SLM
102 – Operational Manual
TRINITY
[8]
Table 1- Percentage Error Limits for Power
Value of Current
Power Factor
Percentage Error Limits
0.01 Ib
≤
I < 0.05 Ib
1.0
±0.4
0.05 Ib
≤
I
≤
Imax
1.0
±0.2
0.02 Ib
≤
I < 0.1 Ib
0.5 Lagging
±0.5
0.8 Leading
±0.5
0.1 Ib
≤
I
≤
Imax
0.5 Lagging
±0.3
0.8 Leading
±0.3
Energy
Parameter
Mode
Type
Statistics
3P4W
3P3W
Total Active
Energy (KWh)
Range of reading
Accuracy
: 0 to 9999999.9 MWh
:
0.2S as per IS14697:1999.
√
√
Total Reactive Energy
(KVARh)
Range of Reading
Accuracy
: 0 to 9999999.9 MVARh
:
0.2S as per IS 14697:1999.
√
√
Total Apparent Energy
(KVAh)
Range of Reading
: 0 to 9999999.9 MVAh
√
√
Demand
Parameter
Mode
Statistics
Symbol
3P4W
3P3W
Active Power
(KW) Demand : Sliding & Fixed Selectable
KWDMND
√
√
Apparent Power
(KVA) Demand : Sliding & Fixed Selectable
KVADMND
√
√
Power Quality
Parameter
Mode
3P4W
3P3W
Harmonics for Voltages(3
rd
to 29
th
)
√
√
Harmonics for Currents(3
rd
to 29
th
)
√
√
THD for each voltage
√
√
THD for each current
√
√
