Reactive Energy Compensation for Wind Electric Generators

We design and manufacture Thyristor Switched APFC System for Wind Electric Generator. Those give satisfactory results in controlling import and export of Reactive Energy even under very low wind conditions. If needed RS-485 port can be provided for data transmission and monitoring.

Automatic Power factor Correction for loads using H.T. Supply, upto 11 Kv.

This product is especially suitable for P.F. improvement at water pumping stations and in industries using 3.3 and 6.6 kV motors. The present practice of connecting fixed capacitor banks at the motor terminals has serious problems. In most of the cases the series fuses blow off, when ever the motor is 'inched' rendering the whole exercise futile.

Udeet supplies highly reliable thyristor switching systems for coarse P.F. correction at motor terminals and a small HT, APFC panel for fine centralized correction. We also recommend having a single HT, APFC panel at a centralized location to save on the cost. However this solution is recommended only if sufficient space for panel installation is available.

Thyristor Switching of capacitors for power factor improvement has many advantages over conventional contactor switching. Thyristor Switching is more reliable, accurate, maintenance free and especially suitable for fast variable loads, where contactor switching systems fail to give desired results. The capacitors are switched at "ZERO CURRENT CROSS OVER THRESHOLD". Comparison between Fast response Thyristor Switched and Contactor Switched Capacitor A.P.F Correction Systems

Thyristor switched fast response P.F. correction systems	Conventional contactor switching P.F. correction systems
Load P.F. correction is quick and consistently near to the set value. Total P.F. correction is achieved within few hundred milliseconds.	P.F. correction is slow. Total correction takes few minutes.
Fast P.F. correction reduces maximum demand more effectively, hence more savings on account of reduction in MD charges.	Slow response P.F. correction is not as effective in reducing maximum demand, especially when the load variations are fast.
Capacitors are switched through thyristors at "zero current crossover threshold". Hence the capacitor connection to the mains is always smooth, transient free and absolutely without generation of harmonics and voltage spikes.

The present day automobile industries using large number of spot and arc welders, face serious problems in maintaining desired power factor in their fabrication shops. This is mainly due to single phase and highly unbalanced nature of load. It is every body's experience that at such places conventional contactor switching APFC systems do not work, but at the contrary deteriorate the situation further.

Similarly, if the spot and arc welders are run on diesel generating sets, the utilization of the generating set is very poor, resulting in colossal waste of fuel. For such applications 'FAST RESPONSE THYRISTOR SWITCHED APFC SYSTEMS' are only the right solution.
 

We offer best grade power factor corrections systems with varied applications like :

• Normal industries, using conventional contactor switching systems
• Industries having fast variable loads like CNC machines, cranes, hoists, grinding machines etc.
• Fabrication shops using spot and arc welders
• Railway Traction Sub-Stations feeding single phase 25 kV supply to highly variable and 3rd harmonic generating locomotive loads consuming very high amount of power
• Steel and forging industries using induction furnaces, DC and variable speed AC motors with highly variable loading pattern, combined with generation of harmonics. Systems are designed upto 750V operating voltage.
• Rubber industries
• Power factor improvement of diesel generating sets, where the P.F. cannot be maintained to the name plate rating resulting in under utilization of the set
• Power factor improvement of loads like computers, large servers, PLCs, UPS units etc. as used in call centers and industries
• Electric supply companies for improving P.F. of their distribution transformers.

Harmonics are causing havoc in present day scenario, due to use of more and more non linear loads. We are manufacturing harmonic filters to suit to different applications. We have sophisticated power analyzing instruments to collect necessary data for proper designs and to check post installation performance.

The designs are simple, easy to monitor and maintain. All the spares are available in the Indian Market. No SOFT WARES are used to make systems complicated.

Most of the panel builders have their own facilities of fabrication, painting, assembly etc. We supply ready made TSC modules, complete with thyristors, thyristor firing cards, protection circuits, heat sinks, cooling fans etc. Those are available in different ratings from 50 kVAr to 150 kVAr. Larger rated APFC panels can be manufactured by using two or more module of suitable rating to suffice the requirement. Any technical input, if required, is provided without any charge from Dombivli (Mumbai) works.

We also manufacture standard PCC and MCC panels for use in general industries. With best usage and productivity, these offer high controlability and also available at market leading prices.

We offer a range of control panels that are equipped with various sophisticated equipment fabricated and assembled as per the latest technology. Utilization of only high quality components ensure a safe and reliable control panel, which deliver remarkable performance in various industries. The available range of our control panels has robust structure and endurance to thermal and mechanical stress for efficient working. We also offer customized panels as per the detailed applications given by the clients in order to meet their requirements.

We also Undertake jobs of carrying out power and harmonic analysis studies. Reports are prepared and submitted along with our observations and suggestions, if any, for improving performance. We also design and supply suitable equipments to solve the problems. Such studies are important in generating reports for monitoring the health of electrical network & most important possibilities of saving power.