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Static Var

Compensators

Quality Power, along with Endoks Energy systems (Turkey) undertakes complete turnkey solutions on Static Var Compensation.

Static Var Compensators (SVCs) are devices that can quickly and reliably control line voltages. SVC systems are reactive power compensation and harmonic filtering systems developed to minimize the disturbing effects caused by fast varying reactive power, voltage variations, and harmonics in electric Transmission or distribution system and industrial plants.

Switching events, faults, non-linear loads (power semiconductor based systems) and, fast variation of active/reactive power demand from grid may lead to disturbing effects on power system. SVC systems are implemented with specific circuit elements taking into consideration load characteristics and supply conditions.

Application Field:
SVC systems are installed to fulfill the following technical requirements:

  • Dynamic reactive power compensation
  • Flicker reduction
  • Load balancing
  • Harmonics mitigation
  • Dynamic voltage regulation
  • Increasing system stability

SVC installations reap high
economic benefits, such as:

  • Distribution systems feeding disturbing loads such as electric arc/ladle furnaces (EAF/LF) and rolling mills
  • Point of common coupling (PCC) of renewable energy sources to transmission-distribution system
  • Distribution systems feeding railway lines
  • Transformer substations feeding critical loads
  • Transmission lines

Economic Benefits to Grids:

  • Increase in energy efficiency
  • Increase in quality of supplied energy of distribution companies
  • Decrease in active power losses due to reactive power flow
  • Increase in capacity of transmission and distribution systems

Economic Benefits for Iron and Steel Industry:

  • Reduction in tap-to-tap time
  • Increased transferred active power and production
  • Stable operation by voltage regulation
  • Decreased electrode consumption
  • Increased furnace lifetime

SVC System Components:

  • SVC control & protection system
  • Thyristor Stacks
  • Water Cooling System
  • Shunt Reactor (TCR)
  • Transformer (TCT)
  • Harmonic Filter Reactors
  • Capacitor Banks
  • Other equipments such as Power transformer, MV switchgear, Measurement/Protection Transformers, Protection relays, Remote monitoring & control systems.

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