Active Harmonic Filter (AHF), SVG and SCADA Systems

AHF, SVG and SCADA

AUTOMATION SYSTEMS

Real-Time Protection and Smart Filtering for Power Quality

Active Harmonic Filter (AHF) systems are smart, dynamic filtering solutions that detect the harmonic distortion caused by non-linear loads in real time and suppress it by injecting an opposing current.

Using advanced digital signal processing (DSP) and real-time control algorithms, Enersolix AHF solutions effectively remove harmonic pollution from the network. They lower THD, reduce heating in transformers and cables, extend equipment life and improve power quality.

Why an Active Harmonic Filter?

While conventional passive filters can only act on specific frequencies, active filters continuously analyse the changing harmonic profile and cancel it instantly. The system therefore delivers clean power at all times, even when the load profile changes.

Technical Specifications (Example):

Voltage level: 400 V / 440 V / 525 V
Rating range: 30 A – 600 A / modular design
Frequency: 50/60 Hz
Compliance: IEEE 519, IEC 61000-4-7
Harmonic suppression: 2nd – 50th harmonic
System type: 3-wire / 4-wire (including neutral current suppression)
Monitoring: Large-screen HMI / RS485 / Modbus RTU
Cooling: Fan-cooled, temperature controlled

Applications:

Data centres
Hospitals
Uninterruptible power supply (UPS) systems
Motor systems with variable speed drives
Automation lines and CNC machines
Critical energy infrastructure and substations

Enersolix AHF Advantages:

Real-time harmonic analysis and automatic correction
Reduces THD (total harmonic distortion)
Improves power quality and extends equipment life
Clears the neutral of unbalanced load currents (4-wire systems)
Easy expansion thanks to modular design

Enersolix active filter solutions combine advanced technology with power quality and ensure your plant complies with grid standards.

Active Harmonic Filter (AHF) Systems

Static VAR Generators (SVG) are high-speed power electronics solutions that respond to reactive power demand within milliseconds, especially where inductive or capacitive loads change rapidly.

Enersolix SVG systems are based entirely on IGBT inverter technology.
Unlike conventional capacitor-based compensation, they detect sudden load changes instantly and dynamically generate or absorb reactive power as the system requires.

How Does It Work?

SVG systems continuously monitor the network's instantaneous power factor, voltage and current angle. As required, they

supply capacitive power when the load is inductive,
behave inductively when the load is capacitive,

and do all of this with an IGBT-controlled inverter, without mechanical contacts, silently and free of vibration.

Applications:

CNC machining lines
High-speed automation systems
Data centres and metro substations
Arc furnaces and steel plants
Wind and solar power systems
Networks with unbalanced inductive/capacitive loads

Technical Specifications (Example):

Voltage level: 400 V / 690 V (LV); 6 kV / 10 kV (for MV applications)
Response time: <15 ms
Power range: 30 kVAr – 2000 kVAr (expandable, modular design)
Technology: IGBT-based inverter
Compliance: IEEE 519, IEC 61000-4-7, IEC 62589
Cooling: Fan or liquid cooled
Monitoring: HMI panel / Modbus / Ethernet / SCADA integration

Advantages:

Real-time, precise compensation
No risk of resonance
Stable operation even under overload
High performance with sudden load changes
Compact, modular and maintenance-free
Fully compatible with SCADA and energy monitoring systems

Enersolix SVG solutions go beyond conventional compensation, making your entire power system smart, flexible and resilient.

SVG – Static VAR Generators

SCADA (Supervisory Control and Data Acquisition) automation systems are smart solutions for real-time monitoring, analysis and remote control of energy infrastructure.

Enersolix SCADA solutions integrate fully with compensation systems as well as MV and LV panels, energy analysers, power factor controllers, active filters, inverter systems and field devices.

Energy consumption, voltage, current, power factor, harmonic levels, step status and alarms can be monitored in detail; operators can intervene instantly, receive early warnings before failures and build a decision support system for power quality.

What Does It Offer?

Monitoring and control of the entire system from a single point
Graphical display of real-time measurements
Trend analysis and reporting from logged data
Remote switching, step activation and filter activation
Alarm management, fault detection and historical alarm archive
Reactive power analysis and harmonic tracking for energy efficiency
Access from mobile, tablet and web browsers

Technical Specifications:

Protocols: Modbus RTU / TCP – IEC 60870-5-104 – OPC
Device integration: power factor controller, analyser, active filter, SVG, contactor, AHF, etc.
Interface: web-based dashboard / user-based access rights
Data logging: SQL database – CSV – PDF
Alerts: SMS / e-mail / alarm window
Expandability: new devices can be added, multi-site support
Security: SSL, user-based login, remote backup

Applications:

Industrial energy infrastructure
Energy management systems
MV and LV substations
Central control of compensation systems
Solar and wind plant monitoring systems
Data centres, shopping centres and campuses

Why Enersolix SCADA?

Comprehensive energy data monitoring and reporting
Full integration and synchronisation between devices
Instant alarms and predictive maintenance support
Time and cost savings through remote control
Custom-designed SCADA screens
Modular, expandable design compatible with central management

Enersolix SCADA solutions don't just control your energy infrastructure; they make it data-driven, measurable and sustainable.
Stay in control of your system at all times, know about reactive power penalties before they happen, and turn energy losses into data you can act on.

SCADA-Based Automation and Control Systems

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