33kv statcom

0.69kv statcom systems

SVG STATCOM system 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

STATCOM Overview

The STATCOM systems (STATCOM for short), 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), STACOM can realize fast compensation for reactive load, and achieve very high compensation precision. 

Principle of statcom

STATCOM is currently the best solution in reactive power control filed. Compared with the traditional SVC represented by TSC, the regulation speed of STATCOM 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 (STATCOM can compensate both inductive reactive power and capacitive reactive power), and STATCOM also has the function of active filtration of harmonic current.

static var generator svg statcom modular
low voltage static var generator statcom panel
Wall-mounted STATCOM  Rack type STATCOM Panel


STATCOM Specification

Rated Voltage        690Vac 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 STATCOM Works?

STATCOM is a power electronics-based device connected in parallel with the load that requires harmonics mitigation. STATCOM 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 STATCOM 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 statcom static synchorouns compensator work

STATCOM Benefits

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 Statcom 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 Statcom module replacement and expansion.

Wide capacity range: 50kvar~600kvar 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, Statom over current, over temperature, and others. All faults recorded inevent log, convenient for failure analysis.


SVG 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.

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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