Your Professional High Voltage Switchgear Supplier
Our goal is to become your true partner in the field of high voltage switchgear enclosure. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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![Hv Ring Main Unit]()
Hv Ring Main UnitHv ring main unit is suitable for 10kv, three-phase Ac 50Hz, single bus system, and is used for receiving and distributing electric energy. Hv ring main unit has the characteristics of...view more -
![Sf6 Ring Main Unit]()
Sf6 Ring Main UnitXGN17-12 type AC sf6 ring main unit is suitable for use in 10Kv three-phase Ac 50Hz ring network or terminal power supply system. The utility model can be used for distributing electric energy or...view more -
![Rmu Switchgear]()
Rmu SwitchgearXGN-12 rmu switchgear is suitable for 10ky,three-phase Ac 50Hz and single bus system.it is used for receiving and distributing electric energy. It rmu switchgear has the characteristics of...view more -
![Sf6 Insulated Switchgear]()
Sf6 Insulated SwitchgearHRM16-12 sf6 insulated switchgear is a completely sealed system, in which all live parts and switches are enclosed in a stainless steel shell. The sf6 insulated switchgear is not affected by the...view more
Why Choose Us
Our team:
We have a professional team of over 200 employees, including over 25 professional technicians.
Quality control:
We rigorously control every process, ensuring our products comply with relevant standards such as GB7251.1, GBT/23359, and JB/T9661.
Our services:
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Advantages of High Voltage Switchgear
Enhanced power transmission: Stepping up the voltage at the source allows for higher transmission voltages in systems where power requires distribution over long distances, such as in national electric grids.
Greater efficiency in high-power systems: Efficiency cuts costs in high-power systems. In the grand scheme of things, it also reduces strain on the electrical infrastructure. High voltage enables the design and operation of more efficient systems.
Reducted energy loss: High-voltage systems encounter diminished resistance and fewer energy losses. These losses are attributed to joule heating and energy dissipating as heat while currents flow through a conductor.
Improved insulation performance: When voltage rises, so too does the potential for disruptive electrical incidents. Insulation can contain this energy, and sticking to lower voltages would typically entail thicker insulation layers.
Specification of High Voltage Switchgear
|
Height |
Width |
Depth |
|
1900mm |
400/500/600/650/700/800/900mm |
900mm |
|
2000mm |
900mm |
|
|
2200mm |
900mm |
Features of High Voltage Switchgear
Circuit breakers:
The circuit breakers have to be highly reliable since they deal with high voltage switchgear and current levels.
Gas insulated switch gear (gis):
Compact and hence used in high voltage switchgear due to its better insulation properties.
Arcing protection:
Special design and materials are used to control that enormous energy evolved during breaking.
Minimum oil circuit breakers (mocb): Uses minimal quantity of oil for arc quenching.
Air blast circuit breakers: Uses high pressure air for arc extinction.
Sf6 circuit breakers: These are the circuit breakers in which sulfur hexafluoride gas is used and is best in arc quenching and insulation.
Application of High Voltage Switchgear
Power generation plants:
Switchgear is essential for controlling and protecting the electrical equipment in power generation plants, ensuring safe and reliable operation.
Transmission and distribution networks:
Switchgear is used to manage the flow of electricity in transmission and distribution networks, providing protection and control at various points in the system.
Industrial facilities:
High voltage switchgear is used in industrial facilities to protect and control electrical equipment, ensuring safe and efficient operation.
Commercial buildings:
Large commercial buildings require high voltage switchgear to manage the distribution of electricity and protect electrical systems from faults.
Components of High Voltage Switchgear
Circuit breakers: The circuit breaker, a critical component in high-voltage switchgear systems, is an electrical switch that automatically protects a circuit from damage caused by overload or short circuits.
Instrument transformers: Instrument transformers are critical measuring equipment that are built into high-voltage switchgear systems. The basic function of current transformers (cts) and voltage transformers (vts) is to reduce current and voltage levels.
Earthing switches: The earthing switch, a safety-essential component in a power system, is important to the system’s and operators’ safety. When the isolator or breaker is opened, it establishes a ground connection.
Step-up/down transformer: The largest and most expensive components of high-voltage switchgear are the step-up transformer, which increases the voltage of an electrical signal for efficient long-distance transport with minimal power loss, and the step-down transformer, which reduces the voltage before it reaches equipment that cannot handle high voltages.
Disconnecting switch: Disconnectors are simple mechanical switches used in high-voltage switchgear systems to stop or restart electrical circuits.
Relays: A relay is a switch powered by electricity that May be used to activate or deactivate circuits. Protective relays are intended to detect problems in the electrical system and trip the circuit breaker.
Busbars: Busbars are low-impedance cables that connect electrical devices. Busbars in high-voltage switchgear link high-voltage circuit breakers and other components, allowing electricity to be sent between places.
Surge arresters: A surge arrester is a gadget that protects equipment from damage caused by unexpected high voltages, such as lightning strikes and switching surges.
Earthing grid: An earthing grid, made up of metal rods or plates placed in the ground, is used to route electrical energy into the earth. This protects equipment from lightning strikes and abrupt voltage surges.
Transformer: Simply described, a transformer is a device that employs alternating electromagnetic fields to convert various voltage levels (really electrical energy), with the voltage before and after the conversion being constant in frequency.
Packing and Shipping of High Voltage Switchgear
|
Packing |
Wooden box |
|
Shipping |
Shipped by road, sea, rail |
FAQ
We're professional high voltage switchgear manufacturers and suppliers in China, specialized in providing high quality custom service. We warmly welcome you to buy high voltage switchgear at competitive price from our factory.
Hv Ring Main Unit, Rmu Switchgear, switchgear enclosure
