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Ultra-High Frequency Capacitors for Induction Heating - China Suppliers and Factory Offering 30kHz to 300kHz Solutions
What is ultra high frequency capacitor?
The capacitor frequency 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, for heating the surface of workpiece at ultra-high frequency, so as to heat the surface temperature rise 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(uF) | 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 | 4.0-0.24x2-30 | 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 | 4-0.32x2-30 | 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. cooing 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. solering 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
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Personalized Induction heater capacitor
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High-capacity water cooled capacitor
DC filter water cooled capacitor
Frequently Asked Questions (FAQ)
What frequencies are ultra high frequency capacitors designed for?
Ultra high frequency capacitors are designed for frequencies as high as 30khz, 40khz, 50khz, and even up to 300khz to meet the requirements of ultra-high induction heating machines.
What is the main application of an ultra-high frequency induction machine?
It is typically used for the industrial quenching of metal part surfaces. It heats the workpiece surface to 800-1000 degrees in a few seconds using a specific eddy-current to achieve fast quenching.
What are the primary technical features of these induction heating capacitors?
Key features include a maximum rated voltage of 8K VAC, a rated frequency of up to 300 KHZ, degradable non-PCB insulation soaking oil, an all-film medium, and a water-cooling system.
Why are ultra-sonic frequency induction heating power capacitors popular in melting processes?
They are widely used in induction heating and melting processes to increase the system's power factor and decrease overall energy consumption.
What type of cooling method and medium do these capacitors use?
These capacitors utilize a water-cooling method and are designed with an all-film medium to ensure stable operation under high-frequency conditions.