thyroswitch / free standing cabinet
Detuned reactive current compensation system with thyristor switch
Highlights
Dimensions: (H x W x D in mm):
S5 (2000 x 800 x 600)
- Power from 75 to 250 kvar
- Inductor factors 5.5, 7 or 8 % and 12.5 or 14 %
- Capacitors multicond-UHPC with 525 V
- High-speed reactive power controller multicomp F144-12DO
- Long working life through unlimited switching frequency
- No noise produced when switching stages
Technical data
Device type: Thyristor-switched system
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Reactor factors: 5.5, 7 or 8 %, Capacitor rated voltage: 440 V (SSTB) | |
|---|---|
| Rated voltage | frequency: | Un = 400 V | 50 Hz |
| Maximum permissible operating voltage: | Un = 400 V ± 10 % |
| Maximum permissible operating current: |
1.3 x In permanently
|
|
Reactive power controller:
|
multicomp F144-12DO high-speed controller |
| Current transformer connection: | 1 A and 5 A |
| Safety and maintenance concept secure C: | - |
| Switching element: | Thyristoren |
| Control voltage: | DC triggering: Ucontrol = 10 – 30 V AC triggering: Ucontrolcontrol = 230 V, 50/60 Hz Triggering via reactive power controller or directly via SPS or process controller |
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>>> Control voltage transformer required for deviating operating voltage
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| Switching delay: | DC triggering: 1 – 15 ms, dynamic controller required AC triggering: 10 – 25 ms with direct triggering 500 ms for triggering via standard reactive power controller |
| Capacitors: | Low-loss multicond-UHPC power capacitors, MTK technology |
| Capacitor rated voltage: |
Urated = 525 V
|
| Discharge of capacitors: | Through EPL technology, no discharge time can be maintained during operation. Discharge inductors t < 180 s no discharge induction possible. |
| Filter circuit inductors: | Linear filter circuit inductors to avoid resonances in networks with harmonics, integrated temperature monitoring |
| Inductor factors: | p = 5.5, 7 or 8 % ; p = 12.5 or 14 % |
| Housing design: | Sheet steel cabinet, inside and outside painted in color RAL 7035 (other colors on request), module plates galvanized, door stop on the left (optionally on the right), energy supply below (above on request), protection class I |
| Protection type: | IP 20 (IP 54 on request), the components used correspond to DGUV rule 3 |
|
Ambient temperatures:
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+ 40 °C highest value, briefly + 35 °C in 24-hour average + 20 °C in annual average – 10 °C lowest value |
| Ventilation: |
Integrated ceiling ventilation, temperature-controlled
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| Fuse protection: | Group fusing with NH fuses and fuse bases (NH isolator on request) |
