Industrial High Voltage Disconnect Switch For Protecting Single Phase Overhead Line Disconnect Switch 700 Pa Wind Speed

Industrial High Voltage Disconnect Switch For Protecting Single Phase Overhead Line Disconnect Switch 700 Pa Wind Speed

Product Decription:

High voltage disconnect switch is an electrical switch used to disconnect a circuit from its power source. It is typically used in high-voltage power transmission and distribution systems to allow maintenance personnel to safely work on the equipment without the risk of electrocution.

High voltage disconnect switch has a blade or contact that can be opened or closed by rotating the pole, which engages or disengages the circuit. The pole usually has a non-conductive material to insulate the operator from the high voltage.

High voltage disconnect switch come in various designs and sizes, depending on the voltage and current rating of the circuit they are intended to control. They are often mounted on a pole or a structure and are commonly used in conjunction with other protective devices, such as circuit breakers and fuses, to ensure the safety and reliability of the electrical system.

Application

1.Circuit Isolation: High voltage isolator switches are used to isolate a section of a high voltage circuit for maintenance, repair, or testing purposes. By opening the switch, the section can be effectively disconnected from the rest of the system, allowing work to be carried out safely.

2.Load Switching: High voltage isolator switches can be used as load switches to control the flow of electrical power in a circuit. They are particularly useful in situations where the load is relatively small and does not require a circuit breaker or fuse.

3.Overhead Line Protection: High voltage isolator switches are often installed on overhead power lines to provide protection against lightning strikes and other electrical disturbances. By isolating a section of the line, the switch can help prevent damage to equipment and reduce the risk of power outages.

4.Transformer Protection: High voltage isolator switches are also used to protect transformers by isolating them from the electrical network in the event of a fault or overload. By opening the switch, the transformer can be disconnected from the network, preventing damage to the transformer and other equipment.

Safety Risks:

1.Circuit Isolation: High voltage isolator switches are used to isolate a section of a high voltage circuit for maintenance, repair, or testing purposes. By opening the switch, the section can be effectively disconnected from the rest of the system, allowing work to be carried out safely.

2.Load Switching: High voltage isolator switches can be used as load switches to control the flow of electrical power in a circuit. They are particularly useful in situations where the load is relatively small and does not require a circuit breaker or fuse.

3.Overhead Line Protection: High voltage isolator switches are often installed on overhead power lines to provide protection against lightning strikes and other electrical disturbances. By isolating a section of the line, the switch can help prevent damage to equipment and reduce the risk of power outages.

4.Transformer Protection: High voltage isolator switches are also used to protect transformers by isolating them from the electrical network in the event of a fault or overload. By opening the switch, the transformer can be disconnected from the network, preventing damage to the transformer and other equipment.

Safety Tips:

1.High Voltage Rating: High voltage isolator switches are designed to withstand high levels of voltage, typically ranging from several thousand volts to several hundred thousand volts.
2.Robust Construction: High voltage isolator switches are typically made of materials that are highly resistant to electrical arcing, corrosion, and other forms of damage, such as porcelain or polymer.
3.Arc Chutes: Many high voltage isolator switches are designed with arc chutes, which help to dissipate the heat generated by electrical arcing and prevent damage to the switch.
4.Earth Switch: Some high voltage isolator switches are equipped with an earth switch, which provides an additional level of safety by grounding the isolated section of the circuit.
5.Interlocking Mechanism: To prevent accidental closure of the switch while maintenance work is being carried out, many high voltage isolator switches are equipped with an interlocking mechanism that prevents the switch from being closed until all safety procedures have been followed.
6. Visual Indicators: High voltage isolator switches may also include visual indicators, such as lights or flags, that provide a clear indication of whether the switch is in the open or closed position.

Sructure:

This product is composed of base (plate), post insulator, conductive part and interlock device. One end of the knife is installed on the dynamic contact knife head through bolts, and the other end of the knife is separately connected with the static contact head, and each side is maintained in a good contact state by the pressure of the compression spring. Each knife is slot-shaped type, which not only increases the heat dissipation surface of the knife, but also conducive to reducing the temperature rise, and improve the mechanical strength of the knife, making the dynamic thermal stability against short circuit. The interlocking parts installed at the non-rotating end of the contact knife and the static locking hook on the static contact constitute the opening locking device, which is self-locking when the brake is closed, so that the brake knife will not fall off by itself due to its own weight or the action of electric power, resulting in the opening of the brake without cause.