AC Filter Capacitor
Modelmeanings
A-AC fiter capacitor; F-Liquid impregnant is bibenzyt;
M-Solid dielectric is only fim (laminate of fim and paper);
12V3-Rated voltage (KV)
1-Single phase, w forer outsidre use.
Outline dimension
(For reference only, contact manufacturer)manufacturer for specific dimensions)
Product Details
AC filter capacitors are primarily used in 50Hz or 60Hz AC power systems to provide a low-impedance path for one or more harmonic currents, thereby improving the power factor. These capacitors play a crucial role in modern power systems, especially in industrial and commercial applications, effectively suppressing harmonic interference and ensuring the stability and efficiency of the power system.
In AC power systems, harmonics are caused by nonlinear loads (such as frequency converters, rectifiers, and other electronic equipment), which distort current and voltage waveforms, thus affecting the normal operation of the equipment. AC filter capacitors provide a low-impedance path, allowing these harmonic currents to be effectively guided and dissipated, reducing their negative impact on the power system.
AC filter capacitors can significantly improve the power factor. The power factor is a crucial indicator of power system efficiency; a low power factor leads to increased power losses and equipment overload. By using AC filter capacitors, users can optimize power system performance, reduce electricity costs, and extend equipment lifespan.
When selecting AC filter capacitors, users need to consider several factors, including the capacitor's rated voltage, capacitance, frequency response, and operating environment. High-quality AC filter capacitors not only provide excellent performance but also maintain stable operation under various working conditions.
AC filter capacitors are important components for improving power system performance, enhancing power factor, and reducing harmonic interference. They are widely used in various power equipment and systems and are an indispensable part of modern power engineering.
Technical Performance and Requirements
1.Capacitance tolerance
A、Band-pass filter: ≤ ±5%.
B、High-pass filter: ≤ ±7.5%.
2.Dielectric loss tangent value tan ＆
A、As to the capacitors without internal fuse under 20℃:
For laminate dielectric of film and paper: tan ＆≤ 0.0012
For only film dielectric: tan ＆≤ 0.0005
B、As to the capacitors with internal fuse, it shall be negotiated betweenthe buyer and us.
3.Steady state overvoltage
Continuous working voltage of the capacitor is 1.OUn and it can work for respective time under the total rated harmonic voltage Uh plus the fundamental voltage specified in the following table.
4.The maximum allowable capacitance should not be above 1.35Qn.
5.Insulation grade of the capacitor (Un/kV)
6.The residue voltage on their terminals should not be over 0.1Un when they are put into use.
7.The altitude of area where capacitors are installed and used should be not over 1000m.
8.The ambient air temperature of area where capacitors are installed and used should be within -50℃~+55℃.
9.The area where capacitors are installed and used should have no strenuous mechanical vibration, no hazardous gas or steam and no electrical conductivity or explosive dust.
Technical parameter
| Model and Spec. | Rated votlage (KV) | Rated capacity (Kvar) | Number of phases | Rated capacitance (uF) | Remarks |
| LGAFM0.48-40-1 | 0.48 | 40 | 1 | 552.9 | |
| LGAFM0.525-15-3 | 0.525 | 15 | 3 | 173.3 | |
| LGAFM0.525-40-1W | 0.525 | 40 | 1 | 462.18 | Outdoor |
| LGAFF0.525-50-1 | 0.525 | 50 | 1 | 577.7 | |
| LGAFM0.525-56-1 | 0.525 | 56 | 1 | 647.05 | |
| LGAFM0.525-70-1 | 0.525 | 70 | 1 | 808.8 | |
| LGAFM0.525-100-1 | 0.525 | 100 | 1 | 1155.45 | |
| LGAFM4.2-100-1W | 4.2 | 100 | 1 | 18.05 | Outdoor |
| LGAFM4.4-80-1 | 4.4 | 80 | 1 | 13.16 | |
| LGAWF4.6-30-1W | 4.6 | 30 | 1 | 4.51 | Outdoor |
| LGAFM6.6/√3-50-1 | 6.6/√3 | 50 | 1 | 10.97 | |
| LGAFM6.6/√3-100-1 | 6.6/√3 | 100 | 1 | 21.94 | |
| LGAFM7-50-1W | 7 | 50 | 1 | 3.25 | Outdoor |
| LGAFM7-250-1 | 7 | 250 | 1 | 16.25 | |
| LGAFM7.2L/√3-200-1W | 7.2/√3 | 200 | 1 | 36.86 | Outdoor |
| LGAFM7.37-269-1W | 7.37 | 269 | 1 | 15.77 | Outdoor |
| LGAFM7.6-150-1W | 7.6 | 150 | 1 | 8.277 | Outdoor |
| LGAFM7.6-200-1W | 7.6 | 200 | 1 | 11.027 | Outdoor |
| LGAFM7.6/√3-120-1W | 7.6/√3 | 120 | 1 | 19.85 | Outdoor |
| LGAFM7.6/√3-150-1W | 7.6/√3 | 150 | 1 | 24.81 | Outdoor |
| LGAFM12/√3-50-1W | 12/√3 | 50 | 1 | 3.317 | Outdoor |
| LGAFM12/√3-100-1W | 12/√3 | 100 | 1 | 6.634 | Outdoor |
| LGAFM12/√3-200-1W | 12/√3 | 200 | 1 | 13.27 | Outdoor |
| LGAFM12/√3-250-1W | 12/√3 | 250 | 1 | 16.59 | Outdoor |
| LGAFM14/√3-50-1 | 14/√3 | 50 | 1 | 2.437 |