Accura 2300/2350 User Guide
Chapter 1 Introduction
ⓒ
2011 Rootech Inc. All Rights Reserved
Page 25
Features
Accura 2300 Distribution Panel Digital power meter
Accura 2300 collects data from all Accura 2350s connected by 6C telephone line
1
, and selectively displays
measurements of one Accura 2350 on its LCD screen.
Accura 2300
Function
Communication Combination Structure with Accura 2350s
Collects data from multiple Accura 2350s connected to Accura 2300
Measurement Display of Accura 2350-3P/1P/3PSC/1PSC/1PSCSH selected on its LCD
screen
Display
LCD display of measurements of Accura 2350
2
Measurement
Sampling/cycle for harmonic analysis
64
Sampling/cycle for RMS and power calculation
32
Measurement frequency range
50/60Hz, 42 - 69Hz
Voltage
±
0.2% RD
Current
±
0.2% RD[
±
0.5% RD
16
]
Power, Power factor
IEC62053-22 Class 0.5S[0.2S
17
]
Demand, Peak demand, Predicted demand
4,5
Maximum, minimum after reset
Maximum
5
, minimum
5
, average
5
in aggregation interval
14
4-Quadrant Energy
Received energy, delivered energy
IEC62053-22 Class 0.5S[0.2S
17
]
Net energy[received energy - delivered energy]
Sum energy[received delivered energy]
Power Quality
Voltage/current THD
11
, current TDD
11
Up to 31
st
harmonic
Crest factor
12, 5
, K-factor
13, 5
Dip[Sag], Swell
IEC61000-4-30
Unbalance[voltage, current]
5
NEMA MG1
Zero-sequence/Negative-sequence unbalance[voltage, current]
5
IEC61000-4-30
Vector diagram
5
5
Measuring Event
Dip[Sag], Swell event
Half-cycle refreshed 1-cycle RMS measurement
Phase open event
Fuse fail event
Over temperature event
Over current event
Over leakage current event
Over demand current event
Over power event
Number of event logs
Maximum 100
Содержание Accura 2300 Front
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