Basic Overvie
High voltage switchgear, also kn own as metal enclosed switchgear, is an important distribution device in the power system. It is mainly used to receive and distribute electrical energy, and can quickly cut off the faulty part in the event of a power system failure, ensuring the normal operation of the fault free part in the power grid.
High voltage cabinets are usually composed of electrical equipment such as circuit breakers, isolating switches, grounding switches, transformers, lightning arresters, etc., which are assembled in a closed metal enclosure. The design of high-voltage cabinets aims to ensure the safe and reliable operation of the power system, prevent power accidents, and protect the safety of operators.
Advantages And Characteristics
- Functional unit modularization: Each internal functional unit is relatively independent, such as incoming unit, outgoing unit, metering unit, protection unit, etc., and each unit has its specific function and role. This modular design makes the functional combination of the switchgear more flexible, and can be freely matched and expanded according to actual need
- Strong adaptability: The switchgear can be customized and configured according to different application scenarios and user needs, suitable for power systems with various voltage levels, current capacities, and control requirements. It has a wide range of applications in large power plants, substations, industrial fields such as petrochemicals, metallurgy and steel rolling, light industry and textiles, as well as residential areas, high-rise buildings and other civilian places.
- Strong reliability: The internal electrical components have undergone strict selection and testing, ensuring reliable quality and stable performance. Moreover, the structural design of the switchgear is reasonable, with neat wiring and firm connections, reducing the probability of faults caused by looseness, poor Contact, and other issues, ensuring the stable operation of the power system.
- High safety: Equipped with comprehensive protection devices such as overcurrent protection, short circuit protection, leakage protection, etc., it can effectively prevent electrical accidents and ensure the safety of personnel and equipment. Meanwhile, switchgear Switch control cabinet usually adopts a metal shell, which has good grounding performance and protection level, and can prevent external environmental factors from affecting internal electrical components, further improving safety.
- High degree of integration: Multiple electrical components, such as circuit breakers, isolating switches, contactors, relays, fuses, transformers, instruments, etc., are centrally installed in a closed or semi closed metal cabinet, achieving centralized control and management of the circuit. This integrated design not only saves space, but also facilitates inspection, debugging, and troubleshooting by operators and maintenance personnel.
- There are many types of high-voltage switchgear, mainly including classification by main wiring form, classification by circuit breaker installation method, classification by cabinet structure and classification by internal insulation medium.
- Switchgear (also known as complete set of switches or complete set of distribution equipment) is an electrical equipment mainly composed of circuit breakers. It refers to the manufacturer's assembly of relevant high and low voltage electrical appliances (including control appliances, protection appliances, measuring appliances), busbars, current carrying conductors, insulators, etc. in a closed or open metal cabinet according to the requirements of the electrical primary wiring diagram, as a device for receiving and distributing electrical energy in the power system.
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High strength steel is selected to withstand compression
and impact, adapting to complex environments
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Built in intelligent module, real-time monitoring of operational
data, timely fault warning
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Optimize ventilation and heat dissipation system to avoid
equipment overheating and ensure stable operation
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What is single phase electricity:
Single - phase electricity is a type of alternating current power supply. It consists of one live wire and one neutral wire, with the current alternating sinusoidally. It provides a relatively stable voltage, usually 110V or 220V. It's commonly used in households for low - power appliances like lamps and TVs.
Product Parameter
I. Electrical Parameters
| Parameter Name |
Parameter Value |
| Rated Insulation Voltage (Ui) |
660V, 1000V |
| Rated Working Voltage (Ue) |
Auxiliary - circuit: AC 220V, 380V; DC 110V, 220V |
| Rated Frequency (f) |
50Hz or 60Hz |
| Rated Current (In) |
Horizontal bus - bar: ≤ 6300A；Vertical bus - bar: 1000A, 1600A, 2500A |
| Rated Short - Circuit Withstand Current (Icw, 1s) |
50kA, 65kA, 80kA, 100kA |
| Rated Peak Withstand Current (Ipk) |
105kA, 143kA, 176kA, 220kA |
| Rated Short - Circuit Breaking Current (Icu) |
50kA, 65kA, 80kA, 100kA |
II. Mechanical Parameters
| Parameter Name |
Parameter Value |
| Protection Level |
IP30, IP40, IP42, IP54, etc. (can be customized according to requirements) |
| Shell Material |
Cold - rolled steel plate or stainless steel plate, and the thickness of the plate is generally not less than 1.2mm |
| Overall Dimensions (Width×Depth×Height, mm) |
Standard cabinet: 800×800×2200, 1000×800×2200, 1200×800×2200, etc. (can be customized) |
| Number of Circuits in Drawer Unit |
1/4 - unit drawer: up to 22 circuits in a single cabinet
1/2 - unit drawer: up to 11 circuits in a single cabinet
1 - unit drawer: up to 6 circuits in a single cabinet
2 - unit drawer: up to 3 circuits in a single cabinet
3 - unit drawer: up to 2 circuits in a single cabinet
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| Drawer Interlock |
It has mechanical and electrical interlocks to prevent misoperation |
| Drawer Unit |
The height modulus is 20mm, and the height of the drawer compartment can be divided into 1E, 2E, 3E, 4E, 5E, 6E, 8E, 10E, 12E, 16E, 20E, 24E, etc.
(1E = 20mm, for example, the height of an 8E drawer is 160mm)
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If you are seeking a reliable solution for power distribution and control in an oil factory, our Low voltage switch cabinet is undoubtedly your best choice. Contact us immediately to learn more about our products, obtain exclusive customized solutions, and work together to create a stable and efficient future of electricity.
Application areas
- Power system: In scenarios such as distribution stations, power plants, and substations, switchgear is used to receive and distribute electrical energy, control transmission, generation, and distribution processes.
- Transportation: In scenarios such as highways and rail transit, switchgear can ensure stable power supply for critical systems and equipment. Provide reliable power support for traffic signals, tunnel lighting, station electrical equipment, etc.
- Industrial production: Switchgear can be used in industrial control systems, such as production process control in industries such as machinery, automotive, electronics, communication, food, textile, chemical, papermaking, cement, etc. Provide power supply for industrial production equipment and ensure the stability and safety of equipment operation.
- Petrochemical industry: In industries such as petroleum and chemical, switchgear is used to control the start and stop of equipment such as motors, pumps, compressors, etc. in the production process. Realize automated control of production processes to improve production efficiency and safety.
- Coal mining: In coal mines, switchgear is used to control the operation of equipment such as coal mining machines, transport machines, and ventilation fans. Ensure the safe and efficient production of coal mines.
- In the field of architecture： switchgear is used to control the operation of electrical equipment such as lighting, air conditioning, elevators, etc. inside buildings. Improve the intelligence level of buildings to achieve energy conservation and management.
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