KEB COMBIVERT F6 Instructions For Use Manual - page 36
3.6.4 Overcurrent and short-circuit protection
The cabinet system has integrated the following protective devices.
Drive converter
• Two integrated inverters with electronic current measuring system.
• The possibility to monitor the input and the output current.
• OC-tripping current up to 150% depending on the operating mode.
• Active U
CE
detection at approx. 5 times of the indicated rated current.
circuit breaker
• Switching on and off of currents under operating conditions.
• Protection of electrical equipment against thermal overload and short circuit.
• Depending on version, additional protection functions (residual current protection, earth
fault protection).
• Can be used for energy management by recognition of load peaks and deliberate
load shedding.
Supply monitoring
• Integrated DEIF GPU-3 for supply monitoring with additional current sensors.
• The GPU-3 contains all required three-phase measuring circuits.
• Integration with the C6 control to display all relevant parameters on the HMI.
• Additional network and device protection.
• Freely programmable for applications.
The following functions are available:
• Synchronisation / load distribution.
• Mains / generator / motor protection.
• Programmable logic (M-logic).
• Motor protection with back-up via shutdown unit.
• Control via PLC.
•
J1939 motor communication / Modbus / Profibus / TCP / IP.
• Several displays.
• Additional operating units.
• Monitoring and protection of generator and busbar.
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FUNcTIONAL OVErVIEW