TND / SVC series single-phase high-precision automatic exchange regulators
Product Description
Kun Mai series contact voltage regulator is China Machinery & Electric Industry fourteenth installment of energy-saving products. A waveform distortion, small volume light weight high efficiency and easy to use reliable long-term operation, etc., is an ideal AC voltage power supply. The regulator belongs adjustable autotransformer structure in toroidal uniform coiled brush under spring pressure in close agreement with the polished surface of the coil, the rotation shaft driven brush holder, so that the carbon brushes along the coil surface of the slider, change the carbon brush contact position, the output voltage can achieve a smooth stepless adjustment within the adjustment range。
Scope of application
The products are widely used in industrial production, scientific experiments and testing in areas such as household appliances regulator equipment, inspection and test equipment, rectifier equipment, electrical products aging test equipment, power control equipment to achieve voltage regulation, temperature control, tune speed, dimming and power control purposes。
Selection of materials
1. We have high permeability steel straight orientation, so the loss is small。
2. Mechanical automatic winding evenly between the turns of each line straightened parallel, so that the contact surface is smooth
3. Heat-resistant resin material is utilized in dipping and curing processes, leading to a stronger resistance to heat for the regulator.
4. Mechanical grinding process is utilized to smooth the contact surface just like a mirror.
5. The application of traditional multi carbon brushes expands the contact surface and decreases current that each brush needs to hold. As a result, the temperature rise of the regulator decreases.
6. High-performance carbon brushes increase conductivity and eliminate sparks.
7. A Welding surface by cooper reduces contact resistance and also the temperature rise.
8. Heat-resistant elastic metal stabilizes mechanical stress and reduces the temperature form contacts.
Technical Parameters
Input voltage |
Single-phase 220V three-phase (three-phase four-wire) 380V (possible to customize) |
Output voltage |
0-250 single-phase three-phase 0-430V (possible to customize) |
Frequency |
50Hz/60Hz |
Efficiency |
>90% |
Waveform distortion |
No additional distortion |
Temperature rise |
<60℃ |
Dielectric strength |
2000V/min |
Insulation resistance |
Single-phase> 5MΩ three-phase> 2MΩ |
Ambient temperature |
-15℃--+40℃ |
Note: Special voltage and product specifications can be designed and manufactured according to user requirements