ROOTECH Accura 2300 Front, Руководство пользователя

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Accura 2300/2350 User Guide Chapter 4 Accura 2300 Operation/Setup
ⓒ
2011 Rootech Inc. All Rights Reserved Page 129
Display Mode
Front Display
Fig 4.5 Accura 2300 Front View
A
V Voltage
I Current
P Active Power
Q Reactive Power
S Apparent Power
E Energy
PF Power Factor
B
L-N Line-to-neutral
L-L Line-to-line
THD Total Harmonic Distortion[%] 3
FUND Fundamental
E: Upper bar RMS True RMS[Root Mean Square]
UNIT [d][d] 1
Accura 2350 Module ID
TDD Total Demand Distortion[%] 4
Leakage
Leakage current
C
Dip
Dip[Sag] event
A Phase A
Swell
Swell event
B Phase B
MAX
Maximum
C Phase C
DMD
Demand
AB Line-to-line AB
MIN
Minimum
BC Line-to-line BC
F: Lower left LED CA Line-to-line CA
POWER Power[LED on]
LD Lead Power factor
EVENT Event[LED blinks]
LG Lag Power factor
ETHERNET Ethernet[LED blinks]
D
MODULE 2 RS-485 communication with Accura
2350 module[LED blinks]
AVG Three-phase average
TOT Three-phase total
1. d

decimal number. The 10 digits can only be up to 3. Among many Accura 2350 modules connected to Accura 2300,
it displays the Module ID to display measurement information on the LCD screen.
2. MODULE LED blinks only on communication between Accura 2300 and Accura 2350s.
3. THD[Total harmonic distortion], Voltage THD:
√∑
𝑉
𝑘
2 31
𝑘=2
𝑉
1
, Current THD:
√∑
𝐼
𝑘
2 31
𝑘=2
𝐼
1
4. TDD[Total demand distortion], Current TDD:
√∑ 𝐼
𝑘
2 31
𝑘=2
𝐼
𝐿
Where 𝐼
𝐿
can be current rating chosen only on communication between current rating[default] and peak demand current.