1. Extremely high operational continuity and safety this product belongs to LSC2B equipment and is a switch cabinet with operational continuity specified in the new GB3906 standard. It can ensure that when any accessible compartment is opened, other functional units can be charged and operate normally. This product has a certain ability to withstand the fault of internal arc, and when the fault occurs, general personnel can touch the cabinet. The protective cover of this product is IP4X/IP3X, with complete interlock, reliability and integration, which fully guarantees the safety of personnel and equipment.
2. The structure arrangement of the novel miniaturization of this product is a metal seal structure, the bus room, the breaker room, from top to bottom series configuration cable room, equipped with a device according to the vertical layout, mistress line and the bus bar is the "T" type of vertical arrangement, main circuit and a transitional connection between components, eliminating the insulation support parts, simple structure, compact, current-carrying wire short, less joints, the cooling channel, incase air convection. The interphase and ground air completely meets the requirement of greater than 125mm. The cabinet under rated current 1250A is only 400/450mm in width, and the cabinet between 1600A and 3150A is 800mm in width, and can be installed against the wall. It is a product of user's transformation and expansion of high-rise basement and tight or expensive land.
Kyn450-12 mobile digital intelligent cabinet
Kyn450-12 digital intelligent cabinet is 12kV, three-phase ac 50Hz, new generation miniaturization of single bus and single bus subsection system, new type of combined electrical switch equipment. Applicable to industrial and civil cable ring network and distribution network terminal engineering. As the only use for accepting and distributing electric energy, it is especially suitable for distribution of power in urban residential areas, small secondary substation, open and close station, cable branch box, box substation, industrial and mining enterprise, shopping mall, airport, subway, wind power generation, hospital, stadium, railway, tunnel and other places.
This product has the characteristics of simple structure, flexible operation, reliable interlock and convenient installation, and can provide satisfactory technical solutions for various applications and different users. The adoption of sensor technology, automatic control technology and information technology, together with advanced technical performance and simple and flexible assembly scheme, can meet the ever-changing demands of the market and is applicable to the requirements of smart grid.
Kyn450-12 digital intelligent cabinet meets the relevant national standards, power industry standards, international standards and other standards. The operating mechanism adopts spring mechanism for simple operation, safety and reliability, and the mechanical life is more than 10000 times.
Conditions of use:
S environment temperature, environment temperature is not higher than 40 ℃, not less than 15 ℃, and at 24 h closed to the average no more than 35 ℃;
Ambient humidity: the mean value of relative humidity measured within 24h shall not exceed 95%, and the mean value of steam pressure shall not exceed 2.2kpa; The average monthly relative humidity shall not exceed 90%, and the average water vapor pressure shall not exceed 1.8kpa.
Body altitude: no more than 2000m;
Seismic intensity: no more than 8 degrees;
The surrounding air is not significantly polluted by dust, smoke, corrosive or flammable gases, steam or salt fog;
The degree of rigor under the movement of water condensation and pollution: according to GB3906 1 level regulation;
When the relative humidity is greater than 70%, the heater should be connected to prevent condensation.
If the conditions of use are different from those described above, the user shall negotiate with the manufacturer.
Technical parameters:
Rated nominal voltage: 12kV;
Nominal rated power frequency withstand voltage: 42kV;
Rated lightning impulse voltage: 75kV;
Nominal frequency: 50Hz;
S thermal stability of 4 s current (RMS) : 20 kA, kA, 25 31.5 kA, kA, 40 to 50 kA; 63 ka, ka, 50 to 63 ka, 100 ka, 125 ka;
The rated current of the main bus line is 4000A.
S branch bus rated current: 630 a, 1250 a, 1600 a, 2000 a, 2500 a, 3150 a, 4000 a *;
Light cabinet width (W) : 450(mm);
Cabinet depth (D) : 850/1000(mm);
Cabinet (H) : 1800-2200(mm);
Enclosure IP4X(circuit breaker chamber door open to IP2X);
Weight: 700~1000kg(including handcart);
S environmental temperature: 15 ~ 40 ℃;
In terms of altitude of 130 m,
Degree relative humidity: 95% or less on average daily, 90% or more on average monthly;
The switch cabinet should be forced air cooling.
3. The application of multiple composite technologies not only has the safety and reliability of the fixed cabinet, but also has the characteristics of convenient maintenance of the handcart cabinet. With handcart type vacuum isolation circuit breaker LZ1-12 with double functions on circuit breaker and isolation, the circuit breaker is a unique function transformation, a three-phase vacuum arcing chamber insulating tube can form 90 ° rotating air isolation double fracture of the insulation, formation fracture without moving the handcart, ark of both fixed and the characteristics of the handcart cupboard, easy to use (manual or electric), greatly reduces the depth of the switch cabinet. The performance of VGZ/ lz1-12 vacuum isolation circuit breaker belongs to c2-e2-m2 level, that is, it has a low probability of re-breakdown when breaking capacitive current, and it has a long electrical and mechanical life. LZ1-12 using vortex coil spring operating mechanism, circuit breaker, brake is through a single vortex coil spring release energy to drive a closed at 360 ° curve of CAM, drive to complete the turn arm, match the vacuum arcing chamber open circuit characteristics, bounce and rebound break-brake small switching characteristics. Current transformer combination with insulation casing, charged display sensor, isolation, and grounding switch static contact, cable to connect the first function, effectively simplifies the structure of the cable chamber, enlarged the cable room space available, current transformer assembly USES the packaged the secondary coil, can better meet the needs of different projects and different working conditions
