Zero Sequence Sensors Outdoor Vacuum Circuit Breaker For Protection Matched With High Voltage Isolator Switches

Zero Sequence Sensors Outdoor Vacuum Circuit Breaker For Protection Matched With High Voltage Isolator Switches

Product Description:

The ZW32-12 outdoor circuit breaker with zero sequence sensors refers to a specific model of the vacuum circuit breaker that is equipped with zero sequence sensors.
Zero sequence sensors, also known as residual current sensors or zero sequence current transformers, are devices used to detect and measure the unbalanced or residual currents in a three-phase power system. These sensors are specifically designed to detect and measure the sum of the three-phase currents, which should ideally be zero in a balanced system.
The inclusion of zero sequence sensors in the ZW32-12 vacuum circuit breaker provides additional functionality and protection. By monitoring the zero sequence currents, the circuit breaker can detect ground fault or unbalanced conditions in the system. This allows for improved fault detection and faster response to abnormal conditions, enhancing the safety and reliability of the electrical distribution system.
The zero sequence sensors enable the ZW32-12 circuit breaker to provide enhanced protection against ground faults, unbalanced loads, and other abnormal conditions that may arise in the electrical system. This helps prevent damage to equipment, minimize downtime, and ensure the safety of personnel.

GW9-10 high voltage isolator switch is a type of electrical switch used to isolate a section of an overhead power transmission line for maintenance or repair. It is typically used in high voltage electrical systems, such as those used by power utilities to transmit electricity over long distances.

The switch is mounted on an overhead structure, such as a transmission tower or pole, and is designed to withstand the harsh environmental conditions encountered in outdoor electrical systems. It features a vertical, or up-and-down, motion to engage or disengage the switch contacts, which are typically made of copper or other conductive materials.

The isolator switch is designed to provide a visible break in the transmission line, allowing maintenance personnel to safely work on the line without risk of electrocution or damage to equipment. It is often used in conjunction with other safety devices, such as grounding switches and surge arrestors, to protect the electrical system and the people working on it.

Overall, the overhead high voltage vertical isolator switch is an important component of modern power transmission systems, ensuring reliable and safe operation of the electrical grid.

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

Controller Introduction:

The controller supports communication via a 485/232 interface, which allows for remote monitoring and control. It can also communicate through optical fiber or wireless connections.

When a heavy switch is detected, the device automatically accelerates the tripping process in the event of a permanent fault. This feature helps protect the system from damage in such situations.

Remote/Manual Closing and Reclosing: The user has the option to remotely or manually close and reclose the circuit. Additionally, if the user forgets to remove the grounding switch when restoring power after repairing a line, the device can accelerate the tripping process to ensure safety.

It allows for the adjustment of three reclosing delay times. This feature provides flexibility in determining the appropriate delay before reclosing the circuit after a fault.

The jump closing circuit of the controller incorporates an anti-misoperation design. It includes an anti-jump function to prevent unintended closure of the circuit.

The controller can distinguish between in-zone and out-of-zone faults based on zero-sequence current. This capability helps identify the location of faults and enables more targeted troubleshooting and maintenance.

Prevention of Misoperation: The remote control switch is designed to prevent misoperations. This design feature ensures that the switch is not accidentally triggered, thereby reducing the risk of unintended actions.

Advantage:

1.Small Size: The device is designed with a compact form factor, allowing for easy installation in limited space environments. Its small size makes it suitable for applications where space is a constraint.

2.Light Weight: The device is lightweight, which simplifies transportation and installation. It reduces the physical burden during handling and makes it easier to mount or integrate into existing systems.

3.Maintenance-Free: The device is designed to require minimal maintenance. It is built with durable components and optimized for long-term reliability, reducing the need for frequent inspections or replacements. This feature saves time and resources on maintenance activities.

4.Anti-Condensation: The device incorporates measures to prevent condensation. It includes protective features such as sealing or insulation to minimize the risk of moisture build-up. This helps maintain optimal performance and protects internal components from potential damage caused by moisture.

5.Adapts to Adverse Weather Conditions and Dirty Environment: The device is designed to withstand challenging weather conditions, such as extreme temperatures, humidity, or exposure to dust and dirt. Its robust construction and protective features ensure reliable operation in adverse environments, reducing the risk of malfunctions or performance degradation.

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.

Introduction of GW9 series outdoor disconnector switch►

https://www.maoyt.com/test/hvdisconnectorswitch.com/sale-40467100-automatically-operated-high-voltage-electrical-isolator-safety-operated-of-high-voltage-breaking-cer.html

Application:

1.Substations: It is commonly used in both indoor and outdoor substations for protection and control of medium-voltage power distribution. The vacuum circuit breaker ensures reliable interruption of fault currents, overload currents, and load currents, safeguarding the substation equipment.

2.Industrial and mining enterprises: The ZW32-12 vacuum circuit breaker is employed in the distribution systems of industrial and mining enterprises to protect motors, transformers, and other electrical equipment from overcurrents and short circuits. It helps maintain the stability and safety of the power supply in these facilities.

3.Rural power grids: Due to its ability to withstand frequent operations, the vacuum circuit breaker is suitable for application in rural power grids. It can be used as a sectional switch, allowing for efficient segmentation of the power grid. Additionally, when equipped with a controller, it enables automation of the distribution network, improving the reliability and efficiency of the rural power system.

4.Commercial buildings: The vacuum circuit breaker is also utilized in commercial buildings for power distribution and protection. It ensures safe and reliable operation of electrical systems, preventing damage to equipment and minimizing downtime.

Condition:

1.Altitude of not more than 2000 meters;

2.Ambient air temperature: -45 ° C ~ + 40 ° C. Daily temperature difference: 25 ° C;

3.Wind speed not more than 35 m / s

4.No flammable, explosive dangerous chemical corrosion and violent vibration places.

Technical Parameter: