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Digital  UnderVoltage  Relay  (GDR-D01)  User's  Manual  V1.10

16    /    47

  Kyongbo  Electronics  Co.,  Ltd.

3.

Protection  Characteristics

3.1 UnderVoltage  Function

    This  relay  contains  the  Inverse  Time  characteristic  and  Definite  Time  characteristic 

to  be  used  for  UnderVoltage  protection.    OP  MODE  can  be  set  to  DIGITAL  and 

INDUCTION  mode.    When  it  is  set  to  DIGITAL,  the  Undervoltage  element  does 

not  operate  when  the  initial  power  is  supplied  to  the  relay  or  after  Reset  recovery, 

and  it  only  operates  when  the  voltage  goes  above  the  setting  value  and  drops  under 

the  setting  value.    When  it  is  set  to  INDUCTION,  it  maintains  the  induction  type 

relay  operation  characteristic,  so  the  existing  induction  type  relays  are  generally 

acceptable.    Several  recovery  functions  are  included  in  the  state  operated  by 

UnderVoltage  element,  the  recovery  function  for  the  voltage  going  above  the  setting 

value,  the  recovery  function  when  Reset  Key  is  pressed  when  the  operation  mode  is 

set  to  Digital,  and  the  recovery  function  after  the  recovery  time(RST-Time)  when 

recovery  function(RST-Mode)  is  ON.

NI  characteristic  is  function  of  time  therefore  operating  time  is  short  as  large  voltage.

 



× 



sec

T  =  Operation  Time

V  =  Relay  input  voltage  /  Relay  operation  setting  value 

M  =  Operation  time  ratio

The  time  and  voltage  relationship  function  is  as  follows.

【

Figure  3.1

】

UVR  Logic  Diagram   

Содержание GDR-D01

Страница 1: ...Digital UnderVoltage Relay GDR D01 User s Manual V1 10 Digital UnderVoltage Relay Manual TYPE GDR D01 2010 2 4 Version 1 10 Kyongbo Electronics Co Ltd...

Страница 2: ...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...

Страница 3: ...hock 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...

Страница 4: ...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 exp...

Страница 5: ...Other Operating Condition 15 3 Protection Characteristics 16 3 1 UnderVoltage Function 16 4 Subsidiary Function 17 4 1 Metering 17 4 2 Communication 17 4 2 1 RS 232C Communication 18 4 2 2 RS 485C Co...

Страница 6: ...tting 27 6 2 5 1 System Config Power system Setting 28 6 2 5 2 System Config T S Output Setting 28 6 2 5 3 System Config Password Setting 30 6 2 6 Recorder 31 6 2 6 1 Recorder 1 Display Fault Screen 3...

Страница 7: ...thquake 14 Table 2 8 Noise Endurance 14 Table 2 9 Temperature Humidity 15 Table 2 10 Other Usage Conditions 15 Table 4 1 Metering 17 Table 4 2 Communication Method 17 Table 5 1 Key Pad Communication C...

Страница 8: ...e 6 1 Menu Tree 23 Figure 7 1 SetGDRSeries Default Screen 35 Figure 7 2 Relay Selecting 37 Figure 7 3 Communication Port Setting 37 Figure 7 4 GDR D01 Setting 39 Figure 7 5 GDR D01 Status 40 Figure 7...

Страница 9: ...ally through LCD Screen 4 x 20 LCD Screen Enhance reliability with surveillance function at all times Free selection of frequency Settings according to the rated frequency of the line 50 60Hz Possible...

Страница 10: ...less Table 2 1 Input Voltage 2 2 Rated Control Source Voltage Rated Control Source Voltage AC DC 110 220V free voltage Overload Endurance 1 3 times rated voltage 3 hours Burden Always 30W or less Ope...

Страница 11: ...ime Operation Time Ratio 0 1 10 0 0 1 Step Definite Time Operation Time 0 04 60 00Sec 0 01Sec Step Release Delay Time 0 00 60 00Sec 0 01Sec Step OP MODE DIGITAL INDUCTION Operation Recovery MODE ON OF...

Страница 12: ...S5 Contacts Signal contacts 4a Contacts Rated Power AC 250V DC 125V Continuous Flow Electricity Capacity 5A AC 250V 0 5 s e c C l o s e Circuit Capacity 5A DC 125V Closing Capacity 1250VA 150W Materi...

Страница 13: ...ween 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 IEC60255 5 Between T...

Страница 14: ...hqu ake 1 8 x 3 5mm y 1 5mm Sweep 1 time 8 35 x 1g y 0 5g Sweep 1 time Table 2 7 Vibration Shock Earthquake 2 9 Noise Test 1MHz burst disturbance 1MHz 75ns 400Hz 2Sec Common mode 2 5kV IEC60255 22 1 D...

Страница 15: ...very Assurance 20 60 Relative Humidity Daily Average 30 90 Table 2 9 Temperature Humidity 2 11 Other Operating Condition Surface Height 1000m or less Condition where there is no abnormal vibration sho...

Страница 16: ...it is set to INDUCTION it maintains the induction type relay operation characteristic so the existing induction type relays are generally acceptable Several recovery functions are included in the sta...

Страница 17: ...232C port in the front and 1 RS 485C port in the back of the relay The RS 232C communication port in the front of the relay is connected to PC and used for changing the setting values viewing the meas...

Страница 18: ...f there is no RS 232C port in the PC and uses USB port only with USB to 232 cable cannot make connection so plesae use USB to 232 cable with the cross cable supplied with this product together 4 2 2 R...

Страница 19: ...esult category in the Self Diagnosis menu is displayed as FAIL Also when a fault occurs the operation output of the relay element is blocked immediately and it is displayed on LCD and LED until the fa...

Страница 20: ...CD 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 unnecessary key operatio...

Страница 21: ...lly 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 repla...

Страница 22: ...ayed 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 indicates the cu...

Страница 23: ...elements 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 Passwor...

Страница 24: ...y stored current value of 2 PICK UP flashes 6 Press Key changes to desired setting value 7 Press ENTER Key temporarily stores the decided value 8 Press Key moves to Protection Screen 9 Press Key moves...

Страница 25: ...Screen will exit this menu and convert to the upper menu 6 2 2 Protection Setting Protection Setting has categories to perform UVR protection function Select 2 Protection category in Setting and the f...

Страница 26: ...function that automatically recovers the UnderVoltage element operation after the set time RST_Time when the UnderVoltage is maintained continuously after the UnderVoltage accident For example if the...

Страница 27: ...C o m m 1 P r o t o c o l M o d B u s 2 B a u d r a t e 1 9 2 0 0 3 S l a v e A d d r 1 Press Key in RS 485 Comm screen then it will exit this menu and convert to the upper menu Category Range Default...

Страница 28: ...e upper menu System Config Power system FREQ Setting It is a category to set the common frequency used in the system where the relay is used There are two categories 50Hz and 60Hz and for cable using...

Страница 29: ...fig T S Output T S 1 1 CON Setting It is a category to select in which condition to operate the output connection The types and meanings to connect output connection are as follows Connection Descript...

Страница 30: ...2 5 3 System Config Password Setting It is a category to change the Password Setting and the password is set as 4 digits using the numbers from 0 to 9 Select 3 Password category in Config then the fo...

Страница 31: ...the new fault is stored Select 1 Display Fault category in Recorder then the following screen appears D i s p l a y F a u l t s 1 C o u n t e r 3 2 E l e m e n t U V R 3 T i m e 1 0 0 m s 4 V a 6 9 8...

Страница 32: ...check the condition of LCD and LED on the relay front side Select 1 Display Test in Test then the following screen appears If you don t want the Display Test in the Display Test Screen press Key then...

Страница 33: ...f f 3 T S 3 O f f 4 T S 4 O f f 5 T S 5 O f f 6 H A l a r m O n To test T S1 T S5 connections after selecting the desired connection press Key to change to On and press ENTER Key then after the connec...

Страница 34: ...ower Fail CPU Watchdog CPU Memory Setting 4 RS 485 comm 1 Protocol MODBUS 2 Baudrate 300 600 1200 2400 4800 9600 19200 bps 3 Slave Addr 1 254 5 System Config 1 Power System 1 FREQ 50Hz or 60Hz 2 P_PT_...

Страница 35: ...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 you have to repea...

Страница 36: ...nects 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 communicate wit...

Страница 37: ...igure and selects the relay to be controlled remotely To communicate with GDR D01 select GDR D01 and press OK button Figure 7 2 Relay Selecting 7 3 Communication Port Configuration This function selec...

Страница 38: ...the stored system configuration and Protection setting and press PC Relay to input the current Setting screen contents to the relay Also press Save to store the Setting screen contents as gdr file an...

Страница 39: ...Digital UnderVoltage Relay GDR D01 User s Manual V1 10 39 47 Kyongbo Electronics Co Ltd Figure 7 4 GDR D01 Setting...

Страница 40: ...y menu so please refer to 6 Display and Setting Mode Figure 7 5 GDR D01 Status SetGDRSeries Measurement unit is kV Click Read button then it shows the last fault content stored in the relay Click RST...

Страница 41: ...47 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 through the communic...

Страница 42: ...GDR D01 User s Manual V1 10 42 47 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 address and phone...

Страница 43: ...MODE OFF 7 RST_TIME 2 RS 485 comm 1 Baudrate 19200 bps 2 Slave Addr 1 3 System Config 1 Power System 1 FREQ 60Hz 3 P_PT_RAT 1 1 2 T S OutPut 1 T S1 1 CON UVR 2 RST SELF 3 DLY 0 00Sec 2 T S2 1 CON UVR...

Страница 44: ...Digital UnderVoltage Relay GDR D01 User s Manual V1 10 44 47 Kyongbo Electronics Co Ltd Appended 1 Dimensioned Drawings Unit mm...

Страница 45: ...User s Manual V1 10 45 47 Kyongbo Electronics Co Ltd Appended 2 Internal Block Diagram Appended 4 External Connection Diagram Cation 1 External connection diagram is example 2 R y He AI contact out st...

Страница 46: ...Digital UnderVoltage Relay GDR D01 User s Manual V1 10 46 47 Kyongbo Electronics Co Ltd Appended 4 UnderVoltage Element Inverse Time Characteristic Curve...

Страница 47: ...Digital UnderVoltage Relay GDR D01 User s Manual V1 10 47 47 Kyongbo Electronics Co Ltd Appended 6 UnderVoltage Element Definite Time Characteristic Curve...

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