ABB RTAC-01 After sales service is provided for the control card of the power supply device

Description

Packaging details: if you need an urgent delivery order, please feel free to contact us, and we will do our best to meet your needs.

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In addition, the commissioning stage can be further accelerated, minimizing the possibility of errors, by directly configuring the
protection trip unit with the DOC design software settings.
Cartridge-type modules that are easily installed on-board enable the units to be integrated into the most complex systems.
Additional functions can be created, such as:
– Synchrocheck, to check the synchronization of the two half-busbars before enabling circuit-breaker closing;
– Communication with all supervision systems available in the Modbus, Profibus and DeviceNet protocols as well as the
modern Modbus TCP, Profinet and EtherNet/IP protocols;
– Integration into Smart Grids thanks to the possibility of communicating without the assistance of any external converter,
according to standards (IEC 61850) already in use in the automation systems of high and medium voltage substations;
– Multi-voltage supply module, which enables the protection trip unit and modules present to be supplied with any auxiliary
voltage available in direct or alternating current;
– Programmable logic management thanks to Ekip Signalling modules that make a high number of electrical input and output
contacts;
– Logical interlocks between circuit-breakers, which can be made with the Ekip Link proprietary communication protocol,
avoiding complex wiring thanks to the transmission of all signals via bus;
– Increase of current-carrying capacity in switchgear of the circuit-breaker by means of Ekip Fan which continuously monitors
the internal temperature at the fixed part and activates cooling fans if the temperature is too high.

Overload (L – ANSI 49): with inverse long-time delay trip of the type t = k/l2 available with 25 current
thresholds and 8 curves, it provides effective protection of all systems. A pre-alarm warning is also
available on reaching 90% of the threshold set.
Time-delayed overcurrent (S – ANSI 51 & 50TD): with constant tripping time (t = k), or with constant
specific let-through energy (t = k/l2), it provides 15 current thresholds and 8 curves, for fine adjustment.
The function can be excluded by setting the dip switch combination to “OFF”.
Thermal memory: for L and S protection functions, this is used to protect components, such as
transformers, from overheating following an overload. The function, which can be enabled by the Ekip
Connect software, adjusts the protection tripping time according to the length of time that has elapsed
since the first overload, taking into account the amount of heat generated.
Instantaneous overcurrent (l – ANSI 50): with tripping curve without intentional delay, it offers 15
tripping thresholds and can be excluded by setting the dip switch combination to “OFF”.
Earth fault (G – ANSI 51N & 50NTD): with tripping time independent of current (t = k) or constant
specific let-through energy (t = k/l2). The function can be excluded by setting the dip switch combination
to “OFF”.
Neutral protection: available at 50%, 100% or 200% of the phase currents, or disabled,
it is applied to the overcurrent protections L, S and I.