Phone: 304-252-6243    ||    Beckley, West Virginia, USA    ||    Fax: 304-252-6292   || Information Request

Metal-Enclosed Assemblies    -     Capacitor Assemblies    -     Primary Switchgear

Harmonic Filter Applications    -   Harmonic/Power Factor Correction Studies

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Harmonic Filter/Capacitor Banks (480 volt through 35KV)

Gilbert Electrical Systems has been analyzing, engineering, designing and manufacturing harmonic filter assemblies since 1983. We have been well aware of the need in this field to provide solutions to power factor and harmonic problems. We address these problems with a well staffed engineering and study group. We will analyze our customers’ needs and provide a well engineered system that will satisfy these needs with a package of the highest quality that is unsurpassed in the market.

Utilities and industrials have had to address harmonics and the associated problems that harmonics create.

HARMONICS create many problems on customer’s systems such as:

bulletAbnormal Heating of Equipment. Transformer failure or life reduction.
bulletExcessive capacitor fuse failures.
bulletCapacitor problems. Equipment operation problems or damage.
bulletInterference to communications.
bulletExcessive voltage distortion.
bulletPossible relay and metering problems.

Capacitor/Filter Features:

This section covers passive shunt harmonic filter equipment. This equipment consists of capacitor banks, reactors and sometimes, resistors. The filters can be furnished in different ways:

Gilbert Electrical Systems has furnished many custom designed passive shunt harmonic filter packages. With our engineering capabilities we can design the banks from data collected by our engineers or, the customer’s sources.


Metal Enclosed Harmonic Filter
Open Structure Harmonic Filter
Pole Mounted Harmonic Filter