TYD-12GD Indoor high pressure three-station vacuum switch
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Keyword： TYD-12GD Indoor high pressure three-station vacuum switch
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- Commodity name: TYD-12GD Indoor high pressure three-station vacuum switch
Tyd-12gd series indoor high-voltage three-station vacuum switch has excellent electrical and mechanical properties, reliable and stable mechanism and long service life. The main circuit adopts solid sealing pole, which improves the environmental adaptability and the reliability of the breaker. Reliable mechanical and electronic performance and extended mechanical and electronic life make maintenance-free circuit breakers posible.It can be used in 3.6-12kV power system, as power grid equipment, industrial and mining enterprises dynamic force design protection box control unit, suitable for a variety of different nature of the load and frequent operation, multiple times of short circuit current break occasions. Products have perfect mechanical and electrical interlocking device, with high operation stability and reliability, to ensure the safety of operators and equipment, to ensure the safety of electricity.
1. Adopt solid sealing pole technology.
2. Modular design: frame structure, integrated isolation switch, solid seal vacuum switch, grounding switch, sensor, interlocking mechanism, operating mechanism for high-performance miniaturized high voltage electrical products.
3. The size of the adaptive cabinetis (500 x 1000 x 1800)mm.
4. Rotary isolation switch, with visible fracture after breaking.
5. There is forced mechanicalinterlock between disconnecting switch, circuit breaker and ground switch to prevent misoperation.
6.The circuit breaker adopts modular operation mechanism, which can be replaced or repaired independently and has good interchangeability. Can use manual operation, also can choose ac, DC energy storage operation. Remote control.
7.The cabinet door and grounding switch are designed with reliable interlocking structure to ensure the safety of operators.
Model implication
Main technical parametersS/N Items Unit Data 01 The rated voltage KV 12 02 1min)Rated short-time power frequency withstand voltage:interphase/fracture KV 42/48 03 Rated lightningshock withstand voltage(peak):interphase/fracture KV 75/85 04 Secondary circuit power frequency withstand voltage(1min) V 2000 05 Rated frequency Hz 50 06 Rated current A 6301250 07 Rated short-circuit breaking current kA 20 25 31.5 08 Rated peak tolerance current kA 50 63 80 09 Rated short circuit switching current kA 50 63 80 10 4s rated short-time withstand current kA 20 25 31.5 11 Ratedshort-timeendurance cumentduration S 4 12 Rated single/back to back capacitor bank breaking current A 630/400 13 Rated capacitor bank closing inrush current kA 12.5(Frequency not greater than 1000Hz) 14 Rated short-circuit current times of breaking time 30 15 Mechanical life(disconnecting switch/circuit breaker/earth switch) time 3000/10000/3000 16 Cumulative allowable wear thickness of dynamic and static contacts mm 3 17 Rated closing operating voltage V AC24/48/110/220 DC24/48/110/220 18 Rated opening operation voltage V 19 Rated voltage of energy storage motor V AC24/48/110/220 DC24/48/110/220 20 Rated power of energy storage motor W 70 21 Energy storage time S ≤15 22 From contact mm 9±1 23 Over travel mm 3.5±1 24 Contact closing springtime ms ≤2 25 Three-phase points,closing phase of the different ms ≤2 26 Switching time(rated voltage) ms ≤40 27 Closing time(rated voltage) ms ≤60 28 Average opening speed(contact points~6mm) m/s 0.9～1.3 29 Average closing speed(6mm~contact justclosing) m/s 0.5～1.1 30 Rebound amplitude of contact brake mm ≤2 31 Contact closing contact pressure N 2400±200(20-25kA)3100+200(31.5kA) 32 Rated order of operation 0-0.3s-CO-180s-CO
Configuration
Standard configuration: wiring according to the standard wiring schematic diagram, including anti-jump device, no locking device, no overcurrent device, no under-voltage device.
Configuration parameter note Energy storage motor 75W The standard Closing coil A(D)C24~220V The standard Break-brake coil A(D)C24~220V The standard Isolating switch Auxiliary switch 1open 1closed 5A The standard Ground switch Auxiliary switch 1open 1closed 5A The standard Auxiliary switch of energy storage mechanism 2open 1closed 5A The standard Breaker auxiliary switch 8open 8closed5A The standard Spring prevention device A(D)C24~220V The standard Charged sensor(inductive type) non-contact The standard Locking device A(D)C24~220V Optional Overcurrent trip device 3.5A、5A Optional Undervoltage device A(D)C24~220V Optional
Physical dimension
Environmentally friendly gas-insulated metal enclosed switchgear is the most commonly used three-phase intelligent gas-insulated AC cabinet and is widely used in various switchgear sets, with population concentration in the country, the power market must be supported, environmentally friendly gas-insulated switchgear will also grow with market development; market potential is yet to be tapped. At the same time, as the product integrates data collection and management, data processing and storage, online monitoring of switchgear, advanced analysis, and other multifunctions in one, network intelligent monitoring and management of the distribution network, so that the distribution network operates in a safe, reliable, high-quality, and efficient best state, to achieve remote monitoring, management, and control of the power system distribution network, to achieve network optimization, safe electricity use, power management, energy saving, and consumption reduction; at the same time, the system can be widely used in intelligent power distribution fields such as transportation, factories, hospitals, schools, buildings, residential areas, and commercial office buildings.
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