Quoted standards
JB7115-93 Low-voltage reactive power local compensation device
GB／T15576-2008 General technical condition of low-voltage reactive power compensation device
DL／T597-1996 Technical condition of low-voltage reactive power compensation controller orders
JB／T9663-2013 Low-voltage reactive power automatic compensation controller
Technical parameters
Ambient condition
Altitude： ≤2500m
Working temperature： －25℃～＋50℃
Storage temperature： －25℃～＋70℃
No Corrosive gas, no conductive dust, no inflammable and explosive media exist, no severe vibration, no snow and rain erosion at stall place
Measuring Data
Measuring voltage： 100V～290V（ phase voltage）
Measuring current： 0～5A
Current ratio： 1:1200
Measuring power factor： lagging 0.999～advance 0.999
Working voltage： 380V
Measuring frequency： 45～65Hz
Display active power： 0～6553Kw
Display reactive power： 0～6553 Kvar
Display total harmonic distortion：0.0～100.0％
Input/output signal
Sampling voltage： line voltage 0.4KV
Sampling current： Bus current transformer two times 0～5A
Control output： 12V 30mA/branch（dynamic）
Sampling voltage and sampling current should be same phase
Display functions
LED digital display refresh period≤1s。
Communication interface data
Communication interface： RS－485
protocol：MODBUS Communication protocol
Communication rate： 4800～38400bps（无校验位）
Measuring precision
Voltage： ±0.5％ Active power：±1.0％
Current： ±0.5％ Reactive power：±1.0％
Power factor：±1.0％ Frequency：±0. 1Hz
The above data is based on the controller being opened after 10 minutes, as well as the calibration of 1 years
Reliability
Mean Time Between Failures（MTBF）：＞25000 hours
It is mostly applied to the inside of outdoor complete set, with GPRS radio signal to collect reactive power factor and active power factor, very easy to operate.