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PCB Facts
Harmonics
What is Power Factor?

FS Range

FS

Highly reliable, low loss capacitors with self healing properties
Safety protection system incorporated within each capacitor element
Internally extendible and maintainable
Floor standing units for easy installation
The Vector FS series is ideally situated where floor space is limited
Soft Switching contactors for minimal system disturbance
Also available with harmonic blocking or filter reactors
Multi-stage switching with on/off/auto facility available on the control relay
Panel mounted on/off/auto switches and indicator lamps available as low cost option
A suitably rated switch-fuse, circuit-breaker or load-break switch is available as an option where required

Max. kVAr rating

Height

Width

Depth

To 124.6 kVAr

850

600

325

To 259.2 kVAr

1450

600

400

To 388.8 kVAr

1850

600

400

To 518.4 kVAr

2250

600

400

 

 

 

 

FSi Range

FSI

Reactor connected (detuned) Capacitors can be installed which are designed to prevent system resonance. They can also be designed to reduce the level of harmonics as indicated below.
Blocking Reactor System
This reactor / capacitor combination is designed to have a resonant frequency of 189Hz. In this case, system resonance is avoided and approximately 17 to 20% of the 5th harmonic current can be absorbed. This is suitable for variable loads.
Partial Filter System
Here the reactor / capacitor combination is designed to resonate at a frequency of 210Hz, again system resonance’s are avoided and approximately 40 to 50% of the 5th harmonic current can be absorbed. This is suitable for variable loads where harmonic reduction is also required.
Full Filter System
In this system the capacitor / reactor legs are tuned to a given harmonic frequency producing almost zero impedance to that harmonic current. Therefore most of the current is absorbed by the filter. This type of filter is typically constructed with multiple legs, each being tuned to a specific harmonic frequency and can realistically reduce the harmonic current flowing in the supply network by up to 90%. Ideally, this is suited for constant loads.

Equipment size

Height

Width

Depth

 

To 50 kVAr

850

600

325

To 100 kVAr

1450

600

400

To 150 kVAr

1850

600

400

To 200 kVAr

2250

600

450

To 250 kVAr

1850

1200

400

To 300 kVAr

1850

1200

400

To 350 kVAr

2250

1200

450

To 400 kVAr

2250

1200

450

 

Power Factor is the ratio of “useful” power to “total” power consumed by an item of electrical plant. Electrical equipment requiring the creation of a magnetic field to operate, for example: Motors & motor driven machines
will all draw a current which is said to ‘lag’ behind the voltage thus, producing a “lagging” Power Factor. Capacitors contained in most Power Factor Correction Equipment draw current that is said to ’lead’ the voltage, thus producing a “leading” Power Factor. If Capacitors are connected to a circuit that operates at a nominally lagging power factor, the extent that the circuit lags is reduced proportionately. Circuits having no resultant leading or lagging component are said to operate at a “unity” (1) power factor, and the total energy consumed is equal to the useful energy

Comprehensive Range
We offer a wide range of power factor correction capacitor and control systems to meet varying requirements. Designs can be modified to suit individual customer requirements.
Competitively Priced
Our power factor correction capacitors - which are guaranteed - incorporate many technical benefits but remain competitive in price.
Free Consultation Service
Our specialist engineers are available to discuss your requirements and carry out Power Factor Correction surveys without cost or obligation.
Standards
Our Power Factor Correction Equipment is manufactured to comply with BS EN 60831 and VDE 0560.

Maintenance & Maintenance Contracts

Once installed, it is vital that power factor correction equipment is maintained, so that the full benefits are enjoyed for years to come. Procuro are able to maintain both their own equipment and that belonging to others.

 

Downloads

PdfPFC Brochure

 

 

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