Voltage quality.

Custom solutions from the GRIDCON® product range.

To ensure a cost-efficient and standard-compliant voltage quality, operators must deal with a variety of physical effects. The GRIDCON® product range offers custom solutions to tackle all possible challenges.

 
cos φ
 

Origin (example):

  • Directly switched motors
  • Transformers (inductance)
  • Cable networks (capacitance)

Selected solution approaches:

  • Automatic reactive power compensation
  • Dynamic compensation (active or passive)
  • Inductive compensation

GRIDCON® portfolio:

  • POCO(X) (passive MS cabinet systems)
  • STATION (MS comp. in concrete station/container)
  • PFC (passive NS cabinet systems)
  • STATCOM and ACF (dynamic compensation)
 
 
Harmonics
 

Origin (example):

  • Frequency-controlled motors
  • Non-linear loads
  • Amplification through resonance

Selected solution approaches:

  • Passive filter circuits, multi-level if necessary
  • Active filter (configurable filter effect)

GRIDCON® portfolio:

  • POCO(X) (passive MS cabinet systems)
  • STATION (MS comp. in concrete station/container)
  • PFC (passive NS cabinet systems)
  • ACF (active filter)
 
 
Asymmetries
 

Origin (example):

  • 1-phase and 2-phase loads
  • Welding machines
  • Arc furnaces

Selected solution approaches:

  • Active filter (balancing active and reactive power)
  • Phase-selective reactive power compensation

GRIDCON® portfolio:

  • STATION (MS comp. in concrete station/container)
  • STATCOM (highly dynamic MS compensation)
  • ACF (active filter)
 
 
Voltage drops
 

Origin (example):

  • Start-up of large electric motors
  • Remote short circuits in the network

Selected solution approaches:

  • Dynamic reactive-power compensation
  • Voltage-dependent reactive-power compensation

GRIDCON® portfolio:

  • STATION (MS comp. in concrete station/container)
  • STATCOM (highly dynamic MS compensation)
  • ACF (active filter)
 
 
Voltage range violations
 

Origin (example):

  • Dispersed power feed (PV)
  • Long lines (feed-in)

Selected solution approaches:

  • Load-dependent voltage regulation

GRIDCON® portfolio:

  • Transformer (regulated transformer)
  • STATCOM (highly dynamic MS compensation)
 
 
Commutation losses
 

Origin (example):

  • Thyristor rectifier transformer

Selected solution approaches:

  • Passive multi-level filter circuits
  • High-pass filter
  • Active filter

GRIDCON® portfolio:

  • POCO(X) (passive MS cabinet systems)
  • STATION (MS comp. in concrete station/container)
  • PFC (passive NS cabinet systems)
  • ACF (active filter, if necessary, with high-pass filter)
 
 
Flicker
 

Origin (example):

  • Dynamic loads
  • Welding machines
  • Arc furnaces

Selected solution approaches:

  • Dynamic reactive power compensation

GRIDCON® portfolio:

  • SVC (dynamic MS compensation)
  • STATCOM (highly dynamic MS compensation)
  • ACF (active filter)
 
 
Neutral conductor overloads
 

Origin (example):

  • 1-phase electronic loads
  • LED lighting

Selected solution approaches:

  • Active filter with N-conductor connection

GRIDCON® portfolio:

  • ACF (active filter in 4-conductor design)
 
 
Transient overvoltages
 

Origin (example):

  • Switching operations in the network
  • Lightning strikes

Selected solution approaches:

  • Passive multi-level filter circuits
  • Switching measures

GRIDCON® portfolio:

  • POCO(X) (passive MS cabinet systems)
  • R/C wiring + surge arrester
 
 
Voltage interruption
 

Origin (example):

  • Nearby short circuits in the network
  • Network switching operations

Selected solution approaches:

  • Energy accumulator

GRIDCON® portfolio:

  • ACF ESS (active filter with electrical energy accumulator)
 
 
Active-power management
 

Origin (example):

  • Asynchronism between energy consumption and generation
  • Volatile generation/consumption

Selected solution approaches:

  • Energy accumulator

GRIDCON® portfolio:

  • ACF ESS (active filter with electrical energy accumulator)