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High Voltage Direct Current (HVDC) systems enable utilities to move more power further, efficiently integrate renewables, interconnect grids, and improve network performance. HVDC systems utilize power electronics technology to convert AC and DC voltage and are ideal for supporting existing systems or building new power highways.

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GE Vernova provides solutions that offer grid operators the ability to provide reactive power support, enhance controllability, improve stability and increase power transfer capability of AC transmission systems.

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Innovations to Decarbonize the Electrical Grid. GRiDEA is our portfolio of decarbonization solutions that empower grid operators to address their net-zero objectives.

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GE Vernova offers a wide range of transformer solutions for the utility, industrial, commercial, residential and energy markets. These solutions feature flexible, reliable and robust designs to support a wide range of applications. With units operating in some of the most demanding electrical environments around the world, GE Vernova designs and delivers transformer solutions that provide among the highest level of performance and reliability to meet rigorous operating requirements.

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GE Vernova provides GIS solutions from 50 kV to 800 kV, along with secondary products to maximize switchgear and network operation. The portfolio includes a full range of SF6 GIS as well as g3 (SF6-free) GIS at 145 kV and 420 kV voltage levels for utilities and industries worldwide.

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GE Vernova is one of the top circuit breaker suppliers in the world. Our products include a range of live tank circuit breakers (up to 800 kV), dead tank circuit breakers (up to 550 kV), as well as hybrid and compact switchgear assemblies. We also provide solutions for power generation applications with our generator circuit breakers for installations up to 1,500 MW.

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GE Vernova is a global market leader for disconnectors (disconnect switches) since 1960, with 8 product facilities in 7 countries and hundreds of thousands installations in more than 130 countries around the world. The portfolio includes disconnectors for AC applications (up to 1,200 kV), for DC applications (up to 1,000 kV) and for railway applications. We also offer power connectors to connect two or more conductors for a continuous electrical path.

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GE Vernova is an industry leader in the design and manufacturing of high, medium and low voltage instrument transformers. With more than 100 years of experience, We offer a broad array of standard and high accuracy models for revenue metering and system protection applications. The portfolio of instrument transformers ranges from low voltage at 600 V suitable for industrial and high accuracy revenue metering, all the way up to high voltage at 1,200 kV. The portfolio also includes line traps and digital instrument transformers.

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For a century, utilities have relied on us to deliver electrical products and services to meet their quality, durability and performance needs. Our capacitor and reactor product lines are an integral part of our portfolio. We provide power capacitors that meet ANSI, IEEE and IEC standards, and our low voltage capacitors are UL listed. Ratings range from 1 kvar to 500 MVAR, and from 240 volts to 500 KV.

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GE Vernova provides a broad range of bushings and surge arresters to help protect electrical assets. The bushings portfolio includes AC and DC solutions that enable long life, high reliability and installation flexibility. GE’s Tranquell surge arresters are ideal for distribution and EHV applications up to 612kV, and are available as polymer and porcelain station and intermediate class IEEE/ANSI C62.11.

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Our SF₆-free switchgear range features the same ratings and same dimensional footprint as the state-of-the-art SF₆ equipment, with a drastically reduced carbon footprint.

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The collection of required asset condition data from the field on a large scale for GE Vernova and 3rd party electrical equipment is a key step in building a robust Asset Performance Management strategy. Grid Services specialists are constantly evaluating and implementing new innovative inspection technologies applying strict processes and methods. The digital inspections methods are designed to improve the efficiency of data collection, oil analysis and online monitoring. All new approaches to capture data are integrated into the EnergyAPM ecosystem for automatic data transfer.

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Energy costs are significant expenses for utilities and industries at large, particularly those that are energy-intensive or operate heavy machinery. Between 5% and 25%* of the expenses in these organizations are allocated to energy payments, with up to 15%** of this energy consumption being wasted during operations.

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GE Vernova offers a wide range of solutions to monitor and manage critical assets on the electrical grid, detect and diagnose issues and provide expert information and services to customers. Our asset monitoring and diagnostics portfolio includes solutions for single- and multi-gas transformer DGA, enhanced transformer solutions and switchgear monitoring, as well as software and services.

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GE Vernova's Grid Solutions business electrifies the world with advanced grid technologies and systems, enabling power transmission and distribution from the grid to homes, businesses, and industries effieciently and reliably.

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GridBeats™ is a portfolio of software-defined automation solutions for grid digitalization. The portfolio is designed to enable utilities and industrial customers to ensure a stable, efficient energy supply amidst the growing integration of renewable energy sources and aging infrastructure.

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GE Vernova's Critical Infrastructure Communications solutions deliver comprehensive networks that are designed to be secure, flexible, and tailored to meet customers' objectives and unique geographic requirements.

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GE Vernova's comprehensive portfolio of solutions for implementing and managing a substation.

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GE Vernova's Asset Lifecycle Management services combine a large set of methodologies to collect condition data off and online, consulting and asset optimization services using digital technology to improve the monitoring, recording and analysis of asset operations and predict asset behavior.

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GE’s innovative and high-quality services help maintain and optimize high-voltage electrical assets throughout their entire lifecycle. Leveraging the design and manufacturing knowledge of our engineers, the customized service solutions ensure substations and networks perform as planned. Experts deliver services for applications across the power system, keeping assets up-to-date, safe, reliable and efficient while improving customers’ return-on-investment.

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GE Vernova provides a full range of services & support tailored to meet a broad range of power system needs across utility and industrial applications. With deep domain knowledge and industry expertise GE’s service application engineers and technical specialists can help plan, design, operate, maintain, and modernize your protection, control, monitoring and automation systems.

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GE Vernova provides comprehensive services throughout the systems lifecycle. The services can be provided by our local team and with the support of our global Competence Centers when the equipment is installed, during the warranty period and beyond.

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Our technical experts are ready to equip customers with the knowledge needed to effectively manage their critical assets and systems, and increase their return on product investments. Our training courses are offered in a variety of ways, including online, onsite at customer locations, and in our state-of-the art training centers around the world.

GE Vernova provides a vast array of support and service offerings to help customers build, deploy, maintain and service their networks. Our highly skilled engineers and technicians provide front line support for customers across our product portfolio, including protection and control solutions, industrial communications networks, asset monitoring and diagnostics and software solutions.

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GE Vernova's Grid Solutions' Testing Laboratories enable manufacturers and end users to test their primary equipment by leveraging deep domain expertise and testing facilities, to develop enhanced high voltage products and certify their capabilities before market introductions.

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GE Vernova delivers materials and eco-design studies for high voltage solutions to accelerate insulation and environmental innovation. GE’s services provide the expertise and methods that enable new value to support customer engineering, sourcing, quality control and EHS activities.

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With the rapid digitalization of the grid, utility, power generation and industrial operators require cybersecurity solutions to monitor and protect grid asset and systems from increased severity and frequency of cyber attacks. GE Vernova adopted a “defense in depth” approach, providing innovative cybersecurity solutions designed to increase operational integrity, comply with regulations and control costs of security.

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Utilities today seek to create and connect new sources of power generation to meet growing global demand, while also managing grid reliability, costs and regulatory factors.

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Water is central not just to the economy, but to life. As a result, water treatment systems demand secure, dependable power to ensure process uptime. From the grid-connected substation to reliable electrical protection, control, and power quality metering, GE Vernova offers tailored solutions to keep critical plants operational and meet the unique needs of the water and wastewater industry.

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As power systems become increasingly interconnected and complex, utilities need solutions that optimize energy transmission and management while improving reliability.

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Data centers – and the information they store – are becoming increasingly integral to the way we live our lives every day. With rising demand also come rising costs. And more importantly, the information in these centers must remain secure while simultaneously accessible. We provide data centers with electrical infrastructure solutions from the input utility source to the IT server racks. This includes high-voltage switchgear and transformers, medium and low voltage electrical equipment, automatic transfer switches, switchboards, UPS systems, critical power PDUs, static transfer switches, and overhead busway. This chain of electrification products provides high quality and reliable products and services for the entire lifecycle of a data center.

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The oil and gas industry is evolving at a rate never seen before, facing shifting pricing levels, ever-changing regulatory requirements, and increased environmental consciousness. Through reliable, safe, and innovative solutions and a holistic service offering, GE Vernova can help the energy sector thrive in this changing reality.

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The industry is changing. Simultaneously, so are your utility’s needs. Operational effectiveness, power stability, and critical asset management are key priorities – whether in pulp and paper, steel, or data centers. GE’s holistic portfolio of products and services are designed with reliability, innovation, and sustainability at the forefront, helping you face the energy transition with ease.

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Mining companies require secure communications, efficient asset performance management, and dependable, innovative technology to protect their critical assets. GE Vernova offers a broad product portfolio to help you through each step of the mining process – safely and reliably.

 Home arrow Systems & Services arrow  FACTS arrow  Static Var Compensator Solutions

Static Var Compensator Solutions

Static Var Compensator Solutions

Increasing Grid Reliability

GE’s Static Var Compensator (SVC) solutions are a cost-effective and efficient means to provide dynamic voltage support and maintain the reliability and efficiency of power supply. These solutions are highly reliable, easy to integrate into both existing and new infrastructures, and reduce the investment  required for building new network extensions.

GE provides a broad range of SVC configurations with two types of SVC design, classic and patented Main Reactor, and every solution is customized based on the utility’s technical and economic requirements.

GE advantage Classic SVC Main reactor SVC Advanced digital control Advanced thyristor valve GE experience
GE Advantage

GE’s SVC solutions are customized based on the utility’s technical and economic requirements for their network such as fault level and load parameters. GE provides an extensive services portfolio comprised of feasibility and network studies, project management, engineering capabilities, equipment, installation services and long term maintenance contracts, delivering an integrated and robust system that provides utilities with the following competitive advantages.

Model Based Design Control ensures optimal and accurate performance of the SVC by direct deployment into the system software
Classic SVC and GE’s patented Main Reactor SVC provides more design flexibility to ensure optimized system performance
Manufacturing excellence and deep domain technical expertise providing full system lifecycle support resulting in simplified and streamlined commercial offerings
Example of a classic SVC design
GE’s Classic SVC Design
100/+200Mvar classic SVC design
-100/+200Mvar classic SVC design

GE’s Classic SVC design is customized based on the utilities key requirements for system performance. Every system is tested extensively during factory acceptance testing and site commissioning to ensure guaranteed performance.

Main components of the system include:
  • SVC transformers
  • Thyristor Controlled Reactors (TCR)
  • Thyristor Switched Capacitors (TSC)
  • Harmonic Filters
  • Advanced Thyristor Valve (ATV)
  • Advanced Digital Control (ADC)
  • Protection and Auxiliary systems
  • Thyristor valve cooling system
System ratings include:
  • Typical utility voltage levels: approx. 69 < kV < 800
  • Typical utility overall ratings: approx. 40 < Mvar <1,200
Example of a classic SVC design
Example of a classic SVC design
GE’s Patented Main Reactor SVC Design
-100/+200Mvar Main Reactor design, with smaller footprint
-100/+200Mvar Main Reactor design, with smaller footprint

GE’s patented Main Reactor SVC design is customized based on the utility’s key requirements for system performance. Every system is tested extensively during factory acceptance testing and site commissioning to ensure guaranteed performance.

Traditionally, the SVC medium voltage bus is connected directly to the SVC coupling transformer, but with the main reactor configuration there is a reactor connected between SVC bus and coupling transformer.

The Main Reactor concept efficiently isolates harmonics, even in demanding network conditions. This design requires fewer harmonic filters enabling a compact, optimized SVC layout.

The Main Reactor has many other inherent benefits for improved harmonics, simpler design and cost savings, including:
Main components of the system include:
  • SVC Transformers
  • Thyristor Controlled Reactors (TCR)
  • Main Reactor
  • Harmonic filters
  • Advanced Thyristor Valve (ATV)
  • Advanced Digital Control (ADC)
  • Protection and Auxiliary systems
  • Thyristor valve cooling system
Example of a Main Reactor SVC design
Example of a Main Reactor SVC design
Model based design system
Advanced Digital Control platform for SVC systems
GE’s Advanced Digital Control for SVC Systems

GE’s approach to SVC Control System represents the latest in design methodology by utilizing a powerful Model Based Design approach. With this approach the SVC Control System software is built using a core library of complex control algorithms that represents over 50 years of FACTS experience within GE. Model Based Design utilizes a graphical interface for the design stage and translation of control models with automatic code generation for all testing and verification stages. With this approach, GE has enhanced the quality, reliability, and maintainability of the Advanced Digital Control system for SVCs.

Model Based Design Advantages
GE's advanced thyristor valve
GE's Advanced Thyristor Valve
Thyristor Controlled Reactor and Thyristor Switched Capacitors

Thyristor valves are used for controlling reactive power in Static Var Compensators. Thyristor Controlled Reactor (TCR) valves are used to control the effective fundamental frequency current in the reactors by controlling the conducting ratio through varying the firing angle of the thyristors. Thyristor Switched Capacitors (TSC) bank valves are used for switching capacitor banks on or off according to the reactive power demand on a time scale of several periods or more.

Advanced Thyristor Valve for SVC Systems

The Advanced Thyristor Valve (ATV) is GE’s latest range of liquid-cooled thyristor valves for Static Var Compensator applications. These thyristor valves have been developed by drawing on GE’s extensive experience of more than 50 years of applying thyristor based SVCs both for transmission and industrial applications. The ATV provides a very compact, versatile and standardized platform for both TCR and TSC variants.

GE Experience

GE has designed, delivered and supports over 380 Static Var Compensator Systems globally in a broad range of applications and environments. The below details are a selected representation of recent projects, a complete reference list is available upon request.

Static Var Compensator Systems Selected Projects
Customer References
  1. Location: West Wharton, NJ, USA
    Rating: -260/+40 Mvar, 230 kV
  2. Location: St-Marc-de-Figuery, Canada
    Rating: -100/+300 Mvar, 315 kV
  3. Location: Alberta, Canada
    Rating: -100/+200 Mvar, 240 kV
  4. Location: Alaska, USA
    Rating: Refurbishment of 3 SVCs - (-22 to +22 Mvar) - Wasilla,
    AK-(-5 to +33 Mvar) - Fairbanks, AK-(-33 to +22 Mvar) - Healy, AK
  5. Location: Roanoke, VA, USA
    Rating: -45/+165 Mvar, 34.5kV (138 kV)
  6. Location: Pasqua, Saskatchewan, Canada
    Rating: -40/+150 Mvar in 2x(-20/+75) Mvar, 138 kV
  7. Location: State of Victoria, Australia
    Rating: -26/+49 Mvar, 220 kV
  8. Location: Veracruz, Mexico
    Rating: -60/+180 to 0/+240 Mvar, 34.5 kV
  9. Location: Mexicali, Mexico
    Rating: -75/+200 Mvar, 230 kV
  10. Location: Brazil
    Rating: -200 / +300 Mvar, 500 kV
  11. Location: Brazil
    Rating: -75 / +150 Mvar, 230 kV
  1. Location: Brazil
    Rating: -75 / +150 Mvar, 230 kV
  2. Location: Peru
    Rating: ±15 Mvar, 138 kV
  3. Location: Imbirussu, Brazil
    Rating: ±100 Mvar, 230 kV
  4. Location: Scotland, UK
    1st Installation of GE’s patented Main Reactor design
    Rating: -150 / +150 Mvar, 275 kV
  5. Location: Quway’iyah, Saudi Arabia
    Rating: +170 /-50 Mvar SVC
  6. Location: Saudi Arabia
    Rating: +300/-150 Mvar SVC and expansion of 110kV GIS at 380kV BSP and two 110kV, 100Mvar bus connected shunt capacitors at 380kV BSP
  7. Location: La Merlatiere and Domloup, France
    Patented Main Reactor Design
    Rating: ±250 Mvar at 225 kV
  8. Location: Kangasala, Finland
    Rating: -200/+240 Mvar, 400 kV
  9. Location: Albany, New Zealand
    Rating: ±100 Mvar, 220 kV