The magnetic voltage booster/stabiliser (RSMT) is a safe and reliable solution for three-phase LV distribution networks, stabilising and improving voltage in areas where it falls below normal limits, without major investment or extensive works. Installation and commissioning require only one day.
|
Code |
MVB 70-400 |
MVB 160-400 |
MVB 250-400 |
|
Distribution system connection |
TN / TT |
TN / TT |
TN / TT |
|
Frequency [Hz] |
50 |
50 |
50 |
|
Voltage [V] (3-phase) |
230/ 400 |
230/ 400 |
230/ 400 |
|
Rated power [kVA] |
30 |
70 |
112 |
|
Power, 6 hours, at 20 0 C, input voltage 195 V [kVA] |
50 |
110 |
170 |
|
Rated current [A] |
40 |
100 |
160 |
|
Current, 6 hours, at 20 0 C, input voltage 195 V [A] |
70 |
160 |
250 |
|
Reference voltage [V] |
235 |
235 |
235 |
|
Voltage increase [%] (balanced loads) |
0...+15 |
0...+15 |
0...+10 |
|
Voltage increase/decrease [%] (unbalanced loads) |
0...+28, 0...-7 |
0...+28, 0...-7 |
0...+18, 0...-7 |
|
Dynamic response [ms] * |
150 |
200 |
200 |
|
Minimum losses [W] ** |
180 |
220 |
220 |
|
Efficiency [%] *** |
97-99 |
97-99 |
97-99 |
|
Power factor [cosφ] *** |
0,98-0,99 |
0,98-0,99 |
0,98-0,99 |
|
Ratio of harmonics to the corresponding AC quantity [%] *** |
1-5 |
1-5 |
1-4 |
|
Dimensions |
|||
|
Length x height x depth [mm] |
754x928x539 |
1003x1190x648 |
1003x1190x648 |
|
Weight [kg] |
390 |
750 |
750 |
|
Cable connection [copper mm 2] |
≤ 16 |
≤ 50 |
≤ 70 |
|
Oil filling [l] |
75 |
158 |
158 |
|
Enclosure |
Galvanised |
Galvanised |
Galvanised |
|
Features |
|||
|
Bypass at output voltage ±15% or high temperatures |
√ |
√ |
√ |
|
Handles 100% overloads while maintaining voltage |
√ |
√ |
√ |
|
Increases single-phase short-circuit withstand capacity by at least 60% |
√ |
√ |
√ |
|
No moving parts in the circuit |
√ |
√ |
√ |
|
Maintenance-free |
√ |
√ |
√ |
|
Estimated service life of 25 years |
√ |
√ |
√ |
|
Instalare rapidă < o zi |
√ |
√ |
√ |
Options: SSP = Short-circuit protection with disconnectors installed in the three-phase circuit; FR3 = Environmentally friendly organic oil
* – voltage increase from zero to maximum
** – zero voltage increase
*** – rated load, variable voltage increase
