Low Voltage Shunt Reactors
Superior Reliability
Reduce power losses
Improve power factor
Energy Efficient Operation
Compensate for capacitive effects
Low Voltage Shunt Reactors
Low Voltage Shunt Reactors are inductive devices connected in parallel (shunt) to electrical power systems operating at low voltage levels (typically below 1 kV). They are designed to absorb reactive power (VARs) to regulate voltage stability, mitigate voltage rise, and improve power quality in low-voltage networks.
Key Functions:
Reactive Power Compensation: Offset capacitive reactive power generated by lightly loaded cables or long transmission lines, preventing overvoltage.
Voltage Stabilization: Maintain system voltage within acceptable limits by compensating for leading power factors.
Harmonic Filtering (in some designs): Reduce harmonic distortions when combined with filtering configurations.
Advantages:
Enhances grid efficiency by reducing reactive power flow.
Minimizes equipment stress and prolongs asset lifespan.
Cost-effective solution for localized voltage control.
Applications of Low Voltage Shunt Reactors
1. Industrial Applications
Motor Drives & VFDs: Reduce harmonic distortion and protect sensitive equipment.
UPS & Data Centers: Enhances power quality and prevents voltage fluctuations.
2. Power Distribution Systems
Reactive Power Compensation: Improves power factor by absorbing excess reactive power in low-voltage grids.
Voltage Regulation: Helps stabilize voltage levels in distribution networks.
3. Renewable Energy Systems
Solar/Wind Farms: Compensate for reactive power in inverter-based systems.
Energy Storage Systems (ESS): Maintains grid stability in low voltage connections.
4. Commercial & Infrastructure
Shopping Malls, Hospitals, and Airports: Ensures a stable power supply and reduces energy losses.
Railway & Metro Systems: Supports traction power supply with reactive power management.
Low Voltage Shunt Reactors Technical Specifications
|
Parameter |
Specification |
Unit |
Remarks |
|
Rated Voltage |
400, 480, 600, 690, etc. |
V (Volts) |
Depends on the system voltage level |
|
Frequency |
50 / 60 |
Hz |
Standard power frequency |
|
Rated Reactive Power |
10 – 500 |
kVAr |
Customizable based on need |
|
Insulation Class |
Class A (105°C), Class B (130°C), Class F (155°C) |
- |
Dry-type common; oil-immersed optional |
|
Cooling Method |
AN (Air Natural) / AF (Air Forced) |
- |
Dry-type typically AN |
|
Tolerance (Reactive Power) |
±5% to ±10% |
- |
Per IEC 60076-6 |
|
Temperature Rise |
≤80°C (winding, by resistance) |
°C |
For dry-type reactors |
|
Sound Level |
≤50 – 65 |
dB |
Depends on the design and cooling |
|
Connection Type |
Star (Y) or Delta (Δ) |
- |
Configurable based on the system |
|
Protection Class |
IP00 to IP54 |
- |
Indoor/outdoor applications |
|
Short-Circuit Withstand |
Typically, 2–3 sec rated current |
- |
Based on system requirements |
|
Harmonic Distortion |
THD <2% (for filter reactors) |
% |
If used for harmonic mitigation |
|
Standards Compliance |
IEC 60076-6, IEEE C57.21, EN 61558 |
- |
Industry standards |
Why Choose LTEC's Low Voltage Shunt Reactors?
LTEC – Powering Your Systems with Innovation!
High Efficiency & Energy Savings
Low Core Loss Design – Optimized magnetic circuits (e.g., high-grade silicon steel) minimize eddy current & hysteresis losses.
Reduces Reactive Power Burden – Improves power factor (up to 0.95+) and cuts energy waste in LV networks
Superior Power Quality & Protection
Harmonic Suppression – Limits THD (Total Harmonic Distortion) to protect sensitive electronics.
Voltage Stabilization – Prevents overvoltage in capacitor banks and long cable networks.
Robust & Long-Lasting Construction
Thermal Resilience – High-temperature insulation (Class F/H) for stable operation under heavy loads.
Vibration & Noise Reduction – Advanced coil impregnation and mechanical damping for quiet, low-maintenance use.
Safety & Compliance
Overcurrent & Short-Circuit Protection – Withstands 200% overload for 10+ seconds (IEC 60076).
Global Certifications – Complies with IEC, IEEE, UL, and other industry standards.
Customizable Solutions
Overcurrent & Short-Circuit Protection – Withstands 200% overload for 10+ seconds (IEC 60076).
Global Certifications – Complies with IEC, IEEE, UL, and other industry standards.
Global Reliability
Trusted by utilities, OEMs, and industries in 60+ countries.
Technical support and extended warranty options.
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