Advanced Static Var Generator, 50 kVAr
Selec ASVG-050 Advanced Static Var Generator | 50 kVAR | Wall/Rack Mount
Real-time, stepless reactive power compensation system with <50 μs response, harmonic mitigation up to 15th order, and modular expansion up to 8 units for industrial power quality improvement.
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The Selec ASVG-050 Advanced Static Var Generator (50 kVAR) is a high-performance power quality solution designed for real-time reactive power compensation, harmonic mitigation, and load balancing. With ultra-fast response (<50 μs), stepless compensation, and harmonic correction up to the 15th order, it ensures superior power factor and voltage stability in industrial electrical systems.
KEY FEATURES
Real-time, dynamic, stepless compensation
50 μs ultra-fast response; full correction in <1 cycle
Handles both capacitive (leading) & inductive (lagging) reactive loads
Harmonic correction up to 15th order
RS485 communication (Modbus-RTU); Wi-Fi/Ethernet optional
Parallel operation up to 8 modules (modular installation)
Compatible with conventional capacitor banks
User-configurable CT ratio up to 10000/5A via HMI
70A RMS rated current capability
Highly efficient: >97% power efficiency, >98% compensation efficiency
Designed for 3P3W/3P4W grid systems
TECHNICAL SPECIFICATIONS
Electrical Parameters
| Parameter | Specification |
|---|---|
| Rated Capacity | 50 kVAR |
| Line-to-Line Voltage | 308–450V AC |
| Operating Voltage (P-N) | 178–262V AC |
| Frequency | 50/60 Hz ±2.5 Hz |
| Power Efficiency | >97% |
| Compensation Efficiency | >98% |
| Grid Structure | 3P3W / 3P4W |
| Rated RMS Current | 70A |
| CT Ratio | Settable up to 10000/5A |
| CT Location | Load side (default) / Grid side |
| Income Protection | External MCCB/ACB mandatory |
Performance Parameters
| Parameter | Specification |
|---|---|
| Response Time | <50 μs; full response <1 cycle |
| Overall Response | < 5 ms |
| Harmonic Mitigation | Up to 15th order |
| Harmonic Current Rating | 35A |
| Target Power Factor | Adjustable from –1 to +1 |
| Operating Modes | Power Factor Correction, Harmonic Mitigation, Load Balancing |
Environment Parameters
| Parameter | Specification |
|---|---|
| Operating Temperature | –10°C to +45°C |
| Humidity | 95% RH non-condensing |
| Altitude | <2000 m |
| Protection Class | IP20 |
Mechanical Details
| Parameter | Specification |
|---|---|
| Mounting | Wall/Rack |
| Dimensions (W×D×H) | 470 × 240 × 670 mm |
| Color | RAL7035 |
Communication
| Parameter | Specification |
|---|---|
| Port | RS485 (default) |
| Protocol | Modbus-RTU (default), Modbus TCP/IP optional |
| Optional Interfaces | Ethernet, Wi-Fi |
| Local Monitoring | 4.3” HMI Display |
Protections
Over-current
Over-voltage
Over-temperature
IGBT saturation
CT detection fault
DC bus protection
Surge
EEPROM fault
APPLICATIONS
Industrial plants—motors, compressors, large loads
Power factor and demand management
Harmonic mitigation in distorted networks
Commercial buildings and malls
Data centers & IT parks
OEM power quality panels
Renewable energy plants (solar/wind)
WHAT’S IN THE BOX?
Selec ASVG-050 Static Var Generator Unit
HMI interface (on applicable model)
Mounting hardware
User manual and configuration guide
FAQ
Q1. Does the ASVG-050 support harmonic mitigation?
Yes, up to the 15th-order harmonics.
Q2. How fast is the compensation response?
It responds in <50 μs, completing correction in under a cycle.
Q3. Can multiple units be paralleled?
Yes, up to 8 modules can operate in parallel.
Q4. Does it work with existing PFC capacitor banks?
Yes, it is fully compatible.
Q5. What communication options are available?
RS485 Modbus-RTU (default) and optional Ethernet/Wi-Fi.
Q6. What grid systems are supported?
3P3W and 3P4W.