Circutor CVM k2 User Manual page 9

CVM k 2
6.1.5.4 Apparent Power ......................................................................................... 98
6.1.5.5 Total Power................................................................................................ 99
6.1.6, POWER fACTOR ......................................................................................... 100
j
6.1.7 COS ........................................................................................................ 100
6.2. DEMAND ............................................................................................................. 103
6.3 ENERGY ............................................................................................................... 104
6.3.1 PRESENT ENERgy ...................................................................................... 104
6.3.2 mONTH ENERgy .......................................................................................... 105
6.3.3 yEARLy ENERgy .......................................................................................... 105
6.4 ExPANSION CARDS ........................................................................................... 106
6.4.1 CARD WITH 8 DIgITAL INPUTS / 8 OUTPUTS ........................................... 106
6.4.2 CARD WITH 8 RELAy INPUTS / 4 OUTPUTS.............................................. 107
6.4.3 CARD WITH 8 ANALOgUE INPUTS / 4 OUTPUTS ..................................... 107
6.4.4 SD-ETHERNET AND SD mEmORy CARD ................................................... 108
6.4.5 SD mEmORy CARD ...................................................................................... 108
6.4.6 ANALOgUE ± 5 mA AND STATIC OUTPUTS CARD .................................... 109
6.4.7 PROfIBUS COmmUNICATIONS CARD ....................................................... 110
7. QUALITY
7.1 HARMONICS ......................................................................................................... 111
7.1.1 VOLTAgE THD ............................................................................................... 112
7.1.2 CURRENT THD.............................................................................................. 113
7.1.3 VOLTAgE HARmONICS ................................................................................ 114
7.1.4 CURRENT HARmONICS ............................................................................... 116
7.2. DISTURBANCES ................................................................................................ 118
7.2.1 fLICKER ........................................................................................................ 118
7.2.1.1 PST Calculation ...................................................................................... 119
7.2.1.2 Real Time Weighted Average Calculation .............................................. 119
7.2.2 K fACTOR ..................................................................................................... 120
7.2.3 UNBALANCE AND ASymmETRy ................................................................. 121
7.2.4 CREST fACTOR ........................................................................................... 122
8. COMMUNICATIONS
8.1. MODBUS/RTU PROTOCOL © ............................................................................ 123
9