6KVA 10KVA Mining Explosion Proof Intrinsically Safe Load Center
Purpose
Applicable to large mechanized coal mine , transport and other large comprehensive equipment load, set mobile substation, vacuum distribution device, load switch and protection device for multi voltage large integrated devices, it has characteristic of strong power, multi-loop multi voltage output, takes up small area , concentrated communication etc.
Features
- The split type structure design, seamless electrical connection;
- Multi voltage multi-circuit design, realize the whole working face air control;
- The key components are original matching, strong compatibility;
- Load switch modular design, full function, interchangeable and Single reversing; each circuit is isolated ,an arc does not affect the neighborhood;
- Adopts imported original 64 high-speed chip microcomputer intelligent control system, realize the complete three-dimensional protection device, processing digital information fast;
- All load loop with intelligent logic control mode, individual use, also can be used with other linkage, atresia, logic operation;
- The load switch module can realize independent reversing function, single reversing, mass reversing;
- Industrial control computer realize each parts centralized communication, through the computer network port or serial upload, convenient for centralized control, remote monitoring requirements
Mining Explosion-proof Intrinsically safe high voltage vacuum switch
Rated voltage (V) |
Frequency |
Rated current(A) |
Current setting range
|
|
3300,1140 |
3150,4000 |
50HZ |
outlet 12*400A,six-circuit 1140,six-circuit 3300
|
10-400A adjustable,step length 1A |
operating handle operation module is connected, break the main circuit, the disconnect switch of the main circuit has mechanical electrical interlocking, the contactor will separate from the main bus till it break; mechanical interlocking open the front door after all modules break from the bus | ||||
|
Main circuit vacuum contactor |
connect capacity (times) |
Break capacity(times) |
Limit breaking capacity(times) |
Electrical endurance(10000 times) |
4000A/50times |
3200A/50Times |
4500A/3Times |
AC3/30,AC4/3 |
|
Intrinsically Safety plug input voltage AC36V, output parameters of the maximum open-circuit voltage of AC20V, the maximum short-circuit current 136mA.Remote control cable length ≤300m,distributed inductance≤0.3mH, distributed capacitance ≤0.03uF | ||||
|
Control mode
|
Single control, on-line control (control time arbitrarily set, maximum 99.99s, 0.1s minimum), single item double speed control;automatic switching, double item double speed control |
|||
Combination switch double speed switching time |
Low-speed a high-speed conversion time 75-100 ms |
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Mining Explosion-proof safe dry transformer
| Rated total capacity(KVA) |
800.1000.1250.1600.2000. 2500.3150.4000 |
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| Rated voltage and the tap voltage | High-voltage | high voltage subsection | Tapping range of high voltage | Link group label |
| 6KV,10KV | 3.45,1.2 or 1.2,0.693 | +- 5% | Dynlly0(d11) or Yyn0y0(d11) | |
| No-load loss (W) |
6KV:2050.2350.2750.3350.3800.4500.5300.6100 10KV:2300.2600.3100.3800.4500.5200.6100.7000 |
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|
1.Load loss and short circuit impedance is 145°C(heat insulation levels and H reference temperature) of value; 2.Short circuit impedance for 100% capacity parameters after conversion. 3.Capacity allocation according to the customer demand can also use other allocation scheme. | ||||
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