| High-voltage filter |
|---|
With the improvement of the industrial automation level, all walks
of life rectifier, inverter, frequency furnace and other equipment
are used in so many industries, resulting in a large number of high
harmonics, harmonic current injection grid, the grid voltage and
current waveform distortion, Power quality deterioration. High
passive filter harmonics can be conducted according to the system
design, in parallel with the harmonic source, the harmonic current
filtering system, allowing users to export the harmonic
transformers meet the national standards for value. The device
mainly deal with the Harmonic, taking into account reactive power
compensation, to improve power quality, improve system power
factor, reduce line loss.
Harmonic filtering is the filter capacitor in series filter reactor
components, in the fundamental frequency generated when the
capacitive reactive power, inductive reactive compensation system,
improve system power factor. Harmonic frequencies in the capacitor
and the reactor to form series resonant circuit formed on the
harmonic current path of low impedance, so that most of the inflow
of harmonic current harmonic filtering.
Scope
Harmonic content for large on-site places, such as metallurgy,
petrochemicals, mining, building materials, drainage and other
harmonic polluted sites.
Technical Features
1. According to the actual parameters of electrical equipment and
use of special design configuration
Programs to ensure the best cost performance.
2. each branch by a vacuum switch, filter capacitor, filter
reactor, put
Coil, current transformers, surge arresters and other components.
3. with special filtering devices switching controller.
4. has a complete monitoring, control, display and protection.
5. using special filtering capacitors and special filter reactor,
in the harmonic filter
While providing fundamental reactive power, improve power quality.
6. protection function: over voltage, under voltage, over current,
short circuit and open
Delta and other protection.
Technical parameters
1. Rated voltage: 6kv ~ 10kv
2. Phase number: three-phase
3. Frequency: 50Hz
4. filter capacity: According to the harmonic current and reactive
power calculation system
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