SE electronic voltage stabilizer 1–2000 kVA
Country: Italy · Model: SE
SE electronic stabilizers cover a single-phase range of 1–75 kVA and a three-phase range of 3–2000 kVA, and hold the output within ±3% at 98% efficiency. They are installed at the input of enterprises, administrative buildings and process lines where the supply sags by up to −30%.
- Power
- 1-phase 1–75 kVA (SE-10…SE-23); 3-phase 3–2000 kVA (SE-10/3…SE-34/3)
- Input voltage
- 220/230/240 V −30% +20% (1-ph.); 380/400/415 V −30% +20% (3-ph.); others on request
- Output voltage
- ±3%, sine wave without added distortion
- Efficiency at full load
- 98%
Technical specifications
| Power | 1-phase 1–75 kVA (SE-10…SE-23); 3-phase 3–2000 kVA (SE-10/3…SE-34/3) |
|---|---|
| Input voltage | 220/230/240 V −30% +20% (1-ph.); 380/400/415 V −30% +20% (3-ph.); others on request |
| Output voltage | ±3%, sine wave without added distortion |
| Efficiency at full load | 98% |
| Response time | 2 ms (smaller models 0.15 s) |
| Principle | series (buck-boost) transformer, triacs, microprocessor control |
| Protection degree | IP20 |
| Operating temperature | −22…+50 °C |
| Standards | CE (2014/30/EU, 2014/35/EU), IEC 742 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The continuous-mode circuit is built around a series buck-boost transformer, to whose primary winding triacs apply the required share of voltage under microprocessor control. Only the correction passes through the power path, not the whole load, so losses are small and the output sine wave gets no added distortion. The input range is 220/230/240 V −30% +20% for single-phase units and 380/400/415 V −30% +20% for three-phase units; other ratings are made to order. Most models respond in 2 ms, smaller ones in 0.15 s. The IP20 enclosure is intended for an electrical room, and the operating temperature of −22…+50 °C allows the unit to be installed in an unheated room as well. CE conformity is confirmed under directives 2014/30/EU and 2014/35/EU, and the transformer design complies with IEC 742.
How to choose
The model is set by the load power: single-phase SE-10…SE-23 cover 1–75 kVA, while three-phase SE-10/3…SE-34/3 reach 2000 kVA. For a single device up to 5 kVA the more compact SH with ±2% accuracy is suitable. If the line has a lot of interference besides voltage deviations, take the CR power conditioner with the same power range. For a solar plant that is tripped by protection because of high voltage at the connection point, there is the bidirectional SE Solar version.
Request a price and lead time
SE electronic voltage stabilizer 1–2000 kVA. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the stabilization accuracy of SE?
The output voltage is held within ±3%, and the sine wave gets no added distortion.
What mains deviation does the SE stabilizer compensate?
The permitted input is −30% +20% of the 220/230/240 V rating for single-phase and 380/400/415 V for three-phase models.
How fast does the SE stabilizer respond?
The response time is 2 ms, and 0.15 s for the smaller models of the range.
Can the SE stabilizer be installed in an unheated room?
The operating temperature range is −22…+50 °C, so the unit withstands an unheated electrical room. The IP20 protection degree requires shelter from dust and moisture.
What is the efficiency of the SE stabilizer?
At full load the efficiency is 98%, because only the correction power passes through the triacs.
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Need a price, lead time or replacement?
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