What is ultra high frequency capacitor?
The capacitor frequency is designed as high as 30khz, 40khz, 50khz, even 300khz, to meet the ultra-high induction heating machine needs.
What is ultra-high frequency induction machine?
Ultra-high frequency induction machine is usually used for the industrial metal parts surface quenching. It is an induction heat technique that generates a specific eddy-current to the workpiece surface, heating the surface of workpiece at ultra-high frequency, so as to raise the surface temperature to 800-1000 degrees in a few seconds, achieving fast quenching.
Ultra-sonic frequency induction heating power capacitors are popularly used in induction heating & melting processes to increase power factor and decrease energy consumption. The power capacitor is usually designed with a whole-film medium.
Technical Features
1
Rated voltage: Max 8K VAC
2
Rated frequency: 300 KHZ
3
Soaking oil: Degradable Insulation oil, Non-PCB
4
Medium: All-film
5
Water-cooling method
6
Increase power factor and decrease energy consumption
Reference Datasheet
Ultra-sonic frequency induction heating capacitor (AC Water-cooled capacitor)
| Model | Specification | Voltage | Capacity | Frequency | Capacitance | Current | Tab Nos | Dimension (mm) | Capacitor Shell | Weight | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KVAC | Kvar | kHz | microfarad(μF) | A | Length | Width | Height | Feature | kg/pc | |||
| RFM | 4.0-0.12-40 | 4 | 483 | 40 | 0.12 | 120.75 | 1 | 170 | 126 | 150 | Insulation | 5 |
| RFM | 4.0-483-40(2) | 4 | 483 | 40 | 0.12 | 120.75 | 1 | 170 | 126 | 150 | Insulation | 5 |
| RFM | 4.0-0.22-30 | 4 | 664 | 30 | 0.22 | 166 | 1 | 210 | 120 | 160 | Insulation | 6.3 |
| RFM | 4.0-691-23 | 4 | 691 | 23 | 0.3 | 172.75 | 1 | 210 | 130 | 160 | Insulation | 7 |
| RFM | 4.0-694-23(2) | 4 | 694 | 23 | 0.3 | 173.5 | 1 | 210 | 130 | 160 | Insulation | 7 |
| RFM | 4.0-700-40 | 4 | 700 | 40 | 0.174 | 175 | 2 | 170 | 126 | 150 | Insulation | 6 |
| RFM | 4.0-0.18-40 | 4 | 724 | 40 | 0.18 | 181 | 1 | 210 | 120 | 160 | Insulation | 6.7 |
| RFM | 4.0-803-40 | 4 | 803 | 40 | 0.2 | 201 | 2 | 170 | 126 | 150 | Insulation | 6.2 |
| RFM | 4.0-0.3-30 | 4 | 905 | 30 | 0.3 | 226.25 | 1 | 210 | 120 | 160 | Insulation | 6.4 |
| RFM | 4.0-0.18-50 | 4 | 905 | 50 | 0.18 | 226.25 | 1 | 210 | 120 | 160 | Insulation | 7.0 |
| RFM | 4.0-965-40 | 4 | 965 | 40 | 0.23 | 241.25 | 2 | 170 | 126 | 150 | Insulation | 5.9 |
| RFM | 4.0-0.2-50 | 4 | 1005 | 50 | 0.2 | 251.25 | 1 | 210 | 120 | 175 | Insulation | 6.7 |
| RFM | 4.0-0.34-30 | 4 | 1025 | 30 | 0.34 | 256.25 | 1 | 290 | 120 | 160 | Insulation | 8.4 |
| RFM | 4.0-0.4-30(3) | 4 | 1206 | 30 | 0.39 | 301.5 | 1 | 170 | 126 | 150 | Insulation | 5.7 |
| RFM | 4.0-0.42-30 | 4 | 1267 | 30 | 0.42 | 316.75 | 1 | 303 | 120 | 160 | Insulation | 8.9 |
| RFM | 4.0-0.24×2-30 | 4 | 1447 | 30 | 0.48 | 361.75 | 2 | 260 | 120 | 110 | Insulation | 6.1 |
| RFM | 4.0-0.48-30 | 4 | 1448 | 30 | 0.48 | 362 | 1 | 290 | 120 | 175 | Insulation | 9.1 |
| RFM | 4.0-0.56-30 | 4 | 1689 | 30 | 0.56 | 422.25 | 1 | 200 | 120 | 150 | Insulation | 7.1 |
| RFM | 4.0-0.6-30 | 4 | 1810 | 30 | 0.6 | 452.5 | 1 | 303 | 120 | 180 | Insulation | 10.3 |
| RFM | 4.0-0.625-30 | 4 | 1885 | 30 | 0.625 | 471.25 | 1 | 250 | 120 | 175 | Insulation | 9.3 |
| RFM | 4-0.32×2-30 | 4 | 1930 | 30 | 0.64 | 482.5 | 2 | 260 | 120 | 110 | Insulation | 6.1 |
| RFM | 4.0-2011-20(2) | 4 | 2011 | 20 | 1 | 502.75 | 1 | 250 | 126 | 220 | Insulation | 12.6 |
| RFM | 4.0-2170-30(4) | 4 | 2170 | 30 | 0.72 | 542.75 | 1 | 303 | 126 | 165 | Insulation | 10.9 |
| RFM | 4.0-0.72-30(3) | 4 | 2171 | 30 | 0.72 | 542.75 | 1 | 210 | 126 | 175 | Insulation | 8.5 |
| RFM | 4.0-0.75-30 | 4 | 2262 | 30 | 0.75 | 565.5 | 1 | 250 | 120 | 180 | non-Insulation | 8.6 |
| RFM | 4.0-0.8-30(2) | 4 | 2413 | 30 | 0.8 | 603.25 | 1 | 210 | 126 | 180 | Insulation | 8.8 |
| RFM | 4.0-0.84-30 | 4 | 2533 | 30 | 0.84 | 633.25 | 1 | 303 | 126 | 220 | Insulation | 12.5 |
| RFM | 4.0-0.68-40 | 4 | 2734 | 40 | 0.68 | 683.5 | 1 | 303 | 126 | 210 | Insulation | 12.1 |
| RFM | 4.0-2894-30(2) | 4 | 2894 | 30 | 0.96 | 723.75 | 1 | 303 | 126 | 185 | Insulation | 11.6 |
| RFM | 4.0-0.96-30 | 4 | 2895 | 30 | 0.96 | 723.75 | 1 | 303 | 126 | 220 | Insulation | 13.9 |
| RFM | 4.0-1-30(2) | 4 | 3016 | 30 | 1 | 754 | 2 | 303 | 126 | 170 | Insulation | 11.5 |
| RFM | 4.0-1.2-30 | 4 | 3619 | 30 | 1.2 | 904.75 | 1 | 303 | 150 | 210 | Insulation | 16.2 |
| RFM | 4.0-1.5-30 | 4 | 4524 | 30 | 1.5 | 1131 | 1 | 336 | 150 | 220 | Insulation | 19.6 |
| RFM | 4.0-2-30 | 4 | 6032 | 30 | 2 | 1508 | 1 | 336 | 126 | 350 | Insulation | 24.6 |
| RFM | 8.0-0.06-300 | 8 | 7238 | 300 | 0.06 | 900 | 2 | 336 | 166 | 395 | Insulation | 34.0 |
Factory Operation Procedure
1. Capacitor Cases
1. Cooling Water Tubes-1
1. Cooling Water Tubes-2
2. Winding Capacitor Core-1
2. Winding Capacitor Core-2
2. Winding Capacitor Core-3
3. Soldering and Assembly
3. Soldering Core
4. Test of Intermediates
5. Sealing the Case
6. Vacuum Oil Filling Process-1
6. Vacuum Oil Filling Process-2
6. Vacuum Oil Filling Process-3
7. Leak Test
8. Ex-factory Test
9. Packing and Delivery
Flair Solutions
Oil-filled Capacitor
01
Resonant Tank Capacitor
02
Induction Furnace Capacitor Bank Design
03
Mid-frequency Induction Heating Capacitor Banks
04
Resonant Capacitor Bank for Intermediate Frequency Furnace
05
750 VAC Water Cooled Capacitor
06
Custom Power Capacitor 1500Vac-4000Kvar-1000hz
07
Personalized Induction Heater Capacitor
08
Power Capacitor of Intermediate Frequency Furnace
09
Filter Capacitor of Induction Heating System
10Frequently Asked Questions (FAQ)
What frequency ranges can ultra high frequency capacitors support?
These capacitors are engineered to operate at frequencies as high as 30kHz, 40kHz, 50kHz, and up to 300kHz to meet demanding ultra-high induction heating applications.
What is the main role of capacitors in induction heating and melting?
Power capacitors are used in induction heating and melting systems to effectively increase the system's power factor and decrease overall energy consumption.
What cooling method is used for these power capacitors?
They employ an integrated water-cooling method with internal cooling water tubes to manage thermal dissipation during high-frequency operation.
What insulation medium and oil are utilized in the manufacturing?
The capacitors are built using an all-film (whole-film) medium and impregnated with eco-friendly, biodegradable, Non-PCB insulation soaking oil.
How fast can an ultra-high frequency induction machine heat metal parts?
By generating specific eddy-currents on the workpiece surface, it can raise surface temperatures to 800-1000 degrees Celsius in just a few seconds for rapid surface quenching.
What quality inspection steps are taken during the factory operation?
The production process includes intermediate component testing, multi-stage vacuum oil filling, leak testing, and final ex-factory testing before packing and delivery.