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Digital Motor Protection Relay (GDR-M02) User's Manual (V1.00)

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KyongBo Electric Co.,Ltd

Digital Motor Protection Relay User's Manual

TYPE : GDR-M02

2010. 04. 12

Version 1.00

Kyongbo Electric Co., Ltd.

Summary of Contents for GDR-M02

Page 1: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 1 76 KyongBo Electric Co Ltd Digital Motor Protection Relay User s Manual TYPE GDR M02 2010 04 12 Version 1 00 Kyongbo Electric Co Ltd ...

Page 2: ...e Be sure to read the user manual carefully and use the product accordingly The user manual must be kept in a place where it can be easily seen by the product user WARNING CAUTION This symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage to properties only SYMBOLS Be sure not to do Be sure to follow the instruction ...

Page 3: ...shock Do not perform any wiring work when the main cable is live It may cause an electric shock and a damage or a fire by the charged voltage of the converter Do not disassemble the product even if the power is not on except for wiring or maintenance It may cause an electric shock by the charged current in the product Let the electrical technician to perform wiring test run and maintenance Otherwi...

Page 4: ...ns Otherwise it may cause a damage to the product or a fire Prevent screws metal parts water or oil from entering the product It may cause a damage to the product or a fire Do not let the product be exposed to a direct sunlight It may cause a damage to the product Extract and insert Case on a leveled surface Otherwise it may cause a damage to the product Do not store the product in a humid or a du...

Page 5: ...round OverCurrent Element 14 2 9 OverVoltage Element 15 2 10 UnderVoltage Element 15 2 11 Reverse Phase Element 15 2 12 Negative Sequence Current Element 16 2 13 Output Contacts 16 2 14 Insulation Test 17 2 15 Mechanical Test 18 2 16 Noise Test 18 2 17 Temperature Humidity Test 19 2 18 EMI ElectroMagnetic Interference 19 2 19 Other Operating Condition 19 3 Protection Characteristics 20 3 1 OverCur...

Page 6: ...rs 33 6 Display Setting Modes 34 6 1 Key Operations and LCD Construction 34 6 1 1 LCD Default Display Condition Backlight On Off 34 6 1 2 LCD Screen Display and Principles of Key Operation 34 6 1 3 One button Display 34 6 1 4 Menu Tree 34 6 1 5 Setting Modes 35 6 1 6 Measurement Screen 37 6 1 7 Protection Setting 37 6 1 8 Self Diagnosis Screen 43 6 1 9 RS 485 Comm Setting 44 6 1 10 System Config S...

Page 7: ...2 13 Insulation Test 17 Table 2 14 Mechanical Test 18 Table 2 15 Noise Test 18 Table 2 16 Temperature Humidity Test 19 Table 2 17 EMI ElectroMagnetic Interference 19 Table 2 18 Other Operating Condition 19 Table 3 1 Time Curve Characteristic 21 Table 4 1 Measurement Function 29 Table 4 2 Communication Method 30 Table 5 1 Key Pad Communication Connector 33 Table 5 2 LED Operating Indicators 33 Tabl...

Page 8: ...s 25 Figure 3 7 UVR Logic Diagram 1 Phase 26 Figure 3 8 UVR Logic Diagram 3 Phases 26 Figure 3 9 NSOCR Logic Diagram 27 Figure 3 10 RPR Logic Diagram 28 Figure 4 1 RS 232C Circuit Diagram 30 Figure 4 2 RS 232C Connection 30 Figure 4 3 RS 485C Connection Diagram 31 Figure 5 1 Front Panel Display 32 Figure 6 1 Menu Tree 35 Figure 7 1 GDR M02 Default Screen 53 Figure 7 2 Communication Port Setting 55...

Page 9: ... LI Characteristic Curve 67 Appended 8 Over Current Ground Over Current Element KNI KEPCO Type Characteristic Curve 68 Appended 9 Over Current Ground Over Current Element KVI KEPCO Type Characteristic Curve 69 Appended 10 Over Current Ground Over Current Element KLNI KEPCO Type Characteristic Curve 70 Appended 11 Over Current Ground Over Current Element KLVI KEPCO Type Characteristic Curve 71 Appe...

Page 10: ...ristic curve enclosed OVR Inverse time Definite Time Characteristic curve enclosed UVR Reverse Inverse time Definite time characteristic curve enclosed NSOCR Definite time characteristic curve enclosed RPR Definite time characteristic curve enclosed Duration of maintaining output contact is 0 00 60 00Sec 0 01Sec Step and variable setting is possible Set value and measured values are Displayed digi...

Page 11: ...00 11 76 KyongBo Electric Co Ltd Various communications supported Communication Methods RS 232C RS 485C SCADA communications Supported Protocol MODBUS Enhanced EMC EMI performance Applied Standard Korea Electrical Manufacturers Cooperative Standard KEMC1120 ...

Page 12: ...nt 3 hours 20 times rated current 2 seconds Burden 0 5VA or less Phase Table 2 1 Input Current 2 2 Rated Control Power Rated Control Power AC DC 110 220V free voltage Overload Endurance 1 3 times rated voltage 3 hours Burden A l w a y s 30W or less operation 70W or less Table 2 2 Rated Control Power 2 3 Rated Frequency 50Hz or 60Hz Sine Waveform 2 4 Case Case Structure Flushed Drawer Type Case Col...

Page 13: ...Type KLVI Definite Time DT 0 04 60 00Sec 0 01Sec Step Release Delay Time 0 00 60 00Sec 0 01Sec Step Release Value At least 95 of the Setting Value Operation Value Precision Ration Within 5 of the Setting Value Table 2 4 Time Over Current Element 2 6 Instantaneous OverCurrent Element Operation Value 10 90A 1A Step Operation Time Characteristics Instantaneous Time 40ms Definite Time 0 04 60 00Sec 0 ...

Page 14: ...Definite Time DT 0 04 60 00Sec 0 01Sec Step Release Delay Time 0 00 60 00Sec 0 01Sec Step Release Value At least 95 of the Setting Value Operation Value Precision Ratio Within 5 of the Setting Value Table 2 6 Time Ground Over Current Element 2 8 Instantaneous Ground Over Current Element Operation Value 2 50A 1A Step Operation Time Characteristic Instantaneous Time 40ms Definite Time 0 04 60 00Sec ...

Page 15: ...alue 30 105V 1V Step Operation Time Characteristics Reverse Inverse Time 0 1 10 0 0 1 Step Definite Time 0 04 60 00Sec 0 01Sec Step Release Delay Time 0 00 60 00Sec 0 01Sec Step Release Value At least 95 of the Setting Value Operation Value Precision Ratio Within 5 of the Setting Value Table 2 9 Under Voltage Element 2 11 Reverse Phase Element Operation Value When reverse phase from more than 40 o...

Page 16: ...ontacts Trip contact 1a Contacts Rated Voltage AC 250V DC 125V Continuous Flow Electricity Capacity 10A AC 250V 0 3 sec Close Circuit Capacity 30A DC 125V Closing Capacity 6250VA Material Silver alloy T S2 T S4 Contacts Signal contacts 3a Contacts Rated Voltage AC 250V DC 125V Continuous Flow Electricity Capacity 5A AC 250V 0 3 sec Close Circuit Capacity 5A DC 125V Closing Capacity 1250VA 150W Mat...

Page 17: ...etween Electric Circuits Between Connection Circuit Contacts 1kV Impulse Withstand Voltage 1 2 50μs 3 times each for positive neg ative polarity Electric Circuit Bundle to Ground 5kV IEC60255 5 Between Transformer Circuits Between Transformer Control Circuits Between Control Circuits 3kV Between Tranformer Circuit Contacts Between Control Power Circuit Contacts Table 2 13 Insulation Caution AUX PO...

Page 18: ...arthquake 1 8 x 3 5mm y 1 5mm Sweep 1 time 8 35 x 1G y 0 5G Sweep 1 time Table 2 14 Mechanical Test 2 16 Noise Test 1MHz burst disturbance 1MHz 75ns 400Hz 2Sec Common mode 2 5kV IEC60255 22 1 Differential mode 1 0kV EFT Burst Applied Voltage 4kV IEC60255 22 4 Repeated Frequency 2 5kHz Electrostatic Discharge Air discharge 8kV IEC60255 22 2 Contact discharge 6kV Lighting Surge 1 2 50μs 8 20μs 30sec...

Page 19: ...rference Noise Terminal Voltage Frequency MHz Quasi peak Average 0 15 0 5 79 66 0 5 30 73 60 Noise Field Strength Frequency MHz Quasi peak Limit value m 30 230 50 5 230 1 000 57 5 Table 2 17 ElectriMagnetic Interference 2 19 Other Operating Condition Surface Height 1000m or less Condition where there is no abnormal vibration shock slope or influence of the magnetic field Place where there is no ex...

Page 20: ...ver the setting value is input the Trip time is less than 40ms and the time characteristic is a function between the current and the time and the operation time is shorter as the current is bigger There are 4 international standard IEC inverse time characteristics and 4 KEPCO type inverse time characteristics equipped When applying the inverse time characteristics select one from the 9 characteris...

Page 21: ...PCO Type VI 13 5 1 0 KVI 39 85 1 95 1 084 KEPCO Type EI 80 2 0 LI 54 1 0 KLNI 3 8 0 11 2 8 KEPCO Type KLVI 75 1 8 2 KEPCO Type DT Table 3 1 Time Curve Characteristic When setting the relay selecting the time characteristic curve will decide the K L C values in the above table Logic Diagram for overcurrent element operation is as follows Figure 3 1 INST OCR IOCR Logic Diagram ...

Page 22: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 22 76 KyongBo Electric Co Ltd Figure 3 2 Time OCR TOCR Logic Diagram ...

Page 23: ...t receives the ground current signal input and the setting range is smaller than 3 phase Over Current There are also instantaneous element and time element in the Ground Over Current relay function instantaneous element is marked as INST OCGR IOCGR and time element is marked as Time OCGR TOCGR Logic Diagram for ground over current element operation is as follows Figure 3 3 INST OCGR IOCGR Logic Di...

Page 24: ...r operation time is short This element operation divide to 1 Phase and 3 Phases operating When relay set 1 phase OVR 3 relay operate independence VAB VBC VCA and relay set 3 phase 3Φ OVR 1 relay operate all phase Pick Up Equation of Time curve characteristic NI by voltage and time is follow sec T Operation Time V Relay input voltage Relay operation setting value M Operation time ratio Logic Diagra...

Page 25: ...vide to 1 Phase and 3 Phases operating Voltage of operating for Under Voltage element is lower than setting after higher than setting so relay don t operate at first apply power or after reset release For example when relay set 1 phase UVR 3 operate after each phase voltage apply higher than setting and 3 phase 3Φ UVR 1 operate after all phase voltage apply higher than setting Operated Under Volta...

Page 26: ... Protection Relay GDR M02 User s Manual V1 00 26 76 KyongBo Electric Co Ltd Logic Diagram for under voltage element operation is as follows Figure 3 7 UVR Logic Diagram 1 Phase Figure 3 8 UVR Logic Diagram 3 Phases ...

Page 27: ... problem or the other factor motor stop rotate or continuous rotate At this time rotator of motor flow large current and motor has demage Negative Sequence Current Element calculate 3 phase unbalanced current at this case and if unbalanced rate higher than setting 30 70 operate DT 0 04 60 00 Sec Unbalanced current equation is as follow Logic Diagram for negative sequence current element operation ...

Page 28: ...element This relay protective reverse phase input that is element prevent backlashing Relay compare 3phase angle dissimilarity if relay detect angle exchange operate DT 0 04 60 00 Sec However when input voltage 40 of rated voltage occur reverse phase When use single phase motor set OFF Reverse Phase operate Logic Diagram is as follow Figure 3 10 RPR Logic Diagram ...

Page 29: ...d Current Unbalanced Current is calculated by positive and negative sequence Current Angle Basis of angle is Vab Table 4 1 Measurement function However indicate FULL when measuring data over metering range 4 2 Communication This relay provide communication method of common RS 232C RS 485C and speed of maximum 19200 bps Relay has 1 RS 232C port in front side and RS 485C port in back side Front side...

Page 30: ... input output Voltage 7V 12V Communication P o r t Front Display RS232 1port 300 19200 BPS MODBUS Protocol Back Side RS485 1port 300 19200 BPS MODBUS Protocol Upper SCADA Communication Terminal number 9 11 12 Com Table 4 2 Communication Method 4 2 2 RS 485C Communicaton This relay provide isolated RS 485C Half Duplex communication method for linking SCADA system In this communication method can li...

Page 31: ...error protection element stop operation and keep up the LCD and LED until error is removed Self diagnosis unit is follow Power Fail CPU Watchdog Fail Memory Fail Setting Fail 4 4 Fault Recording Function Relay has to record and save that current and voltage magnitude angle unbalanced current operation status of protection element relay operating time operating count for conventional fault analysis...

Page 32: ...ront side Display Panel Structure Front side and control panel have 20 4 LCD 4 LED 7 Keypad and RS 232C connector like Figure 5 14 When setting change must input password so other person don t change setting and protective element run during relay control and setting change through LCD display Figure 5 1 Front Panel Display ...

Page 33: ...ED indicate normal operated CPU when relay is supplied normal control power If LED turn off during supplied normal control power relay change or repair Error Red This LED turn on red when relay detects error in device and protection element blocking Detail relay error confirm relay menu through the LCD If eliminate error LED turn off Pick up Yellow When protection element become pick up Pick Up LE...

Page 34: ... 2 LCD Display Key Control Principle Relay menu is made up tree structure and select to use left right up down Key The place of indicator is select unit and you want to move detail unit push Key You want to escape the present menu push Key 6 1 3 One button Display If you do over again press Reset Key can watch measure data Setting values self diagnosis throw LCD display This function can confirm r...

Page 35: ...ent Protection Self Diagnosis RS 485 Comm System Config Recorder Test At main display if you push Menu Key display follow enter password next figure E n t e r P a s s w o r d 1 Key Number change 2 Key Position change 3 ENTER Key Confirm password after enter password Password is composed of 4 position and each number made up from 0 to 9 First password value is 0000 so directly push enter key exchan...

Page 36: ...icator move to 2 PICK UP 6 Key push Present saving current value of 2 PICK UP is flickering 7 Key push Change setting value 8 ENTER Key push Changing setting value temporary saving 9 Key push Move to Protection display 10 Key push Move to Setting display 11 Key push Display follow No is flickering A r e y o u s u r e t o s a v e c h a n g e d S e t t i n g V a l u e N o 12 Key push Select Yes 13 E...

Page 37: ... c 1 0 9 9 V 2 3 9 8 º V c a 1 1 0 3 V 1 2 0 2 º I a 5 0 3 A 0 0 º I b 4 9 8 A 2 4 0 1 º I c 5 0 0 A 1 1 9 8 º I n 5 0 0 A 0 0 º I u 0 0 0 If you want to escape Measurement Display press Key So upper setting menu 6 1 7 Protection Setting Protection category has Time OCR INST OCR Time OCGR INST OCGR OVR UVR NSOCR and RPR In Setting select 2 Protection display follow P r o t e c t i o n 1 T i m e O ...

Page 38: ... KVI KNI KLVI KLNI KVI Time Characteristic Setting PickUp 2 0 12 5A 0 1A 5 0A Time Pickup value Time Dial 0 1 10 0 0 1 10 0 Time Ratio Setting DT Time 0 04 60 00Sec 0 01Sec Definite Time Setting Table 6 1 Time OCR Menu 6 1 7 2 Protection INST OCR Setting This is to set Instantaneous Over Current Element In Protection select 2 INST OCR display follow I N S T O C R 1 M O D E D T 2 P I C K U P 5 0 A ...

Page 39: ... select 3 Time OCGR follow T i m e O C G R 1 C U R V E L I 2 P I C K U P 0 5 A 3 T D I A L 1 0 0 If you want to escape Time OCGR press the Key Detail menu of Time OCGR is follow Unit Range Step Basis Value Reference CURVE OFF NI VI EI LI DT KVI KNI KLVI KLNI KVI Time characteristic Setting PickUp 0 2 2 5A 0 1A 0 5A Time Pickup value Time Dial 0 1 10 0 0 1 10 0 Time Ratio Setting DT Time 0 04 60 00...

Page 40: ...sis value Reference MODE OFF INST DT DT OFF Inst Definite Time Setting PickUp 2 50A 1A 5A Inst Pickup Value DT Time 0 04 60 00Sec 0 01Sec 0 04Sec Defnite Time Setting Table 6 4 INST OCGR Menu 6 1 7 5 Protection OVR Setting This is to set Over Voltage Element In Protection select 5 OVR display follow O V R S e t 1 C U R V E D T 2 P H A S E 1 P H A S E 3 P I C K U P 6 5 0 V 4 T D I A L 0 1 If you wa...

Page 41: ... 170V 1V 130V Time Pickup Value T DIAL 0 1 10 0 0 1 10 0 Time Ratio Setting DT TIME 0 04 60 00Sec 0 01Sec Definite Time Setting Table 6 5 OVR Menu 6 1 7 6 Protection UVR Set Setting This is to set Under Voltage Element In Protection select 6 UVR display follow U V R S e t 1 C U R V E D T 2 P H A S E 1 P H A S E 3 P I C K U P 1 0 5 0 V 4 T D I A L 1 0 0 5 R S T M O D E O F F If you want to escape U...

Page 42: ...ST Mode ON OFF OFF Release Mode Setting RST Time 0 1 180 0Sec 0 1Sec Release Time Setting Table 6 6 UVR Menu 6 1 7 7 Protection NSOCR Setting This is to set Negative Sequence Over Current Element In Protection select 7 NSOCR display follow N S O C R S e t 1 M O D E D T 2 P I C K U P 3 0 3 D T T I M E 0 0 4 s If you want to escape NSOCR press the Key Detail menu of NSOCR is follow Unit Range Step B...

Page 43: ...FF Definite Time Setting DT Time 0 04 60 00Sec 0 01Sec 0 04Sec Definite Time Setting Table 6 8 RPR Menu 6 1 8 Self Diagnosis Display This menu display self diagnosis of each unit Diagnosis unit are Power CPU WatchDog Timer Memory Setting and if each unit has error LCD indicate FAIL and LCD main display System Error instead of System OK and Error LED turn on red Self Diagnosis display follow S e l ...

Page 44: ...otocol Baudrate 300 600 1200 2400 4800 9600 19200 bps 19200 Communication Speed Setting Slave Addr 1 254 1 Slave Addr Setting Table 6 9 RS 485 Comm Setting 6 1 10 System Config Setting System Config has Power system T S Output Password etc of detail menu In setting select 5 System Config System Config setting display follow S y s t e m C o n f i g 1 P o w e r S y s t e m 2 T S O u t p u t 3 P a s ...

Page 45: ...so you must selcect 5A to CT secondary rated current CT For example if you use 1000 5 CT P_CT_RAT set 1000 System Config Power system G_CT_RAT Setting This manu set primary CT ratio of Ground side To set from 5 to 10000 with 5step This relay is designed 5A to secondary rated current CT so you must selcect 5A to CT secondary rated current CT For example if you use 1000 5 CT G_CT_RAT set 1000 System...

Page 46: ...tion and mean follow Connection Reference OFF Don t use PROT_OR Any other protection element operate output OCR Inst OCR or Time OCR element operate output Inst OCR Inst OCR element operate output Time OCR Time OCR element operate output OCR_A A phase OCR element operate output OCR_B B phase OCR element operate output OCR_C C phase OCR element operate output OCR OCGR OCR element or OCGR element op...

Page 47: ... t applicable to the menu If you DLY set 0 00 contact output return less than 40ms and if you want to return less than 100ms set 0 06 You can set from 0 00 to 60 00 with 0 01Sec step if you set less than 100ms error is 35ms if you set more than 100ms error is 5 6 1 10 3 System Config Password Setting This manu is to change password 4 position and each number set from 0 to 9 In System Config select...

Page 48: ... If you want to escape Recorder press the Key Exchange upper display 6 1 11 1 Recorder 1 Display Fault Display Display Fault displays latest fault recording When new fault occur delete oldest fault record and save new record In Recorder select 1 Display Fault Display Fault unit display follow D i s p l a y F a u l t s 1 C o u n t e r 1 9 6 2 E l e m e n t I O C R A 3 T i m e 4 0 m s 4 V a b 0 0 V ...

Page 49: ...and if you want to delete saving fault recording press ENTER Key after exchange No for Yes 6 1 12 Test Test menu can test display and contact In Setting select 7 Test test display follow T e s t 1 D i s p l a y T e s t 2 C o n t a c t T e s t If you want to escape Test press Key Exchange main menu display 6 1 12 1 Test Display Test This menu can be test of LCD and LED error existence and nonexiste...

Page 50: ... 1 12 2 Test Contact Test This menu can be error existence and nonexistence of contact output that exchange contact output In Test select 2 Contact Test under display follow C o n t a c t T e s t 1 T S 1 O f f 2 T S 2 O f f 3 T S 3 O f f 4 T S 4 O f f 5 H A l a r m O n You want to test contact output select T S1 T S4 and to press Key change On press ENTER Key contact output is energized and return...

Page 51: ...c Step 3 Time OCGR 1 Curve OFF NI VI EI LI DT KVI KNI KLVI KLNI 2 PickUp 0 2 2 5A 0 1A Step 3 Time Dial 0 1 10 0 0 1Step 4 DT_Time 0 04 60 00Sec 0 01Sec Step 4 INST OCGR 1 Mode OFF INST DT 2 PickUp 2 50A 1A Step 3 DT_Time 0 04 60 00Sec 0 01Sec Step 5 OVR 1 Curve OFF NI DT 2 Phase 1Phase 3Phase 3 Pick Up 65 170V 1V Step 4 Time Dial 0 1 10 0 0 1 Step 6 UVR 1 Curve OFF NI DT 2 Phase 1Phase 3Phase 3 P...

Page 52: ...tep 3 G_CT_RAT 5 10000 5 5 Step 4 P_PT_RAT 0 1 3200 0 1 0 1 Step 2 T S Output T S 1 4 1 CON OFF PROT_OR OCR Inst OCR Time OCR OCR_A OCR_B OCR_C OCR OCGR OCGR Inst OCR Time OCR OVR UVR OVR UVR NSOCR RPR NSOCR RPR 2 RST SELF or MANUAL 3 DLY 0 00 60 00Sec 0 01Sec Step 3 Password New Password 6 Recorder 1 Display Faults Counter Element Time Vab θº Vbc θº Vca θº Ia θº Ib θº Ic θº In θº Iu 2 Clear Fault...

Page 53: ...ommunication port of PC and relay print side and use MODBUS with communication protocol Also relay possible RS 485 communication to use back side terminal When relay change setting repeat changing work however if you use GDR M02 it work once and save working data so if you do same working it so open save file therefore so easy Connected all working data is saved and again open Under display is mai...

Page 54: ...omm Select Com port of PC Refer to 7 2 Com port setting Connect Connect relay and PC communication and initialization Disconnect Disconnect Communication Open Open established Setting File Save Save Setting System Protection Report Save Setting Relay Information System Protection Fault with text file PC Relay Sent to relay that changing System Protection setting Relay PC Upload from relay of all G...

Page 55: ...t Com port in 15port that don t used because of another equipment Also RS 232C communication protocol is MODBUS so PC software use with RS 485 Figure 7 2 Communication Port Setting Communication Port COM1 COM15 Communication Port ADDR 1 254 RS 485C use at communication Slave Address MODBUS Protocol for RS 485C Table 7 2 Communication Port Configuration ...

Page 56: ...ou can open saved file If click Report button you can save report with txt file 7 3 1 Setting In Setting display you can set up Protection Element and System Configuration Setting item is composed Time OCR Time Over Current Element INST OCR Instantaneous Over Current Element Time OCGR Time Ground Over Current Element INST OCGR Instantaneous Ground Over Current Element OVR Over Voltage Element UVR ...

Page 57: ...te Description of this item equal to relay menu composition display so refer to 6 Display and Setting Mode Figure 7 4 GDR M02 Status Measurement unit of GDR M02 is kV kA mA Click Read button relay shows last fault recording Click RST button it operate remote Indicator Reset like relay Reset Key Click CLR button it operate remote Clear Fault like Recorder 2 Clear Fault of relay menu ...

Page 58: ... GDR M02 User s Manual V1 00 58 76 KyongBo Electric Co Ltd 7 3 3 Report You can save relay information Relay Information Setting Data System Configuration Fault Record txt file throw connected relay and PC Figure 7 5 GDR M02 Report ...

Page 59: ...otection Relay GDR M02 User s Manual V1 00 59 76 KyongBo Electric Co Ltd 7 4 Help This menu is known description of Setting Tool A S support internet homepage E mail address address telephon number etc Figure 7 6 Help ...

Page 60: ...T_Time 0 04 Sec 3 Time OCGR 1 Curve KVI 2 PickUp 0 5 A 3 Time Dial 10 4 DT_Time 4 INST OCGR 1 Mode DT 2 PickUp 5 A 3 DT_Time 0 04 Sec 5 OVR 1 Curve NI 2 Phase 1 Phase 3 Pick Up 130 V 4 Time Dial 10 6 UVR 1 Curve NI 2 Phase 1 Phase 3 Pick Up 90 V 4 Time Dial 10 5 RST Mode OFF 6 RST Time 7 NSOCR 1 Mode DT 2 PickUp 30 3 DT_Time 0 04 Sec 8 RPR 1 Mode DT 2 DT_Time 0 04 Sec Appendix 1 Setting Value at P...

Page 61: ...te 19200 bps 2 Slave Addr 1 5 System Config 1 Power System 1 FREQ 60 2 P_CT_RAT 5 5 3 G_CT_RAT 5 5 4 P_PT_RAT 1 1 2 T S Output T S1 1 CON PROT OR 2 RST Self 3 DLY 0 00 Sec T S2 1 CON OCR OCGR 2 RST Self 3 DLY 0 00 Sec T S3 1 CON OVR UVR 2 RST Self 3 DLY 0 00 Sec T S4 1 CON NSOCR RPR 2 RST Self 3 DLY 0 00 Sec 3 Password 0000 ...

Page 62: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 62 76 KyongBo Electric Co Ltd Appended 1 Dimensioned Drawings Unit mm ...

Page 63: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 63 76 KyongBo Electric Co Ltd Appended 2 Internal Block Diagram Appended 3 External Connection Diagram ...

Page 64: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 64 76 KyongBo Electric Co Ltd Appended 4 Over Cu r rent G round Over Cu r rent Element NI Cha r acteristic Cu rve ...

Page 65: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 65 76 KyongBo Electric Co Ltd Appended 5 Over Cu r rent G round Over Cu r rent Element VI Cha r acteristic Cu rve ...

Page 66: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 66 76 KyongBo Electric Co Ltd Appended 6 Over Cu r rent G round Over Cu r rent Element EI Cha r acteristic Cu rve ...

Page 67: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 67 76 KyongBo Electric Co Ltd Appended 7 Over Cu r rent G round Over Cu r rent Element LI Cha r acteristic Cu rve ...

Page 68: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 68 76 KyongBo Electric Co Ltd Appended 8 Over Current Ground Over Current Element KNI KEPCO Type Characteristic Curve ...

Page 69: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 69 76 KyongBo Electric Co Ltd Appended 9 Over Current Ground Over Current Element KVI KEPCO Type Characteristic Curve ...

Page 70: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 70 76 KyongBo Electric Co Ltd Appended 10 Over Current Ground Over Current Element KLNI KEPCO Type Characteristic Curve ...

Page 71: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 71 76 KyongBo Electric Co Ltd Appended 11 Over Current Ground Over Current Element KLVI KEPCO Type Characteristic Curve ...

Page 72: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 72 76 KyongBo Electric Co Ltd Appended 12 Over Cu r rent G round Over Cu r rent Element DT Cha r acteristic Cu rve ...

Page 73: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 73 76 KyongBo Electric Co Ltd Appended 13 Over Voltage Element NI Characteristic Curve ...

Page 74: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 74 76 KyongBo Electric Co Ltd Appended 14 Over Voltage Element DT Characteristic Curve ...

Page 75: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 75 76 KyongBo Electric Co Ltd Appended 15 Under Voltage Element NI Characteristic Curve ...

Page 76: ...Digital Motor Protection Relay GDR M02 User s Manual V1 00 76 76 KyongBo Electric Co Ltd Appended 16 Under Voltage Element DT Characteristic Curve ...

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