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Digital  Overcurrent  &  Ground  Overvoltage  &  Selective  Ground  Relay  (GDR-AEF01)  User's  Manual

7    /    67

  Kyongbo  Electronics  Co.,  Ltd.

                                       

Order  of  Table

【

Table  2.1

】 

Input  Current

···················································································································

10

【

Table  2.2

】 

Rated  Control  Source  Voltage

······················································································

10

【

Table  2.3

】 

Case

··································································································································

11

【

Table  2.4

】 

Time  Overcurrent  Element

····························································································

11

【

Table  2.5

】 

Instantaneous  Overcurrent  Element

···············································································

12

【

Table  2.6

】 

Time  Ground  OverVoltage  Element

·············································································

12

【

Table  2.7

】 

Instantaneous  Ground  OverVoltage  Element

·······························································

13

【

Table  2.8

】 

Selective  Ground  Element

·····························································································

13

【

Table  2.9

】 

Output  Contacts  /  Capacity

···························································································

14

【

Table  2.10

】 

Insulation

························································································································

15

【

Table  2.11

】 

Vibration,  Shock,  Earthquake

······················································································

16

【

Table  2.12

】 

Noise  Endurance

···········································································································

16

【

Table  2.13

】 

Temperature,  Humidity

·································································································

17

【

Table  2.14

】 

Other  Usage  Conditions

·······························································································

17

【

Table  3.1

】 

Relay  Time  Characteristics  and  Characteristic  Values  for  Curve  Selection

············

19

【

Table  4.1

】 

Metering

···························································································································

23

【

Table  4.2

】 

Communication  Method

·································································································

24

【

Table  5.1

】 

Key  Pad  &  Communication  Connector

·······································································

28

【

Table  5.2

】 

LED  (  Operating  Indicators  )

·······················································································

28

【

Table  6.1

】 

Time  OCR  Menu

···········································································································

33

【

Table  6.2

】 

INST.  OCR  Menu

··········································································································

34

【

Table  6.3

】 

Time  OVGR  Menu

········································································································

34

【

Table  6.4

】 

INST.  OVGR  Menu

·······································································································

35

【

Table  6.5

】 

SGR  Menu

······················································································································

36

【

Table  6.6

】 

RS-485  Comm.  Setting

··································································································

37

【

Table  6.7

】 

T/S  Connection  Menus

··································································································

39

【

Table  6.8

】 

Setting  Menus

·················································································································

44

【

Table  7.1

】 

SetGDRSeries  Program  Menus

······················································································

46

【

Table  7.2

】 

Communication  Port  Configuration

···············································································

48

  Appendix  1.  Product  Factory  Default  Setting  Values

········································································

53

Summary of Contents for GDR-AEF01

Page 1: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay Manual TYPE GDR AEF01 2006 7 18 Version 1 00 Kyongbo Electronics Co Ltd...

Page 2: ...property damage 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 s...

Page 3: ...e an electric 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 prod...

Page 4: ...tput connections 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 th...

Page 5: ...2 9 Selective Ground Element 13 2 10 Output Contacts 14 2 11 Insulation Test 15 2 12 Mechanical Test 15 2 13 Noise Test 16 2 14 Temperature Humidity Test 17 2 15 Other Operating Condition 17 3 Protec...

Page 6: ...ng 33 6 2 2 3 Protection Time OVGR Setting 34 6 2 2 4 Protection INST OVGR Setting 34 6 2 2 5 Protection SGR Set Setting 35 6 2 3 Self Diagnosis Screen 36 6 2 4 RS 485 Comm Setting 36 6 2 5 System Con...

Page 7: ...ration Shock Earthquake 16 Table 2 12 Noise Endurance 16 Table 2 13 Temperature Humidity 17 Table 2 14 Other Usage Conditions 17 Table 3 1 Relay Time Characteristics and Characteristic Values for Curv...

Page 8: ...Help 52 Appended 1 Dimensioned Drawings Unit mm 54 Appended 2 Internal Block Diagram 55 Appended 3 External Connection Diagram 55 Appended 4 Inverse Time Characteristic Curve 56 Appended 5 Very Invers...

Page 9: ...Relay Variety of timing characteristics OCR 7 time characteristics included OVGR instantaneous inverse definite time characteristics included SGR inverse and definite time characteristics included Du...

Page 10: ...AC 190V Rated Current IN IN AC 5A IO AC 1 5mA Overload Endurance VO 1 15 time the rated voltage 3 hours IN 2 time the rated current 3 hours 20 times the rated current 2 seconds IO 100 times the rated...

Page 11: ...ation Time Characteristics Inverse Time Very Inverse Time Extreme Inverse Time Long Inverse Time Kyongbo Induction Type KEPCO Type Inverse Time Kyongbo Induction Type KEPCO Type Very Inverse Time Defi...

Page 12: ...se Value At least 95 of the Setting Value Operation Value Precision Ratio Within 5 of the Setting Value Table 2 5 Instantaneous Overcurrent Element 2 7 Time Ground OverVoltage Operation Value 5 100V 1...

Page 13: ...ue Precision Ratio Within 5 of the Setting Value Table 2 7 Instantaneous Ground OverVoltage Element 2 9 Selective Ground Element Operation Current 0 9 10mA 0 1mA Step Operation Voltage 5 100V 1V Step...

Page 14: ...er alloy T S2 T S7 Contacts Signal contacts 6a Contact Rated Voltage AC 250V DC 125V Continuous Flow Electricity Capacity 5A AC 250V 0 5 sec Close Circuit Capacity 5A DC 125V Closing Capacity 1250VA 1...

Page 15: ...V IEC60255 5 Between Electric Circuits Between Connection Circuit Contacts 1kV Impulse Withstand Voltage 1 2 50 s 3 times each for positive negative polarity Electric Circuit Bundle to Ground 5kV IEC6...

Page 16: ...100 times Earthquake 1 8 x 3 5mm y 1 5mm Sweep 1 time 8 35 x 1g y 0 5g Sweep 1 time Table 2 11 Vibration Shock Earthquake 2 13 Noise Test 1MHz burst disturbance 1MHz 75ns 400Hz 2Sec Common mode 2 5kV...

Page 17: ...ance 10 55 Recovery Assurance 20 60 Relative Humidity Daily Average 30 90 Table 2 13 Temperature Humidity 2 15 Other Operating Condition Surface Height 1000m or less Condition where there is no abnorm...

Page 18: ...when a current over the setting value is input the Trip time is less than 40ms and the inverse time characteristic is a function between the current and the time and the operation time is shorter as t...

Page 19: ...pe Very Inverse Time 13 5 1 0 VI Kyongbo Induction Type Very Inverse Time 39 85 1 95 1 084 KVI KEPCO Type Extreme Inverse Time 80 2 0 EI Long Inverse Time 54 1 0 LI Definite Time DT Table 3 1 Relay Ti...

Page 20: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 20 67 Kyongbo Electronics Co Ltd Figure 3 11 Time OCR TOCR Logic Diagram...

Page 21: ...e characteristic Inverse Time characteristic and Definite Time characteristic to be used for ground overvoltage protection The inverse time characteristic is the function between voltage and time and...

Page 22: ...ed system or resistance grounded system Also it has inverse time and definite time characteristics and designed so that there is no difficulty in operation time setting Inverse time characteristic is...

Page 23: ...ue of the Zero sequence Voltage 1st Voltage of the relay input voltage converted by voltage ratio Metering Range 0 250V When Ground PT Ratio is 1 1 Phase Angle Measure the zero sequence current phase...

Page 24: ...ort Front Display Panel RS232 Port 1 19200 BPS MODBUS Protocol Back RS485 Port 1 300 19200 BPS MODBUS Protocol Upper Level SCADA Communication Contact No 13 15 Table 4 2 Communication Method 4 2 1 RS...

Page 25: ...onnected with 120 resistor parallel as shown in the following figure Figure 4 3 RS 485C Connection Diagram 4 3 Self Diagnosis Function Self Diagnosis function monitors the operation status of the rela...

Page 26: ...AEF01 User s Manual 26 67 Kyongbo Electronics Co Ltd 4 4 Fault Recording Function This function displays the accumulated count of operation current operation element and relay operation time It can b...

Page 27: ...el has 20 x 4 LCD 4 LEDs 7 KeyPad and RS 232C Communication Connector as follows There is a transparent cover on the front side to prevent dust or foreign substance from entering and to stop unnecessa...

Page 28: ...mally it is lighted in normal condition and if it is not lighted when the power is supplied it means the CPU is not running and there is a serious problem in the equipment so it requires repair or rep...

Page 29: ...information Displayed on LCD Screen is made of a Tree structure and you can find and select the information in the Tree structure using Left Right Up Down Keys The category that the cursor is pointing...

Page 30: ...nts are composed of 7 categories of Measurement Protection Self Diagnosis RS 485 Comm System Config Recorder and Test Press Menu Key from the default LCD screen then the screen asking for Password app...

Page 31: ...6 Press Key currently stored current value of 2 PICK UP flashes 7 Press Key changes to desired setting value 8 Press ENTER Key temporarily stores the decided value 9 Press Key moves to Protection Scr...

Page 32: ...ent and Voltage multiplied by CT and PT Ratio Pressing Key in the Measurement Screen will exit this menu and convert to the upper menu 6 2 2 Protection Setting Protection Setting has categories to per...

Page 33: ...DT KVI Set definite time characteristic PickUp 2 0 12 5A 0 1A 5 0A Definite time Pickup value Time Dial 0 1 10 0 0 1 10 0 Set time ratio DT Time 0 04 60 00Sec 0 01Sec Set the time of definite time Ta...

Page 34: ...display the following screen T i m e O V G R 1 C U R V E N I 2 P I C K U P 1 2 0 V 3 T D I A L 1 0 0 Press Key in Time OVGR screen then it will exit this menu and convert to the upper menu Detail cate...

Page 35: ...et OFF instantaneous time definite time PickUp 110 160V 1V 120V Instantaneous Pickup value DT Time 0 04 60 00Sec 0 01Sec 0 04Sec Set the time of definite time Table 6 4 INST OCGR Menu 6 2 2 5 Protecti...

Page 36: ...menu displays the result of the self diagnosis function for each diagnosis category Diagnosis categories are control power CPU WatchDog Timer memory and setting value and if a fault occurs for each ca...

Page 37: ...unication speed Slave Addr 1 254 1 Set Slave Addr Table 6 6 RS 485 Comm Setting 6 2 5 System Config Setting System Config has detail categories of Power system T S Output and Password Selecting 5 Syst...

Page 38: ...he 1st voltage ratio on Phase side It can be set in 0 1 units from 0 1 to 3200 0 For example if using voltage of ground side as 6600 190 set 34 7 in G_PT_RAT setting System Config Power system P_CT_RA...

Page 39: ...to connect output connection are as follows Connection Description OFF Connection not used PROT_OR Output if any one of the relay element is in operation among all elements IOCR Output if instantaneo...

Page 40: ...ry that can add to the recovery delay time on the recovery This menu is only applied when it is in Self Mode in the above 2 RST Setting and is not applied if it is in Manual Mode If DLY is set to 0 00...

Page 41: ...lt content and the number of faults Select 6 Recorder in Setting then the following screen appears F a u l t R e p o r t 1 D i s p l a y F a u l t s 2 C l e a r F a u l t 2 F a u l t Press Key in Test...

Page 42: ...In the above screen No flashes and if you don t want to delete the fault record stored press Key and if you want to delete the fault record press Key to change No to Yes and press ENTER Key 6 2 7 Tes...

Page 43: ...2 Test Contact Test This menu is a category that can check the conditions of the connections by changing the connection outputs as desired Select 2 Contact Test in Test then the following screen appe...

Page 44: ...OFF DT NI 2 Vo PickUp 5 100V 1V Step 3 Io PickUp 0 9 10 0 0 1 Step 4 REF Phase 0 60 1 Step 5 Time Dial 0 1 10 0 0 1Step 6 DT_Time 0 04 60 00Sec 0 01Sec Step 3 Self Diagnosis Power Fail CPU Watchdog CP...

Page 45: ...tion port of the front side of the relay and use MODBUS for the communication protocol Also RS 485 communication is possible by using the contact at the back When you change the setting in the relay y...

Page 46: ...ting Connect Connects the communication between the ports of the relay and SetGDRSeries and initializes Disconnect Closes the connection of the communication port Device Selecting Selects the relay to...

Page 47: ...he following Figure and selects the relay to be controlled remotely To communicate with GDR AEF01 select GDR AEF01 and press OK button Figure 7 2 Relay Selecting 7 3 Communication Port Configuration T...

Page 48: ...the current Setting screen contents to the relay Also press Save to store the Setting screen contents as gdr file and press Open to load the stored file Press Report to store as txt file for easy pro...

Page 49: ...ics Co Ltd Figure 7 4 GDR AEF01 Setting 7 4 2 Status Status Screen is composed to view the categories that are displayed in the relay such as Current Measurement Fault Record State etc in one screen T...

Page 50: ...mA Click Read button then it shows the last fault content stored in the relay Click RST button then the protection relay element among the Reset Key functions of the relay operates and when Operating...

Page 51: ...ser s Manual 51 67 Kyongbo Electronics Co Ltd 7 4 3 Report You can store and read the information Relay Information Setting Data System Configuration Fault Record of the relay as txt file format throu...

Page 52: ...ctive Ground Relay GDR AEF01 User s Manual 52 67 Kyongbo Electronics Co Ltd 7 5 Help You can find the description of Setting Tool functions technical assistance A S company s homepage mail address add...

Page 53: ...Sec 5 SGR 1 Curve DT 2 Vo PickUp 60V 3 Io PickUp 1 4 REF Phase 45 5 Time Dial 6 DT_Time 0 04Sec 2 RS 485 comm 1 Baudrate 19200 bps 2 Slave Addr 1 3 System Config 1 Power System 1 FREQ 60Hz 2 G_PT_RAT...

Page 54: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 54 67 Kyongbo Electronics Co Ltd Appended 1 Dimensioned Drawings Unit mm...

Page 55: ...ound Relay GDR AEF01 User s Manual 55 67 Kyongbo Electronics Co Ltd Appended 2 Internal Block Diagram Appended 3 External Connection Diagram Cation 1 External connection diagram is example 2 R y He AI...

Page 56: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 56 67 Kyongbo Electronics Co Ltd Appended 4 Inverse Time Characteristic Curve...

Page 57: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 57 67 Kyongbo Electronics Co Ltd Appended 5 Very Inverse Time Characteristic Curve...

Page 58: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 58 67 Kyongbo Electronics Co Ltd Appended 6 Extreme Inverse Time Characteristic Curve...

Page 59: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 59 67 Kyongbo Electronics Co Ltd Appended 7 Long Inverse Time Characteristic Curve...

Page 60: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 60 67 Kyongbo Electronics Co Ltd Appended 8 Kyongbo Induction Type Inverse Time KEPCO Type Characteristic Curve...

Page 61: ...igital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 61 67 Kyongbo Electronics Co Ltd Appended 9 Kyongbo Induction Type Very Inverse Time KEPCO Type Characteristic Curv...

Page 62: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 62 67 Kyongbo Electronics Co Ltd Appended 10 Definite Time Characteristic Curve...

Page 63: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 63 67 Kyongbo Electronics Co Ltd Appended 11 Ground Overvoltage Element Inverse time Characteristic Curve...

Page 64: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 64 67 Kyongbo Electronics Co Ltd Appended 12 Ground Overvoltage Element Definite time Characteristc Curve...

Page 65: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 65 67 Kyongbo Electronics Co Ltd Appended 13 Selective Ground Element Inverse Time Characteristic Curve...

Page 66: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 66 67 Kyongbo Electronics Co Ltd Appended 14 Selective Ground Element Definite time Characteristic Curve...

Page 67: ...Digital Overcurrent Ground Overvoltage Selective Ground Relay GDR AEF01 User s Manual 67 67 Kyongbo Electronics Co Ltd Appended 15 Selective Ground Element Operation Characteristic Curve...

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