High Efficiency High Voltage Three Pahses Vacuum Circuit Breaker Matched With Portable Outdoor Disconnector Switch

High Efficiency High Voltage Three Pahses Vacuum Circuit Breaker Matched With Portable Outdoor Disconnector Switch

Product Description:

The ZW8-12 high voltage vacuum circuit breaker is designed to comply with international standards and is manufactured using advanced technologies. It has a rated voltage of 12kV, a rated current of up to 630A, and a short-circuit breaking current of up to 20kA.

The circuit breaker is composed of several key components, including the vacuum interrupter, operating mechanism, and control system. The vacuum interrupter is the heart of the circuit breaker and is responsible for interrupting the electrical current. It is designed to operate in a vacuum, which helps to prevent arcing and ensures reliable operation.

The operating mechanism is responsible for opening and closing the circuit breaker and can be operated manually or electrically. The control system monitors the circuit breaker and provides feedback to the operator, allowing them to monitor the status of the breaker and detect any faults.

The ZW8-12 circuit breaker is designed to be highly reliable and requires minimal maintenance. It has a long service life and is capable of withstanding harsh outdoor environments, making it suitable for use in a wide range of applications.

The GW9-10 outdoor dosconnector switch is an electrical switch that is designed to isolate a section of an electrical network or system from the rest of the system for maintenance or repair purposes. It is typically used in high voltage power transmission and distribution systems.

The switch is designed to open and close under normal or abnormal conditions, such as a fault or overcurrent. When the switch is open, it physically disconnects the section of the system from the rest of the network, preventing the flow of electricity to that section.

Outdoor dosconnector switches are typically designed to operate at voltages between 600 volts and 765,000 volts, and they can be operated manually or automatically. They are typically installed in substations or on power poles, and they are an important component of the electrical grid infrastructure.

It is important to follow proper safety procedures when working with high voltage disconnect switches, as they can be dangerous if not handled correctly. Only qualified and trained personnel should be allowed to operate and maintain high voltage equipment.

Double effect of using when GW9-10 series isolator swich can be used with the vacuum circuit breakers.

Feature:

Measurement function
1.It records voltage, current, and other operating data, as well as event records.

FTU function
1.It can achieve four-remote functions of remote control, telemetry, remote signaling, and remote adjustment.
2.It includes remote control, various state remote monitoring, remote display of various measurement values and event records, and remote adjustment of various set values.

Communication interface and protocol
1The controller is equipped with one data interface and standard remote communication protocol, supporting various communication methods such as fiber, wired, and wireless, serving as a remote terminal in the power distribution automation system.

Remote control function
1.It can be equipped with a wireless remote controller to achieve remote opening and closing operations at close range, with safe and reliable operation.

Backup battery
1.It can be equipped with a backup battery to maintain normal operation for 12 hours after AC loss.

Dual power switching protection function
1.It has dual power mutual control, with automatic delayed reclosure function on power-on and automatic delayed trip function on power-off.
2.The outgoing side has a function of not closing when there is electricity, and the two switch positions are interlocked.

automatically clears the fault, isolates the fault area, transfers power automatically, and restores power to the non-faulty area.

 
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.

Application

1.Distribution Systems: The ZW8-12 circuit breaker plays a crucial role in controlling and protecting distribution systems in 10kV urban and rural power grids. It is responsible for switching on or off load currents, ensuring reliable power distribution to consumers.

2.Power Substations: The circuit breaker is frequently employed in power substations where high-voltage transmission lines are connected to distribution networks. It helps in the isolation and protection of equipment, allowing for safe and efficient operation of the substation.

3.Industrial Power Systems: Industries with high-power requirements, such as manufacturing plants, mining operations, and large-scale infrastructure projects, often utilize the ZW8-12 circuit breaker to control and protect their high-voltage power systems. It helps in managing load currents and safeguarding the equipment from short-circuit fault currents.

4.Renewable Energy Systems: With the increasing adoption of renewable energy sources like wind and solar power, the ZW8-12 circuit breaker finds application in high-voltage switchgear systems associated with renewable energy generation. It aids in the efficient integration of renewable energy into the grid and ensures the safe operation of the power generation facilities.

5.Utility Networks: Electric utility companies rely on the ZW8-12 circuit breaker to manage and protect their high-voltage transmission and distribution networks. It contributes to the overall reliability and stability of the utility grid by effectively controlling load currents and interrupting faults.

Condition:

Ambient Temperature:-40℃~+70℃ (average daily temperature not exceeding +40℃)

Altitude:>1000m(max. 3000m)

Ambient Humidity:Average daily relative humidity not more than 95%, average monthly relative

Pollution level:Level IV

Speed of Maximum Wind:700Pa (equivalent to wind speed 35m/s)

Earthquake intensity: 8 level

 Technical Parameter:

ZW8-12

 
 GW9-10