Mikro MK 3000L Скачать руководство пользователя | Manualshive

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Io> menu

Set to Yes to enable earth fault first threshold (Io>). Then the
following menu is displayed.

Set the value for the current threshold Io>.
NOTE : When delay type is IDMT, the maximum setting
recommended should be 0.5Ion..

Set the time delay type of Io>. Setting choices are: IDMT and Definite
Time.

If Definite Time is selected, the following menu is displayed:

Set the value for the time delay of Io> definite time.

If IDMT is selected, the following menu is displayed:

Set the type of curve.

Set the time multiplier setting value for the curve.

Io>> menu

Set to Yes to earth fault second threshold (Io>>). Then the following
menu is displayed.

Set the value for the current threshold Io>>.

Set the value for the time delay of Io>> definite time.

Io>>> menu

Set to Yes to enable earth fault third threshold (Io>>>). Then the
following menu is displayed.

Set to yes to enable Io>>> operated on current sample base. Otherwise
it operates on fundamental value.

Sample base method will

ensure fast

tripping on highly saturated current signal.

Io>?

Yes

Io>

0.10Ion

Io> Delay Type

IDMT

tIo>

1.00s

Io> IDMT Curve

Normal Invrse

ktIo>

0.20

Io>>?

Yes

Io>>

1.00Ion

tIo>>

100ms

Io>>>?

Yes

Io>>> Sample

Yes

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Содержание MK 3000L

Страница 1: ...definite time Thermal overload protection Fault alarm and event records with timestamp Disturbance records CB Maintenance Multi shot autoreclose Trip circuit supervision RS232 and RS485 MODBUS RTU com...

Страница 2: ...enu 17 PROTECTION G2 Menu 22 INPUT Menu 22 OUTPUT Menu 24 COMMUNICATION Menu 26 MISC CONTROL Menu 27 5 0 Functions and Descriptions 31 5 1 Circuit Breaker Failure Protection 31 5 2 Inrush Blocking 31...

Страница 3: ...mbols and Definitions In this manual and on the relay unless the context otherwise requires the following symbols and abbreviations shall apply throughout AC Alternating current Ack Acknowledge Alrm A...

Страница 4: ...er monitoring and control 68 Blocking logic Inrush blocking Auxiliary timers 79 Multi shot autoreclose Test of output relays maintenance CB control local remote General Features Number of digital inpu...

Страница 5: ...e settings Up Scroll up the menus or increase setting value Down Scroll down the menus or decrease setting value Esc To exit from menus submenus or to cancel setting value change Press and hold for 1...

Страница 6: ...essing Esc key always return to current value display As soon as an alarm or trip is detected the display jumps to alarm record display to show the latest record 2 6 Alarm Condition During an alarm or...

Страница 7: ...tion of a parameter is made or Open Close CB button is pressed The user enters each one of the 4 digits by using up or down key and validates each digit with Enter If Esc is pressed in between the pas...

Страница 8: ...urb Rcrd Records Number Pre Time Disturb Rec Trig 3 CONFIGURATION 3 1 Op Parameter 3 2 CT Ratio 3 3 Date Time Date Date Format Time Time Format Password Description Firmware Frequency Active Group Ser...

Страница 9: ...ktI2 tI2 I2 I2 tI2 4 4 Thermal OL Thermal OL I T k Trip Alarm 5 PROTECTION G2 Similar to PROTECTION G1 4 5 Autoreclose Autoreclose Dead Time tD1 Dead Time tD2 Dead Time tD3 Dead Time tD4 Reclaim Time...

Страница 10: ...Monitor CB Opening Time CB Closing Time CB Operations Amps n IL1 Amps n IL2 Amps n IL3 Reset All Value 9 2 CB Alarm CB Opening Time CB Opening Time CB Closing Time CB Closing Time CB Operations CB Ope...

Страница 11: ...Pri ratio Displays earth current value Taking into account of E Gnd CT Pri ratio Displays negative sequence value Taking into account of Phase CT Pri ratio Displays thermal state Calculated on true RM...

Страница 12: ...r submenu content Example of Fault Record title page showing trip element source value and record number 1 Press Up or Down to show another record of Enter to enter sub page for this record Press Clea...

Страница 13: ...ub page showing record date and time Press Esc Enter to return to Fault Record title page Disturbance Records Menu Heading of Disturbance Record submenu Press Enter to enter submenu content Set the di...

Страница 14: ...Enter to change this value Currently active protection group CT Ratio Menu Heading of CT Ratio menu Press Enter to enter submenu content Set the rated primary current of the Phase Line CT Set the rate...

Страница 15: ...e the date Set the date format for display Press Enter to change between DD MM YYYY MM DD YYYY Displays the time Press Enter to change the time starts from hour minute and am pm if 12 hour format is s...

Страница 16: ...o a LED output The LED lights up when the protection function is active For tI tI tI tIo tIo tIo tI2 and tI2 trip the LED is latched by its respective alarm record LED is off when its alarm record is...

Страница 17: ...sr Run Yes Assigned recloser running to LED Reclsr Lockd Yes Assigned recloser locked to LED TCS Alrm Yes Assigned TCS alarm to LED PROTECTION G1 Menu Heading of PROTECTION G1 Group 1 menu Press Enter...

Страница 18: ...time delay of I definite time I menu Set to Yes to enable phase overcurrent third threshold I Then the following menu is displayed Set to yes to enable I operated on current sample base Otherwise it...

Страница 19: ...he type of curve Set the time multiplier setting value for the curve Io menu Set to Yes to earth fault second threshold Io Then the following menu is displayed Set the value for the current threshold...

Страница 20: ...mended should be 0 5Ion Set the time delay type of I2 Setting choices are IDMT and Definite Time If Definite Time is selected the following menu is displayed Set the value for the time delay of I2 def...

Страница 21: ...rload alarm To disable this alarm set this value to equal or higher than Trip Autoreclose Menu Refer to 5 5 Autoreclose for more detail explanation Heading of autoreclose menu Press Enter to enter sub...

Страница 22: ...o tIo and tIo Set the actions to be executed for each cycle associated to the trip or start for each element 0 Recloser will move to lock status after tripping 1 Tripping followed by reclose cycle 2 N...

Страница 23: ...efined by 3 7 Cold Load PU setting Sync Clock Activation of the input will set the clock to the nearest minute CB Status 52A Position of Circuit breaker Activate CB close deactivate CB open Required f...

Страница 24: ...value for the time delay of TCS TCS alarm triggers when the input is deactivated for longer than the time delay TCS function is enabled when the trip output relay R1 is not energized Input 2 Menu has...

Страница 25: ...y tAux 1 Yes Assign Aux 1 input trip to the output relay tAux 2 Yes Assign Aux 2 input trip to the output relay Remote Yes Assign Remote trip by communication and Open CB control to the output relay t...

Страница 26: ...able to the RS485 port on the rear terminals of the relay the front panel RS232 port has fixed communication settings 38400bps 1 stop bit even parity address 1 Heading of COMMUNICATION menu Press Ente...

Страница 27: ...ble to read and clear counter values CB Monitoring and assigned alarm CB Alarm related to circuit breaker Most of the CB Monitor functions are only available when one of the input functions is CB stat...

Страница 28: ...reaker opening time threshold Set to Yes to enable circuit breaker closing alarm The following menu is displayed Set the value for the circuit breaker closing time threshold Set to Yes to enable circu...

Страница 29: ...Inr Blocking I Yes Enable or disable inrush blocking for I Inr Blocking Io Yes Enable or disable inrush blocking for Io Inr Blocking Io Yes Enable or disable inrush blocking for Io Inr Blocking Io Ye...

Страница 30: ...h the cold load pick up function CLPU Thml OL Yes Assign Thermal Overload I with the cold load pick up function CLPU I2 Yes Assign I2 with the cold load pick up function CLPU I2 Yes Assign I2 with the...

Страница 31: ...5s 5 2 Inrush Blocking The inrush blocking function can be used to block the overcurrent selectable I I I earth fault Io Io Io and negative sequence overcurrent I2 I2 starting due to inrush current w...

Страница 32: ...th heat dissipated Over temperature conditions occur when currents in excess of rating flow for a certain period of time It can be shown that temperatures during heating follow exponential time consta...

Страница 33: ...iven below Example 1 Trip Coil Monitoring In this example only 52a auxiliary contact is available the trip coil is monitored when the CB is open or closed Example 2 Trip Coil and Auxiliary Contacts Mo...

Страница 34: ...aximum resistor R1 value for various auxiliary voltage is shown Auxiliary Voltage Ua 24Vdc 36Vdc 48Vdc 60Vdc 72Vdc 110Vdc 132Vdc Maximum R1 value Ohm 4 7k 9 1k 13k 16k 22k 43k 62k Power rating W 1 4 1...

Страница 35: ...ed 1 One of the digital input function is CB Status 52A 2 One of the output relay function is start other CB Close is assigned and reset method is auto unlatched 3 Output Relay 1 trip reset method is...

Страница 36: ...for the signal For Open CB control Remote is assigned to output relay R1 or any other output relay with trip function Otherwise the display shows Remote Trip output not found For Close CB control one...

Страница 37: ...37 5 8 Characteristic Curves 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 05 Normal Inverse Normal Inverse 1 3 10 Very Inverse Long time Inverse...

Страница 38: ...38 Extremely Inverse k 1 1 T 10minutes 0 1 1 10 100 1 000 10 000 1 10 I I 30 50 70 90 Initial thermal state 0 time second Thermal Overload Curves...

Страница 39: ...39 6 0 Case Dimensions 7 0 Connection Diagram and Terminal 7 1 Terminal Connection at Rear View...

Страница 40: ...al 20 RS485 negative terminal 21 RS485 cable shield 22 Not used 23 24 Output contact R3 25 26 Output contact R4 27 28 Digital Input 1 no polarity 29 30 Digital Input 2 no polarity 31 Casing earth term...

Страница 41: ...Vdc to 270Vac 380Vdc 1 1 2 2 1 5A 1A COM 5A 1A COM 5A 1A COM 5A 1A COM Digital Input 2 Termination Resistor Example 2 Without neutral CT secondary 1A 3 2 1 6 5 4 9 8 7 12 11 10 27 28 39 37 38 24 23 2...

Страница 42: ...nputs Input type Optically isolated Rated voltage 20 380 V DC 50 270 V AC Series resistor 18k Ohm 2W required for 170 V AC 240 V DC direct input Output Relay Trip Contact Relay R1 R2 IRF Relay Rated v...

Страница 43: ...0 x In Variable steps I Sample Yes or No tI 0 to 100 s Variable steps Earth Fault Io Yes or No Io 0 02 to 2 x Ion Variable steps NOTE When delay type is IDMT the maximum setting recommended should be...

Страница 44: ...bance Record Records Number 6 x 3s 4 x 4s 3 x 5s 2 x 7s 1 x 9s Pre Time 0 1s to record length 0 1s Autoreclose Dead Time tD1 tD4 0 05 to 600s Reclaim Time tR 0 02 to 600s Inhibit Time tI 0 02 to 600s...

Страница 45: ...Pri ratio Phase Current Secondary 5A input 0 to 200 A 1A input 0 to 40 A Earth Current Secondary 5A input 0 to 50A 1A input 0 to 10A Thermal 0 to 9999 Frequency 20 to 80 Hz CB Monitoring CB Opening T...

Страница 46: ...5 4kV common mode 2kV differential mode Electrostatic discharge IEC61000 4 2 air discharge 8 kV Electrostatic discharge IEC61000 4 2 contact discharge 6 kV 1MHz burst disturbance IEC60255 22 1 2kV Co...

Страница 47: ...0x0001 to 0x007d N CRC 2 bytes 2 bytes CRC Response Communication address 1 byte 1 to 255 Function code 1 byte 0x03 0x04 Byte count 1 bytes 2 X N Quantity of Registers N X 2 bytes Value CRC 2 bytes 2...

Страница 48: ...2 bytes Value CRC 2 bytes 2 bytes CRC Response Communication address 1 byte 1 to 255 Function code 1 byte 0x10 Quantity of Registers 2 bytes 0x0001 to 0x007b N CRC 2 bytes 2 bytes CRC Error Communica...

Страница 49: ...Bit 0 2 50 0032 CB Opening Time F7 ms 0 65535 65 535s 51 0033 CB Closing Time F7 ms 0 65535 65 535s 52 0034 CB Operations high word 53 0035 CB Operations low word 54 0036 mps n I1 high word 55 0037 mp...

Страница 50: ...Relay 2 CBFP option F6 0 exclude Aux input 1 include Aux input 633 0279 Relay 2 CBFP delay F14 0 01s 5 1000 50ms 10s 634 027A Relay 3 Function Reset option F6 0 none 1 start other 2 trip 3 upstream t...

Страница 51: ...3 0349 Reserved read as 0 write to void 842 034A Earth Fault Io F6 0 Disable 1 Enable 843 034B Earth Fault Io Sample F6 0 No 1 Yes 844 034C Earth Fault Io Threshold F14 0 01 In 10 1000 0 1 10 845 034D...

Страница 52: ...threshold See below source threshold 0 14 0 11 7 Value high word 8 Value low word 9 IL1 high word 10 IL1 low word 11 IL2 high word 12 IL2 low word 13 IL3 high word 14 IL3 low word 15 Io high word 16 I...

Страница 53: ...reset 25 tI reset 26 tIo reset 27 tIo reset 28 Relay latching 29 Relay unlatching 30 Input activate 31 Input deactivate 32 Idemand alarm 33 General starting 34 Cold load function starting 35 I2 start...

Страница 54: ...Rec 2 Disturbance record trigger F7 1 4 2 14 Rec 3 Available Acknowledge F7 0 1 0 1 1 15 Rec 3 year F7 year 0 199 as 2000 2199 3 16 Rec 3 month day F10 month day 0 12 0 31 3 17 Rec 3 hour minute F11 h...

Страница 55: ...igital input and outputs Disturbance record data Read only Function 0x03 or 0x04 16384 4000 125 disturbance data words page 1 16385 4001 125 disturbance data words page 2 16523 408B 125 disturbance da...

Страница 56: ...lay 1 Bit 9 Output Relay 2 Bit 10 Output Relay 3 Bit 11 Output Relay 4 Bit 12 Bit 14 Unused Bit 15 Output Relay IRF IL1 IL2 IL3 channel multiplier This value divided by 204800 to get channel multiplie...

Страница 57: ...ister for detail F7 Unsigned integer A numeric value of certain units Eg 12 may represent 12 or 12minutes Refer to individual resisger s Units and range for detail F8 Unsigned long integer A numeric v...

Страница 58: ...it 9 TCS Bit 3 Io Bit 10 Idemand Bit 4 Io Bit 11 Remote trip Bit 5 Io Bit 12 I2 Bit 6 Thermal overload Bit 13 I2 F19 Unsigned integer Relay n link element 2 Funcion Start other Bit 0 CB close Bit 1 CB...

Страница 59: ...equals to 0 00 no action on autorecloser definitive trip 1 01 trip on pickup up followed by reclosing cycle 2 10 no trip on pickup F25 Unsigned integer Relay status 2 Bit 0 Recloser run Bit 1 Reclose...

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