9 research outputs found
Active frequency-dividing filters
The method of synthesis of analog frequency-dividing devices on the basis of wave filters has been offered. Various variants of configurations of such filters are considered. It is shown that frequency-dividing filters synthesized according to the offered method, have the minimal order
Hybrid power filters for three-phase four-wire systems
Using the differential method for calculating the heat and mass transfer, numerical studies of thermal and aerodynamic parameters in the firebox tube furnaces with acoustic gas burners flame grazing at different amounts tiered burners on the side wall of the radiation. Is a view of the isotherms and the functions of the current lines in the chamber radiation furnace technology at one, two and three rows of burners long line arrangement. For these options to show the character of temperature change the side wall of the furnace and thermal stress along the reaction tubes
Electromagnetic Compatibility Issues on Power Systems in the Petroleum Industry
Π¨ΠΈΡΠΎΠΊΠΎΠ΅ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΈΡΡΠ΅ΠΌ ΡΠ΅Π³ΡΠ»ΠΈΡΡΠ΅ΠΌΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π° Π½Π° Π½Π΅ΡΡΠ΅ΠΏΠ΅ΡΠ΅ΡΠ°Π±Π°ΡΡΠ²Π°ΡΡΠΈΡ
ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΡΡ
(ΠΠΠ) ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΌΡ ΡΡ
ΡΠ΄ΡΠ΅Π½ΠΈΡ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠ½Π΅ΡΠ³ΠΈΠΈ
Π² ΡΠ΅ΡΡΡ
ΠΠΠ. ΠΡΠ½ΠΎΠ²Π½ΡΠΌ ΡΡΠ΅Π΄ΡΡΠ²ΠΎΠΌ ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΡΠΈΡ
ΠΏΡΠΎΠ±Π»Π΅ΠΌ ΡΠ²Π»ΡΡΡΡΡ ΡΠΈΠ»ΠΎΠ²ΡΠ΅ ΡΠΈΠ»ΡΡΡΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½ ΠΌΠ΅ΡΠΎΠ΄ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΏΠ°ΡΡΠΈΠ²Π½ΡΡ
ΡΠΈΠ»ΠΎΠ²ΡΡ
ΡΠΈΠ»ΡΡΡΠΎΠ²,
ΡΡΡΠ°Π½Π°Π²Π»ΠΈΠ²Π°Π΅ΠΌΡΡ
Π² ΡΠΎΡΠΊΠ°Ρ
ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ΠΈΡ ΡΠΈΡΡΠ΅ΠΌ ΡΠ΅Π³ΡΠ»ΠΈΡΡΠ΅ΠΌΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π°. Π£ΡΡΡΠΎΠΉΡΡΠ²ΠΎ,
ΡΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°, Π²ΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΡΡΠ½ΠΊΡΠΈΠΈ
ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΎΡΠ° ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΌΠΎΡΠ½ΠΎΡΡΠΈ Π½Π° ΡΠ°ΡΡΠΎΡΠ΅ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ ΠΈ ΡΠΈΠ»ΡΡΡΠ° Π²ΡΡΡΠΈΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½ ΠΏΡΠΈΠΌΠ΅Ρ ΡΠ°ΡΡΠ΅ΡΠ° Π€ΠΠ£ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ
ΡΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ ΡΡΡΡΠΎΠΉΡΡΠ²ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Π΅Ρ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠ΅, Π±ΠΎΠ»Π΅Π΅ ΡΠ΅ΠΌ Π½Π° 50 %, ΠΎΡΠ»Π°Π±Π»Π΅Π½ΠΈΠ΅
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΡΠΎΠΊΠ° ΠΈ ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΡ ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΌΠΎΡΠ½ΠΎΡΡΠΈThe widespread use of adjustable speed drivers (ASD) in the petrochemical industry significantly
increases the power-quality problems on the distribution network. Such problems can be reduced by
adding passive harmonic filters in the distribution system. This paper presents a method for design
passive power filters installed at the point of common coupling with ASD. The filter designed with
the help of proposed method satisfies requirements of reactive power compensation and harmonic
filtering. The design example illustrating the proposed approach is given. In the proposed example,
more than 50 % harmonic reduction and full reactive power compensation are achieve
Electromagnetic Compatibility Issues on Power Systems in the Petroleum Industry
Π¨ΠΈΡΠΎΠΊΠΎΠ΅ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΈΡΡΠ΅ΠΌ ΡΠ΅Π³ΡΠ»ΠΈΡΡΠ΅ΠΌΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π° Π½Π° Π½Π΅ΡΡΠ΅ΠΏΠ΅ΡΠ΅ΡΠ°Π±Π°ΡΡΠ²Π°ΡΡΠΈΡ
ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΡΡ
(ΠΠΠ) ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΌΡ ΡΡ
ΡΠ΄ΡΠ΅Π½ΠΈΡ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠ½Π΅ΡΠ³ΠΈΠΈ
Π² ΡΠ΅ΡΡΡ
ΠΠΠ. ΠΡΠ½ΠΎΠ²Π½ΡΠΌ ΡΡΠ΅Π΄ΡΡΠ²ΠΎΠΌ ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΡΠΈΡ
ΠΏΡΠΎΠ±Π»Π΅ΠΌ ΡΠ²Π»ΡΡΡΡΡ ΡΠΈΠ»ΠΎΠ²ΡΠ΅ ΡΠΈΠ»ΡΡΡΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½ ΠΌΠ΅ΡΠΎΠ΄ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΏΠ°ΡΡΠΈΠ²Π½ΡΡ
ΡΠΈΠ»ΠΎΠ²ΡΡ
ΡΠΈΠ»ΡΡΡΠΎΠ²,
ΡΡΡΠ°Π½Π°Π²Π»ΠΈΠ²Π°Π΅ΠΌΡΡ
Π² ΡΠΎΡΠΊΠ°Ρ
ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ΠΈΡ ΡΠΈΡΡΠ΅ΠΌ ΡΠ΅Π³ΡΠ»ΠΈΡΡΠ΅ΠΌΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π°. Π£ΡΡΡΠΎΠΉΡΡΠ²ΠΎ,
ΡΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°, Π²ΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΡΡΠ½ΠΊΡΠΈΠΈ
ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΎΡΠ° ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΌΠΎΡΠ½ΠΎΡΡΠΈ Π½Π° ΡΠ°ΡΡΠΎΡΠ΅ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ ΠΈ ΡΠΈΠ»ΡΡΡΠ° Π²ΡΡΡΠΈΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½ ΠΏΡΠΈΠΌΠ΅Ρ ΡΠ°ΡΡΠ΅ΡΠ° Π€ΠΠ£ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ
ΡΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ ΡΡΡΡΠΎΠΉΡΡΠ²ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Π΅Ρ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠ΅, Π±ΠΎΠ»Π΅Π΅ ΡΠ΅ΠΌ Π½Π° 50 %, ΠΎΡΠ»Π°Π±Π»Π΅Π½ΠΈΠ΅
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΡΠΎΠΊΠ° ΠΈ ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΡ ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΌΠΎΡΠ½ΠΎΡΡΠΈThe widespread use of adjustable speed drivers (ASD) in the petrochemical industry significantly
increases the power-quality problems on the distribution network. Such problems can be reduced by
adding passive harmonic filters in the distribution system. This paper presents a method for design
passive power filters installed at the point of common coupling with ASD. The filter designed with
the help of proposed method satisfies requirements of reactive power compensation and harmonic
filtering. The design example illustrating the proposed approach is given. In the proposed example,
more than 50 % harmonic reduction and full reactive power compensation are achieve
Power Factor Correction in Electrical Grids of Oil-Extracting Plants
Π ΡΡΠ°ΡΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ Π²ΠΎΠΏΡΠΎΡΡ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΠΈ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΠ° ΠΌΠΎΡΠ½ΠΎΡΡΠΈ Π² ΡΠ΅ΡΡΡ
Π½Π΅ΡΡΠ΅Π΄ΠΎΠ±ΡΠ²Π°ΡΡΠΈΡ
ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠΉ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΠ°ΡΡΠΈΠ²Π½ΡΡ
ΡΠΈΠ»ΡΡΡΠΎΠΊΠΎΠΌΠΏΠ΅Π½ΡΠΈΡΡΡΡΠΈΡ
ΡΡΡΡΠΎΠΉΡΡΠ²
(Π€ΠΠ£). ΠΠ»Ρ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π€ΠΠ£ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ ΠΌΠ΅ΡΠΎΠ΄, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½ΡΠΉ Π½Π° ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΠΈ ΡΠΈΠ»ΡΡΡΠ°
Π² Π²ΠΈΠ΄Π΅ ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΠΎΠ»ΡΡΠ½ΠΈΠΊΠ°, Π½Π°Π³ΡΡΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ Π½Π° ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΠ΅ ΠΏΠΈΡΠ°ΡΡΠ΅ΠΉ ΡΠ΅ΡΠΈ.
Π‘ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ ΡΡΡΡΠΎΠΉΡΡΠ²ΠΎ Π²ΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΡΡΠ½ΠΊΡΠΈΠΈ ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΎΡΠ° ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ
ΠΌΠΎΡΠ½ΠΎΡΡΠΈ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ ΠΈ ΡΠΈΠ»ΡΡΡΠ° Π²ΡΡΡΠΈΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½ ΠΏΡΠΈΠΌΠ΅Ρ ΡΠ°ΡΡΠ΅ΡΠ°,
ΠΈΠ»Π»ΡΡΡΡΠΈΡΡΡΡΠΈΠΉ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄Problems of the power factor correction in electrical grids of oil-processing plants are considered. A
novel approach of passive harmonic filter design is presented. The proposed approach is based on the
consideration of the filter as a reactive two-port loaded by the grid impedance. The design procedure
is discussed in detail and illustrative example is presente
Power Factor Correction in Electrical Grids of Oil-Extracting Plants
Π ΡΡΠ°ΡΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ Π²ΠΎΠΏΡΠΎΡΡ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΠΈ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΠ° ΠΌΠΎΡΠ½ΠΎΡΡΠΈ Π² ΡΠ΅ΡΡΡ
Π½Π΅ΡΡΠ΅Π΄ΠΎΠ±ΡΠ²Π°ΡΡΠΈΡ
ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠΉ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΏΠ°ΡΡΠΈΠ²Π½ΡΡ
ΡΠΈΠ»ΡΡΡΠΎΠΊΠΎΠΌΠΏΠ΅Π½ΡΠΈΡΡΡΡΠΈΡ
ΡΡΡΡΠΎΠΉΡΡΠ²
(Π€ΠΠ£). ΠΠ»Ρ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π€ΠΠ£ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ ΠΌΠ΅ΡΠΎΠ΄, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½ΡΠΉ Π½Π° ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΠΈ ΡΠΈΠ»ΡΡΡΠ°
Π² Π²ΠΈΠ΄Π΅ ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΠΎΠ»ΡΡΠ½ΠΈΠΊΠ°, Π½Π°Π³ΡΡΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ Π½Π° ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΠ΅ ΠΏΠΈΡΠ°ΡΡΠ΅ΠΉ ΡΠ΅ΡΠΈ.
Π‘ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ΅ ΡΡΡΡΠΎΠΉΡΡΠ²ΠΎ Π²ΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΡΡΠ½ΠΊΡΠΈΠΈ ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΎΡΠ° ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠΉ
ΠΌΠΎΡΠ½ΠΎΡΡΠΈ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ ΠΈ ΡΠΈΠ»ΡΡΡΠ° Π²ΡΡΡΠΈΡ
Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½ ΠΏΡΠΈΠΌΠ΅Ρ ΡΠ°ΡΡΠ΅ΡΠ°,
ΠΈΠ»Π»ΡΡΡΡΠΈΡΡΡΡΠΈΠΉ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄Problems of the power factor correction in electrical grids of oil-processing plants are considered. A
novel approach of passive harmonic filter design is presented. The proposed approach is based on the
consideration of the filter as a reactive two-port loaded by the grid impedance. The design procedure
is discussed in detail and illustrative example is presente
ΠΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΡ Π²ΡΡΡΠΈΡ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΠΈ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Π² ΡΡΠ΅Ρ ΡΠ°Π·Π½ΡΡ ΡΠ΅ΡΡΡΠ΅Ρ ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ ΡΠ΅ΡΡΡ
Load unbalance and modern office equipment result in a significant neutral current in three-phase
four-wire low-voltage power systems. This paper considers a new configuration of hybrid power
filter for power quality management in three-phase four-wire low voltage power systems. The
proposed hybrid filter is composed of a single-phase power converter and a three-phase passive
filter connected in series. The hybrid filter can be operated in both passive and hybrid mode.
The compensating performance of the filter is confirmed with computer simulation using MATLAB
software. Analysis and simulation proved that the hybrid filter is an effective solution for neutral
current mitigationΠ‘ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ΅ ΠΎΡΠΈΡΠ½ΠΎΠ΅ ΠΎΠ±ΠΎΡΡΠ΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΈ Π½Π΅ΡΠΈΠΌΠΌΠ΅ΡΡΠΈΡ Π½Π°Π³ΡΡΠ·ΠΎΠΊ ΡΠ²Π»ΡΡΡΡΡ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ ΠΏΡΠΈΡΠΈΠ½ΠΎΠΉ
ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Π² ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΡΡ
ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ
ΡΠ΅ΡΡΡ
Π½ΠΈΠ·ΠΊΠΎΠ³ΠΎ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ. Π ΡΡΠ°ΡΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Π° Π½ΠΎΠ²Π°Ρ ΠΊΠΎΠ½ΡΠΈΠ³ΡΡΠ°ΡΠΈΡ ΡΠΈΠ»ΠΎΠ²ΠΎΠ³ΠΎ Π³ΠΈΠ±ΡΠΈΠ΄Π½ΠΎΠ³ΠΎ ΡΠΈΠ»ΡΡΡΠ° Π΄Π»Ρ
ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΊΠ°ΡΠ΅ΡΡΠ²ΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΡΠ½Π΅ΡΠ³ΠΈΠΈ Π² ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΡΡ
ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ
ΡΠ΅ΡΡΡ
. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ
Π³ΠΈΠ±ΡΠΈΠ΄Π½ΡΠΉ ΡΠΈΠ»ΡΡΡ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΡΠΌ ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠ΅ΠΌ ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΠΎΠ³ΠΎ ΠΏΠ°ΡΡΠΈΠ²Π½ΠΎΠ³ΠΎ
ΡΠΈΠ»ΡΡΡΠ°, Π½Π°ΡΡΡΠΎΠ΅Π½Π½ΠΎΠ³ΠΎ Π½Π° ΡΠ°ΡΡΠΎΡΡ Π΄ΠΎΠΌΠΈΠ½ΠΈΡΡΡΡΠ΅ΠΉ ΡΡΠ΅ΡΡΠ΅ΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ, ΠΈ ΠΎΠ΄Π½ΠΎΡΠ°Π·Π½ΠΎΠ³ΠΎ
ΠΈΠ½Π²Π΅ΡΡΠΎΡΠ°. Π€ΠΈΠ»ΡΡΡ ΠΌΠΎΠΆΠ΅Ρ ΡΠ°Π±ΠΎΡΠ°ΡΡ ΠΊΠ°ΠΊ Π² ΠΏΠ°ΡΡΠΈΠ²Π½ΠΎΠΌ, ΡΠ°ΠΊ ΠΈ Π² Π³ΠΈΠ±ΡΠΈΠ΄Π½ΠΎΠΌ ΡΠ΅ΠΆΠΈΠΌΠ΅.
ΠΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΠΎΠ½Π½ΡΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΠΈΠ»ΡΡΡΠ° ΠΏΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Ρ Ρ ΠΏΠΎΠΌΠΎΡΡΡ
ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π² MATLAB. ΠΠ½Π°Π»ΠΈΠ· ΠΏΠΎΠΊΠ°Π·Π°Π», ΡΡΠΎ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ Π³ΠΈΠ±ΡΠΈΠ΄Π½ΡΠΉ ΡΠΈΠ»ΡΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ
ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠΌ ΡΡΠ΅Π΄ΡΡΠ²ΠΎΠΌ ΠΎΡΠ»Π°Π±Π»Π΅Π½ΠΈΡ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΠΈ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎ
ΠΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΡ Π²ΡΡΡΠΈΡ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΠΈ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Π² ΡΡΠ΅Ρ ΡΠ°Π·Π½ΡΡ ΡΠ΅ΡΡΡΠ΅Ρ ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ ΡΠ΅ΡΡΡ
Load unbalance and modern office equipment result in a significant neutral current in three-phase
four-wire low-voltage power systems. This paper considers a new configuration of hybrid power
filter for power quality management in three-phase four-wire low voltage power systems. The
proposed hybrid filter is composed of a single-phase power converter and a three-phase passive
filter connected in series. The hybrid filter can be operated in both passive and hybrid mode.
The compensating performance of the filter is confirmed with computer simulation using MATLAB
software. Analysis and simulation proved that the hybrid filter is an effective solution for neutral
current mitigationΠ‘ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ΅ ΠΎΡΠΈΡΠ½ΠΎΠ΅ ΠΎΠ±ΠΎΡΡΠ΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΈ Π½Π΅ΡΠΈΠΌΠΌΠ΅ΡΡΠΈΡ Π½Π°Π³ΡΡΠ·ΠΎΠΊ ΡΠ²Π»ΡΡΡΡΡ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ ΠΏΡΠΈΡΠΈΠ½ΠΎΠΉ
ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Π² ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΡΡ
ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ
ΡΠ΅ΡΡΡ
Π½ΠΈΠ·ΠΊΠΎΠ³ΠΎ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ. Π ΡΡΠ°ΡΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Π° Π½ΠΎΠ²Π°Ρ ΠΊΠΎΠ½ΡΠΈΠ³ΡΡΠ°ΡΠΈΡ ΡΠΈΠ»ΠΎΠ²ΠΎΠ³ΠΎ Π³ΠΈΠ±ΡΠΈΠ΄Π½ΠΎΠ³ΠΎ ΡΠΈΠ»ΡΡΡΠ° Π΄Π»Ρ
ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΊΠ°ΡΠ΅ΡΡΠ²ΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΡΠ½Π΅ΡΠ³ΠΈΠΈ Π² ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΡΡ
ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ
ΡΠ΅ΡΡΡ
. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ
Π³ΠΈΠ±ΡΠΈΠ΄Π½ΡΠΉ ΡΠΈΠ»ΡΡΡ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΡΠΌ ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠ΅ΠΌ ΡΡΠ΅Ρ
ΡΠ°Π·Π½ΠΎΠ³ΠΎ ΠΏΠ°ΡΡΠΈΠ²Π½ΠΎΠ³ΠΎ
ΡΠΈΠ»ΡΡΡΠ°, Π½Π°ΡΡΡΠΎΠ΅Π½Π½ΠΎΠ³ΠΎ Π½Π° ΡΠ°ΡΡΠΎΡΡ Π΄ΠΎΠΌΠΈΠ½ΠΈΡΡΡΡΠ΅ΠΉ ΡΡΠ΅ΡΡΠ΅ΠΉ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊΠΈ, ΠΈ ΠΎΠ΄Π½ΠΎΡΠ°Π·Π½ΠΎΠ³ΠΎ
ΠΈΠ½Π²Π΅ΡΡΠΎΡΠ°. Π€ΠΈΠ»ΡΡΡ ΠΌΠΎΠΆΠ΅Ρ ΡΠ°Π±ΠΎΡΠ°ΡΡ ΠΊΠ°ΠΊ Π² ΠΏΠ°ΡΡΠΈΠ²Π½ΠΎΠΌ, ΡΠ°ΠΊ ΠΈ Π² Π³ΠΈΠ±ΡΠΈΠ΄Π½ΠΎΠΌ ΡΠ΅ΠΆΠΈΠΌΠ΅.
ΠΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΠΎΠ½Π½ΡΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΠΈΠ»ΡΡΡΠ° ΠΏΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Ρ Ρ ΠΏΠΎΠΌΠΎΡΡΡ
ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π² MATLAB. ΠΠ½Π°Π»ΠΈΠ· ΠΏΠΎΠΊΠ°Π·Π°Π», ΡΡΠΎ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ Π³ΠΈΠ±ΡΠΈΠ΄Π½ΡΠΉ ΡΠΈΠ»ΡΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ
ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠΌ ΡΡΠ΅Π΄ΡΡΠ²ΠΎΠΌ ΠΎΡΠ»Π°Π±Π»Π΅Π½ΠΈΡ Π³Π°ΡΠΌΠΎΠ½ΠΈΠΊ ΠΈ ΡΠΎΠΊΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΡΠ½ΡΡ
ΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎ