0102030405
China Suppliers Factory High-Power Induction Heating Resonant Capacitor for Efficient Melting Solutions
Brief description
Series Resonant capacitor used in high-power Medium Frequency Induction Furnace for Silicon Melting or steel melting.
For an efficient solid state power sources for induction furnace, usually have the induction heating load driven at its natural resonant frequency.
The furnace coil and a capacitor form a resonant tank circuit. The metal to be heated in the coil which resulting in shift in the frequency. The resonant tank circuit is returned via frequency control circuit to achieve resonance and to enable maximum power transfer to the load at all time.
Water cooled capacitors features
Water cooled film capacitors are widely used in induction heating systems because they can handle high operating currents. Heat is generated in the components of system mainly through dielectric losses. Heat is also generated at the points of connection between the leads and the dielectric material. This heat is usually referred to as connection losses. Due to the high levels of currents that these components are exposed to, considerable amount of heat is generated. A appropriate internal cooling design is necessary for induction heating used capacitor which is able to enhance its performance as well as its reliability.
1.
Terminal: brass terminals brazing with copper tube & insulating bushing;
2.
Protection: pressure switch to control the internal pressure;
3.
Dielectric: all-film type with high quality impregnating oil;
4.
Case: textured Mg-Al alloy plate (No painting).
Quality guarantee for water cooled induction heating capacitors
- ✓Fully-automatic winding machine will test each winding core quality before it goes to next process;
- ✓Test of intermediates will happens at welding and assembly step;
- ✓Vacuum impregnation;
- ✓Leakage test;
- ✓Capacitance measurement;
- ✓Loss factor test;
- ✓Dielectric test between terminals;
- ✓Dielectric test between terminals and casing;
How power capacitors work in induction heating system?
In the inductive heating system, the high-power resonant converters require capacitors with high-power density and high-efficiency. The produced heat energy depends on switching frequency selection, Like 1Khz, 2Khz, or 10Khz etc. The induction heating system aim to convert the input AC power to a specific frequency.
During the induction heating process, the harmonic current and power loss are main problems. For comprehensive efficiency improvement, DC filtering capacitors and resonant capacitors are usually applied for the induction heating system. The typical example is IGBT based LC series resonant circuit system. DC Filter capacitors also work as an energy storage component as well as filter part in DC circuit of Induction Heating System.
The following is the schematic diagram of induction furnace
Flair capacitor production process
AC water cooled capacitor
| Model | Specification | Cooling method | Voltage | capacity | Frequency | capacitance | current | Terminal Nos | Dimension(mm) | Capacitor Shell | insulation covering | Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kv | kvar | kHz | uf | A | Length | Width | Height | Feature | Material | kg/pc | |||||
| RFM | 0.375-250-2.5 | water cooling | 0.375 | 250 | 2.5 | 113.1768484 | 666.6666667 | 4 | 336 | 142 | 175 | non-insulation | Aluminium sheet | white porcelain | 13.1 |
| RFM | 0.375-500-1(7) | water cooling | 0.375 | 500 | 1 | 565.8842421 | 1333.333333 | 6 | 400 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 34.7 |
| RFM | 0.375-500-2.5 | water cooling | 0.375 | 500 | 2.5 | 226.3536968 | 1333.333333 | 6 | 336 | 142 | 325 | non-insulation | Aluminium sheet | white porcelain | 23.6 |
| RFM | 0.375-750-1(9) | water cooling | 0.375 | 750 | 1 | 848.8263632 | 2000 | 10 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 57.7 |
| RFM | 0.375-750-2.5(9) | water cooling | 0.375 | 750 | 2.5 | 339.5305453 | 2000 | 8 | 336 | 142 | 400 | non-insulation | Aluminium sheet | white porcelain | 29.2 |
| RFM | 0.375-1000-1(4) | water cooling | 0.375 | 1000 | 1 | 1131.768484 | 2666.666667 | 10 | 440 | 207 | 470 | non-insulation | Aluminium sheet | white porcelain | 63.9 |
| RFM | 0.375-1000-1.5 | water cooling | 0.375 | 1000 | 1.5 | 754.5123228 | 2666.666667 | 10 | 440 | 166 | 430 | non-insulation | Aluminium sheet | white porcelain | 48.2 |
| RFM | 0.375-1000-2(9) | water cooling | 0.375 | 1000 | 2 | 565.8842421 | 2666.666667 | 10 | 440 | 166 | 400 | non-insulation | Aluminium sheet | white porcelain | 44.0 |
| RFM | 0.375-1000-2.5(9) | water cooling | 0.375 | 1000 | 2.5 | 452.7073937 | 2666.666667 | 10 | 440 | 166 | 325 | non-insulation | Aluminium sheet | white porcelain | 36.5 |
| RFM | 0.375-1000-4(9) | water cooling | 0.375 | 1000 | 4 | 282.9421211 | 2666.666667 | 10 | 440 | 166 | 260 | non-insulation | Aluminium sheet | white porcelain | 29.7 |
| RFM | 0.65-560-20 | water cooling | 0.65 | 560 | 20 | 10.54754652 | 861.5384615 | 4 | 303 | 120 | 175 | non-insulation | Aluminium sheet | white porcelain | 11.3 |
| RFM | 0.65-560-50 | water cooling | 0.65 | 560 | 50 | 4.21901861 | 861.5384615 | 6 | 303 | 120 | 175 | non-insulation | Aluminium sheet | white porcelain | 11.3 |
| RFM | 0.75-500-2.5 | water cooling | 0.75 | 500 | 2.5 | 56.58842421 | 666.6666667 | 4 | 303 | 120 | 210 | non-insulation | Aluminium sheet | white porcelain | 12.3 |
| RFM | 0.75-500-15 | water cooling | 0.75 | 500 | 15 | 9.431404035 | 666.6666667 | 4 | 303 | 126 | 210 | Insulation | Aluminium sheet | white porcelain | 13.0 |
| RFM | 0.75-560-4 | water cooling | 0.75 | 560 | 4 | 39.61189695 | 746.6666667 | 4 | 303 | 120 | 240 | non-insulation | Aluminium sheet | white porcelain | 13.6 |
| RFM | 0.75-640-8 | water cooling | 0.75 | 640 | 8 | 22.63536968 | 853.3333333 | 4 | 303 | 120 | 175 | non-insulation | Aluminium sheet | white porcelain | 11.0 |
| RFM | 0.75-720-1 | water cooling | 0.75 | 720 | 1 | 203.7183272 | 960 | 4 | 336 | 142 | 300 | non-insulation | Aluminium sheet | white porcelain | 21.2 |
| RFM | 0.75-900-15(2) | water cooling | 0.75 | 900 | 15 | 16.97652726 | 1200 | 6 | 336 | 166 | 240 | Insulation | Aluminium sheet | white porcelain | 20.8 |
| RFM | 0.75-900-15(3) | water cooling | 0.75 | 900 | 15 | 16.97652726 | 1200 | 6 | 336 | 142 | 220 | Insulation | Aluminium sheet | white porcelain | 17.4 |
| RFM | 0.75-1000-0.5 | water cooling | 0.75 | 1000 | 0.5 | 565.8842421 | 1333.333333 | 6 | 440 | 166 | 400 | non-insulation | Aluminium sheet | white porcelain | 42.4 |
| RFM | 0.75-1000-1 | water cooling | 0.75 | 1000 | 1 | 282.9421211 | 1333.333333 | 6 | 336 | 142 | 400 | non-insulation | Aluminium sheet | white porcelain | 28.0 |
| RFM | 0.75-1000-1(3) | water cooling | 0.75 | 1000 | 1 | 282.9421211 | 1333.333333 | 6 | 336 | 166 | 325 | non-insulation | Aluminium sheet | white porcelain | 27.0 |
| RFM | 0.75-1000-1(5) | water cooling | 0.75 | 1000 | 1 | 282.9421211 | 1333.333333 | 6 | 336 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 28.3 |
| RFM | 0.75-1000-1.5(2) | water cooling | 0.75 | 1000 | 1.5 | 188.6280807 | 1333.333333 | 6 | 336 | 142 | 285 | non-insulation | Aluminium sheet | white porcelain | 20.7 |
| RFM | 0.75-1000-2(2) | water cooling | 0.75 | 1000 | 2 | 141.4710605 | 1333.333333 | 6 | 336 | 142 | 285 | non-insulation | Aluminium sheet | white porcelain | 20.3 |
| RFM | 0.75-1000-2.5 | water cooling | 0.75 | 1000 | 2.5 | 113.1768484 | 1333.333333 | 6 | 336 | 142 | 240 | non-insulation | Aluminium sheet | white porcelain | 18.1 |
| RFM | 0.75-1000-3(2) | water cooling | 0.75 | 1000 | 3 | 94.31404035 | 1333.333333 | 6 | 336 | 142 | 240 | non-insulation | Aluminium sheet | white porcelain | 17.6 |
| RFM | 0.75-1000-4 | water cooling | 0.75 | 1000 | 4 | 70.73553026 | 1333.333333 | 6 | 336 | 142 | 240 | non-insulation | Aluminium sheet | white porcelain | 18.8 |
| RFM | 0.75-1000-6 | water cooling | 0.75 | 1000 | 6 | 47.15702018 | 1333.333333 | 6 | 336 | 142 | 240 | non-insulation | Aluminium sheet | white porcelain | 18.3 |
| RFM | 0.75-1000-6(2) | water cooling | 0.75 | 1000 | 6 | 47.15702018 | 1333.333333 | 6 | 336 | 142 | 240 | Insulation | Aluminium sheet | white porcelain | 19.0 |
| RFM | 0.75-1000-8 | water cooling | 0.75 | 1000 | 8 | 35.36776513 | 1333.333333 | 6 | 336 | 142 | 220 | Insulation | Aluminium sheet | white porcelain | 17.5 |
| RFM | 0.75-1000-8(2) | water cooling | 0.75 | 1000 | 8 | 35.36776513 | 1333.333333 | 6 | 336 | 142 | 210 | non-insulation | Aluminium sheet | white porcelain | 16.3 |
| RFM | 0.75-1000-10 | water cooling | 0.75 | 1000 | 10 | 28.29421211 | 1333.333333 | 6 | 336 | 142 | 210 | non-insulation | Aluminium sheet | white porcelain | 16.5 |
| RFM | 0.75-1000-11(2) | water cooling | 0.75 | 1000 | 11 | 25.722011 | 1333.333333 | 6 | 336 | 142 | 220 | Insulation | Aluminium sheet | white porcelain | 18.8 |
| RFM | 0.75-1500-1(9) | water cooling | 0.75 | 1500 | 1 | 424.4131816 | 2000 | 8 | 440 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 37.5 |
| RFM | 0.75-1500-1.5(9) | water cooling | 0.75 | 1500 | 1.5 | 282.9421211 | 2000 | 8 | 336 | 166 | 365 | non-insulation | Aluminium sheet | white porcelain | 30.3 |
| RFM | 0.75-1500-2 | water cooling | 0.75 | 1500 | 2 | 212.2065908 | 2000 | 8 | 336 | 166 | 300 | non-insulation | Aluminium sheet | white porcelain | 25.5 |
| RFM | 0.75-1500-2.5 | water cooling | 0.75 | 1500 | 2.5 | 169.7652726 | 2000 | 8 | 336 | 142 | 340 | non-insulation | Aluminium sheet | white porcelain | 24.8 |
| RFM | 0.75-1500-3(2) | water cooling | 0.75 | 1500 | 3 | 141.4710605 | 2000 | 8 | 336 | 142 | 285 | non-insulation | Aluminium sheet | white porcelain | 21.5 |
| RFM | 0.75-1500-4(3) | water cooling | 0.75 | 1500 | 4 | 106.1032954 | 2000 | 8 | 336 | 142 | 260 | non-insulation | Aluminium sheet | white porcelain | 22.0 |
| RFM | 0.75-1500-6(3) | water cooling | 0.75 | 1500 | 6 | 70.73553026 | 2000 | 8 | 336 | 142 | 240 | non-insulation | Aluminium sheet | white porcelain | 20.6 |
| RFM | 0.75-2000-0.5 | water cooling | 0.75 | 2000 | 0.5 | 1131.768484 | 2666.666667 | 12 | 440 | 210 | 560 | non-insulation | Aluminium sheet | white porcelain | 74.3 |
| RFM | 0.75-2000-1(2) | water cooling | 0.75 | 2000 | 1 | 565.8842421 | 2666.666667 | 10 | 440 | 207 | 410 | non-insulation | Aluminium sheet | white porcelain | 53.3 |
| RFM | 0.75-2000-1(3) | water cooling | 0.75 | 2000 | 1 | 565.8842421 | 2666.666667 | 10 | 390 | 205 | 415 | non-insulation | Aluminium sheet | white porcelain | 47.9 |
| RFM | 0.75-2000-1(9) | water cooling | 0.75 | 2000 | 1 | 565.8842421 | 2666.666667 | 10 | 440 | 166 | 465 | non-insulation | Aluminium sheet | white porcelain | 49.8 |
| RFM | 0.75-2000-1.5(9) | water cooling | 0.75 | 2000 | 1.5 | 377.2561614 | 2666.666667 | 10 | 440 | 166 | 365 | non-insulation | Aluminium sheet | white porcelain | 39.6 |
| RFM | 0.75-2000-2 | water cooling | 0.75 | 2000 | 2 | 282.9421211 | 2666.666667 | 10 | 440 | 166 | 300 | non-insulation | Aluminium sheet | white porcelain | 33.1 |
| RFM | 0.75-2000-2.5(9) | water cooling | 0.75 | 2000 | 2.5 | 226.3536968 | 2666.666667 | 10 | 440 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 37.0 |
| RFM | 1.0-1000-0.5 | water cooling | 1 | 1000 | 0.5 | 318.3098862 | 1000 | 6 | 440 | 166 | 340 | non-insulation | Aluminium sheet | white porcelain | 35.1 |
| RFM | 1.0-1000-1 | water cooling | 1 | 1000 | 1 | 159.1549431 | 1000 | 4 | 336 | 142 | 325 | non-insulation | Aluminium sheet | white porcelain | 22.3 |
| RFM | 1.0-1000-1(2) | water cooling | 1 | 1000 | 1 | 159.1549431 | 1000 | 6 | 336 | 142 | 295 | non-insulation | Aluminium sheet | white porcelain | 20.8 |
| RFM | 1.0-1400-1 | water cooling | 1 | 1400 | 1 | 222.8169203 | 1400 | 6 | 336 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 28.0 |
| RFM | 1.0-2000-0.5(2) | water cooling | 1 | 2000 | 0.5 | 636.6197724 | 2000 | 8 | 440 | 207 | 440 | non-insulation | Aluminium sheet | white porcelain | 56.5 |
| RFM | 1.0-2000-0.7 | water cooling | 1 | 2000 | 0.7 | 454.7284088 | 2000 | 8 | 440 | 166 | 465 | non-insulation | Aluminium sheet | white porcelain | 47.8 |
| RFM | 1.0-2000-1 | water cooling | 1 | 2000 | 1 | 318.3098862 | 2000 | 8 | 440 | 166 | 350 | non-insulation | Aluminium sheet | white porcelain | 36.8 |
| RFM | 1.2-1000-1 | water cooling | 1.2 | 1000 | 1 | 110.524266 | 833.3333333 | 4 | 336 | 142 | 300 | non-insulation | Aluminium sheet | white porcelain | 20.6 |
| RFM | 1.2-1200-0.7 | water cooling | 1.2 | 1200 | 0.7 | 189.4701703 | 1000 | 6 | 440 | 166 | 300 | non-insulation | Aluminium sheet | white porcelain | 30.6 |
| RFM | 1.2-1400-0.7 | water cooling | 1.2 | 1400 | 0.7 | 221.0485321 | 1166.666667 | 6 | 440 | 166 | 325 | non-insulation | Aluminium sheet | white porcelain | 33.1 |
| RFM | 1.2-2000-0.5 | water cooling | 1.2 | 2000 | 0.5 | 442.0970641 | 1666.666667 | 8 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 54.5 |
| RFM | 1.2-2000-0.7(4) | water cooling | 1.2 | 2000 | 0.7 | 315.7836172 | 1666.666667 | 8 | 440 | 166 | 420 | non-insulation | Aluminium sheet | white porcelain | 43.4 |
| RFM | 1.2-2000-1(3) | water cooling | 1.2 | 2000 | 1 | 221.0485321 | 1666.666667 | 8 | 440 | 166 | 325 | non-insulation | Aluminium sheet | white porcelain | 33.7 |
| RFM | 1.4-2000-0.5 | water cooling | 1.4 | 2000 | 0.5 | 324.8060063 | 1428.571429 | 8 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 53.7 |
| RFM | 1.4-2000-0.7 | water cooling | 1.4 | 2000 | 0.7 | 232.0042902 | 1428.571429 | 6 | 440 | 166 | 415 | non-insulation | Aluminium sheet | white porcelain | 41.3 |
| RFM | 1.5-1000-1 | water cooling | 1.5 | 1000 | 1 | 70.73553026 | 666.6666667 | 6 | 336 | 142 | 340 | non-insulation | Aluminium sheet | white porcelain | 22.7 |
| RFM | 1.5-1000-2.5 | water cooling | 1.5 | 1000 | 2.5 | 28.29421211 | 666.6666667 | 4 | 336 | 166 | 240 | non-insulation | Aluminium sheet | white porcelain | 18.1 |
| RFM | 1.5-2000-0.5 | water cooling | 1.5 | 2000 | 0.5 | 282.9421211 | 1333.333333 | 6 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 51.7 |
| RFM | 1.5-2000-0.7 | water cooling | 1.5 | 2000 | 0.7 | 202.101515 | 1333.333333 | 6 | 440 | 166 | 410 | non-insulation | Aluminium sheet | white porcelain | 40.3 |
| RFM | 1.5-2000-1 | water cooling | 1.5 | 2000 | 1 | 141.4710605 | 1333.333333 | 6 | 440 | 166 | 300 | non-insulation | Aluminium sheet | white porcelain | 30.5 |
| RFM | 1.5-2500-2.5(2) | water cooling | 1.5 | 2500 | 2.5 | 70.73553026 | 1666.666667 | 8 | 440 | 142 | 400 | non-insulation | Aluminium sheet | white porcelain | 33.6 |
| RFM | 1.5-3000-1(2) | water cooling | 1.5 | 3000 | 1 | 212.2065908 | 2000 | 8 | 440 | 166 | 430 | non-insulation | Aluminium sheet | white porcelain | 43.3 |
| RFM | 1.5-4000-1(3) | water cooling | 1.5 | 4000 | 1 | 282.9421211 | 2666.666667 | 10 | 440 | 207 | 410 | non-insulation | Aluminium sheet | white porcelain | 51.4 |
| RFM | 1.6-2000-0.5(8) | water cooling | 1.6 | 2000 | 0.5 | 248.6795986 | 1250 | 6 | 390 | 205 | 430 | non-insulation | Aluminium sheet | white porcelain | 45.2 |
| RFM | 1.7-2000-0.5 | water cooling | 1.7 | 2000 | 0.5 | 220.2836583 | 1176.470588 | 6 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 51.8 |
| RFM | 1.7-2260-0.5(4) | forced-air cooling | 1.7 | 2260 | 0.5 | 248.9205338 | 1329.411765 | 6 | 390 | 205 | 445 | Insulation | Aluminium sheet | white porcelain | 49.8 |
| RFM | 1.8-3000-1 | water cooling | 1.8 | 3000 | 1 | 147.365688 | 1666.666667 | 8 | 440 | 166 | 436 | non-insulation | Aluminium sheet | white porcelain | 43.1 |
| RFM | 2.5-2000-1(3) | water cooling | 2.5 | 2000 | 1 | 50.92958179 | 800 | 1 | 390 | 178 | 330 | Insulation | Aluminium sheet | white porcelain | 31.6 |
| RFM | 2.5-4000-1 | water cooling | 2.5 | 4000 | 1 | 101.8591636 | 1600 | 1 | 390 | 175 | 485 | Insulation | Aluminium sheet | Black porcelain | 44.4 |
| RFM | 2.5-4850-1.5 | water cooling | 2.5 | 4850 | 1.5 | 82.34 | 1940 | 1 | 440 | 170 | 500 | Insulation | Aluminium sheet | white porcelain | 51.9 |
| RFM | 3.0-3000-1(2) | water cooling | 3 | 3000 | 1 | 53.0516477 | 1000 | 1 | 391 | 176 | 355 | Insulation | Patterned aluminum sheet | Black porcelain | 32.5 |
| RFM | 3.0-3500-1(3) | water cooling | 3 | 3500 | 1 | 61.89358898 | 1166.666667 | 1 | 391 | 176 | 405 | Insulation | Patterned aluminum sheet | Black porcelain | 36.6 |
| RFM | 3.0-4000-1 | water cooling | 3 | 4000 | 1 | 70.73553026 | 1333.333333 | 1 | 390 | 178 | 500 | Insulation | Aluminium sheet | Black porcelain | 46.3 |
| RFM | 3.0-5000-1(2) | water cooling | 3 | 5000 | 1 | 88.41941283 | 1666.666667 | 8 | 441 | 167 | 535 | Insulation | Patterned aluminum sheet | Black porcelain | 51.4 |
| RFM | 3.0-13400-1.2 | water cooling | 3 | 13400 | 1.2 | 197.470022 | 4466.666667 | 2 | 560 | 218 | 775 | Insulation | Aluminium sheet | Black porcelain | 130.2 |
| RFM | 3.05-8682-0.7 | water cooling | 3.05 | 8682 | 0.7 | 212.1984437 | 2846.557377 | 2 | 559 | 203 | 711 | Insulation | Patterned aluminum sheet | Black porcelain | 103.5 |
| RFM | 3.2-4500-1 | water cooling | 3.2 | 4500 | 1 | 69.9411371 | 1406.25 | 6 | 391 | 167 | 530 | Insulation | Patterned aluminum sheet | Black porcelain | 45.5 |
| RFM | 3.2-5000-0.6 | water cooling | 3.2 | 5000 | 0.6 | 129.5206243 | 1562.5 | 6 | 441 | 215 | 590 | Insulation | Patterned aluminum sheet | Black porcelain | 70.2 |
| RFM | 3.2-6000-0.5 | water cooling | 3.2 | 6000 | 0.5 | 186.5096989 | 1875 | 8 | 441 | 208 | 715 | Insulation | Patterned aluminum sheet | Black porcelain | 81.8 |
| RFM | 3.2-6000-0.7 | water cooling | 3.2 | 6000 | 0.7 | 133.2212135 | 1875 | 8 | 441 | 208 | 540 | Insulation | Patterned aluminum sheet | Black porcelain | 62.8 |
| RFM | 3.5-3000-1 | water cooling | 3.5 | 3000 | 1 | 38.98 | 857 | 1 | 440 | 170 | 420 | Insulation | Aluminium sheet | white porcelain | 42.6 |
| RFM | 3.5-5000-0.5 | water cooling | 3.5 | 5000 | 0.5 | 129.9224025 | 1428.571429 | 6 | 441 | 215 | 755 | Insulation | Patterned aluminum sheet | Black porcelain | 93.8 |
| RFM | 3.6-5000-0.5 | water cooling | 3.6 | 5000 | 0.5 | 122.80474 | 1388.888889 | 6 | 441 | 215 | 660 | Insulation | Patterned aluminum sheet | Black porcelain | 82.6 |
| RFM | 3.6-5000-1 | water cooling | 3.6 | 5000 | 1 | 61.40237002 | 1388.888889 | 6 | 441 | 176 | 435 | Insulation | Patterned aluminum sheet | Black porcelain | 47.2 |
| RFM | 3.6-6000-1 | water cooling | 3.6 | 6000 | 1 | 73.68284402 | 1666.666667 | 1 | 440 | 218 | 560 | Insulation | Aluminium sheet | white porcelain | 69.6 |
| RFM | 1.2-2000-0.5(13) | water cooling | 1.2 | 2000 | 0.5 | 442.0970641 | 1666.666667 | 8 | 440 | 207 | 436 | non-insulation | Aluminium sheet | white porcelain | 54.4 |
| RFM | 1.4-2000-0.5(8) | water cooling | 1.4 | 2000 | 0.5 | 324.8060063 | 1428.571429 | 1 | 390 | 205 | 440 | Insulation | Aluminium sheet | white porcelain | 47.3 |
| RFM | 1.5-2000-0.5(3) | water cooling | 1.5 | 2000 | 0.5 | 282.9421211 | 1333.333333 | 1 | 390 | 205 | 405 | Insulation | Aluminium sheet | white porcelain | 43.9 |
| RFM | 1.5-3000-0.5(2) | water cooling | 1.5 | 3000 | 0.5 | 424.4131816 | 2000 | 1 | 391 | 206 | 525 | Insulation | Patterned aluminum sheet | Black porcelain | 56.4 |
| RFM | 1.6-2000-0.25(8) | water cooling | 1.6 | 2000 | 0.25 | 497.3591972 | 1250 | 6 | 390 | 205 | 680 | non-insulation | Aluminium sheet | white porcelain | 71.3 |
| RFM | 1.7-1500-0.15 | forced-air cooling | 1.7 | 1500 | 0.15 | 550.7091456 | 882.3529412 | 4 | 440 | 205 | 635 | Insulation | Aluminium sheet | white porcelain | 76.0 |
| RFM | 1.7-1500-0.25(8) | water cooling | 1.7 | 1500 | 0.25 | 330.4254874 | 882.3529412 | 4 | 390 | 205 | 615 | non-insulation | Aluminium sheet | white porcelain | 62.5 |
| RFM | 1.7-2260-0.5(8) | water cooling | 1.7 | 2260 | 0.5 | 248.9205338 | 1329.411765 | 6 | 390 | 205 | 430 | non-insulation | Aluminium sheet | white porcelain | 46.2 |
| RFM | 2.2-2000-0.5(3) | water cooling | 2.2 | 2000 | 0.5 | 131.5330108 | 909.0909091 | 6 | 330 | 165 | 775 | non-insulation | Aluminium sheet | white porcelain | 54.0 |
| RFM | 2.5-2000-0.3(8) | water cooling | 2.5 | 2000 | 0.3 | 169.7652726 | 800 | 4 | 390 | 205 | 640 | non-insulation | Aluminium sheet | white porcelain | 63.2 |
| RFM | 2.5-2000-0.5 | water cooling | 2.5 | 2000 | 0.5 | 101.8591636 | 800 | 1 | 390 | 205 | 390 | Insulation | Aluminium sheet | white porcelain | 39.6 |
| RFM | 2.5-4000-0.5 | water cooling | 2.5 | 4000 | 0.5 | 203.7183272 | 1600 | 1 | 391 | 206 | 600 | Insulation | Patterned aluminum sheet | Black porcelain | 61.0 |
| RFM | 2.5-4500-0.3 | water cooling | 2.5 | 4500 | 0.3 | 381.9718634 | 1800 | 1 | 320 | 302 | 910 | Insulation | Aluminium sheet | Black porcelain | 112.0 |
| RFM | 2.8-5000-0.5 | water cooling | 2.8 | 5000 | 0.5 | 203.0037539 | 1785.714286 | 1 | 391 | 206 | 760 | Insulation | Patterned aluminum sheet | Black porcelain | 75.8 |
| RFM | 2.8-6000-0.5 | water cooling | 2.8 | 6000 | 0.5 | 243.6045047 | 2142.857143 | 1 | 391 | 206 | 815 | Insulation | Patterned aluminum sheet | Black porcelain | 82.5 |
| RFM | 3.0-3000-0.5(2) | water cooling | 3 | 3000 | 0.5 | 106.1032954 | 1000 | 1 | 390 | 205 | 500 | Insulation | Aluminium sheet | Black porcelain | 49.8 |
| RFM | 3.0-4000-0.5 | water cooling | 3 | 4000 | 0.5 | 141.4710605 | 1333.333333 | 1 | 391 | 206 | 555 | Insulation | Patterned aluminum sheet | Black porcelain | 56.2 |
| RFM | 3.0-5000-0.5 | water cooling | 3 | 5000 | 0.5 | 176.8 | 1667 | 1 | 561 | 221 | 530 | Insulation | Patterned aluminum sheet | Black porcelain | 81.1 |
| RFM | 3.2-4000-0.5(4) | water cooling | 3.2 | 4000 | 0.5 | 124.3397993 | 1250 | 1 | 391 | 167 | 660 | Insulation | Patterned aluminum sheet | Black porcelain | 54.5 |
| RFM | 3.2-5000-0.5(12) | water cooling | 3.2 | 5000 | 0.5 | 155.4247491 | 1562.5 | 8 | 441 | 215 | 720 | Insulation | Patterned aluminum sheet | Black porcelain | 84.0 |
| RFM | 3.3-6360-0.7 | water cooling | 3.3 | 6360 | 0.7 | 132.8 | 1927.27 | 1 | 561 | 211 | 720 | Insulation | Aluminium sheet | Black porcelain | 110.5 |
| RFM | 3.3-7700-0.5 | water cooling | 3.3 | 7700 | 0.5 | 225.07 | 2333.3 | 1 | 561 | 211 | 890 | Insulation | Patterned aluminum sheet | Black porcelain | 136.8 |
| RFM | 2.5-5000-0.5 | water cooling | 2.5 | 5000 | 0.5 | 254.6479089 | 2000 | 1 | 559 | 203 | 560 | Insulation | Patterned aluminum sheet | Black porcelain | 81.6 |
| RAM | 2.5-6000-0.3 | water cooling | 2.5 | 6000 | 0.3 | 509.2958179 | 2400 | 2 | 559 | 203 | 787 | Insulation | Patterned aluminum sheet | Black porcelain | 112.2 |
| RAM | 2.5-6000-0.5 | water cooling | 2.5 | 6000 | 0.5 | 305.5774907 | 2400 | 1 | 559 | 175 | 665 | Insulation | Patterned aluminum sheet | Black porcelain | 83.7 |
| RAM | 3.0-5000-0.5(2) | water cooling | 3 | 5000 | 0.5 | 176.8388257 | 1666.666667 | 1 | 559 | 191 | 625 | Insulation | Patterned aluminum sheet | Black porcelain | 90.4 |
| RAM | 3.0-6000-0.3(2) | water cooling | 3 | 6000 | 0.3 | 353.6776513 | 2000 | 2 | 559 | 191 | 787 | Insulation | Patterned aluminum sheet | Black porcelain | 104.8 |
| RAM | 3.0-6000-0.5(6) | water cooling | 3 | 6000 | 0.5 | 212.2065908 | 2000 | 2 | 559 | 203 | 591 | Insulation | Patterned aluminum sheet | Black porcelain | 83.5 |
| RAM | 3.0-7500-0.3 | water cooling | 3 | 7500 | 0.3 | 442.0970641 | 2500 | 1 | 559 | 203 | 940 | Insulation | Patterned aluminum sheet | Black porcelain | 129.2 |
| RAM | 3.2-5000-0.3 | water cooling | 3.2 | 5000 | 0.3 | 259.0412485 | 1562.5 | 2 | 559 | 191 | 711 | Insulation | Patterned aluminum sheet | Black porcelain | 94.3 |
| RAM | 3.2-5000-0.5(2) | water cooling | 3.2 | 5000 | 0.5 | 155.4247491 | 1562.5 | 1 | 559 | 191 | 545 | Insulation | Patterned aluminum sheet | Black porcelain | 78.9 |
| RAM | 3.2-7000-0.5 | water cooling | 3.2 | 7000 | 0.5 | 217.5946488 | 2187.5 | 1 | 559 | 203 | 690 | Insulation | Patterned aluminum sheet | Black porcelain | 105.1 |
| RAM | 3.4-7000-0.5 | water cooling | 3.4 | 7000 | 0.5 | 192.748201 | 2058.823529 | 1 | 559 | 203 | 780 | Insulation | Patterned aluminum sheet | Black porcelain | 117.2 |
| RAM | 3.5-5200-0.5 | water cooling | 3.5 | 5200 | 0.5 | 135.1192986 | 1485.714286 | 1 | 559 | 175 | 630 | Insulation | Patterned aluminum sheet | Black porcelain | 80.1 |
| RAM | 3.5-6000-0.5(2) | water cooling | 3.5 | 6000 | 0.5 | 155.906883 | 1714.285714 | 2 | 559 | 203 | 591 | Insulation | Patterned aluminum sheet | Black porcelain | 88.4 |
| RAM | 3.6-6000-0.5 | water cooling | 3.6 | 6000 | 0.5 | 147.365688 | 1666.666667 | 1 | 559 | 203 | 655 | Insulation | Patterned aluminum sheet | Black porcelain | 94.5 |
| RFM | 3.8-7500-0.5 | water cooling | 3.8 | 7500 | 0.5 | 165.327157 | 1973.684211 | 1 | 559 | 203 | 845 | Insulation | Patterned aluminum sheet | Black porcelain | 121.8 |
| RAM | 4.2-5000-0.3 | water cooling | 4.2 | 5000 | 0.3 | 150.3731511 | 1190.47619 | 1 | 559 | 203 | 711 | Insulation | Patterned aluminum sheet | Black porcelain | 101.7 |
| RFM | 4.0-0.12-40 | water cooling | 4 | 483 | 40 | 0.120112246 | 120.75 | 1 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 5.4 |
| RFM | 4.0-483-40(2) | water cooling | 4 | 483 | 40 | 0.120112246 | 120.75 | 1 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 5.4 |
| RFM | 4.0-0.22-30 | water cooling | 4 | 664 | 30 | 0.220276008 | 166 | 1 | 210 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 6.3 |
| RFM | 4.0-691-23 | water cooling | 4 | 691 | 23 | 0.3 | 172.75 | 1 | 210 | 130 | 160 | Insulation | Aluminium sheet | white porcelain | 7.1 |
| RFM | 4.0-694-23(2) | water cooling | 4 | 694 | 23 | 0.300145463 | 173.5 | 1 | 210 | 130 | 160 | Insulation | Aluminium sheet | white porcelain | 7.2 |
| RFM | 4.0-700-40 | water cooling | 4 | 700 | 40 | 0.174075719 | 175 | 2 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 5.9 |
| RFM | 4.0-0.18-40 | water cooling | 4 | 724 | 40 | 0.18013535 | 181 | 1 | 210 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 6.7 |
| RFM | 4.0-803-40 | water cooling | 4 | 803 | 40 | 0.2 | 201 | 2 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 6.2 |
| RFM | 4.0-0.3-30 | water cooling | 4 | 905 | 30 | 0.300225584 | 226.25 | 1 | 210 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 6.4 |
| RFM | 4.0-0.18-50 | water cooling | 4 | 905 | 50 | 0.18 | 226.25 | 1 | 210 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 7.0 |
| RFM | 4.0-965-40 | water cooling | 4 | 965 | 40 | 0.239975813 | 241.25 | 2 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 5.9 |
| RFM | 4.0-0.2-50 | water cooling | 4 | 1005 | 50 | 0.200039809 | 251.25 | 1 | 210 | 120 | 175 | Insulation | Aluminium sheet | white porcelain | 6.7 |
| RFM | 4.0-0.34-30 | water cooling | 4 | 1025 | 30 | 0.340034501 | 256.25 | 1 | 290 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 8.4 |
| RFM | 4.0-0.4-30(3) | water cooling | 4 | 1206 | 30 | 0.399876795 | 301.5 | 1 | 170 | 126 | 150 | Insulation | Aluminium sheet | white porcelain | 5.7 |
| RFM | 4.0-0.42-30 | water cooling | 4 | 1267 | 30 | 0.420315817 | 316.75 | 1 | 303 | 120 | 160 | Insulation | Aluminium sheet | white porcelain | 8.9 |
| RFM | 4.0-0.24×2-30 | water cooling | 4 | 1447 | 30 | 0.48 | 361.75 | 2 | 260 | 120 | 110 | Insulation | Aluminium sheet | white porcelain | 6.1 |
| RFM | 4.0-0.48-30 | water cooling | 4 | 1448 | 30 | 0.480360934 | 362 | 1 | 290 | 120 | 175 | Insulation | Aluminium sheet | white porcelain | 9.1 |
| RFM | 4.0-0.56-30 | water cooling | 4 | 1689 | 30 | 0.56 | 422.25 | 1 | 200 | 120 | 150 | Insulation | Aluminium sheet | white porcelain | 7.1 |
| RFM | 4.0-0.6-30 | water cooling | 4 | 1810 | 30 | 0.600451168 | 452.5 | 1 | 303 | 120 | 180 | Insulation | Aluminium sheet | white porcelain | 10.3 |
| RFM | 4.0-0.625-30 | water cooling | 4 | 1885 | 30 | 0.625 | 471.25 | 1 | 250 | 120 | 175 | Insulation | Aluminium sheet | white porcelain | 9.3 |
| RFM | 4-0.32×2-30 | water cooling | 4 | 1930 | 30 | 0.64 | 482.5 | 2 | 260 | 120 | 110 | Insulation | Aluminium sheet | white porcelain | 6.1 |
| RFM | 4.0-2011-20(2) | water cooling | 4 | 2011 | 20 | 1 | 502.75 | 1 | 250 | 126 | 220 | Insulation | Aluminium sheet | white porcelain | 12.6 |
| RFM | 4.0-2170-30(4) | water cooling | 4 | 2170 | 30 | 0.719844545 | 542.75 | 1 | 303 | 126 | 165 | Insulation | Aluminium sheet | white porcelain | 10.9 |
| RFM | 4.0-0.72-30(3) | water cooling | 4 | 2171 | 30 | 0.719844545 | 542.75 | 1 | 210 | 126 | 175 | Insulation | Aluminium sheet | white porcelain | 8.5 |
| RFM | 4.0-0.75-30 | water cooling | 4 | 2262 | 30 | 0.750398089 | 565.5 | 1 | 250 | 120 | 180 | non-Insulation | Aluminium sheet | white porcelain | 8.6 |
| RFM | 4.0-0.8-30(2) | water cooling | 4 | 2413 | 30 | 0.800085162 | 603.25 | 1 | 210 | 126 | 180 | Insulation | Aluminium sheet | white porcelain | 8.8 |
| RFM | 4.0-0.84-30 | water cooling | 4 | 2533 | 30 | 0.840299894 | 633.25 | 1 | 303 | 126 | 220 | Insulation | Aluminium sheet | white porcelain | 12.5 |
| RFM | 4.0-0.68-40 | water cooling | 4 | 2734 | 40 | 0.680234873 | 683.5 | 1 | 303 | 126 | 210 | Insulation | Aluminium sheet | white porcelain | 12.1 |
| RFM | 4.0-2894-30(2) | water cooling | 4 | 2894 | 30 | 0.959903251 | 723.75 | 1 | 303 | 126 | 185 | Insulation | Aluminium sheet | white porcelain | 11.6 |
| RFM | 4.0-0.96-30 | water cooling | 4 | 2895 | 30 | 0.96 | 723.75 | 1 | 303 | 126 | 220 | Insulation | Aluminium sheet | white porcelain | 13.9 |
| RFM | 4.0-1-30(2) | water cooling | 4 | 3016 | 30 | 1 | 754 | 2 | 303 | 126 | 170 | Insulation | Aluminium sheet | white porcelain | 11.5 |
| RFM | 4.0-1.2-30 | water cooling | 4 | 3619 | 30 | 1.2 | 904.75 | 1 | 303 | 150 | 210 | Insulation | Aluminium sheet | white porcelain | 16.2 |
| RFM | 4.0-1.5-30 | water cooling | 4 | 4524 | 30 | 1.5 | 1131 | 1 | 336 | 150 | 220 | Insulation | Aluminium sheet | white porcelain | 19.6 |
| RFM | 4.0-2-30 | water cooling | 4 | 6032 | 30 | 2 | 1508 | 1 | 336 | 126 | 350 | Insulation | Aluminium sheet | white porcelain | 24.6 |
| RFM | 8.0-0.06-300 | water cooling | 8 | 7238 | 300 | 0.06 | 900 | 2 | 336 | 166 | 395 | Insulation | Aluminium sheet | Black porcelain | 34.0 |
Frequently Asked Questions (FAQ)
Q: What are series resonant capacitors used for?
A: They are used in high-power Medium Frequency Induction Furnaces for Silicon Melting or steel melting, driving the induction heating load at its natural resonant frequency.
Q: Why are water-cooled film capacitors preferred in induction heating systems?
A: Because they can handle high operating currents. Water cooling helps mitigate dielectric losses and connection losses that generate a considerable amount of heat.
Q: What are the key features of Flair water-cooled capacitors?
A: They feature brass terminals brazed with copper tubes & insulating bushings, pressure switches for internal pressure control, all-film dielectric with high-quality impregnating oil, and textured Mg-Al alloy plate cases.
Q: How is the quality of these induction heating capacitors guaranteed?
A: Quality is guaranteed through fully-automatic winding machine tests, intermediate tests during welding and assembly, vacuum impregnation, leakage tests, capacitance measurement, loss factor tests, and dielectric tests.
Q: What role do DC filter capacitors play in an induction heating system?
A: DC Filter capacitors work as energy storage components as well as filtering parts in the DC circuit to address harmonic currents and power loss, improving overall efficiency.




