D-500L Firmware V-5.8
K35D03-EN - 19 -
CONNECTING CTs:
Be sure of connecting each CT to the related phase input with the correct polarity. Mixing CTs between
phases will cause faulty power and pf readings.
Many combinations of incorrect CTs connections are possible, so check both order of CTs and their
polarity. Reactive power measurement is affected by incorrect CTs connection in similar way as active
power measurement.
CORRECT CT CONNECTIONS
Let’s suppose that the genset is loaded with 100 kW on each phase. The load Power Factor (PF) is 1.
Measured values are as follows:
kW
kVAr
kVA
pf
Phase L1
100.0
0.0
100
1.00
Phase L2
100.0
0.0
100
1.00
Phase L3
100.0
0.0
100
1.00
Total
300.0
0.0
300
1.00
Current Transformers must be used for current
measurement. No direct connection allowed.
No common terminals or grounding allowed.
Содержание D Series
Страница 30: ...D 500L Firmware V 5 8 K35D03 EN 30 4 3 3 PHASE 3 WIRE DELTA 4 2 3 PHASE 4 WIRE STAR ...
Страница 31: ...D 500L Firmware V 5 8 K35D03 EN 31 4 4 3 PHASE 4 WIRE DELTA 4 5 3 PHASE 3 WIRE DELTA 2 CT L1 L2 ...
Страница 32: ...D 500L Firmware V 5 8 K35D03 EN 32 4 7 2 PHASE 3 WIRE DELTA 2 CTs L1 L2 4 6 3 PHASE 3 WIRE DELTA 2 CT L1 L3 ...
Страница 33: ...D 500L Firmware V 5 8 K35D03 EN 33 4 9 1 PHASE 2 WIRE 4 8 2 PHASE 3 WIRE DELTA 2 CTs L1 L3 ...
