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REF610 is a feeder IED for protection, measuring and supervision of utility and industrial distribution power systems. REF610 is a member of ABB’s Relion® protection and control product family and part of its 610 product series. The 610 series includes IEDs for feeder protection, motor protection and general system voltage supervision. The plug-in design of the 610 series IEDs facilitates the commissioning of the switchgear and enables fast and safe insertion and withdrawal of IED plug-in units.（610 series, click to learn: REM610 、REU610）
Application：REF610 is primarily intended for the protection of incoming
and outgoing feeders in distribution substations of resistance
earthed and solidly earthed power systems. REF610 is suitable for employment in marine and off-shore environments.
Supplied with an optional arc protection function REF610 also
provides fast substation busbar arc-fault protection. REF610s
are also used for back-up protection of motors, transformers
and generators to increase protection redundancy in critical
utility and industrial applications.
Protection： REF610 offers overcurrent and thermal overload protection
for cable feeders, non-directional earth-fault protection
and phase discontinuity protection, and three-phase, multishot auto-reclose functions for overhead line feeders.
Enhanced with an optional plug-in card the IED also offers
two light detection channels allowing arc fault protection
of switchgear busbar systems and cable terminals.
Standardized communication： REF610 supports a wide range of standard communication
protocols, including IEC 61850, IEC 60870-5-103, Modbus®,
Profibus, DNP3, SPA and LON.
Disturbance recorder： The 610 series IEDs feature an integrated disturbance
recorder for logging events and registering transient variables
before, during and after a network disturbance situation.
The disturbance recorder includes four analog channels and
eight binary channels, which can be assigned by the user to
the analog and digital signals requiring monitoring to enable
subsequent post-fault analyses of power system events.
Supervision： To ensure continuous availability of protection the 610 series
IEDs feature extensive self-supervision of the function of
the digital circuitry and the software. The IED also includes
an integrated trip-circuit supervision function monitoring the
external trip signal path. When a permanent IED fault is
detected, the IED’s protection stages and outputs will be
blocked to prevent malfunction. Further, a LED indicator will
light up and an alert message for remote fault indication
will be generated.
Unique plug-in design： The patented IED case and the plug-in type IED unit speed
up installation, testing and maintenance of the device.
A convenient pull-out handle with built-in release enables
quick removal of the plug-in unit and insertion of a
replacement unit. The IED case is fitted with an automatic
short-circuiting mechanism to prevent hazardous voltages
from arising in the CT secondary circuits should an IED unit
be withdrawn from the case in live switchgear.
| ABB REF610 Feeder protection |
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