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Arc Protection Relay

Product

 Guide

REA 10_

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. ElectricalPartManuals 

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Summary of Contents for REA 10 Series

Page 1: ...Arc Protection Relay Product Guide REA 10_ w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 3: ...ion to arcing short circuits even arcing earth faults with current levels below normal load current can be detected and interrupted already before they escalate to two or three phase short circuit Normally applied bus bar protection relaying arrangements may be too slow to ensure safe fault clearance times at arc faults E g opera tion time of the overcurrent relay controlling the incoming CB may h...

Page 4: ...omatic reference level is selected the unit forms the reference level based on the backlight intensity measured by the sen sor When the manual reference level is selected the unit forms the reference level based on the value that was selected with the light ref erence level adjustment potentiometer on the front panel The sensor fiber condition is monitored by sending a test pulse through the fiber...

Page 5: ... Light position the overcurrent signal is constantly active and tripping is activated by an arc alone When a trip signal is delivered the trip outputs are latched in active state The outputs can be reseted either by pushing the Reset button on the relay s front panel or by using a reset signal applied to RESET input Ports A and B for connecting extension units The selection switches are used to ac...

Page 6: ...oned in the above sections the self supervision unit IRF mon itors the operating voltage of the relay If a fault is detected in the operating voltages the self supervision unit prevents the relay from operating In addition the IRF LED of the central unit is lit and the IRF relay resets The self supervision signal output operates on the closed circuit principle as presented in the figure below Unde...

Page 7: ... loop Extension unit REA 107 The Arc Protection Module REA 107 is an extension unit designed to be used together with the central unit Arc Protection Relay REA 101 The function of the REA 107 unit is to detect light and to provide the REA 101 relay with information about this The use of the extension unit allows the pro tection area to be extended and the protected object to be divided into smalle...

Page 8: ...rry for 3 s 15 A Breaking capacity for DC when the control circuit time constant L R 40 ms at 48 110 220 V DC 5 A 3 A 1 A Signal contacts IRF Rated voltage 250 V DC AC Continuous carry 5 A Make and carry for 0 5 s 10 A Make and carry for 3 s 8 A Breaking capacity for DC when the control circuit time constant L R 40 ms at 48 110 220 V DC 1 A 0 25 A 0 15 A Table 4 Control input Reset input RESET Con...

Page 9: ...under quiescent operating conditions 2 7 W 3 7 W REA 107 operating voltage over the port of REA 101 Power consumption of relay under quiescent operating conditions 1 7 W 2 7 W Table 8 Sensor fiber Maximum length without splices or with one splice 60 m Maximum length with two splices 50 m Maximum length with three splices 40 m Service temperature range 35 80 C Smallest permissible bending radius 50...

Page 10: ...magnetic compatibility tests EMC immunity test level meets the requirements listed below 1 MHz burst disturbance test according to IEC 60255 22 1 class III Common mode 2 5 kV Differential mode 1 kV Electrostatic discharge test according to IEC 61000 4 2 class IV and ANSI IEEE C37 90 3 200 For contact discharge 8 kV For air discharge 15 kV Radio frequency electromagnetic field disturbance test acco...

Page 11: ...continuous Voltage dips and short interruptions according to IEC 61000 4 11 30 10 ms 60 100 ms 60 1000 ms 95 5000 ms Table 17 CE approval Complies with the EMC directive 89 336 EEC and the LV directive 73 23 EEC EN 50263 EN 60255 6 Table 18 Mechanical tests Vibration tests sinusoidal according to IEC 60255 21 1 class 1 Shock and bump test according to IEC 60255 21 2 class 1 Seismic tests according...

Page 12: ...tective cover Fig 5 Flush mounting and semi flush mounting of REA 101 4 10 ABB flush1_3 16 5 D 135 2 1 254 3 1 20 15 Measure D 218 5 mm without protective cover 228 6 mm with protective cover semifl1_3 D 106 5 Measure D 128 5 mm without protective cover 138 6 mm with protectivecover Fig 6 Surface mounting of REA 101 wallmoun A B C Wall M4x6 TORX M5x8 TORX M6x12 TORX w w w E l e c t r i c a l P a r...

Page 13: ...29 MBG 13 Fig 7 Dimensions of REA 103 44 6 203 3 182 6 170 3 160 5 ø 5 0 dim103 Fig 8 Dimensions of REA 105 49 6 203 3 182 6 170 3 160 5 ø 5 0 dim105 Fig 9 Dimensions of REA 107 dim107 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 14: ...ass fiber Un 110 240 V AC Un 110 250 V DC REA101 AAAGa Arc protection relay REA 101 with optolink connectors for glass fiber Un 24 60 V DC REA101 CAAGa Rear plate protective cover 1MRS 060196 Mounting kit for semi flush mounting 1MRS 050254 Mounting kit for surface mounting 1MRS 050240 Mounting kit for connecting cases together 1MRS 050241 Mounting kit for 19 rack 1MRS 050258 Extension unit REA 10...

Page 15: ...nufactured lens sensors for REA 101 REA 103 and REA 105 2 m 3 1MRS 120536 2 3 m 3 1MRS 120536 3 5 m 3 1MRS 120536 5 10 m 3 1MRS 120536 10 Spare parts for lens sensors Light collecting lens 1MRS060743 Cables for connecting REA 101 to an extension unit or the extension units to each other 1 m 3 1MRS 120511 001 3 m 3 1MRS 120511 003 5 m 3 1MRS 120511 005 10 m 3 1MRS 120511 010 15 m 3 1MRS 120511 015 ...

Page 16: ...essfully tested fibers from the following manufacturers Draka NK Cables Brügg Kabel AG Technical data for glass fiber Type Multimode graded index OM1 ISO IEC11801 Diameter 62 5 125 µm core gladding Attenuation Max 3 5 dB km at 850 nm wavelength Tip polishing shape Rounded fiber tip Connector ST type w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 17: ...s Additional information REA 101 Operator s Manual 1MRS 751003 MUM EN REA 103 Operator s Manual 1MRS 751004 MUM EN REA 105 Operator s Manual 1MRS 751005 MUM EN REA 107 Operator s Manual 1MRS 752135 MUM EN w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 20: ...ABB Oy Distribution Automation P O Box 699 FI 65101 Vaasa FINLAND Tel 358 10 22 11 Fax 358 10 224 1094 www abb com substationautomation w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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