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What Is The High Voltage Switch In The Cut Off Machine?

What is the high voltage switch in the Cut off Machine?
The contact of the high-voltage power switch in the Cut off Machine, which is the relay of the Cut off Machine, is usually made of tungsten or molybdenum because the hardness of these contacts is very high and the melting point is very high and can Bear a certain amount of arc. The copper contacts used in some high-voltage relays at the Ma level are usually used only as relays in the Cut off Machine. Therefore, in the choice of the appropriate type of Cut off Machine in the relay, the circuit load is a very important factor in the Cut off Machine in the relay current and voltage targets, the circuit load is usually cut off the relay relay, Cut off Machine relay Inductance and the resistance of the relay in the Cut off Machine.
Note: Do not apply voltage to the operating coil and reset coil of the relay in the set Cut off Machine at the same time. Otherwise, it will cause abnormal heat of the relay coil in the Cut off Machine and the abnormality of the relay coil Movement, it will lead to the Cut off Machine in the work of the relay is abnormal, resulting in unnecessary loss of Cut off Machine. When the circuit in the Cut off Machine needs to connect any action coil and reset coil on the other side, the other side of the Cut off Machine or the polarity of the power supply of the Cut off Machine should be the same. Do not connect the two Cut off Machines or terminals directly So that it is likely to cause a short circuit in the relay of the Cut off Machine and then connected to the power supply to maintain good insulation between the two coils of the relay in the Cut off Machine.
Cutting circuit in the magnetic single-circuit drive circuit: for the Cut off Machine magnetic latch single loop, but also cut off the drive circuit. When the circuit in the circuit breaker input signal, the current will flow to the capacitor C, this time on the charge operation, the charging current to the Cut off Machine in the relay coil, when the Cut off Machine in the relay , The storage capacitor C, and the coil of the power supply Tr in the circuit in the Cut off Machine are discharged, and the coil of the relay in the Cut off Machine is discharged through the transistor, and the reset of the relay in the Cut off Machine is also performed by Transistor.
Be sure to prevent the Cut off Machine from using the relay in an environment containing the following gases. In this case, the plastic-sealed relay in the Cut off Machine does not prevent the effects of these gases on the contacts. The use of sealed relays in the Cut off Machine, in the Cut off Machine around the relay there are a series of silicon silicon materials (such as silicone rubber materials, silica fillers, silicone oil, silicone coating agent, etc.), will produce silicon Of the volatile gases may cause corrosion of the relay contacts in the Cut off Machine, resulting in poor contact of the contacts. So, when using the Cut off Machine, be sure to confirm the actual work, the use of the Cut off Machine to the gas environment, because the Cut off Machine in the relay is really important, not sloppy.
Cutter relay contact group, usually with three contacts, the middle of the movable state of the contacts, above and below each have a static contact. When the contact of the Cut off Machine relay coil is not energized, the movable contact and the static contact is disconnected, the other closed coil in the Cut off Machine is electric, the movable contact can be moved, the original The opening will be closed, the original closed will be broken, cut off the machine in the state of the circuit will be reversed, so as to achieve the purpose of conversion. Such an interchange group in the Cut off Machine is also known as the switching function of the Cut off Machine relay. Use the voice prefix "Z" to indicate the word "go". In addition, the relays in the Cut off Machine can also have one or more contact groups, but these three forms of the Cut off Machine do not interfere with each other.

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