High Voltage Boundary Load Switch ZW20 Series Outdoor Circuit Breaker With Contoller Used With GW9 Series Hookstick
Product Description:
ZW20-12(F) vacuum circuit breaker is three phase AC 50Hz outdoor HV switchgear is mainly used for rural and urban 10 kV outdoor distribution network, as a separate and combined load current, overload current, short circuit current and other similar places.
Its whole structure is a three-phase common box type, which is composed of an operating mechanism, a conductive circuit, an insulating system, a sealing element and a shell.
And it is supporting the corresponding intelligent remote terminals to meet the application needs of distribution automation.
· ZW20-12 (Z) Outdoor Intelligent High Voltage AC True Air Breaker with GSM Short Message Function
· Combination with dividing switch controller ZW20-12 (F) Outdoor dividing high voltage AC true air breaker.
The GW9 hookstick 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 hookstick 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 hookstick 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.
Double effect of using when GW9-10 series isolator swich can be used with the vacuum circuit breakers.
Characteristics of the controller:
Intelligent terminal controllers have functions such as protection, automatic control, inspection/query, communication, and software management.
1.Comprehensive Functionality:
• Perfectly implement various functions such as circuit protection, remote control, alarm, and remote monitoring.
2.Low Cost and Practicality:
• No need for any communication hardware investment in GSM networks. Simply purchase a SIM card and activate SMS services.
3.Multiple Security Measures:
• Use designated mobile phones, information encryption, password verification, and other security measures.
• The GSM module can specify a mobile number and only accept commands from the bound phone.
• Communication messages for remote control and other commands are encrypted.
• Follows a pre-set-confirm-execute-verify remote control method to ensure the security of system control and prevent misoperations.
4.Simple System Configuration:
• No need to install any communication lines or debug communication lines.
• Simply install the SMS intelligent monitoring terminal correctly, insert the SIM card, set the designated mobile number, and the system will start running.
5.Mobile Monitoring Anytime, Anywhere:
• Real-time monitoring and viewing can be done in any location with a signal, without the need for personnel to be stationed for monitoring.
Application:
1.Disconnecting Switch and Contact Switch: The ZW20-12(F) circuit breaker can be used as a disconnecting switch or contact switch in the ring network configuration of power distribution systems. It enables the opening and closing of circuits during maintenance or fault conditions.
2.Automatic Switch Device: It serves as an automatic switch device, allowing for the implementation of load switching in the ring network configuration. This feature enhances the flexibility and efficiency of power distribution.
3.Boundary Switch: In branch lines of the power supply, the ZW20-12(F) circuit breaker can function as a boundary switch or "watchdog." It helps in monitoring and protecting the branch line against faults and abnormal conditions.
4.Recloser and Sectionalizer: The circuit breaker can operate as a recloser and sectionalizer in overhead distribution networks. It automatically restores power after temporary faults and isolates faulty sections to minimize the impact of outages.
5.Distribution Networks: This circuit breaker is suitable for outdoor distribution networks where high voltage power is distributed to multiple locations. It helps to ensure reliable and safe operation by interrupting fault currents and isolating faulty sections of the network.
6.Railways: This circuit breaker is used in outdoor high voltage systems associated with railway electrification. It ensures the safe and reliable supply of power to railway systems, including overhead catenary systems and traction substations.
Structure:
1.The microcomputer-based relay protection and monitoring device is a technologically advanced system that acts as the central controller for the circuit breaker system. By utilizing cutting-edge microcomputer technology, it provides precise and efficient relay protection and monitoring functions. This device plays a crucial role in ensuring the safety and reliability of the electrical system it is integrated with.
2.The controller is specifically designed to withstand various environmental conditions and is equipped with robust weather resistance. This feature allows it to operate reliably in harsh weather conditions such as extreme temperatures, heavy rain, and high humidity. 3.Additionally, the controller is built with protection against condensation, ensuring its functionality even in humid or damp environments where moisture can be a concern.
4.To establish a secure and dependable connection, the controller is linked to the switch body using aviation connectors. Aviation connectors are known for their high stability and durability, making them an ideal choice for critical applications like relay protection and monitoring. These connectors ensure proper communication and functionality between the controller and the switch, enhancing the overall performance and reliability of the system.
5.The controller excels in connection reliability, minimizing the risk of signal loss or disruption. This ensures continuous and uninterrupted communication between the controller and the switch, which is crucial for the proper functioning of the relay protection and monitoring system. 6.By maintaining a high level of protection, the controller safeguards the integrity and accuracy of the relay protection and monitoring functions, preventing any potential errors or discrepancies that could compromise the overall safety of the electrical system.
Condition:
1.The ZW20-12(F) automatic vacuum circuit breaker is designed to operate reliably within a wide ambient air temperature range, from -40 °C to +70 °C. This temperature tolerance ensures that the circuit breaker can function effectively in various climatic conditions.
2.The circuit breaker is suitable for installation at altitudes not exceeding 3000 meters above sea level. This altitude compatibility allows for flexible deployment in different geographic locations.
3.The ZW20-12(F) circuit breaker is built to withstand ambient air contamination caused by dust, smoke, corrosive gases, steam, or salt spray. It is designed to meet Class IV contamination level standards, ensuring that the circuit breaker remains resilient and operational even in challenging and corrosive environments.
4.With a maximum wind speed tolerance of 34 m/s (equivalent to 700 Pa on the surface of the cylinder), the circuit breaker can withstand strong winds without compromising its performance or stability. This wind speed resistance ensures the reliable operation of the circuit breaker during extreme weather conditions.
5.The circuit breaker is designed to minimize the impact of external vibrations or ground motions on its performance. Its construction and internal mechanisms are engineered to absorb and dampen vibrations, ensuring that the circuit breaker remains unaffected by external disturbances.
6.The ZW20-12(F) circuit breaker is designed to limit induced electromagnetic interference (EMI) in the secondary system. The amplitude of the induced EMI in the secondary system does not exceed 1.6kV, ensuring that the circuit breaker does not generate excessive electromagnetic disturbances that could interfere with the operation of other connected equipment.
Technical Parameters:
ZW20-12(F)
| Serial No. | Parameter | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Insulation level of Fracture | Working Frequency(Dry Test/Wet Test) | 48 |
| Voltage of Lightning Shock Test (Peak) | 85 |
| 3 | Level of Insulation to ground/phase to phase | Working Frequency | Dry Test | 42 |
| Wet Test | 34 |
| Voltage of Lightning Shock Test (Peak) | 75 |
| 4 | Rated Current | A | 630, 1250 |
| 5 | Rated short-circuit breaking current | kA | 16, 20, 25 |
| 6 | Rated short-circuit breaking current breaking times | times | 30 |
| 7 | Rated short-time withstanding current | kA | 16, 20, 25 |
| 8 | Rated short-circuit duration | S | 4 |
| 9 | Rated short-circuit closing current (peak) | kA | 40, 50, 63 |
| 10 | Rated peak withstanding current | kA | 40, 50, 63 |
| 11 | Mechanical lifetime | times | over 1000 |
| 12 | Opening rated current | 10000 |
| 13 | Net Weight | kg | 180 |
GW9-10
| 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 |
Product Tags:
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High Voltage Boundary Load Switch ZW20 Series Outdoor Circuit Breaker With Contoller Used With GW9 Series Hookstick Images
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