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Automatic Power Factor Correction (APFCR) Panel

Power Factor Optimization & Penalty Elimination

Automatic Power Factor Correction Panels for improved power factor, reduced losses & energy efficiency.

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Automatic Power Factor Correction (APFCR) Panel
Standard Rating: 50 kVAR to 2000 kVAR
Compliance: IEC 61439-1/2

Engineering Overview

SYNEX Automation APFCR Panels actively monitor reactive power demand and dynamically switch heavy-duty capacitor banks into the system to maintain a near-unity power factor (0.99 PF). Equipped with microprocessor controllers, detuned copper/aluminium harmonic reactors, and thyristor/contactor switching, our APFCR panels eliminate DISCOM low power factor penalties and slash system kVA demand charges.

Key Salient Features

Smart Microprocessor APFC Controller (8, 12, 14, 16 stage) with auto/manual step hunting algorithms
Detuned 7% / 14% harmonic filter reactors to prevent series resonance and capacitor burnout
Heavy-duty MPP / Gas-filled / Oil-filled Capacitors rated for high voltage spikes (480V / 525V)
Thyristor switching modules (Zero-Cross switching) for ultra-fast response on fluctuating loads (welding, cranes)
Specialized capacitor duty contactors with damping resistors to handle severe inrush currents
Integrated over-temperature monitoring with automated multi-stage cooling fan triggers
Real-time display of active kW, reactive kVAR, apparent kVA, voltage, current THD, and power factor

Technical Specifications

Compensation Capacity 50 kVAR to 2000 kVAR (Standard & Detuned)
Rated System Voltage 415V AC (Capacitors rated at 440V / 480V / 525V)
Tuning Frequencies 189Hz (7%), 134Hz (14%) for 5th, 7th, 11th harmonic suppression
Target Power Factor 0.99 Lag to Unity
Switching Method Capacitor-Duty Contactors or Solid-State Thyristor Switches (<20ms response)
Controller Type Digital Microprocessor with Cos Phi & VAR control modes
Enclosure Rating IP42 / IP52 / IP54
Temperature Rise Low loss design with thermal trip interlocks

Verified Component Makes Integrated

We integrate only genuine, brand-certified switchgear components to ensure maximum MTBF (Mean Time Between Failures) and global warranty coverage.

Schneider Electric (VarPlus) Siemens (Epcos / TDK) ABB L&T L&T / Ducati Energia Neptune Bals

Industrial Applications

Manufacturing Facilities with Inductive Motor Loads
Foundries, Induction Furnaces & Welding Shops
Commercial Buildings, Hospitals & Shopping Malls
Textile Spinning Mills & Injection Molding Units
Cold Storage & Refrigeration Plants

Frequently Asked Questions

In modern industrial plants with non-linear loads (VFDs, UPS, LED drivers), capacitors can create a parallel resonance that amplifies harmonic currents, leading to capacitor explosion or breaker tripping. Detuned reactors tune the capacitor bank below the lowest harmonic frequency (e.g., 189Hz for 5th harmonic), protecting the installation.

Thyristor switching is essential for rapid, highly dynamic loads (such as automotive spot welding, cranes, lifts, or stamping presses) where load fluctuates every few seconds. Contactor switching has a discharge safety delay of 30-60 seconds, whereas thyristors react in less than 20 milliseconds.
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Other LT Panel Solutions
IEC STANDARDS
IEC 61439-1/2 Compliance
SAFE & RELIABLE
Form 3b/4b Segregation
PREMIUM SWITCHGEAR
Schneider, Siemens, ABB, L&T
100% FAT TESTED
High Voltage & Megger Lab
Authorized Makes:
Schneider Electric Siemens ABB Larsen & Toubro (L&T) Socomec
Custom Built Industrial Engineering

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Call +91 79889-17376