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GuangDong Heng AnShun Electrical Power Equipment Service Co., Ltd. |
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Easy Installation High Voltage Isolator Switch Single Phase Vertical Break Switch Matching With Vacuum Circuit Breaker
Product Description:
The high-voltage isolator switch is a new type of isolation switch designed and manufactured by integrating the domestic existing experience in isolation switch production and advanced foreign technology.
The high-voltage isolator switch is composed of a base, pillar insulators, conductive parts, and mechanical parts. It has the advantages of simple structure, low maintenance, high breaking and closing linearity, and high reliability, reaching the level of similar products domestically and internationally.
Moreover, there is another type of disconnecting switch called GW9-12(W), has a single-stage structure and is suitable for power systems with a frequency of 50Hz and a line voltage of 10kV. It is used as a circuit for breaking and closing lines when there is voltage but no load. The pollution-resistant isolation switch can meet the requirements of users in heavily polluted areas and effectively solve the problem of flashover caused by pollution during operation of the isolation switch.
Feature:
1.Portable: The Loadbuster is designed to be portable and can be easily transported to the site where it is needed.
High Voltage Rating: These switches are designed to handle high voltage levels, typically ranging from a few kilovolts to several hundred kilovolts.
2.Isolation: The switch is used to isolate a section of the power system for maintenance or repair purposes.
3.Visual Indicators: The Loadbuster has visual indicators that show whether the switch is open or closed, making it easier for operators to know the status of the circuit.
4.Versatility: The Loadbuster can be used for a wide range of applications, including switching and isolating circuits, as well as for grounding and de-energizing equipment.
5.Safety Features: The Loadbuster is designed with safety features to protect operators from electrical hazards, such as insulating materials that prevent accidental contact with live parts.
6.Easy to Use: The Loadbuster is designed to be easy to use and requires minimal training to operate.
7.Interchangeable Blades: The Loadbuster has interchangeable blades that can be easily replaced, allowing for greater flexibility and versatility.
Application:
1.Power Distribution Systems: The switch is commonly employed in power distribution networks to isolate specific sections of the circuit for maintenance, repair, or troubleshooting purposes. It allows technicians to safely work on a particular portion of the system without interrupting power to the entire network.
2.Substations: High voltage disconnect switches are commonly used in electrical substations to provide a means of isolating equipment, such as transformers or circuit breakers, from the power source. They facilitate maintenance, repair, or replacement of substation components without affecting the overall power supply.
3.Industrial Facilities: The switch is used in industrial settings where single-phase high voltage circuits are present. It allows for the safe disconnection of equipment or machinery during maintenance or repair activities, ensuring the safety of personnel and protecting the equipment from damage.
4.Renewable Energy Systems: In renewable energy installations, such as solar or wind power systems, high voltage disconnect switches are used to isolate specific sections of the system for maintenance or repair work. They provide a safe way to disconnect the power source from components like inverters, batteries, or grid connection points.
5.Testing and Measurement: The high voltage disconnect switch is often utilized in testing and measurement applications. It allows for the isolation of specific sections of a circuit to perform accurate measurements, analysis, or diagnostic tests without interference from other connected components.
Operation:
1.Closing the Switch: When the switch is closed, the two conductive parts of the circuit are brought into contact with each other, allowing electrical current to flow through the circuit.
2.Opening the Switch: When the switch is opened, an air gap is created between the two conductive parts of the circuit, effectively isolating the section from the rest of the system. This is typically done to allow maintenance, repair, or testing work to be carried out safely.
3.Grounding the Circuit: Before any work can be carried out on the isolated section of the circuit, it is important to ground the circuit to prevent any residual electrical charge from building up. This is typically done using an earth switch or grounding electrode.
It is important to note that the operation of high voltage isolator switches should only be carried out by trained and qualified personnel, as they can pose a serious risk of electrical shock or injury if mishandled. In addition, it is important to follow all safety procedures and guidelines when working with high voltage equipment, including wearing appropriate protective clothing and equipment, using insulated tools, and ensuring that the area is clear of any flammable or explosive materials.
Collocation:
The relation between the outdoor vacuum circuit breaker and the outdoor high-voltage disconnect isolator lies in their complementary roles in the electrical system:
Circuit Interruption: The vacuum circuit breaker is responsible for interrupting the electrical circuit during normal operation or in the event of a fault. It acts as the primary means of breaking the current flow. In contrast, the disconnect isolator is used for isolating the circuit from the power source during maintenance or repair activities. It provides an additional layer of safety by physically opening the circuit.
Coordination: In high-voltage power systems, the vacuum circuit breaker and the disconnect isolator are often coordinated to work together. The circuit breaker is responsible for detecting faults and tripping to interrupt the current flow, while the disconnect isolator is used to physically isolate the circuit and provide a visible indication of the disconnection.
Safety and Maintenance: The disconnect isolator plays a crucial role in ensuring the safety of maintenance personnel. Before any maintenance work can be performed on the electrical equipment, the disconnect isolator is operated to open the circuit and provide a visible air gap. This ensures that the equipment is de-energized and safe to work on. The vacuum circuit breaker, on the other hand, protects the system during normal operation and in the event of faults.
Technical Parameters:
| Serial No. | Parameter | Unit | Data | |||||||||
| 1 | Rated Voltage | kV | 12 | |||||||||
| 2 | Rated Current | Model No. | (H)GW9-12(W)/630-20 | A | 630 | |||||||
| (H)GW9-12(W)/1000-20 | 1000 | |||||||||||
| (H)GW9-12(W)/1250-31.5 | 1250 | |||||||||||
| 3 | 4s Short-time withstanding current | Model No. | (H)GW9-12(W)/630-20 | kA | 50 | |||||||
| (H)GW9-12(W)/1000-20 | 50 | |||||||||||
| (H)GW9-12(W)/1250-31.5 | 80 | |||||||||||
| 4 | Rated Insulation Level | Lightning surge withstand voltage(peak) | Polar-to-Earth (Positive & Negative) | kV | 75 | |||||||
| Interfracture (Positive & Negative) | 85 | |||||||||||
| Industrial frequency withstand voltage (1 min) (Effective value) | Dry Test/Wet Test | Polar-to-Earth | 42(Dry) 34(Wet) | |||||||||
| Interfracture | 48(Dry) | |||||||||||
| 48(Dry) | ||||||||||||
| 48(Dry) 40(Wet) | ||||||||||||
| 5 | Main Circuit Resistance | μ Ω | 630 | |||||||||
| 1000 | ||||||||||||
| 1250 | ||||||||||||
| 6 | Mechanical Life Time | times | 50 | |||||||||
| 50 | ||||||||||||
| 80 | ||||||||||||
