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SVG Panel
Active Compensation Cabinets

Factory-assembled reactive power compensation cabinets built with Forte GRIDVAR modules. Available in three performance tiers — Standard (GRIDVAR-G), Compact (GRIDVAR-C) and Premium SiC (GRIDVAR-X) — each tailored to different load profiles and site requirements.

GRIDVAR-G Panel GRIDVAR-C Panel GRIDVAR-X Panel 220V – 690V Factory tested Turnkey delivery
Factory tested & commissioned
3 GRIDVAR module tiers
≤ 5 ms response time
Parallel cabinets for expansion
Integrated protection
Division 02 — Active Power Quality

Three GRIDVAR tiers,
one panel platform

Forte SVG Panels are factory-assembled, fully tested reactive power compensation cabinets — each built around one of three GRIDVAR module tiers. The panel platform is standardized: CT, main breaker, HMI, controller and all internal wiring are common. Only the active module changes — giving you the freedom to choose the right performance level for your application.

GRIDVAR-G Panel — Standard Series. Advanced IGBT, 220V–690V, 30–100 kVAr/module. The cost-effective workhorse for general industry.
GRIDVAR-C Panel — Compact Series. High-density IGBT, 400V, 35–100 kVAr/module. Ultra-slim 88mm drawers for maximum cabinet density.
GRIDVAR-X Panel — Premium SiC Series. Silicon Carbide, 220V–380V, 30–150 kVAr/module. 4µs response for arc furnaces and extreme loads.

All three panel types deliver stepless reactive power compensation and simultaneous harmonic filtering (SVG + AHF in one system). Multiple cabinets operate in parallel for higher capacity. Factory tested, shipped complete, ready for site connection and immediate commissioning.

GRIDVAR-G (Standard) GRIDVAR-C (Compact) GRIDVAR-X (SiC) 220V – 690V SVG + AHF simultaneous Factory FAT tested
View Specifications ↓
Forte SVG Panel — Front View
Forte SVG Panel — Internal View
Forte SVG Panel — Detail View
3
GRIDVAR module
tiers available
4 µs
Fastest response
(GRIDVAR-X SiC)
690V
Maximum voltage
(GRIDVAR-G)
IP54
Maximum enclosure
protection rating
Panel Comparison

Three Panel Tiers — Choose Your Module

All three panels share the same cabinet platform. The active module determines performance characteristics.

ParameterGRIDVAR-G PanelGRIDVAR-C PanelGRIDVAR-X Panel
SeriesStandardCompactPremium SiC
Switching technologyAdvanced IGBT, 3-LevelHigh-Density IGBT, 3-LevelSiC MOSFET, 3-Level
Operating voltage220V / 400V / 480V / 690V400V (±15%)220V – 380V
Module capacity30 · 50 · 75 · 100 kVAr35 · 50 · 75 · 100 kVAr30 · 50 · 100 · 150 kVAr
Response time≤ 50 µs / ≤ 5 ms total≤ 5 ms4 µs
Switching frequency25.6 kHz20 kHz> 100 kHz
System efficiency> 97.5%≥ 97.5%up to 98%
FunctionSVG + AHF simultaneousSVG (AHF separate)SVG + AHF simultaneous
Harmonic filtering2nd – 25th2nd – 51st2nd – 51st
Max. parallel modules20 modules20 modules10 modules
Operating temperature−20°C ~ +55°C−25°C ~ +55°C−25°C ~ +55°C
Best forGeneral industry, 690V plantsRetrofit, tight cabinet spacesArc furnaces, steel, critical loads
Common Specifications

Shared Panel Platform

These features are standard across all three SVG Panel types.

ParameterSpecification
ProductForte SVG Panel — Active Compensation Cabinet
Frequency50 / 60 Hz
Connection type3P3W and 3P4W
Power factor targetAdjustable −1 to 1 (cosφ = 1.00 achievable)
3-Phase balancingYes — active phase balancing
CommunicationModbus RTU + Ethernet + RS485
HMI7″ / 10″ touch screen LCD (standard)
Remote monitoringEthernet-based SCADA integration
ProtectionIntegrated main breaker, surge protection, thermal monitoring
Current transformersBuilt-in CTs (matched to cabinet capacity)
Enclosure ratingIP31 / IP42 / IP54 (configurable)
CoolingForced fan cooling with smart speed control
Parallel operationMultiple cabinets in parallel — linear capacity scaling
Factory testingFull FAT before shipment (load simulation, protection, comms)
StandardsIEC 61000-3-4 / IEC 61439-1
Key Features

Why Choose a Forte SVG Panel

A complete, factory-tested cabinet that eliminates on-site panel building — reducing project risk, installation time and total cost of ownership.

Factory Tested & Commissioned

Every SVG Panel undergoes full factory acceptance testing (FAT) before shipment — including load simulation, protection trip verification and communication checks. Arrive on site ready to energise.

GRIDVAR Modules Inside

Built around Forte's proven GRIDVAR active SVG modules — the same technology used in standalone installations worldwide. Each module is individually replaceable for fast on-site maintenance.

Integrated Protection

Main circuit breaker, surge arresters, thermal sensors and overcurrent protection are all factory-installed and tested. No additional protection engineering required on site.

Optional HMI Display

Optional touch screen HMI available in various sizes depending on module type. Real-time display of power factor, reactive power, voltage, current waveforms and system alarms for easy commissioning and operation.

Remote Monitoring

Ethernet and Modbus RTU interfaces enable SCADA integration and cloud-based monitoring dashboards. Track system performance, receive alarms and schedule maintenance remotely.

Parallel Cabinets for Expansion

Multiple SVG Panels operate in parallel with automatic load sharing. Start with the capacity you need today and add cabinets as your facility grows — no re-engineering of the existing installation.

Applications

Where SVG Panels Are Installed

From industrial substations to commercial buildings — wherever a turnkey reactive power compensation solution is required.

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Industrial Substations

Main LV busbar compensation for factories with multiple production lines and variable reactive demand.

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Manufacturing Plants

Centralised power factor correction for machining centres, presses and automated assembly lines.

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Commercial Buildings

Chiller plants, HVAC systems and lift motors. Compact cabinet fits standard electrical rooms.

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Water & Wastewater

Pumping stations with VFD-driven motors. Reactive compensation without capacitor resonance risk.

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Construction & Mining

Temporary and permanent installations for crusher drives, conveyor systems and processing plants.

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Textiles & Plastics

Rapidly cycling injection moulding and weaving machines with highly variable reactive demand profiles.

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Food & Beverage

Refrigeration compressors, mixing drives and packaging lines in temperature-controlled environments.

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Renewables

Solar and wind farm auxiliary systems requiring reactive support at the point of grid connection.

Need individual GRIDVAR modules instead of a complete cabinet? Or require harmonic filtering alongside reactive compensation?

Compare all active products

Ready to specify an SVG Panel for your project?

Our engineering team will size the correct cabinet capacity based on your facility's load profile and reactive demand — at no cost before commitment.

Request a Quote — SVG Panel

Our engineering team will contact you within 1 business day. Urgent: +90 850 840 64 24

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