static automatic controller is Complete digital design, AC sampling, human-machine interface applies the large scale LCD in chinese . Adhering to people-oriented design ideal, modular assembly, flow line design of appearance . real time Display power factor , voltage, current, active power, reactive power, distortion ratio of total voltage harmonic ,distortion rate of total harmonic current , the average value of frequency and status information of capacitor switching .
Features
Features
1 complete digital design, AC sampling , human-machine interface applies the large scale LCD in chinese
2 adhering to people-oriented design, modular assembly, flow line design of appearance .
2 adhering to people-oriented design, modular assembly, flow line design of appearance .
3 real time Display power factor , voltage, current, active power, reactive power, distortion ratio of total voltage harmonic ,distortion rate of total harmonic current , the average value of frequency and status information of capacitor switching
4 Set the parameters with Chinese prompts, digital input.
5 capacitor switching control program support equivalent capacity /encode (1:2:2,1:2:3,1:2:4:8 …) and fuzzy control switching mode.
6 with manual compensation / automatic compensation for work.
7 sample quantities is reactive power ,with harmonic measurement and protection.
8 can order a controller specially ,which has RS-485, MODBUS standard , bus communication interface, easy to access intelligent switchgear systems. Notice: Optional custom series controllers Management Software, load into user’s computer system .connection with the controller’s communication port , can be viewed over the real-time data , history load curveof the user’s system and the report from computer monitor, energy saving for the user and provide fast and convenient on-site data.
Technical parameters
1, environmental conditions
Altitude: ≤ 2500m
Operating temperature: -20 ℃ ~ +60 ℃
Storage temperature: -25 ℃ ~ +70 ℃
Surrounding has no corrosive gases, no conductive dust, t no flammable medium, the installation location has no severe vibration, no rain erosion.
2, the measured data:
Measuring voltage: 100V ~ 500V
Measuring current: 0 ~ 6000A
Measuring Power Factor: 0.200 lagging ~ 0.200 ahead
Power supply: 220V ± 20%
Measurement frequency: 45 ~ 65HZ
Shows active power: 0 ~ 6553Kw
Shows the reactive power: 0 ~ 6553Kvar
Shows distortion ratio of total voltage harmonic :0.0-100.0%
Shows distortion ratio of total current harmonic:0.0-100.0%
display version: 2.0 (the machine upgrade serial number)
display version: 2.0 (the machine upgrade serial number)
3, the input / output signal:
Sampling voltage: Line voltage 0.4KV
Sampling current: bus bar current transformer secondary 0 ~ 5A
Output Control : Relay dry contact 5A/250V resistance (static)
12V/ 30mA branch (dynamic)
Note: sampling voltage and current can not be same in phase.
4, LED digital display data refresh cycle ≤ 1s
5, the data communication interface
Communication Interface: RS-485 protocol: MODBUS communication protocol.
Communication speed: 4800 ~ 3840bps (no parity).
6, the measurement accuracy
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 after 10 minutes warm-up and calibrated within one year.
7, the data set
Current ratio: 0.1 ~ 1200 (ratio value)
Delay time: 5s ~ 100s (static) 0.1s ~ 30s (dynamic)
Target COS &:0.80 lagging ~ 0.80ahead step 0.01
Over-voltage setting: 400V ~ 480V step 2 V
Switching threshold: 0.5 ~ 1.2 (setting the threshold value of investment) step 0.1
Note: The removal threshold value = 1.2- the current set
Harmonic Protection: Hv: 0.0% ~ 50.0% Step: 0.5%
Hi: 0.0% ~ 100.0% Step: 0.5%
Capacitor preset: 0 ~ 999Kvar / group
8, ID set
The machine has a communication interface, support for MODBUS protocol, including ID number and the communication rate set of the communication interface 485 , ID number describes the address number of the machine in the network system ,form 001 to 255, the communication speed is 4800 ~ 38400bps.
9, reliability
Mean time between failures (MTBF):> 25000 hours.
Applications
1, the modern industry: the petrochemical industry, automobile manufacturing industry, steel industry and semiconductor industry, communication industry, paper light industry, tobacco industry
2, civil construction: commercial office buildings, medical hospitals, stadiums, exhibition halls, hotels, airport terminals, schools
Custom labeled correctly
1, the capacitor with the number of rated capacity, output capacity, rated voltage of the capacitor.
2, phases number of reactor , the series reactance factor.
If you want to buy or for more information, please contact us