FORERUN FJK-02-12F Intelligent reactive power compensation of power factor controller 138*138

Terminal description

Terminal label

state

Explain

Remarks

Ua、Ub、Uc

input

It is three-phase sampling voltage respectively; at the same time, Ub and UC are multiplexing of working power supply of the
machine

The power supply is 380V AC

Un

input

Zero line

Sampling zero line

IA、Ia、IB、Ib、IC、Ic

input

Sampling current transformer input

Respectively from three-phase La, LB and LC current transformers

COM

output

Internal 12V power output +

Connected to 12V + terminal of SCR trigger module / composite switch

K1~K12

input

Control terminal of output from the first group to the twelfth group

Connected to 12V terminal of SCR trigger module / composite switch

A、B

communication interface

MODBUSAgreement

1. Altitude: ≤2500m
2. Operating temperature: 65123; 30℃ ~+55℃
3. Storage temperature: 65123; 35℃ ~+60℃
4. No corrosive gas, no conductive dust and no inflammable and explosive medium.
5. The installation site shall be free from severe vibration and rain and snow erosion.

1. measuring voltage: 100 v ~ 290 v
2. Measuring current: 0 ~ 6000A
3. Measuring power factor: lag 0.200 ~ lead 0.200
4. Operating power supply: 380 V 20%
5. Measurement frequency: 47 ~ 53Hz
6. Sensitivity: 50mA
7. Display active power: 0 ~ 6553 kW
8. Display reactive power: 0 ~ 6553 kVAR
9. Display voltage total harmonic distortion rate: 0.0 ~ 50.0%
10. Display current total harmonic distortion rate: 0.0 ~ 100.0%
Input/output signal
1. sampling voltage: La, Lb, Lc phase voltage
2. sampling current: bus La, Lb, Lc phase current transformer secondary 0 ~ 5a
3.12V 40mA/ branch
Note: The sampling voltage and sampling current must be in phase!
Display performance
LCD liquid crystal display data display refresh period ≤1s
Communication interface data
1.Communication interface: RS-485
2. Protocol: MODBUS communication protocol
3.communication rate: 4800～38400bps (no parity bit)
Measurement accuracy
1. Voltage: 0.5%
2. Current: 0.5%
3. Active power: 1.0%
4. Reactive power: 1.0%
5. Power factor: 1.0% 6. Frequency: ±0.1Hz
Set data range
1. Temperature setting: 40 ~ 100 C (temperature protection value)
2. .Delay time: D1: 0.1s ~ 300sd2: 0-300s
3. . overvoltage setting: 235 v ~ 280 v
4. Switching threshold:: 0.5 ~ 1.2 (the set value is the switching threshold) Step size: 0.1
5. .Removal Threshold-1.2-Current Setting
6. current change ratio: 1 ~ 1000 (ratio value)
7. Target COSΦ φ: lag 0.85 ~ lead 1.00
8. Undervoltage setting: 175 V ~ 210 V, or off
9. Harmonic protection: HV: 0.0% ~ 100.0% (0.0% off) HI: 0.0% ~ 100.0% (0.0% off)
The compensation mode and capacity of each channel of capacitor can be arbitrarily set as required..
Capacitor preset: 0 ~ 250kvar/group
ID number setting
This machine has communication interface and supports MODBUS protocol. This item includes ID number and communication rate setting
of 485 communication interface. ID number is the address number 001 ~ 255
describing this machine in the system network. Communication rate: 4800～38400bps Reliability: mean time to failure (mtbf): > 25000
hours