General guidelines
This manual provides general information on how to operate the IG/IS-NT controller via InteliVision 5,
InteliVision 8, IS-Display or from the front panel of InteliGen
NT
GC or InteliMains
NT
GC. This manual is
intended for everybody who is concerned with operation and maintenance of the gen-set.
Description of the controller system
NT family controllers are comprehensive AMF-controllers for single and multiple generating sets
operating in stand-by or parallel modes. Synchronizer, isochronous load sharer, Mains and Generator
protections allow for a total integrated solution for gen-sets in stand-by and parallel modes with
multiple engine support.
NT family controllers (IG-NT, IG-NTC, IG-NT-BB, IG-NTC-BB, IS-NT-BB, IS-NTC-BB, IM-NT, IM-NT-
BB and IM-NTC-BB) could be equipped with a powerful colour display showing icons, symbols and
bar-graphs for intuitive operation, which sets, together with high functionality, new standards in gen-set
controls.
The controller automatically starts the gen-set, closes the gen-set C.B. when all conditions are met,
then stops the engine on external signal or by pressing push buttons.
Parallel to Mains operation can be achieved without additional HW. Forward and reverse
synchronizing, Mains protection including vector shift, load and power factor control, earth fault
protection are the major functions provided. Interfacing to foreign synchronizers and load sharers is
supported.
The key feature of NT family controllers is their easy-to-use installation and operation. Predefined
configurations for typical applications are available as well as user-defined configurations for special
applications.
Conformity declaration
Following described machine complies with the appropriate basic
safety and health requirement of the EC Low Voltage Directive
2006/95/EC and EC Electromagnetic Compatibility Directive
2004/108/EEC based on its design and type, as brought into circulation
by us.
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