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TB XRI1-IR 02.00 E

5.1.1

Indication of measuring values
and fault data

Indication in faultless condition

In normal operation the display always shows |SEG.

After pressing the push button <SELECT/RESET> the

display switches cyclically to the next measuring value.

After the measuring values had been indicated the set-

ting parameters are displayed. Hereby the LEDs in the

upper section signalize which measured value is indi-

cated, the LEDs in the lower section signalize which

setting parameter is indicated on the display. Longer

actuating the push button resets the relay and the dis-

play changes into normal operation (|SEG).

Indication after pickup / tripping

All of the faults detected by the relay are indicated on

the front plate optically. Here not only the faults are

indicated but also the faulty phase(s) and the protec-

tion function in operation. At pickup the LEDs are flash-

ing, after tripping this changes to continuous light.

In tripped condition "TRIP" appears on the display and

the LEDs of the operating measuring data light up red

together with the LEDs of the tripping parameter. All

operating data, which were measured at the moment

of tripping, can now be called one after another by

pressing push button <SELECT/RESET>. If in this condi-

tion setting parameters are to be indicated, push but-

ton <ENTER> has to be pressed.

The graphic below shows again the difference be-

tween the different display modes.

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Fig. 5.2: Switching over of the display in dependence of the operating mode

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Содержание XRI1-IR

Страница 1: ...XRI1 IR Digital multifunctional relay for time overcurrent protection ...

Страница 2: ... delay for high set element tI 6 1 7 Relay characteristic angle RCA 6 1 8 Nominal frequency 6 1 9 Adjustment of the slave address 6 1 10 Circuit breaker failure protection tCBFP 6 1 11 Display of the activation storage FLSH NOFL 6 1 12 Blocking the protection functions and assignment of the output relays 6 2 Setting value calculation 6 2 1 Definite time overcurrent element 6 2 2 Inverse time overc...

Страница 3: ...nt relay and inverse time overcurrent relay Selectable inverse time characteristics according to BS 142 and IEC 255 4 Normal Inverse type A Very Inverse type B Extremely Inverse type C Reset setting for inverse time characteristics select able High set overcurrent unit with instantaneous or de finite time function Two element low and high set overcurrent relay both for phase and earth faults Direc...

Страница 4: ...ls C1 C1L or C1 C1H See chapter 6 2 12 3 1 3 External reset input By applying the aux voltage C2 C2L or C2 C2H indication and output relays are reset see chapter 6 4 3 1 4 Output relays default settings The XRI1 IR is equipped with 5 output relays Apart from the relay for self supervision one relay with 2 changeover contacts for signalling all protective func tions can be optionally assigned Outpu...

Страница 5: ...ring values can be achieved by HTL PL Soft3 which will be provided on request to gether with the relay The XRI1 IR can be connected to other units of PROFESSIONAL LINE via interface If there is more than 1 relay in the system the last relay of the chain has to be provided with a resistor line termination Fig 3 2 Connection example with 3 users XR as linked device Fig 3 3 Connection example with 3 ...

Страница 6: ...ation elements The front plate of protection relays comprises the fol lowing operation and indication elements Alphanumerical display 4 Digits Push buttons for setting and other operations LEDs for measured value indication and setting Fig 3 4 Front plate XRI1 IR ...

Страница 7: ...s and other fault data SELECT RESET one time for each phase L1 L2 L3 E I I IE IE UE Save parameter SAV ENTER Delete failure memory wait SELECT RESET Enquiry failure memory FLT1 FLT2 L1 L2 L3 E I I IE IE Save parameter SAV ENTER for about 3 s Software version First part e g D01 Sec part e g 8 00 TRIP one time for each part Manual trip TRI TRIP three times Inquire password PSW TRIP ENTER Relay tripp...

Страница 8: ... IR I CHAR I tI 0s 60s 1 I tI RCA tCBFP 50 60 Hz LED Flash RS485 Slaveaddress Table 3 2 Parameter values 1 Reset setting for inverse time characteristics in phase current path Additional parameters Relay type XRI1 IR Blocking mode Relay parameterizing Fault recorder Table 3 3 ...

Страница 9: ...ed with the relay settings If a phase current exceeds the pickup value an alarm is given and after the set trip delay has elapsed the corresponding trip relay is acti vated The relay setting values for all parameters are stored in a parameter memory EEPROM Electrically Erasable Programmable Read only Memory so that the actual relay settings cannot be lost even if the power supply is interrupted Th...

Страница 10: ...ime delay in case of refusal of the relay or the circuit breaker on the faulted line If the trip delay for backward faults is set out of range on the display EXIT the relay will not trip in case of backward faults 4 4 Requirements on the main current transformers The current transformers have to be rated in such a way that a saturation should not occur within the fol lowing operating current range...

Страница 11: ... approx 3s As for an individual case relay version D the push but ton can also be operated when the front cover of the relay is closed and sealed with lead Push buttons are used for in decrementing of the parameter indicated on the display They can be pressed step by step or continuously After the selected parameter is set by the push button it may be stored using the ENTER push button Through the...

Страница 12: ...he front plate optically Here not only the faults are indicated but also the faulty phase s and the protec tion function in operation At pickup the LEDs are flash ing after tripping this changes to continuous light In tripped condition TRIP appears on the display and the LEDs of the operating measuring data light up red together with the LEDs of the tripping parameter All operating data which were...

Страница 13: ...e fault current is interrupted Dip switch 3 ON All output relays remains activated and must be reset after fault clearence Manually By pressing push button SELECT RESET External By connecting aux voltage to C2 C2L or C2 C2H Via RS 485 interface To let the parameter change take effect the auxiliary voltage has to be switched on and off again after the dip switches are plugged or unplugged Dip switc...

Страница 14: ... wanted to be stored After pressing the ENTER push button again the password will be inquired by means of the message PSW on the display After the password is given correctly which is prompted by message SAV on the display the new setting value can be stored by pressing the ENTER push button for about 3 seconds The new setting value for the selected parameter appears on the display again A passwor...

Страница 15: ...blocking function of the XRI1 IR relays can be set according to requirement When pressing push buttons ENTER and TRIP at the same time the blocking mode is entered 5 6 Display of software version and test TRIP By pressing push button TRIP the first part of the software version is displayed the second part appears when this push button is pressed again When push button TRIP is pressed repeatedly th...

Страница 16: ...value is shown on the display The new setting value can then be changed by using push buttons If through a new setting another relay characteristic other than the old one has been chosen e g from DEFT to NINV but the time delay setting has not been changed despite the warning from the flashing LED the relay will be set to the most sensitive time setting value of the selected characteristics after ...

Страница 17: ... 7 Relay characteristic angle RCA The characteristic angle for directional feature in the phase current path can be set by parameter RCA to 15 27 38 49 61 72 or 83 leading to the respective reference voltage see chapter 4 3 6 1 8 Nominal frequency The adapted FFT algorithm requires the nominal fre quency as a parameter for correct digital sampling and filtering of the input currents By pressing SE...

Страница 18: ...ar to the setting of parameters however only in the assignment mode The assignment mode can be reached only via the blocking mode By pressing push button SELECT RESET in blocking mode again the assignment mode is selected The relays are assigned as follows LEDs I I IE IE are two coloured and light up green when the out put relays are assigned as alarm relays and red as tripping relays In addition ...

Страница 19: ...splay Lighted LED 1 2 3 4 indication I V alarm X _ 2 _ _ I green tI V tripping X 1 _ _ _ tI green I R alarm X _ 2 _ _ I red tI R tripping X 1 _ _ _ tI red I V IE alarm X _ 2 _ _ IIE green tI V tripping X 1 _ _ _ tIE green I R IE alarm X _ 2 _ _ IE red tI R tripping X 1 _ _ _ tI red Table 6 2 Example of assignment matrix of the output relay default settings V foreward direction R backward direction...

Страница 20: ... Current transformer ratio 400 5A Maximum expected load current 300A Overload coefficient 1 2 assumed Starting current setting Is 300 400 x 1 2 0 9 x IN Time multiplier setting The time multiplier setting for inverse time overcurrent is a scale factor for the selected characteristics The characteristics for two adjacent relays should have a time interval of about 0 3 0 4 s High set element I The h...

Страница 21: ...hen the fault occured are now blinking to indicate that it is not a current fault LEDs which were blinking during trip conditions element had picked up just briefly flash If the relay is still in trip condition and not yet reset TRIP is still displayed no measuring values can be shown To delete the trip store the push button combina tion SELECT RESET and has to be pressed for about 3 s The display...

Страница 22: ... display shows the second part of the soft ware version of the relay e g 4 01 The software version should be quoted in all correspondence Press ing the TRIP button once more the display shows PSW Please enter the correct password to proceed with the test The message TRI will follow Confirm this message by pressing the push button TRIP again All output relays should then be activated and the self s...

Страница 23: ...trated in Figure 7 1 is applied to test the directional feature of the relay and the current source is connected to phase 1 current input 1S1 1S2 then the voltage source should be connected to relay terminals L2 L3 In order to test the directional feature parameters have to be set in compliance with table 7 2 Then a test vol tage equivalent to the rated voltage is connected to terminals L2 L3 and ...

Страница 24: ... LED lights up green If the angle is now changed beyond the margi nal regions the LED changes from green to red Relay 2 drops and relay 3 responds This test must be repeated for current inputs 12 and 13 To check the trip delays for forward and backward di rection they have to be set differently because there s only one trip relay for both directions Great care must be taken to connect the test cur...

Страница 25: ...also to be used for the other phases 7 4 5 Checking the relay operating time To check the relay operating time a timer must be connected to the trip output relay contact The timer should be started simultaneously with the current injec tion in the current input circuit and stopped by the trip relay contact Set the current to a value corresponding to twice the operating value and inject the current...

Страница 26: ...urrent and voltage transformers with the primary side energized Since the cost and poten tial hazards are very high for such a test primary in jection tests are usually limited to very important protec tive relays in the power system Because of its powerful combined indicating and measuring functions the XRI1 IR relay may be tested in the manner of a primary injection test without extra ex penditu...

Страница 27: ... GL Approbation 98776 96HH Bureau Veritas Approbation 2650 6807 A00 H 8 2 Common data Dropout to pickup ratio 97 Returning time 30 ms Time lag error class index E 10 ms Minimum operating time 30 ms Transient overreach at instantaneous operation 5 Influences on the current measurement Auxiliary voltage in the range of 0 8 UH UHN 1 2 no additional influences can be measured Frequency in the range of...

Страница 28: ...1 0 2 0 5 1 0 2 0 5 0 10 20 s 0 01 0 02 0 05 0 1 0 2 3 from set value or min 2 In 3 or 10 ms 5 for NINV and VINV 7 5 for NINV and EINV I tIE 1 40 x IN EXIT 0 03 2 s EXIT 0 1 0 2 0 5 1 0 x IN 0 01 s 0 02 s 0 05 s 3 from set value or min 2 In 3 or 10 ms 8 3 2 Switch failure protection tCBFP tCBFP 0 1 2 0 s EXIT 0 01 0 02 0 05 0 1 s 1 bzw 10 ms 8 3 3 Interface parameter Function Parameter RS485 Open ...

Страница 29: ...Extremely Inverse type C t I Is t I s 80 2 1 Where t tripping time tI time multiplier I fault current Is Starting current 8 3 5 Direction unit for phase overcurrent relay Directional sensitivity for voltage input circuit 0 025 UN phase to phase voltage at I 1 x IN Connection angle 90 Characteristic angle 15 27 38 49 61 72 83 Effective angle 78 related to relay characteristic angle at UN ...

Страница 30: ...6 7 8 910 20 I IS 0 01 0 1 1 10 100 1000 t s tI 10 0 8 0 6 0 4 0 3 0 2 0 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 0 1 4 Figure 8 2 Extremely Inverse type C 1 2 3 4 5 6 7 8 910 20 I IS 0 1 1 10 100 1000 t s tI 10 0 8 0 6 0 4 0 3 0 2 0 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 0 1 4 Figure 8 3 Very Inverse type B 1 10 I IN 0 01 0 1 1 10 100 t s tI I tI 260 0 03 1 0 40 2 0 0 03 I 0 02 4 0 Figure 8 4 Definite time...

Страница 31: ...e span 30 x 10 6 operating cycles electrical life span 2 x 10 5 operating cycles at 220 V AC 6 A Contact material silver cadmium oxide AgCdO 8 6 Power supply Auxiliary voltage 16 360 V DC 16 270 V AC Power consumption standby 3 W operating 5 W The connection terminals are C9 E9 Max allowed interruption of the auxiliarxy supply without effecting the function of the device 50 ms Propper connection o...

Страница 32: ...IEC 255 5 5 kV 1 2 50 µs 0 5 J High frequency interference test voltage inputs and outputs between themselves and to the relay frame as per EN 60255 6 IEC 255 6 2 5 kV 1 MHz Electrical discharge ESD test as per EN 61000 4 2 IEC 255 22 1 8 kV air discharge 6 kV contact discharge Electrical fast transient Burst test as per EN 61000 4 8 IEC 255 22 1 4 kV 2 5 kHz 15 ms Power frequency magnetic 100 A m...

Страница 33: ... without notice 8 9 Relay case Relay XRI1 IR is designed to be fastened onto a DIN rail acc to DIN EN 50022 the same as all units of the PROFESSIONAL LINE The front plate of the relay is protected with a sealable transparent cover IP40 Fig 6 1 Dimensional drawing dimensions in mm Connection terminals The connection of up to a maximum 2 x 2 5 mm 2 cross section conductors is possible For this the t...

Страница 34: ...34 TB XRI1 IR 02 00 E 9 Order form Time overcurrent relay XRI1 I R 3 phase meauring I I Rated current 1 A 5 A 1 5 Phase fault directional feature Rated voltage 100 V 230 V 400 V 1 2 4 ...

Страница 35: ... Location Relay code Relay functions Password Date Setting of parameters Relay type XRI1 IR Default settings Actual settings I 0 2 x IN CHAR I DEFT tI V tI R 0 03 s 0s 60s Phase 0 s I 1 0 x IN tI V tI R 0 03 s RCA 49 tCBFP 0 2 s 50 60 Hz 50 Hz Pickup indication FLSH RS485 Slave 1 All settings must be checked at site and should the occarision arise adjusted to the object item to be protected ...

Страница 36: ...36 TB XRI1 IR 02 00 E ...

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