NOVAR 300 Operation & Maintenance Manual
NOVAR_CM
Page 2 of 29
CONTENTS
1. INTRODUCTION..................................................................................................................................3
1.1 APPLICATION....................................................................................................................................3
1.2 DESCRIPTION AND OPERATION ...................................................................................................6
2. TECHNICAL SPECIFICATION ...........................................................................................................7
2.1 RATINGS, OPERATING RANGES & FEATURES...........................................................................7
2.2 ELECTROMAGNETIC COMPATIBILITY (EMC) ............................................................................11
2.3 EUROPEAN LOW VOLTAGE DIRECTIVE (LVD)..........................................................................11
3. COMMISSIONING .............................................................................................................................12
3.1 SYSTEM CONNECTIONS ..............................................................................................................12
3.2 USER ADJUSTMENTS ...................................................................................................................13
3.3 SETTING OF DUAL-IN-LINE SWITCH...........................................................................................15
3.3.1 Sequence ..................................................................................................................................15
3.3.2 Safety Lockout Time .................................................................................................................16
3.3.3 Stage Limit.................................................................................................................................17
3.4 SETTING OF C/K VALUE................................................................................................................18
3.4.1 Examples of Calculation and C/K Settings...............................................................................18
3.5 SETTING OF TARGET COS PHI....................................................................................................19
3.6 CONNECTION ERRORS ................................................................................................................20
3.7 USE OF EXPANDED DISPLAY ......................................................................................................20
4. FAULT FINDING AND TEST PROCEDURES.................................................................................22
4.1 FAULT FINDING ..............................................................................................................................22
4.1.1 Connection error .......................................................................................................................22
4.1.2 Low system voltage...................................................................................................................22
4.1.3 System current errors................................................................................................................22
4.1.4 Incompatible settings ................................................................................................................22
4.1.5 Factory programmed settings...................................................................................................22
4.1.6 Input magnitude errors and transients......................................................................................23
4.1.7 Internal NOVAR hardware fault ................................................................................................23
4.1.8 Perceived software fault............................................................................................................23
4.1.9 Capacitors permanently connected..........................................................................................23
4.1.10 Hunting ....................................................................................................................................23
4.2 TEST PROCEDURES .....................................................................................................................24
4.2.1 Test equipment..........................................................................................................................24
4.2.2 Test sequences.........................................................................................................................24
5. SERVICING........................................................................................................................................26
5.1 OUT OF SERVICE...........................................................................................................................26
5.2 IN SERVICE .....................................................................................................................................26
5.3 FITTING OF LOCKABLE FRONT COVER.....................................................................................27
6. CIRCUIT DESCRIPTION...................................................................................................................28