Vacuum Capacitors

A vacuum variable capacitor uses a high vacuum as the dielectric instead of air or other insulating material. This allows for a highervoltage rating or capacitance value using a smaller total volume. In addition to the higher voltage rating a vacuum dielectric greatly reduces the chance of arcing between the plates. There are several different designs in vacuum variables. The most common form is inter-meshed concentric cylinders. The meshed cylinders are contained within a glass or ceramic vacuum envelope, similar to anelectron tube. A metal bellows is used to maintain a vacuum seal while allowing positional control for the moving parts of the capacitor.

All Capacitors are available in PVC, Alminium and OIL Body Typed 200/400 volt80 - 100. 100 - 120 120 - 150 150 - 200 200 - 250 250 - 300 300 - 400 400 - 500

Al. Winding Detuning factor 5.67%Rated Voltage 440V AC 10KVAr - 100KVArRange 5KVAr to 100KVAr Different KVAr rating provide selection option as per requirement Safety Micro switch provided for temp. cut off Low risk Low risk of reactor tilting

Vacuum Capacitors

Vacuum Capacitors

pmx is pleased to introduce the Vacuum Technology Capacitor to its maxCap range of capacitors. The salient features of the same include: 1.Double insulation or class 2 : no earthing needed, provides total safety for personnel 2.Totally riskfree : no danger of leakage or fire. 3.Self-extinguishing polyurethane resin casing : highly robust, compact, non-corrosive, outdoor installation possible on request. 4.Highest voltage withstand capability of 1.18 times the nominal voltage 5.1.5 Times Rated current for standard Type and 2 Times Rated current for H type 6.Coils coated under vacuum : the absence of air and humidity around the coils guarantees maxCap s high quality. 7.Internal electrical protection for each coil using : Self-healing metallized polypropylene film electrical fuse over pressure disconnecting device 8. These capacitors are decorated with all international certifications such as : French Standard : NF C54 108 and 109 European Standard: EN 60831 -1 and 2 International Standard: IEC 60831-1 and 2

The increasing demand of electrical power and awareness of the necessity of energy is very up to date these days. Also the awareness of quality is increasing, and power factor correction (PFC) and harmonic filtering will be implemented on a growing scale. Enhancing power quality- improvement of power factor- saves cost and ensures a fast return on investment. Every electric load that works with magnetic fields (motors, chokes, transformers, inductive heating, arc welding generators which is called inductance. This lag of inductive loads maintains the current sense (e.g. positive) for a time even through the negative going voltage tries to reverse it. This phase shift between current and voltage is maintained, current and voltage having opposites sign. During this time, negative power or energy is produced and fed back into the network. When current and voltage have the same sign again, the same amount of energy is again needed to build up the magnetic fields in inductive loads. This magnetic reversal energy is called reactive power. CAPACITORS APPLICATION Capacitors application requires an evaluation of the power system to determine. The KVAR needs The most effective location. The necessary protection

Vacuum Capacitors

Vacuum Variable Capacitor

Vacuum Capacitors

Vacuum Capacitors

Vacuum Capacitors

Vacuum Variable Capacitor

Vacuum Capacitors

Vacuum Capacitors

HV Variable Vacuum Capacitors

Vacuum Capacitors

Vacuum Capacitors

Vacuum Capacitors

Vacuum Capacitors

Vacuum Capacitors

Vacuum Variable Capacitor.

Ceramic Cylinders

Ceramic Cylinder