33kv statcom

300kvar power factor correcton Panel with static var generator

IGBT controled power factor correction panel based on Static var generator SVG is the new standard in reactive energy compensation. This power electronic current source is the accurate and highly reliable solution for today’s networks characterised by significant increase in harmonics, voltage variations caused by intermittent renewable sources connected to the network and voltage level due to the smart grid development. The DSP controlled IGBT topology enables a perfect compensation on each phase for both inductive and capacitive loads. It also correct phase unbalance where necessary. Immune to harmonics, resonance and voltage level, it offers a maintenance free solution reusable in any network configuration.

  • Brand:

    ZDDQ
  • item no.:

    ZD-SVG
  • Payment:

    T/T
  • product origin:

    China
  • Color:

    White
  • shipping port:

    Shanghai/Nanjing
  • Lead Time:

    20days after payment
  • Product Detail

APFC with Static Var Generator Overview

Static var generator (SVG) for Dynamic power factor correction(PFC) panel,  is based on voltage type inverter principle, uses the isolated gate binary transistor (IGBT4) to control the value and phase of AC voltage of inverter, so as to serve the purpose of reactive and harmonic compensation. As the switching frequency of IGBT is very high (dozens of kHz), SVG can realize fast compensation for reactive load, and achieve very high compensation precision. 


Static Var Generator is currently the best solution in dynamic power factor correction filed. Compared with the traditional SVC represented by TSC, the regulation speed of SVG is faster (the response speed is within 5ms), its compensation precision is high (the power factor after compensation is over 0.99), the compensation method is flexible (SVG can compensate both inductive reactive power and capacitive reactive power), and SVG also has the function of active filtration of harmonic current.

static var generator modular
low voltage static var generator
Wall-mounted SVG  Rack type SVG Panel


SVG Technical Specification

Rated Voltage        400Vac PFC Panel with Static Var Generator
Electric Connection   3P3W/3P4W
Rated Frequency     50Hz (60Hz) +/- 10%
Rated Current per Module 30Kvar,50Kvar, 75Kvar, 100kvar,150kvar
Rated Current per Cabinet  30~600Kvar (module combination)
Compensation Mode Compensate Harmonics, Reactive Power, Phase imbalance
Reactive Power Compensation Performance Cosφ≥0.99 after compensation (if the SVG capacity is sufficient)
Reactive Power Compensation Capability  Both inductive and capacitive reactive power compensation
Harmonic Filtering Performance Filter up to 98% harmonics at rated load
Imbalance Correction Capability  Mitigate negative and zero sequence
Full Response time  <5ms
Thermal Loss  ≤3% of SVG rated capacity (kVA)
Parallel Expansion(System) Up to 10 Racks(4 modules per cabinet)
Communication     Modbus Protocol, RS232/485
Controller           DSP IGBT FPGA control

Email us hanson@chinazddq.com,or click Static Var Generator Datasheet to download details.


How SVG Works?

Static Var Generator is a power electronics-based device connected in parallel with the load that requires harmonics mitigation. SVG works as a controlled current source providing any kind of current waveform in real time.

When the load generates inductive or capacitive current, it makes load current lagging or leading the voltage. An SVG detects the pase angle difference and injects in real time leading or lagging current into the electric power systems, making the phase angle of the current almost the same as that of the voltage, bringing fundamental power factor to unity. 

how svg wokr

Benefits of SVG PFC panel

Multifunctional: Reactive power and imbalance compensation

Excellent reactive compensation: High speed, Precise (-0.99≤Cosφ≤0.99), Step-less, Bi-directional (capacitive and inductance) compensation

Excellent imbalance correction: Both negative and zero sequence, mitigates neutral current

Wide input voltage & frequency range, adapts to tough electrical environment

Low thermal loss (≤3% of rated SVG capacity), efficiency ≥ 97%

High stability: Infinite impedance to grid, avoids harmonic resonance problem

Flexible application: Modular design, embedded in standard or customized cabinet

Easy installation and maintenance: Easy installation for SVG module replacement and expansion

Wide capacity range: 50kvar~350kvar for a single cabinet, up to 10 cabinets in parallel

Environmental adaptability: -10~50°C temperature, compatible with diesel generators

Complete protection: Grid over/under voltage, SVG over current, over temperature, and others. All faults recorded inevent log, convenient for failure analysis.


SVG PFC Application Field

Electric Arc Furnaces:Voltage stabilisation reduces tap-to-tap time and electrode consumption.

Rolling Mills:Elimination of voltage and harmonic distortions reduces reactive power demand and increases electrical system capacity.

Mining and heavy industry:Dynamic reactive power compensation stabilise the power system, especially on large motor start up, ensuring reliability of the power system.

Wind and solar farms: Meeting strict grid connection criteria by providing dynamic voltage control and voltage stability at the common coupling point (PCC).

Renewables markets:Including solar farms, wind farms, solar panel installations.

Following are typical application industries of Static var generator PFC.

SVG for crane and conveyor systems
svg for solar power plant
svg for oil and gas industry
svg for melting and electric arc furnace
svg/statcom for public power grid
svg/statcom improve power factor for water treatment indstry
statcom improve power factor for wind pv farm
svg improve power factor for primary elements industry

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