SVC
Static VAR Compensator

Thyristor-controlled reactor (TCR) + thyristor-switched capacitor (TSC) topology for heavy industrial loads, arc furnaces and wind farms. 1 kV to 69 kV direct connection, or 110 kV to 1000 kV via transformers. Up to 300 MVAr per branch. Up to 300 MVAr per branch. Designed, manufactured and commissioned by Forte.

1 – 1000 kV Up to 300 MVAr / branch ≤ 10 ms response TCR + TSC Flicker compensation Remote SCADA

Division 03 — Medium Voltage

Proven thyristor-based
MV compensation

The Forte SVC (Static VAR Compensator) delivers proven, industrial-grade medium and high voltage reactive power compensation. Combining thyristor-controlled reactors (TCR) with thyristor-switched capacitors (TSC), Forte SVC systems provide continuous, stepless reactive power control from 1 kV to 1000 kV.

Forte SVC systems are backed by TÜV, CE-LVD, ISO9001 and ISO14001 certifications, ensuring full compliance with international standards.

Every SVC system is custom-engineered to match the specific electrical characteristics and environmental conditions of the installation site, with full SCADA integration for remote monitoring and control.

1 kV – 1000 kV TCR + TSC ≤ 10 ms response Up to 300 MVAr / branch Remote SCADA

Broşür İndir

1000 kV

Maksimum gerilim
(via transformers)

300 MVAr

Per single TCR/TSC
branch capacity

≤10 ms

Full response
time

Teknik Özellikler

SVC — Full Specification

All parameters for Forte SVC systems. Every system is custom-designed to match site-specific requirements.

Parametre	Özellik
Product	Forte SVC — Static VAR Compensator
Topology	TCR (Thyristor Controlled Reactor) + TSC (Thyristor Switched Capacitor)
Grid voltage	1 ~ 69 kV direct, or 110 kV ~ 1000 kV via transformers
TCR/TSC capacity	Each single branch: 1 ~ 300 MVAr
Tepki süresi	≤ 10 ms
Regulating range	-100% ~ +100%
Regulating mode	Single-phase / Three-phase control
Frekans	50 / 60 Hz
Hedef güç faktörü	Adjustable, up to unity (cosφ ≈ 1.00)
Thyristor valves	Shelf structure, ETT & LTT types, easy replacement
Cooling — Valves	Heat pipe natural cooling or water cooling
Cooling — Reactors	Air-core reactors, twin winding, natural cooling (outdoor)
Control system	Fully programmable digital control system
Control modes (Industry)	Power factor control, VAR control, open loop + close loop
Control modes (Utility)	Constant voltage, susceptance control, gain supervision & optimization
Communication	SCADA, Modbus TCP/RTU, IEC 61850, DNP3
Life time	≥ 30 years
Installation	Indoor (control + valves) / Outdoor (reactors + capacitors)
Sertifikalar	TÜV, CE-LVD, ISO9001, ISO14001, OHSAS18001
Global installations	1,800+ sets across 30+ countries
Test facility	66 kV / 10,000 kVA full-load test center

System Architecture

Forte SVC Structure — Four Core Components

Every Forte SVC installation consists of four main subsystems working together to deliver continuous, stepless reactive power compensation.

A) Digital Control System

Fully programmable digital control cabinet — calculates real-time reactive power demand and controls thyristor triggering angles. Functions include reactive power control, single phase adjusting, self-diagnosis, real-time monitoring and communication. Response time ≤ 10 ms. Indoor installed.

B) Thyristor Valves

TCR / TSC valves in shelf structure for easy thyristor replacement. Both ETT (Electric Triggered) and LTT (Light Triggered) thyristors available. Heat pipe natural cooling or water cooling. Generates corresponding reactive compensation currents by adjusting thyristor triggering angle. Indoor installed.

C) Air-Core Reactors

Twin winding (TCR) air-core reactors with natural cooling. While current flows through the thyristor compensation reactor, the needed inductive reactive power is generated — balancing system reactive power and stabilizing bus bar voltage and power factor. Outdoor installed.

D) Capacitor Banks & Harmonic Filters

Used in harmonic filter branches, mechanically switched capacitor banks or TSC banks. Capacitor banks are often combined with damping/tuning reactors or resistors (high pass channels). Air-core reactor, double winding, natural cooling. Outdoor installed.

Thyristor Technology

Highly Reliable Thyristor Valves

Patented heat pipe cooling technology and advanced thyristor valve design ensure decades of maintenance-free operation.

SCR Series Converting

Based on large power SCR (thyristor) series converting technology. Single phase anti-parallel SCR series configuration. Thyristor valves can connect directly to 1 kV ~ 69 kV systems, or to 110 kV ~ 1000 kV via transformers.

ETT & LTT Thyristors

Both Electric Triggered Thyristors (ETT) and Light Triggered Thyristors (LTT) are available. LTT uses optical fiber for high-voltage isolation — eliminating electromagnetic interference and improving reliability in harsh environments.

Heat Pipe Cooling

Patented bi-directional, totally enclosed heat pipes absorb heat directly from thyristors. No movable parts — simple structure, maintenance-free and noise-free operation. Natural cooling without pumps or fans.

Water Cooling (Optional)

Compact, high-efficiency water cooling for larger thyristor valves. Two external cooling methods: water/water type with existing external water loops, or water/air type with extra cooling fans. Ideal for high-capacity installations.

Shelf Structure Design

Standard shelf structure enables easy and fast thyristor replacement during maintenance. Reasonable redundancy of SCR ensures stable running of SVC systems over their 30+ year operational life.

Full-Load Test Center

Forte operates a 66 kV / 10,000 kVA MV full-load test center — covering test voltages of 6 kV, 10 kV, 27.5 kV, 35 kV and 66 kV. 72-hour continuous test and commissioning for every SVC unit before delivery.

Turnkey Service

Complete Project Lifecycle

From initial load analysis to long-term remote monitoring — Forte delivers a fully integrated SVC solution.

System Study

Installation position confirmation, system research, site survey

System Design

SVC configuration, harmonic suppression, equipment capacity, loss & cost valuation

Control & Protection

C&P configuration, control function design, response time optimization

Manufacturing

SVC equipment & engineering design, factory production, full-load factory test

Installation

Installation supervision, commissioning, PAC (Provisional Acceptance Certificate)

After-Sales

Training, warranty, maintenance, system upgrade, remote monitoring, spare parts service

Temel Özellikler

What Makes SVC the Right Choice

Proven, reliable and field-tested — SVC technology delivers MV reactive power compensation where robustness and capacity matter most.

TCR + TSC Topology

Combines continuously variable TCR control with discrete TSC switching for seamless, stepless reactive power output across the full operating range.

Flicker Compensation

Purpose-built for flicker mitigation in arc furnace applications. Reduces voltage fluctuations below IEC 61000-3-7 limits to protect sensitive equipment and grid quality.

Voltage Regulation

Maintains busbar voltage within ±1% of setpoint under dynamic load conditions. Essential for arc furnace plants and industrial substations with variable loads.

Arc Furnace Suitable

Engineered for the extreme electrical environment of EAF steelmaking — rapid load swings, high harmonic content and severe voltage fluctuations.

1,800+ Global Installations

With over 1,800 installations across 30+ countries — from nuclear fusion facilities to steel plants across Turkey, Algeria, Vietnam, Thailand, India and Mexico — the Forte SVC platform is field-proven at the highest level.

Remote Monitoring & SCADA

Optional remote monitoring system sends real-time operating data to Forte's monitoring center. Full SCADA integration via IEC 61850, Modbus TCP/RTU and DNP3.

Uygulama Alanları

Where SVC Is Specified

SVC systems are deployed wherever large, dynamic MV loads require fast reactive power compensation and voltage stabilization.

⚡

Electric Arc Furnaces

The primary application for SVC. Flicker mitigation and voltage control for EAF steelmaking operations.

🏭

Rolling Mills

Large motor drives with rapid load cycling creating severe reactive power demand fluctuations at MV level.

☀

Wind Farms

Grid code compliance, voltage support and reactive power control for wind energy generation plants.

🔌

Utility Substations

Transmission voltage regulation and power factor correction at distribution and sub-transmission level.

⛏

Mining

Large draglines, shovels and processing equipment with highly variable MV reactive power demand.

🏯

Cement Plants

Ball mills, kiln drives and large fans operating at MV with significant reactive power requirements.

💧

Petrochemical

Large compressor and pump drives at medium voltage. Continuous process environments requiring stable supply.

🚈

Electric Railway / Subway

Single-phase traction power compensation, three-phase unbalance correction and power factor improvement for railway substations.

🌊

Long Distance Transmission

Voltage stabilization, transmission loss reduction and transient stability improvement for long-distance HV power lines.

❄

Ice Melting

High DC current-based ice melting for overhead transmission lines. SVC-based rectification melts ice and snow in cold climate regions.

Teklif Al — SVC

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SVCStatic VAR Compensator

Proven thyristor-basedMV compensation