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NC SPC Series

Smart Power Quality Correct Device

400V

35kvar-100kvar

Three-phase balancing

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Nancal Electric NC SPC Series

Smart Power Quality Correct Device

Based on SVG, NC SPC Series Smart Power Quality Correct Device (SPC) is specially designed to improve the power quality of the distribution network with the functions of three-phase unbalance compensation, rapid reactive power regulation, and system voltage stabilization.

Reactive Compensation

NC SPC detects load current through an external current transducer (CT) and analyzes the reactive component of load current by the DSP controller. Then it controls the IGBT inverter to generate reactive current and compensate load reactive current to meet the target of line power factor.

Three-phase Balancing

NC SPC detects the load current through an external current transducer (CT), analyzes whether the system is balanced or not, and also calculates the required SPC current, and sends the signal to the IGBT. Then the unbalanced current is transferred from the high-current phase to the low-current phase. Finally, the three-phase current is balanced at the source site.

Voltage Support

The NC SPC samples the voltage at the compensation point and sends the voltage signal to the DSP controller for comparison with the set value. When the voltage exceeds the Umax value, the NC SPC generates an inductive current to reduce the voltage. When the voltage is below the Umin value, the NC SPC outputs capacitive current to increase the voltage. Finally, the NC SPC stabilizes the voltage in the normal range.

3 Phase Unbalance Compenstation
Reactive Power Compensation
Harmonic
Compenstaion
High Protection
Suitable for Outdoors

Advantages

Multiple functions
High IP class
Remote monitor
Stable operation
Auto-reset and restart can be set

Features

After compensation, phase unbalance rate<3%
Power factor up to 0.99
Modular design, easy for installation and maintenance

Abundant Compensation Functions

3 phase unbalance< 3%
Voltage regulation
PF>0.99, efficiency>97.5%
Advanced System Performance

Safety protection mechanism
Fault self-diagnosis, self-recovery
Stable and reliable operation
Safety and Reliability

Advanced IGBT chip
Texas Instrument DSP chip, fast and reliable
Perfect protection
Flexible Application

Modular design
Small size&Expandable
Easy installation and maintenance
User-Friendly

Standard 7-inch colorized touchscreen
Graphic interface, displaying various parameters
Easy operation
Remote monitoring and control
Energy Saving

Low loss: automatic hibernation/awakening
Low noise: intelligent variable speed cooling fan

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