Description of Variables35
Operation35
Function: 2U> (Second Overvoltage Element F59)36
Description of Variables36
Operation36
Function: 1U< (First Undercurrent Element F27)36
Function: 2U< (Second Undercurrent Element F27)36
Function: 1F> (First Overfrequency Element F81>)37
Description of Variables37
Operation37
Function: 2F> (Second Overfrequency Element F81>)37
Function: 1F< (First Underfrequency Element F81<)38
Description of Variables38
Operation38
Function: 2F< (Second Underfrequency Element F81<)38
Function: 1Uo> (First Zero Sequence Overvoltage Element F59Vo)39
Description of Variables39
Operation39
Function: 2Uo> (Second Zero Sequence Overvoltage Element F59Vo)39
Function: U1< (First Voltmetric Unlock Islanding Detector Element F81V)40
Description of Variables40
Operation40
Function: U2> (Second Voltmetric Unlock Islanding Detector Element F81V)40
Function: 1Df/Dt (First Frequency Rate of Change Element)41
Description of Variables41
Operation41
Function: 2Df/Dt (Second Frequency Rate of Change Element)41
Function: TCS (Trip Circuit Supervision)42
Description of Variables42
Operation42
Function: IRF (Internal Relay Fault)43
Description of Variables43
Operation43
Function: Oscillo (Oscillographic Recording)43
Available on Software44
Setting "User Trigger Oscillo45
Example: Setting "Oscillo Trigger Logic46
Function: CB Mngn (Control C/B)49
Description of Variables49
Push-Buttons (Programmable Only Via Software)49
Function: Extrescfg (External Reset Configuration)51
Description of Variables51
Input - Output (Via Software)51
Digital Input51
DI" Configuration (Via Software)51
Example52
Name52
Status52
Functions52
Example: Setting "Digital Input52
Physical Outputs53
DO" Configuration53
Example Configuration53
Functions - Operation Mode54
Infostatus58
Description of Variables58
Date and Time59
Clock Synchronization60
Healthy (Diagnostic Information)61
Dev.info (Relay Version)61
Maintenance61
Wiring Diagram62
Overall Dimensions62
Electrical Characteristics63

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Microelettrica Scientifica MC2-30V Specifications

General

Brand	Microelettrica Scientifica
Model	MC2-30V
Category	Relays
Language	English

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