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REJ 527
Directional or Non-Directional
Earth-Fault Relay

Operator’s Manual

Содержание REJ 527

Страница 1: ...REJ 527 Directional or Non Directional Earth Fault Relay Operator s Manual...

Страница 2: ......

Страница 3: ...1 3 How to use push buttons 11 3 1 4 How to select language 12 3 1 5 Main menu 13 3 1 6 Submenu 13 3 1 7 How to switch between front and rear connectors 14 3 2 MMI operation levels 15 3 2 1 Main leve...

Страница 4: ...4 Technical Description 26 5 Service 27 5 1 General 27 5 2 Secondary testing 27 5 2 1 Testing of the matching transformers 29 5 2 2 Testing of the zero sequence voltage stage U0b 29 5 2 3 Testing of t...

Страница 5: ...al control signal The protection relay REJ 527 is based on a microprocessor environment A self supervision system monitors continuously the operation of the relay The MMI includes an LCD display which...

Страница 6: ...front RS 485 connector rear for system communication Continuous self supervision of hardware and software At a permanent fault all stages and outputs are blocked Rated frequency user selectable 50 60...

Страница 7: ...tors even though the auxiliary voltage is disconnected National and local electrical safety regulations must always be fol lowed The frame of the protection relay has to be carefully earthed Current t...

Страница 8: ...start trip an MMI push button section with four arrow buttons and buttons for Clear and Enter an optically isolated serial communication port LJ URQW YLHZ RI WKH UHOD 1 LCD display 2 Optical PC connec...

Страница 9: ...protection relay 1 The backlight goes on 2 The LCD display is tested by inverting it for a short time 3 The display returns to idle mode and the backlight turns off LJ LVSOD WHVW DW SRZHU XS 3 1 2 3 D...

Страница 10: ...ttons The MMI includes push buttons for manoeuvring the protection relay LJ 1DYLJDWLRQ EXWWRQV A touch on the arrow button up or down is interpreted as one step upward or downward in a menu or as the...

Страница 11: ...a submenu from the main menu or a higher sub menu Leaving a submenu for the main menu or a higher sub menu Cancelling leaving setting mode without saving new val ues returning the MMI to idle mode C...

Страница 12: ...5 Main menu The main menu contains 5 main groups MEASUREMENTS RECORDED DATA SETTINGS CONFIGURATION INFO LJ 7KH GLVSOD VKRZLQJ WKH ILUVW PDLQ PHQX JURXS To navigate between the main menu groups use th...

Страница 13: ...Rear connection Front connection and press the E button The lower row starts to flash 3 Select the desired setting with the or key and press the E button to con firm the selection Note that after abou...

Страница 14: ...e the corresponding primary value 4 Press the C button to return the MMI to idle mode LJ 0HDVXUHPHQWV Measured current and voltage are shown as percentages of the rated current In and voltage Un of th...

Страница 15: ...larm from protection stages the text ALARM appears on the display along with the function The start and or the trip indication LED will also be lit 1 tb x 1 Uo x xx 1 Io x xx recd527 1 I x xx 1 x xx 1...

Страница 16: ...e has expired After this a new trip indication displaces the old one 3 2 2 6 Self supervision IRF When the self supervision system detects a permanent internal relay fault the ready indication LED sta...

Страница 17: ...e MMI password is changed from the default 999 the password will be required for altering parameter values Once the password is given it will not be required again until the MMI returns to idle state...

Страница 18: ...When a large number of setting values is to be altered e g during commissioning of relay systems it is recommended that you use a personal computer provided with the necessary software When these are...

Страница 19: ...ameter proceed as follows 1 Select the main menu group Configuration and enter the desired parameter by using the arrow buttons 2 Enter the setting mode by pressing the E button If the default passwor...

Страница 20: ...owledging and resetting indicators outputs and registers as follows To clear the LEDs and the LCD display press the C button The LEDs and the LCD are cleared only if the fault situation has disappeare...

Страница 21: ...x xx xx ABB C E GROUP 1 GROUP 2 NEW TRIP IND MEMORY SETTINGS NUMBER OF STARTS 5 EVENT 4 EVENT 3 EVENT MEASUREMENTS RECORDED DATA MONITORING STATE Note Parameters M80 and M81 must be set SETTINGS SETTI...

Страница 22: ...r LED is also lit If a started protection function is blocked the yellow indicator LED is blinking and the name of the corresponding function is shown on the display When a protection function operate...

Страница 23: ...atching type of indication goes automatically off when the fault disap pears and the protection stage resets A latching type of indication remains lit although the fault disappears until cleared by pr...

Страница 24: ...atching i e it must be reset by pressing the C button or via serial communication As long as the protection function is active it is not possible to reset the trip indicator Further the indicators may...

Страница 25: ...ed as a stand alone protection relay in medium voltage distribution systems where the relay can be applied as the main or backup protection relay of an object The whole function software used in the r...

Страница 26: ...fault code Note Static protection relays are measuring instruments that should be handled with care and protected against moisture and mechanical stress especially during transport 5 2 Secondary testi...

Страница 27: ...ted see chapter Technical data in Technical Reference Manual LJ 6HFRQGDU WHVW FLUFXLWU IRU WKH HDUWK IDXOW UHOD 5 Danger Do not open the secondary circuit of a current transformer under any phases of...

Страница 28: ...e energizing input used Note that the rated voltage is user selectable 100 V 110 V 115 V or 120 V Test the phase angle measurement Apply a pure sinusoidal voltage and current with a known phase differ...

Страница 29: ...ht When the relay operates the red indicator turns on 5 2 4 Testing of the self supervision system IRF The self supervision system and the function of the IRF LED and the IRF output can be tested in t...

Страница 30: ...30 1MRS 751055 MUM Directional or Non Directional Earth Fault Relay Operator s Manual REJ 527 6 Ordering Information Refer to Technical Reference Manual...

Страница 31: ...751055 MUM Directional or Non Directional Earth Fault Relay Operator s Manual REJ 527 31 7 References Other available manuals Technical Reference Manual 1MRS750616 MUM Installation Manual 1MRS750526...

Страница 32: ...1 F Fault codes 17 Front panel 9 I I O test 23 Indication messages 22 Info 16 Internal relay fault 17 M Main menu 13 Measurements 15 Menu chart 22 P Passwords 18 Push buttons 11 R READY indicator 24 R...

Страница 33: ...rcuit breaker failure protection CPU Central processing unit IDMT Inverse definite minimum time characteristic IRF Internal relay fault LCD Liquid Crystal Display LED Light emitting diode MMI Man Mach...

Страница 34: ...9 Customer Feedback Date To fax 358 10 224 1094 Category Comment Query Complaint In case of feedback related to a specific product please state the name of the product Product Description Initiator I...

Страница 35: ...1MRS 751055 MUM Directional or Non Directional Earth Fault Relay Operator s Manual REJ 527 35...

Страница 36: ...ABB Substation Automation Oy P O Box 699 FIN 65101 VAASA Finland Tel 358 10 224 000 Fax 358 10 224 1094 www abb com substationautomation 1MRS 751055 MUM EN 04 2001...

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