Settable parameters:
l Working power supply: 220V/AC
l Harmonic measurement: 2~31 times
l Frequency: 50Hz
l Input delay setting: 0.02S~90S
l AC voltage sampling: 220V
l Removal delay setting: 0.02S~90S
l AC current sampling: 5A
l Input threshold setting: 0.8~1.6
l Power consumption of the whole machine: ≤15VA
l Removal threshold setting: 0.2~1.2
l CT transformation ratio setting: 50/5~5000/5
l Overvoltage protection setting: 105%~140%
l PT ratio setting: 380/100, 690/100
l Undervoltage protection setting: 65%~95%
l Target power factor setting: 0.85L~0.90C
l Compensation capacity setting: 0.5kvar~300kvar
l Control mode: automatic, input, cut
Alarm and protection functions:
l Undercurrent alarm and removal of step capacitor
l Overcurrent alarm
l Overvoltage alarm and removal of step capacitor
l Loss of pressure alarm
l whole investment is still lower than the alarm set value COSФ
l Wrong COSФ value alarm
l Harmonic erratic rate of change exceeds the set value, alarm and cut off the step capacitor
l Phase protection
1. Working voltage: 90~440V
2. Frequency range: 50Hz /60Hz ±5%
3. Input current: 0 -5A
4. Output voltage: DC 12V or AC 90V~440V
5. Maximum output channels: 16 channels
6. Power consumption: ≤15VA
7. Working temperature: -25°C ~ + 70°C
8. Relative humidity: 40°C max. 95% non-condensing
9. Storage function: all parameters and modes are stored in non-volatile memory
10. Display : Three-phase voltage, current, power factor, active power, reactive power, total power factor, voltage total harmonic distortion rate, current total harmonic distortion rate, frequency and other information
11. Altitude: ≤ 2000m
Model number | Name | Cutting method |
DRC-8 | Control 8-way switching | Contactor |
DRC-12 | Control 12-way switching | Contactor, thyristor |
DRC-16 | Control 16-way switching | Thyristor |