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Power Capacitor for Induction Melting Solutions - China Suppliers & Factory for High-Performance Capacitors
Induction furnace will produce reactive power during operation, which is not directly converted into heat or mechanical energy, but being used to maintain the operating conditions of electrical equipment, such as the establishment of electromagnetic fields. Our induction heating capacitor can provide this part of reactive power, so as to optimized the factor of the power system and increase the efficiency of energy utilization.
Brief introduction
Flair offers water cooled capacitor solutions in a wide variety of induction heating applications, like casting, melting, hardening, quenching, heating treatment etc. The electrical configurations mainly designed as below options:
- Pressure switches
- Internal discharge resistors
- insulated case or non-insulated case
- Mounting fixture and installtion method
- cooling water connections, Number of cooling water pipes
- Terminal connections
General Technical Spec
| Rated Voltage range | Up to 8000V |
| Rated Frequency | From 50Hz to 300Khz |
| Rated capacity | Up to 15000Kvar |
| Dielectric | All Film or metallized film |
| Filling material | insulation oil （Non polychlorodiphenyls） |
| Nos of Terminals | Customization |
| Temperature category | -25℃- 50℃ |
| Case material | Aluminum alloy/stainless steel/brass |
| Cooling method | Water cooling/air cooling/natural cooling |
| Capacitor standard | GB/T3984.1-2004/IEC60110-1:1998 |
Technical features of induction heating capacitor:
1. All PP film structure, aluminum foil folding / Metalized film for different designs
2. Biodegradable insulation oil (non-PCB), different impregnation oil applied for all film and metalized film dielectric;
3. Single water tube（Max 10 groups）, double water tube and four water tubes design(2 groups) for options.
4. Insulated shell and non-insulation shell for options
5. liquid-cooled
6. high Kvar: Volt RMS x Amps RMS reactive power
7. Mid-frequency and high frequency available
8. Power losses: 0.10 – 0.40 watts/KVAR typical
9. Voltages: AC RMS sinewave, +10% typical surge AC non-sinusoidal
10. RMS currents: 115% rating current
11. Output cooling water temp: Max 45℃
12. Encapsulation: Low loss insulation oil impregnant
Flair strengths
Flair is to be a technology-based capacitor factory, we pay a great attentation on technology development. We’re commited to make scientific-technical progress for induction heating/melting capacitors. We have invested many sophisticated equipments such as fully-automatic winding machine, vacuum impregnating tank, automatic welders etc. The entire process of product quality are in full control. With powerful productivity, excellent equipment, advanced technology and perfect quality testing system, we sincerely hope to work with you to create more possibilites for electromagnetic induction heatings.
With providing customized solutions for AC power water cooled capacitor, DC-link water cooled capacitors, Air cooled capacitors for medium freqeuency induction heating furnace, we have been accumilated a great many of experiences. Welcome to inquiry us if you in need of intermediate-frequency indcution heating capacitors, ultra-sonic induction heating capacitors, DC filtering capacitors, high voltage capacitors etc. We will make a solution just for you.
Operation Notes:
| working environment | Indoors |
| Altitude Applicable | Less than 1000m |
| Ambient Temperature | -20 /+50℃ |
| Capacitance Tolerance | -5/+10% |
| Maximum Voltage Available | Rated Voltage× 1.05 |
| Maximum Current Available | Rated current× 1.15 |
| Dielectric Materials | polypropylene film |
| Insulating Oil | PXE or M/DBT (Non-PCB) |
| Cooling method | Water cooled/air cooled |
| Cooling Water Quality | Soft water which is free of impurities that with PH value in a range of 6 to 9 |
| Cooling water flow rate | Min Flow rate Capacity(Kvar) • 3L/Min Less than 500Kvar • 6L/Min 500-800Kvar • 8L/Min 800-1500Kvar • 10L/Min More than 2000Kvar |
| Required Water Pressure | About 2.5〜3.5kg/cm2(maximum 10kg/cm2) |
| Required Inlet Water Temperature | No more than 35℃ |
| Required Outlet Water Temperature | No more than 45℃ |
| Capacitor Case Material | Aluminium Alloy / Stainless steel ( Thickness 3mm) |
| Pressure Switch | Normally closed (NC) type OFF 0.08Mpa ON 0.05Mpa |
| Installation Method | Vertically Installed / non-suspended |
| Maximum Tightening Torque | 15N·m |
| Minimum Space Required among Capacitors or other | Minimum 5 cm |
| Connecting Lead | No excessive mechanical stress on terminals |
Frequently Asked Questions (FAQ)
What is the function of the induction heating capacitor in an induction furnace?
An induction furnace produces reactive power during operation to maintain electrical equipment conditions, such as establishing electromagnetic fields. The induction heating capacitor provides this reactive power to optimize the power system factor and increase energy utilization efficiency.
What electrical configurations are available for Flair water-cooled capacitors?
Flair provides configurations including pressure switches, internal discharge resistors, insulated or non-insulated cases, customized mounting fixtures, terminal connections, and various cooling water connections.
What are the general technical specifications for these capacitors?
They support a rated voltage range up to 8000V, rated frequency from 50Hz to 300Khz, and rated capacity up to 15000Kvar. The filling material used is non-PCB insulation oil, and the temperature category is -25℃ to 50℃.
What are the requirements for cooling water during operation?
The cooling water must be soft water free of impurities with a PH value between 6 and 9. The inlet water temperature must not exceed 35℃, and the outlet water temperature must not exceed 45℃. The required water pressure is about 2.5 to 3.5kg/cm2.
What is the recommended installation method and space requirement?
The capacitors must be installed vertically and non-suspended. The minimum space required among capacitors or other equipment is 5 cm, and the maximum tightening torque for installation is 15N·m.
What are the environmental limits for operating these capacitors?
They are designed for indoor use at an altitude of less than 1000 meters, within an ambient temperature range of -20℃ to +50℃.