1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25°C~55°C;
3. Relative humidity: the maximum relative humidity is 90% (at 20°C);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;
6. Installation location: no severe vibration;

1. Real-time display of the three-phase network status: including system voltage, system current, power factor and control parameters, etc.;
2. Automatically identify the polarity of the sampled signal, and there is no need to worry about the polarity of the wiring;
3. It has the function of setting parameter power-off memory, Data will not be lost after power failure;
4. With over-voltage and under-voltage protection functions;

Rated current: AC 0~5A
Rated voltage: AC 220V or 380V
Contact capacity: AC220V/7A or AC380V/3A Current input impedance per branch: ≤0.02Ω
Shell protection class: IP30 Frequency: 50Hz
Sensitivity: 50mA Insulation voltage: 690V

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25℃~55℃;
3. Relative humidity: the maximum relative humidity is 90% (at 20℃);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25℃~55℃;
3. Relative humidity: the maximum relative humidity is 90% (at 20℃);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;

With over-voltage and under-voltage protection functions.
With dual input threshold: it is required that the power factor is lower than the input threshold setting value and the reactive power is greater than the minimum set of capacitors before it is input, effectively preventing switching oscillations.
The input and removal delays can be adjusted separately, which is more applicable to the power grid.
Capacitor capacity input function, automatic identification number method for optimized switching.
There is a settable re-investment lock time to ensure that the capacitor has enough discharge time before being turned on

JKW-17G high-voltage no-power automatic compensation controller is suitable for automatic adjustment of capacitor compensation devices in high-voltage distribution systems, so that the power factor can reach the user's predetermined state, improve the utilization efficiency of power transformers, reduce line losses, and improve the voltage quality of power supply.

Capacitor capacity input function, automatic identification number method for optimized switching.
There is a settable re-investment lock time to ensure that the capacitor has enough discharge time before being turned on.
The output signal can be set to close a certain group or open a certain group of work.
Various parameters are all digitally adjustable, which can be widely applied to different power grid conditions.
Strong anti-interference ability, can directly resist interference pulses from peripheral common mode amplitude 2000V.

1. Real-time display of network conditions: including reactive power, power factor, secondary current, primary current, system voltage, etc. (by clicking the up and down keys to switch during automatic operation).
2. Automatically identify the polarity of the sampling signal, and there is no concern about the polarity of the wiring.
3. It has the function of power-off memory for setting parameters, and the data will not be lost after power-off.
4. With over-voltage and under-voltage protection functions.

1. Rated current: AC 0~5A;
2. Rated voltage: AC 220V/380V;
3. Contact capacity: AC220V/7A or AC380V/3A per
branch; 4. Current input impedance: ≤0.02Ω;
5. Shell Protection level: IP30;

Power supply voltage: 380V ±20%
Signal voltage: AC50V-275V (phase voltage)
signal current AC 0-5.5A (If the sampling current is greater than 5.5A, a power factor display error will occur).
Working frequency: 45e-65Hz.
Undervoltage threshold: 176V

(l) Calculate the switching capacitor capacity based on the fundamental reactive power, which can avoid various forms of switching shocks, and can correctly display the power factor of the grid under harmonics.
(2) The power factor measurement progress is high, and the display range is high. Wide.
(3) Up to 32 loop capacitor groups can be controlled
(4) Shortcut function keyboard, large screen LED display, Chinese operation, friendly man-machine interface is still convenient