Smart Power Quality Correct Device SPC
The Smart Power Quality Correction Device (SPC) delivers simultaneous, real-time balancing of three-phase currents while rapidly regulating reactive power and correcting low phase voltages.
- Product Introduction
The Smart Power Quality Correction Device (SPC) is primarily deployed on the demand side of low-voltage distribution networks to dynamically mitigate three-phase current unbalance, rectify low phase voltages, and provide precise reactive power compensation to optimize overall grid power quality.
The Smart Power Quality Correction Device (SPC) includes high-performance configurations tailored to various load demands: 30A/20kvar, 50A/35kvar, 75A/50kvar, and 150A/100kvar. These units deliver simultaneous, continuous, and real-time balancing of three-phase currents alongside rapid reactive power regulation.
By actively resolving unbalance issues across the distribution network, the Smart Power Quality Correction Device (SPC) significantly minimizes line losses, stabilizes phase voltages, and elevates overall power supply reliability. Furthermore, it eliminates single-phase overload conditions on distribution transformers-extending equipment operating lifespans, optimizing the reactive power balance, and maximizing the effective throughput capacity of the utility network.
Technical Parameter
Technical Parameter
| Item | Description | Specification |
| Electrical Specifications | Capacity | 20kVar, 35kVar, 50kVar, 75kVar, 100kVar |
| Voltage Level | 380V/400V | |
| Line System | 3-phase 4-wire / 3-phase 3-wire | |
| Frequency | 50±3Hz | |
| Efficiency | Up to 98% | |
| CT Ratio Range | 150:5～6000:5 | |
| Rated Current | 50A/75A/100A/150A | |
| Unbalance Compensation Rate | >95% | |
| Power Factor Correction | Adjustable from -1 to +1 | |
| Reactive Power Compensation Capacity | 35kVar/50kVar/75kVar/100kVar | |
| Full Response Time | 7ms | |
| Fundamental Reactive Compensation Rate | >99% | |
| Protection Functions | Overvoltage, Undervoltage, Short Circuit, Lightning Protection, Overcompensation, IGBT Overtemperature, etc. | |
| Communication Specifications | Communication Interface | RS485/CAN/GPRS |
| Communication Protocol | Modbus | |
| Transmitted Data | Voltage, Current, Power, Frequency, Temperature, Alarms, Parameter Settings | |
| Environmental Specifications | Storage Temperature | -45℃ to +70℃ |
| Operating Temperature | -45℃ to +55℃ | |
| Operating Altitude | <1500m, Above 1500m (Derate according to GB/T 3859.2) | |
| Protection Level | IP44 | |
| Mechanical Characteristics | Seismic Resistance | Grade 8 |
| Color | Stainless Steel Color | |
| Installation Method | Indoor/Outdoor Floor-mounted, Suspended | |
| Cooling Method | Intelligent Air Cooling | |
| Optional Accessories | Optional Items | Air Heater/GPRS |
Overall Dimension
Note: The specifications listed above represent standard configurations for reference. All parameters can be fully customized to meet specific customer requirements. Our company reserves the right to modify technical data and dimensions without prior notice.
Structure Size
| Installation mode | Bottom type | ||
| Size(mm) | 35KVar/50KVar | 75KVar | 100KVar |
| A | 790 | 845 | 855 |
| B | 720 | 775 | 785 |
| C | 865 | 935 | 1005 |
| D | 780 | 8550 | 920 |
| E | 378 | 378 | 398 |
| F | 345 | 345 | 365 |
| G | 275 | 275 | 295 |
| H | 690 | 745 | 755 |
| K | 190 | 190 | 190 |
Note: The parameters listed above represent typical values for reference purposes only and can be customized to meet specific customer requirements. Our company reserves the right to modify these specifications without prior notice.
Coordinated Clients & Partners
Our Smart Power Quality Correction Devices (SPC) are successfully deployed across major domestic and international utility networks, including:
State Grid, China Southern Power Grid, Siemens, Sinopec, PetroChina, China Huaneng, SDIC Power, China Huadian (CHD), China Guodian, China Three Gorges, China Resources Power, China National Nuclear Corporation (CNNC), ThyssenKrupp (TK), AUX, China Railway, China Railway Construction, China Mobile, LG, and Tianneng Group
Application
Key Application Scenarios
Industrial Motor Loads: Balance three-phase current to mitigate negative sequence currents, optimizing motor efficiency and extending equipment lifespan.
Commercial Buildings: Correct voltage unbalance to ensure the stable, seamless operation of sensitive electronic equipment and HVAC systems.
Data Centers: Optimize power quality and eliminate neutral currents to minimize energy losses and reduce the risk of downtime.
Power Distribution Networks: Enhance grid stability, improve voltage profiles, and significantly reduce transmission and distribution line losses.
Renewable Energy Integration: Smooth out fluctuations from intermittent wind and solar generation to ensure compliant, high-quality grid connections.
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