ELECTRONICS EARTH-FAULT CONTROLLER
Trailblazing systems for a safer and greener world
Trailblazing systems
for a safer and greener world
EARTH-FAULT CONTROLLER
90-240 V AC/DC
Trench’s Earth-Fault Compensation Controllers are advanced systems designed to adjust Arc Suppression Coils (ASCs), to further compensate for earth fault currents, thereby increasing both the safety and efficiency of the system, even under extreme conditions.
CHARACTERISTICS
- Universal controller for any brand of ASC adjustable under load
- Built-in 7″ color touch screen
- Remote display installation possible (communication via Ethernet)
- Can be installed in a standard 19″ rack
- Resonance peak through small coil adjustment control mode
APPLICATION AREAS
- Compensated (resonant earthed) electrical systems
- Power distribution network
- Automatic tuning of Arc Suppression Coil
MAIN FEATURES
Trust in our tailor-made solutions for your unique needs
EFC 60s
Trench's EFC60s offers all the proven and established algorithms for tuning arc suppression coils to network conditions. Combining this with a modern hardware design and an easy to use operating concept.
EFC 60m
Superior multi-frequency current injection mode, making the tuning process resistant to network interferences. Current injection is mechanically and electrically integrated in the 19" rack design.
Optional Current Injection Device
ECI, the Current Injection Device is designed to generate differential measurements by injecting current into the zero-phase sequencing system.
Design Features
With customized and parameterized LEDs on the front display. Highly flexible due to software controlled inputs and outputs, free assignment of digital outputs to different status functions.
Hardware Options
Supplied with alternative power supply, additional external digital inputs and outputs and an IEC 61850 Ed2 module. Different assembly options are supported.
Software options
Supports multiple controllers on the same network with various options: external circuit breaker, resistor, fixed coil control, SCADA, automatic Vo > Vmax switch and vectorial trigger.
PRODUCT APPLICATIONS
Automatic control
of ASC
Ensuring earth fault current compensation
A controller which ensures compensation of the earth fault current – thanks to its ability for automatically tuning an ASC by evaluating the resonance voltage maximum or by measuring the resonance circuit impedance.
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