Standardized customization of 12 kV ring main unit (box)

JP cabinet low voltage integrated distribution box

JP low voltage distribution reactive power compensation integrated cabinet is a new type of outdoor distribution reactive power compensation integrated cabinet designed on the principle of safety, economy, rationality and reliability. It is a new outdoor comprehensive distribution box with multiple functions such as electric energy distribution, control, protection, reactive power compensation and electric energy metering. It is suitable for distribution systems with 50 Hz AC and rated voltage of 380 V in urban power network, rural power network transformation, industrial and mining enterprises, street lighting and residential quarters, and can be added with leakage protection function according to users' requirements. The product has the advantages of novel and reasonable structure, high protection grade, convenient installation, debugging, maintenance and overhaul, etc. The product conforms to GB7251 and GB/T15576-2008, and has passed 3C certification. It is an ideal complete set of low voltage equipment in the transformation of power grid at present.

KYN28A-12 type 12 kV indoor metal armored high voltage switchgear

XGW-12 series outdoor switching station (ring main unit)

For XGW-12 series outdoor switching station (outdoor ring main unit), according to foreign advanced technology, 10 kV switch cabinet, circuit breaker, load switch, current and voltage transformer, 10 kV power PT, communication control terminal (DTU), 10 kV metering and automatic meter reading, UPS power supply and indicating instrument are installed and debugged into a movable, sealed and moisture-proof stainless steel box, thus realizing the integration of primary and secondary systems in urban distribution network and modularization of assembly, shortening construction period and greatly improving the reliability of urban power grid operation.

Standardized customization of 12 kV ring main unit (box)

In order to meet the general interchangeable use of equipment from different manufacturers in a certain range and a certain period, and improve the convenience of operation and maintenance of ring main units, the Company organized China Electric Power Research Institute, design institutes, operating units, manufacturing enterprises, testing institutions and other units to carry out standardized design work such as typical structural schemes and primary interfaces of ring main units. This standardized design of 12 kV ring main units is aimed at SF6 gas insulated ring main units which are widely used at present, taking into account the requirements of environmental protection gas insulated ring main units, solid insulated ring main units and atmospheric sealed air insulated ring main units. When a fault occurs in the operation process or a quality problem is found in the products of an enterprise by random inspection, it is convenient to directly replace the equipment of other manufacturers by lifting the indoor single cabinet or outdoor ring main unit, and the internal structure of the products of each manufacturing enterprise can be designed differently.

Metal electric energy metering box

The Company has a variety of types of electric energy metering box mold, as well as presses and injection molding machines with different tonnages, the product types are: SMC meter box, PC + ABS meter box, metal meter box and so on. Multiple types of meter positions: 1-position, 2-position, 3-position, 4-position, 6-position, 8-position, 9-position, 12-position, 16-position, 24-position, and 36-position meter boxes. The product is widely used in residential construction, school shopping malls, civil electricity transformation and other places.

State grid new standard SMC non-metal metering box

The Company has a variety of types of electric energy metering box mold, as well as presses and injection molding machines with different tonnages, the product types are: SMC meter box, PC + ABS meter box, metal meter box and so on. Multiple types of meter positions: 1-position, 2-position, 3-position, 4-position, 6-position, 8-position, 9-position, 12-position, 16-position, 24-position, and 36-position meter boxes. The product is widely used in residential construction, school shopping malls, civil electricity transformation and other places.

ZW20AF-12 outdoor on-column circuit breaker

ZW20AF-12 outdoor on-column circuit breaker (referred to as boundary switch) is outdoor distribution equipment with rated voltage of 12 kV and three-phase AC 50 Hz. It is suitable for outdoor installation on column, with manual, electric and automatic operation functions (requiring supporting controller). It adopts vacuum interrupter and SF6 gas to strengthen insulation protection against ground, and is mainly used to break and close load current, overload current and short circuit current in power system. It is suitable for protection and control in power distribution system of substations and industrial and mining enterprises, and is more suitable for rural power grid and places with frequent operation. This product is matched with controller, which can meet the requirements of power distribution automation system and reliably and effectively complete the traditional recloser function.

ZW32-12 outdoor on-column circuit breaker

ZW32-12 outdoor on-column vacuum circuit breaker is an outdoor distribution switchgear with rated voltage of 12 kV and three-phase AC 50 Hz. Circuit breaker is mainly used for breaking and closing load current, overload current and short circuit current in power lines. It has overload and short circuit protection functions, meets the requirements of control and measurement, and can also realize remote control and monitoring functions. It is widely used in substation and distribution system of industrial and mining enterprises as control and operation, especially suitable for frequent operation places.

10 kV on-column transformer equipment products

The 10 kV on-column transformer equipment is a complete set of products suitable for distribution systems such as urban power grid, rural power grid transformation, industrial and mining enterprises, street lighting, residential quarters, etc., according to the design scheme in Typical Design of Distribution Network Project of State Grid Corporation of China (2016 Edition)—10 kV Distribution Transformer Volume, which meets the requirements of modern distribution network such as safety, reliability, durability, reasonable structure, advanced technology, flexibility, reliability, economy and high efficiency.

YB-12 series pre-installed transformer (European box-type substation)

YB-12 series pre-installed substations comply with GB17467-1998 High-voltage/Low-voltage Prefabricated Substation and IEC1330 standards, etc. This series of substations is mainly a perfect distribution device composed of four parts: shell, transformer, low voltage switchgear and high voltage switchgear. Because of its small size, compact structure, small occupied area and convenient relocation, it greatly shortens the capital construction cycle, reduces the occupied area and reduces the capital construction cost.

Standardization of 10 kV high voltage/low voltage pre-installed substation (standard European box-type substation)）

In order to satisfy the general interchangeable use of equipment from different manufacturers in a certain range and a certain period, and improve the convenience of operation and maintenance of box-type substations, the Equipment Management Department of State Grid Co., Ltd. organized China Electric Power Research Institute, design institutes, operation units, manufacturing enterprises, testing institutions and other units to carry out typical structural schemes, high voltage chambers, low voltage chambers, civil engineering interfaces and other standardized design work of 10 kV high voltage/low voltage pre-installed substations (hereinafter referred to as "box-type substations") products, so as to facilitate the replacement of qualified products from other enterprises at any time when products fail during operation or quality problems are found by random inspection

Primary and secondary fusion ring main unit

(YHSM) XGN-12 ring main unit is fully insulated and suitable for distribution automation. It is a compact and expandable metal enclosed switchgear with the characteristics of miniaturization, complete parameters and less maintenance. The product has three-station arc extinguishing chamber of "closing-opening-grounding", with "five prevention" function (preventing the main switch from opening and closing with load; preventing straying into the live barrier; preventing the main switch from opening and closing by mistake; preventing live grounding wire; and preventing grounding switch from sending electricity at grounding position), and high fracture insulation strength, large climbing distance design. All outgoing lines are protected by fully insulated elbow cable heads. The product has fixed and sealed design, advanced technical performance and portable and flexible assembly scheme, which can meet the changing requirements of the market, and it is a new generation of high voltage switchgear equipped for urban power grid.

S20, S22 series oil immersed transformer

Core structure: The core is made of silicon steel sheet material with high permeability and low loss, and the stepped multi-level joint structure is conducive to reducing no-load loss and no-load current; Anti-loose structure for core tension and clamping.

GGD AC low voltage fixed switchgear

GGD AC low voltage fixed switchgear is suitable for power conversion, distribution and control of power, lighting and distribution equipment in power distribution system with 50 Hz current, rated operating voltage of 380 V and rated operating current of 3150 A for power users such as power plants, power distribution stations and industrial and mining enterprises.

GCS low voltage draw-out switch cabinet

GCS low voltage draw-out switchgear is designed and developed by the joint design group of the two national departments according to the requirements of the competent departments of the industry, the vast number of power users and design units, which is in line with the national conditions, has high technical performance indicators, can meet the needs of the development of the power market and can compete with the existing imported products. The equipment passed the appraisal jointly hosted by two departments in Shanghai in July 1996. It is valued and affirmed by manufacturing units and power users.

Standardized customized low voltage switchgear (SLVA)

In order to further deepen the standardization construction of distribution network and promote the distribution equipment to move towards the middle and high end, the Equipment Department of State Grid Co., Ltd. organized the State Grid Shanghai Municipal Electric Power Company, China Electric Power Research Institute, operating units, testing and certification institutions and manufacturing enterprises to carry out the compilation of Standardization Design Scheme for Low Voltage Switchgear.

GCS low voltage draw-out switch cabinet

MNS low voltage draw-out switchgear is suitable for power plants and substations. It is used for electric energy conversion, distribution and control of power distribution equipment of power system with AC 50-60 Hz and rated operating voltage of 660 V or less in factories and mines such as petrochemical industry, metallurgical steel rolling, light industry and textile, residential quarters and high-rise buildings.

DFW cable tapping box

DFW-0.4 low voltage cable branch box is mainly used in public power grid, with new and diverse connection modes and component layout, which can completely realize bus bar installation without drilling, and the bus bar current carrying capacity is not affected. According to the needs of transmission and distribution network and users, it provides a variety of distribution modes, box types and installation modes, so that users can choose easily among flexible schemes. In the construction and transformation of national area network, it is a high-quality product that replaces overhead incoming lines. It is widely used in three-phase low-voltage transmission and distribution systems in outdoor public places such as substations, public mining enterprises, street sides, garden residential quarters, high-rise buildings, airports, and key construction and reconstruction projects, and is used as a complete set of stereotyped equipment for distributing electric energy to other users or equipment by cables.

One and two fusion column circuit breaker

The switch body, feeder terminal and power voltage transformer are connected with military-grade aviation connectors through outdoor fully insulated cables. The aviation socket exposed to the air must be sealed with a sealing material to seal the metal conductor to improve its anti-condensation performance. The broken cable connecting to the power supply voltage transformer must be treated to prevent rainwater immersion and fixed in a U-shape during installation. A U-shaped fix should be made on the side of the cable controller to prevent rain from pouring into the plug along the cable.

PC + ABS non-metallic metering box

The Company has a variety of types of electric energy metering box mold, as well as presses and injection molding machines with different tonnages, the product types are: SMC meter box, PC + ABS meter box, metal meter box and so on. Multiple types of meter positions: 1-position, 2-position, 3-position, 4-position, 6-position, 8-position, 9-position, 12-position, 16-position, 24-position, and 36-position meter boxes. The product is widely used in residential construction, school shopping malls, civil electricity transformation and other places.