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Automatic condenser batteries BKL

What is the purpose of condenser batteries?

Condenser batteries are devices used for compensation of inductive reactive power in low voltage grids.

They are not usually installed at households, but mainly at production plants, offices, shops and other public utility facilities.

Operation of devices other than resistance based ones – including inductive motors and transformers – results in a phase shift of the current flowing through them against the power supply voltage; reactive current flowing through the grid reduces its throughput and increases power losses.

In case of connecting inductive devices to the network, there occurs a delay in current flow as compared with the voltage. In order to minimise this phenomenon (against the control point, i.e. the installed electricity consumption meter), a circuit with an opposite character to the inductive one ought to be installed (i.e. the current must run before the power supply voltage) to compensate for the delay. This happens in case of connecting capacitive devices – condensers – to the network. Common operation of the inductive system of the load and the capacitive system of the condenser results in mutual elimination of the shifts of the current and voltage in time and, thus, to elimination of negative phenomena, resulting in minimisation of the charge for consumption of reactive electrical power.

Consumption of reactive power differs among all production plants. Diversity of receivers and the character of their work changes over time. In practice, it is not possible to construct a simple, static capacitive system cooperating with devices which operate in an irregular manner. State of the art compensators are constructed as automatic condenser batteries with different power, which adapt dynamically to instantaneous consumption of reactive power by the recipient. The installed reactive power controller measures the inductive load and connects appropriate condensers with different power parameters to the network in order to follow changes in the inductive load volume in a most efficient manner. The condenser set created by the battery at the given time requires preparation of compensation units composed of condensers with different power parameters. Their size is selected based on measurements carried out at the recipient’s premises.

An automatic condenser battery consists of:

  • metal casing with dimensions adapted to the battery power and space available at the given facility
  • several/more than ten condenser units/degrees
  • LRM001 or another reactive power controller
  • contactors with resistors
  • optionally, protective/filtration chokes (for condenser batteries with protective chokes)

Condenser batteries – with or without protective chokes?

Depending on whether or not higher harmonics appear in the given network, the following applies:

The devices may be suitable both for indoor and outdoor installation. They may work in an uninterrupted manner within the temperature range of -25°C…40°C.

We will assist you with selecting the appropriate solution for your facility and its conditions. Contact us.

Condenser batteries without protective chokes (S)BKL-M and (S)BKL-D

 

  • compensation of inductive reactive power in low voltage networks assuming an even loading of phases and an insignificant share of higher harmonics.
  • Š They are usually installed at industrial plants with a high number of direct power supply motors.
  • reduced energy losses in the power network
  • reduced active energy consumption, by reducing active power losses
  • automatic adaptation to the momentary consumption of reactive energy
  • the controller switching on capacitor steps with appropriate powers
  • CO2 reduction
  • minimised charges for inductive reactive energy
Parameter Value
battery power from 7,5 kVar to 600 kVar
rated voltage 400 V, 525 V, 690 V
casing metal
colour RAL 7035
protection class IP20 ÷ IP66
ventilation for the power above 60kVar, forced ventilation system with a temperature controller
Dimensions depending on power, width x height x depth [mm]: 600 × 650 × 250
800 × 1000 × 400
1000 × 1000 × 400
1600 × 1000 × 400
1800 × 1000 × 400
pedestal 100 mm
power factor controller  LRM 001 – panel design, board mounted
LRM 002 – installation on the DIN rail
dry condensers in a cylindrical casing - low losses of no more than 0.4W/kVar
- self-regenerating polypropylene film with top parameters
- installed overpressure protection
capacitor protection cover fuse disconnectors, for power >60 kVar mounted on the busbar
Optional:
  • power factor controllers
    • any type of power factor controller
  • thyristor connectors
    • switching on the capacitors with thyristors
    • response time and blocking against repeated switching from 1 s
  • housing
    • any size and material
  • bank protection

BKL-M - Standardowe automatyczne baterie kondensatorów ze stycznikami

  • banks up to 55 kVar /400 V, max. 5 choke steps;
  • dimensions: 600 × 650 × 250

  • banks up to 250 kVar /400 V, max. 5 choke steps;
  • dimensions: 800 × 1000 × 400

  • banks up to350 kVar /400 V, max. 7 choke steps
  • dimensions: 1000 × 1000 × 400

BKL-D - Standardowe automatyczne baterie kondensatorów ze stycznikami

  • banks up to 500 kVar /400 V, max. 10 choke steps;
  • dimensions: 800 × 1000 × 400 + 800 × 1000 × 400

  • banks up to 600 kVar /400 V, max. 12 choke steps;
  • dimensions: 800 × 1000 × 400 + 1000 × 1000 × 400

SBKL-M - Szybkie automatyczne baterie kondensatorów z łącznikami tyrystorowymi LH

  • banks up to 55 kVar /400 V, max. 5 choke steps;
  • dimensions: 600 × 650 × 250

  • banks up to 250 kVar /400 V, max. 5 choke steps;
  • dimensions: 800 × 1000 × 400

  • banks up to 350 kVar /400 V, max. 7 choke steps
  • dimensions: 1000 × 1000 × 400

SBKL-D - Szybkie automatyczne baterie kondensatorów z łącznikami tyrystorowymi LH

  • banks up to 500 kVar /400 V, max. 10 choke steps;
  • dimensions: 800 × 1000 × 400 + 800 × 1000 × 400

  • banks up to 600 kVar /400 V, max. 12 choke steps;
  • dimensions: 800 × 1000 × 400 + 1000 × 1000 × 400

BKL-MHr-xx/xx and BKL-DHr-xx/xx batteries with protective chokes for inductive reactive power compensation (S)BKL-Mhr and (S)BKL-Dhr

 

  • BKL-MHr and BKL-DHr type batteries are designed for compensation of inductive reactive power in three-phase low voltage networks with higher harmonics, assuming an even loading of phases.
  • They are usually installed at industrial plants with a high share of non-linear receivers, i.e. frequency converters and direct current drives, as well as at large office and retail facilities.
  • Installation of properly selected protective chokes prevents occurrence of resonance phenomena and lasting overloading of condensers with higher harmonic currents.
  • reduced energy losses in the power network
  • reduced active energy consumption, by reducing active power losses
  • automatic adaptation to the momentary consumption of reactive energy
  • the controller switching on capacitor steps with appropriate powers
  • preventing the occurrence of resonance phenomena
  • protection against permanent overload of capacitors with higher values of harmonic currents
  • CO2 reduction
  • minimised charges for inductive reactive energy
Parameter Value
battery power from 7,5 kVar to 600 kVar
rated voltage 400 V, 525 V, 690 V
casing metal
colour RAL 7035
protection class IP20 ÷ IP66
ventilation for the power above 60kVar, forced ventilation system with a temperature controller
dimensions depending on power, width x height x depth [mm]: 1000 × 1000 × 400
800 × 2000 × 500
1000 × 2000 × 500
1600 × 2000 × 500
1800 × 2000 × 500
2000 × 2000 × 500
pedestal 100 mm
power factor controller LRM 001 – panel design, board mounted
LRM 002 – installation on the DIN rail
dry condensers in a cylindrical casing - low losses of no more than 0.4W/kVar
- self-regenerating polypropylene film with top parameters
- installed overpressure protection
capacitor protection cover fuse disconnectors, for power >60 kVar mounted on the busbar
protective chokes attenuation factor 7% or 14% reversible thermal protections
Opcjonalnie:
  • power factor controllers
    • any type of power factor controller
  • thyristor connectors
    • switching on the capacitors with thyristors
    • response time and blocking against repeated switching from 1 s
  • housing
    • any size and material
  • bank protection

BKL-Mhr - Baterie kondensatorów ze stycznikami i dławikami ochronnymi

    • baterie do 60 kVar /400 V, max. 6 stopni kondensatorowych;

wymiary: 1000 × 1000 × 400

BKL-Dhr - Baterie kondensatorów ze stycznikami i dławikami ochronnymi

    • baterie do 200 kVar /400 V, max. 4 stopnie kondensatorowe;

wymiary: 800 × 2000 × 500

    • baterie do 300 kVar /400 V, max. 6 stopni kondensatorowych;

wymiary: 1000 × 2000 × 500

    • baterie do 300 kVar /400 V, max. 8 stopni kondensatorowych;

wymiary: 1200 × 2000 × 500

    • baterie do 400 kVar /400 V, max. 8 stopni kondensatorowych;

wymiary: 1600 × 2000 × 500

    • baterie do 500 kVar /400 V, max. 10 stopni kondensatorowych;

wymiary: 1800 × 2000 × 500

    • baterie do 600 kVar /400 V, max. 12 stopni kondensatorowych;

wymiary: 2000 × 2000 × 500

SBKL-Mhr - Szybkie baterie kondensatorów z łącznikami tyrystorowymi LH i dławikami ochronnymi

    • baterie do 60 kVar /400 V, max. 6 stopni kondensatorowych;

wymiary: 1000 × 1000 × 400

SBKL-Dhr - Szybkie baterie kondensatorów z łącznikami tyrystorowymi LH i dławikami ochronnymi

    • baterie do 200 kVar /400 V, max. 4 stopnie kondensatorowe;

wymiary: 800 × 2000 × 500

    • baterie do 300 kVar /400 V, max. 6 stopni kondensatorowych;

wymiary: 1000 × 2000 × 500

    • baterie do 300 kVar /400 V, max. 8 stopni kondensatorowych;

wymiary: 1200 × 2000 × 500

    • baterie do 400 kVar /400 V, max. 8 stopni kondensatorowych;

wymiary: 1600 × 2000 × 500

    • baterie do 500 kVar /400 V, max. 10 stopni kondensatorowych;

wymiary: 1800 × 2000 × 500

    • baterie do 600 kVar /400 V, max. 12 stopni kondensatorowych;

wymiary: 2000 × 2000 × 500

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