2
NV021 - Manual - 08 - 2012
T A B L E O F C O N T E N T S
Copyright ...........................................................................................................................................................................................................5
Warranty ...........................................................................................................................................................................................................5
Safety recommendations ...............................................................................................................................................................................5
Insulation tests ................................................................................................................................................................................................5
Product identification .....................................................................................................................................................................................6
Environment .....................................................................................................................................................................................................6
Graphical conventions ...................................................................................................................................................................................6
Glossary/definitions ........................................................................................................................................................................................6
Preface ........................................................................................................................................................................................................... 10
Input circuits for direct connection .......................................................................................................................................................... 10
Main features .................................................................................................................................................................................................11
Photo ...............................................................................................................................................................................................................11
EMC tests for interference immunity .........................................................................................................................................................12
Emission ......................................................................................................................................................................................................... 13
Mechanical tests .......................................................................................................................................................................................... 13
Climatic tests ................................................................................................................................................................................................. 13
Safety ............................................................................................................................................................................................................. 13
Certifications ................................................................................................................................................................................................. 13
Negative sequence overvoltage - 59V2 .....................................................................................................................................................16
Underfrequency (81U) ..................................................................................................................................................................................16
Overfrequency (81O) .....................................................................................................................................................................................17
Frequency rate of change (81R)................................................................................................................................................................. 18
Breaker failure - BF ...................................................................................................................................................................................... 18
—
—
—
—