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Installation for power factor compensation
It compensates the reactive electrical energy used by the inductive receivers in order to produce a coso>0,92.
Functions
- Connection and disconnection of adjustment steps in manual or automatic mode
- Short-circuit protection for adjustment steps made of safety fuses
Technical features:
| Rated reactive power |
25 ÷ 400kVAr |
| Adjustment step number |
3 ÷ 12 steps |
| Rated power |
400/230 V a.c. |
| Rated insulation voltage |
690 V a.c. |
| Rated frequency |
50Hz |
| Protection standard |
IP 30 (indoor)
IP 54 (outdoor) |
Component parts
- Metallic box or metallic cabinet AlfaSystem that provides the IP 30 protection standard (for the indoor variant), respectively the IP 54 protection standard (for the outdoor variant)
- Three-phase contactors for capacitive load with current limiting resistors
- Three-phase reactive capacitors with discharging resistors
- Automatic regulator for reactive power
- Short-circuit protection unit
- Ventilation system (outdoor variant)
- Thermostat circuit (outdoor variant)
- Automatic main breaker (optional)
- Indoor electric circuits made of insulated copper conductors
- Pressure gaskets for input/output supplying cables
Operating conditions:
| Erection location |
Indoor/outdoor |
| Climate group |
WDr/CT (moderate climate: hot dry / cold temperate) |
| Environment ambient temperature range during operation |
-25 ÷ 40°C |
| Environment ambient temperature range during transportation, storing and erection |
-40 ÷ 50°C |
| Average ambient temperature in 24 hours |
35°C |
| Air relative humidity |
Max. 100% at 25°C |
| Maximum altitude |
2000 m |
| Pollution degree |
3 |
| Over-voltage category |
Category III |
| Electro-magnetic mediums |
Environment A |
| Life span |
25 years |
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Other information:
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