Yes, the capacitors are turned on and off after commissioning.
A common external indicator light is connected to the C phase, and the common terminal is illuminated if the N phase is powered on.
If the two outputs are connected in parallel, the capacitor will be burnt out due to a short circuit between the two terminals. If only one terminal is connected, the other capacitor cannot be indicated when it is input.
The data line replaces the twisted pair to reduce the user wiring. The controlled product can be replaced by a twisted pair. The self-controlled product cannot be replaced by a twisted pair because the current sampling is not possible, and the twisted pair can be used for the connection between the capacitors.
IN-input, OUT-output
The controller that only illuminates the C1 is used in conjunction with anti-harmonic products and compact products.
The controller alarm has the following points: 1. Voltage alarm 2, harmonic alarm 3. Voltage phase loss alarm
Analog switching Because there is no current output switch, there is no real action, so the analog switching external indicator light is not bright.
Considering that the commissioning of the complete plant is the power supply of the commissioning station, the capacitor cabinet can not bear a large current when debugging, so we designed the analog switching function.
Capacitor input current is approximately equal to "capacitor countless *1.15" A
After the capacitor is removed, it is necessary to discharge the residual charge before it can be re-introduced - the national standard stipulates that the discharge is completed in 3 minutes, and the product of our company is set to 2.5min.
The controller switches the capacitor in an automatic state.