30 Kva Three Phase Automatic Voltage Stabilizer For Industrial
Equipment
1. Quick Details
Item name: AVR voltage stabilizer
Item type: TNS(SVC)-30KVA
Brand: Ewen
Phase: 3P
Rated Power: 30KVA
Rated Frequency: 50hz-60hz
Input Voltage: 380V±20% (304-456V)
Output Voltage: 380V±2%
Input Current: 45A
Output Current: 45A
2. Detailed Specifications
Insulation Class: F or higher as you wanted
Insulation Resistance: ≥2 MΩ
Protection Class: IP20 or higher as you demanded
Product Efficiency: 98%
Working Altitude: less than 1000m
Ambient Temperature: -15~45℃
Waveform Distortion: no additional waveform distortion
Function: stabilizing the voltage
Protection Design: Short circuit, time delay, over-voltage,
under-voltage, over current, over load etc.
Overload Capacity: maintaining 30 seconds with 120% of its rated
capacity
Major parts: Copper coil, carbon brush, servo motor, circuit board,
enclosure, omni-directional wheels etc.
3. Major Parts and the Functions
| Name | Function |
| Copper coils (Regulating coils) | Adjusting the output voltage automatically |
| Aluminum coils (Compensating coils) | Compensating the voltage automatically |
| 1017 Carbon brushes | Helping to regulate voltage |
| Servo motors | Facilitating the rotation of carbon brush and so as to regulate
voltage quickly |
| Circuit borads | Controling three phase voltage independently and precisely |
| Enclosure | Protecting the major parts of this stabilizer effectively |
| Omni-directional wheels | Making movement of the machine more easily |
4. Capacity Selection:
Please have a look at the following chart below first:
Load | Electrical Equipment | Start Impact | Rated Capacity of Stabilizer |
| Capacitive load | Computer, TV, refrigerator, fluorescent lamp, mercury lamp etc. | 1.5-2 times | 1.5-2 times of the capacity of your equipment |
| Inductive load | Air conditioner, pump, air compressor, machine tools, printing
machines etc. | 3-5 times | 3-5 times of the capacity of your equipment |
From this chart, you could see there are two kinds of loads,
capacitive load and inductive load. When you want to buy a
stabilizer, firstly, identify the rated capacity of your equipment.
In other words, please know whether it's a capacitive load or an
inductive load. Becuase the start impact of electricity is
different.
If you do not know to what type your equipment belongs, please buy
a stabilizer of which the capacity is at least 5 times of the rated
capacity of your equipment.
5. Product Details:
The description of different parts of the product. The LCD dispaly
pannel, the air switch, the omin-directional wheels, the heat
dissipation holes, the lock.
Please see the back profile of this tabilzier. The heat dissipation
holes are around three sides of it. So it has a good characteristic
of ventilation.
